:root{--bg: #0e0b0f;--text: #f2d5d3;--text-muted: rgba(242, 213, 211, .6);--text-secondary: rgba(242, 213, 211, .8);--tint: #f2d5d3;--glass-light: rgba(242, 213, 211, .15);--glass-medium: rgba(242, 213, 211, .2);--glass-strong: rgba(242, 213, 211, .6);--border-light: rgba(242, 213, 211, .2);--border-medium: rgba(242, 213, 211, .3);--shadow: rgba(14, 11, 15, .4);--max-width: 900px;--learning-activity-bg: #3a2820;--learning-activity-bg-deep: #2e2019;--learning-activity-border: rgba(242, 213, 211, .32);--learning-activity-input-bg: rgba(14, 11, 15, .45)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}body{-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:16px}.app-background{min-height:100vh;background-image:url(/images/002.png);background-size:cover;background-position:center;background-attachment:fixed}.page-container{min-height:100vh;padding:28px 20px 120px;max-width:var(--max-width);margin:0 auto}.page-container.with-tabs{padding-bottom:100px}.app-brand{display:flex;align-items:center;justify-content:center;margin-bottom:20px}.app-brand-auth{margin-bottom:28px;padding-top:12px}.brand-logo-link{display:inline-flex;align-items:center;line-height:0;background:transparent}.brand-logo{display:block;width:auto;height:auto;object-fit:contain;object-position:center;border-radius:0;background:transparent}.brand-logo-sm{height:36px;max-width:min(200px,55vw)}.brand-logo-md{height:48px;max-width:min(240px,70vw)}.brand-logo-lg{height:72px;max-width:min(280px,82vw)}.auth-intro{text-align:center}.auth-copyright{margin:8px 0 24px;text-align:center;font-size:12px;letter-spacing:.02em;color:var(--text-muted)}.tab-bar{position:fixed;bottom:0;left:0;right:0;z-index:900;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));background:#0e0b0fd1;border-top:1px solid var(--border-light);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.tab-bar-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px 4px;border-radius:12px;color:var(--text-muted);font-size:11px;font-weight:600;letter-spacing:.02em;transition:color .15s ease,background .15s ease}.tab-bar-item.active{color:var(--text);background:var(--glass-light)}.tab-bar-icon{font-size:14px;line-height:1;opacity:.9}.tab-bar-label{line-height:1}.quick-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px}.quick-links .btn-primary,.quick-links .btn-secondary{width:auto;margin-top:0}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:12px}.page-header h1,.section-hero h1{font-size:28px;font-weight:700;text-shadow:1px 1px 2px var(--shadow)}.page-header .subtitle,.section-hero .subtitle{font-size:16px;opacity:.7;margin-top:4px}.section-hero-actions .back-link{width:auto;margin-top:0}.back-link{font-size:14px;font-weight:600;color:var(--text);padding:10px 14px;border-radius:10px;border:1px solid var(--border-light);background:#ffffff0f;cursor:pointer;opacity:.9}.back-link:hover{opacity:1;background:#ffffff1a}.glass-light{background:var(--glass-light);border:1px solid var(--border-light);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:16px;box-shadow:0 8px 16px var(--shadow)}.glass-medium{background:var(--glass-medium);border:1px solid var(--border-medium);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:16px;box-shadow:0 8px 16px var(--shadow)}.glass-strong{background:var(--glass-strong);border:1px solid var(--border-medium);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:16px}.section{margin-bottom:24px;padding:20px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.section-title{font-size:18px;font-weight:700}.section-description{font-size:14px;opacity:.8;line-height:1.5;margin-bottom:12px}.games-launcher{display:flex;align-items:center;justify-content:space-between;gap:16px}.games-launcher .section-description{margin-bottom:0}.games-launcher .btn-secondary{flex-shrink:0;width:auto;margin-top:0}.games-list{display:flex;flex-direction:column;gap:12px}.game-card{display:flex;align-items:center;gap:16px;padding:18px}.game-card-icon{display:flex;flex:0 0 48px;align-items:center;justify-content:center;width:48px;height:48px;border:1px solid var(--border-light);border-radius:12px;background:#ffffff14;font-size:24px}.game-card-content{flex:1;min-width:0}.game-card-content .section-description{margin:5px 0 0}.game-card .btn-secondary{flex-shrink:0;width:auto;margin-top:0}.learning-link{display:inline-flex;align-items:center;justify-content:center}.learning-subject-nav{position:sticky;top:0;z-index:50;margin:0 -4px 16px;padding:8px 4px 10px;background:linear-gradient(180deg,rgba(14,11,15,.96) 0%,rgba(14,11,15,.88) 70%,transparent 100%);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.learning-subject-nav-scroll{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}.learning-subject-pill{flex:0 0 auto;padding:8px 14px;border:1px solid var(--border-light);border-radius:999px;color:var(--text-secondary);background:#ffffff0d;font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap;transition:border-color .15s,color .15s,background .15s}.learning-subject-pill:hover{color:var(--text);border-color:var(--border-medium)}.learning-subject-pill.is-active{color:var(--text);border-color:#f2d5d38c;background:#f2d5d31f}.learning-subject-pill.is-muted:not(.is-active){opacity:.72}.learning-hero{margin-bottom:8px}.learning-hero-compact .subtitle{margin-bottom:0}.learning-intro{margin:0 0 18px;font-size:14px;line-height:1.55;color:var(--text-secondary)}.learning-subject-grid{display:grid;grid-template-columns:1fr;gap:12px}@media(min-width:560px){.learning-subject-grid{grid-template-columns:repeat(2,1fr)}}.learning-subject-card{display:block;width:100%;padding:0;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}.learning-subject-card-inner{display:flex;gap:14px;align-items:flex-start;padding:16px;height:100%}.learning-subject-card-icon{flex:0 0 44px;display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--border-light);border-radius:12px;background:#ffffff14;font-size:18px;font-weight:800}.learning-subject-card-body{flex:1;min-width:0}.learning-subject-card-body .section-description{margin:6px 0 10px}.learning-badge{display:inline-block;padding:3px 8px;border-radius:6px;font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.learning-badge-live{color:#b8e0c8;background:#10b98129;border:1px solid rgba(184,224,200,.35)}.learning-badge-soon{color:var(--text-muted);background:#ffffff0f;border:1px solid var(--border-light)}.learning-placeholder{padding:22px;display:flex;flex-direction:column;align-items:flex-start;gap:10px}.learning-placeholder .btn-secondary{width:auto;margin-top:4px}.learning-topic-sections{display:flex;flex-direction:column;gap:22px;padding-bottom:12px}.learning-topic-section-title{margin:0 0 8px;font-size:15px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;color:var(--text-muted)}.learning-topic-list{margin:0;padding:0;list-style:none;border:1px solid var(--border-light);border-radius:12px;overflow:hidden}.learning-topic-row{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:14px 16px;border:0;border-bottom:1px solid var(--border-light);color:var(--text);background:#ffffff0a;font-size:14px;font-weight:600;text-align:left;cursor:pointer}.learning-topic-list li:last-child .learning-topic-row{border-bottom:0}.learning-topic-row:hover{background:#ffffff14}.learning-topic-row.is-ready .learning-topic-row-title{color:var(--text)}.learning-topic-row-meta{flex-shrink:0;font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#b8e0c8}.learning-topic-row-meta.is-soon{color:var(--text-muted)}.learning-topic-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.learning-topic-toolbar .btn-secondary{width:auto;margin:0;flex-shrink:0}.learning-topic-toolbar-section{font-size:12px;font-weight:700;color:var(--text-muted);text-align:right}.learning-topic-footer-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:24px;padding-top:16px;border-top:1px solid var(--border-light)}.learning-topic-footer-nav .btn-secondary{width:auto;margin:0;flex-shrink:0}.learning-article-panel{padding:20px 18px 24px}.learning-article-header h1{margin:0;font-size:clamp(22px,5vw,28px);font-weight:800;line-height:1.2}.learning-article-subtitle{margin:8px 0 0;font-size:15px;line-height:1.5;color:var(--text-secondary)}.learning-article-body{margin-top:20px}.learning-article-h2{margin:22px 0 10px;font-size:18px;font-weight:800}.learning-article-h3{margin:18px 0 8px;font-size:16px;font-weight:700}.learning-article-p{margin:0 0 12px;font-size:15px;line-height:1.6;color:var(--text)}.learning-article-list li{margin-bottom:.35em}.learning-article-list.is-ordered li::marker{font-weight:700;color:#2563eb}.learning-article-callout-body{margin-top:6px}.learning-article-callout-body .learning-article-p:last-child,.learning-article-callout-body .learning-article-list:last-child{margin-bottom:0}.learning-article-list{margin:0 0 14px 1.1em;padding:0;font-size:14px;line-height:1.55}.learning-article-list.is-ordered{list-style:decimal}.learning-article-formula{margin:14px 0;padding:14px 16px;border-radius:10px;border:1px solid rgba(242,213,211,.35);background:#f2d5d314;font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;text-align:center}.learning-article-example{margin:16px 0;padding:14px 16px;border-radius:10px;border:1px solid var(--border-light);background:#ffffff0d}.learning-article-example-title{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}.learning-article-example-line{margin:0 0 6px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;line-height:1.45}.learning-article-table-wrap{margin:14px 0;overflow-x:auto;border-radius:10px;border:1px solid var(--border-light)}.learning-article-table{width:100%;border-collapse:collapse;font-size:13px}.learning-article-table th,.learning-article-table td{padding:10px 12px;border-bottom:1px solid var(--border-light);text-align:left}.learning-article-table th{font-size:11px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;color:var(--text-muted);background:#ffffff0f}.learning-article-table tr:last-child td{border-bottom:0}.learning-article-callout{margin:16px 0;padding:12px 14px;border-radius:10px;font-size:14px;line-height:1.55}.learning-article-callout p{margin:0}.learning-article-callout.is-tip{border:1px solid rgba(184,224,200,.4);background:#10b9811a}.learning-article-callout.is-note{border:1px solid var(--border-light);background:#ffffff0d}.learning-article-callout-title{font-size:12px;font-weight:800;margin-bottom:6px;text-transform:uppercase;letter-spacing:.03em}.learning-article-summary{margin-top:24px;padding:16px;border-radius:12px;border:1px solid rgba(184,224,200,.35);background:#10b98114}.learning-article-summary-title{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#b8e0c8;margin-bottom:10px}.learning-article-figure{margin:16px auto;text-align:center;max-width:100%}.learning-article-img{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--border-subtle, rgba(0, 0, 0, .08));background:#fff}.learning-worksheet-section{margin:18px 0;padding:14px 12px 16px;border-radius:12px;background:var(--learning-activity-bg);border:2px solid var(--learning-activity-border);box-shadow:0 8px 24px var(--shadow);color:var(--text)}.learning-worksheet-heading{margin:0 0 10px;font-size:1.05rem;color:var(--text)}.learning-worksheet-lead{margin:0 0 12px;font-size:.92rem;color:var(--text-secondary)}.learning-worksheet-field{display:flex;flex-direction:column;gap:6px;margin-bottom:10px;font-size:.85rem;font-weight:600;color:var(--text-muted)}.learning-worksheet-input{font-size:1rem;padding:8px 10px;border-radius:8px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);max-width:280px}.learning-worksheet-input-cell{max-width:none;width:100%}.learning-worksheet-textarea{width:100%;max-width:480px;padding:8px 10px;border-radius:8px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font:inherit}.learning-worksheet-section .learning-article-table-wrap{border-color:var(--learning-activity-border)}.learning-worksheet-section .learning-article-table th{background:var(--learning-activity-bg-deep)}.learning-worksheet-table .learning-worksheet-total-cell{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}.learning-worksheet-grand-label{text-align:right}.learning-worksheet-grand{font-size:1.05rem}.learning-quiz{margin-top:28px;padding-top:20px;border-top:2px dashed var(--learning-activity-border)}.learning-quiz-heading{font-size:1.2rem;margin:0 0 12px;color:var(--text)}.learning-quiz-panel{padding:16px;border-radius:14px;background:var(--learning-activity-bg);border:2px solid var(--learning-activity-border);box-shadow:0 8px 24px var(--shadow);color:var(--text)}.learning-quiz-intro{margin:0 0 14px;color:var(--text-secondary)}.learning-quiz-progress{font-size:.85rem;font-weight:600;color:var(--text-muted);margin-bottom:10px}.learning-quiz-prompt{font-weight:600;margin:0 0 12px;color:var(--text)}.learning-quiz-options{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:8px}.learning-quiz-option{display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;padding:10px 12px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:.95rem;cursor:pointer;transition:border-color .15s ease,background .15s ease;box-sizing:border-box}.learning-quiz-option:hover{background:#f2d5d31a}.learning-quiz-option.is-selected{border-color:var(--glass-strong);background:#f2d5d32e}.learning-quiz-option-input{flex-shrink:0;margin:3px 0 0;width:1.05rem;height:1.05rem;accent-color:var(--glass-strong);cursor:pointer}.learning-quiz-option-text{flex:1;line-height:1.4}.learning-quiz-feedback{margin:0 0 10px;font-weight:700}.learning-quiz-feedback.is-correct{color:#2f9e44}.learning-quiz-feedback.is-wrong{color:#c92a2a}.learning-quiz-feedback-detail,.learning-quiz-feedback-explanation{margin:0 0 10px;color:var(--text-secondary)}.learning-quiz-input-wrap{margin:0 0 16px}.learning-quiz-input{width:100%;padding:10px 12px;border:2px solid var(--learning-activity-border);border-radius:10px;background:var(--learning-activity-input-bg);color:var(--text);font-size:.95rem;box-sizing:border-box}.learning-quiz-score{margin:0 0 14px;font-size:1.05rem;color:var(--text)}.learning-drag-drop-hint{margin:0 0 14px;color:var(--text-secondary);font-size:.95rem}.learning-drag-drop-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-bottom:16px}.learning-drag-drop-slot{width:86px;height:58px;border:2px dashed #3b82f6;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#3b82f61f;color:#93c5fd;font-size:1.75rem;font-weight:700;cursor:pointer;padding:0}.learning-drag-drop-op{font-size:1.75rem;font-weight:700;color:var(--text)}.learning-drag-drop-result{min-width:110px;padding:12px 16px;background:#3b82f62e;border:2px solid rgba(147,197,253,.45);border-radius:12px;font-size:1.75rem;font-weight:700;text-align:center;color:var(--text)}.learning-drag-drop-tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:14px}.learning-drag-drop-tile{width:54px;height:54px;border:1px solid var(--learning-activity-border);border-radius:10px;background:var(--learning-activity-input-bg);color:var(--text);font-size:1.35rem;font-weight:700;cursor:grab;box-shadow:0 2px 6px var(--shadow)}.learning-drag-drop-tile:active{cursor:grabbing}.learning-skip-marbles-intro{margin:0 0 12px;color:var(--text-secondary);font-size:.95rem}.learning-skip-marbles-track{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 4px;margin-bottom:14px}.learning-skip-marbles-cell-wrap{display:flex;flex-direction:column;align-items:center;gap:4px;width:42px}.learning-skip-marbles-cell{width:40px;height:40px;border:2px dashed var(--learning-activity-border);border-radius:50%;background:var(--learning-activity-input-bg);padding:0;display:flex;align-items:center;justify-content:center;cursor:pointer}.learning-skip-marbles-cell.is-target{border-color:#3b82f68c}.learning-skip-marbles-cell.has-marble{border-style:solid;border-color:#3b82f6;background:#3b82f626}.learning-skip-marbles-label{font-size:.8rem;font-weight:600;color:var(--text-muted)}.learning-skip-marbles-marble{width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fca5a5,#dc2626 55%,#991b1b);box-shadow:inset -2px -3px 6px #00000040,0 2px 4px var(--shadow)}.learning-skip-marbles-pool{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}.learning-skip-marbles-marble-draggable{cursor:grab}.learning-skip-marbles-marble-draggable:active{cursor:grabbing}.learning-skip-marbles-pool-hint{font-size:.85rem;color:var(--text-muted)}.learning-skip-marbles-sequence,.learning-skip-marbles-msg,.learning-skip-marbles-done{margin:0 0 10px;font-size:.95rem;color:var(--text-secondary)}.learning-skip-marbles-done{color:#2f9e44;font-weight:600}.learning-times-table-picks{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}.learning-interactive .learning-times-table-picks,.learning-interactive .learning-activity-section-tabs{position:relative;z-index:1001;padding-right:4.75rem;box-sizing:border-box}.learning-times-table-pick{min-width:52px;padding:8px 12px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-weight:600;cursor:pointer}.learning-times-table-pick:hover{border-color:var(--glass-strong)}.learning-times-table-pick.is-on{border-color:var(--glass-strong);background:#f2d5d333}.learning-interactive .learning-times-table-pick:active{background:#f2d5d347}.learning-math-trainer-setup .learning-math-trainer-label{margin:12px 0 6px;font-weight:600;font-size:.9rem;color:var(--text-secondary)}.learning-math-trainer-cutoff-picks{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}.learning-math-trainer-weak-hint{margin:0 0 14px;font-size:.88rem;color:var(--text-muted)}.learning-math-trainer-hud{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin:0 0 12px;font-size:.95rem;color:var(--text-secondary)}.learning-math-trainer-cutoff-bar{height:8px;border-radius:6px;background:var(--learning-activity-border);margin:0 0 16px;overflow:hidden}.learning-math-trainer-cutoff-fill{height:100%;background:linear-gradient(90deg,#e03131,#f59f00);transition:width 1s linear}.learning-math-trainer-problem{margin:0 0 12px;font-size:1.75rem;font-weight:700;text-align:center;color:var(--text)}.learning-math-trainer-answer-field{display:block;max-width:200px;margin:0 auto 14px}.learning-math-trainer-answer-input{width:100%;text-align:center;font-size:1.25rem;font-weight:600}.learning-math-trainer-keypad{display:grid;grid-template-columns:repeat(3,minmax(56px,1fr));gap:8px;max-width:220px;margin:0 auto 14px}.learning-math-trainer-key{padding:12px 8px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:1.1rem;font-weight:600;cursor:pointer}.learning-math-trainer-key-go{grid-column:span 2}.learning-mtables-scroll-control{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin:0 0 8px}.learning-mtables-scroll-input{width:5rem}.learning-mtables-scroll-meta{margin:0 0 12px;font-size:.88rem;color:var(--text-muted)}.learning-mtables-scroll-panel{max-height:min(60vh,28rem);overflow:auto;padding:12px 14px;border-radius:12px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);-webkit-overflow-scrolling:touch}.learning-mtables-scroll-section{margin:0 0 16px}.learning-mtables-scroll-section:last-child{margin-bottom:0}.learning-mtables-scroll-heading{margin:0 0 6px;font-size:1rem;font-weight:700;color:var(--text)}.learning-mtables-scroll-lines{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(7.5rem,1fr));gap:4px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.9rem;color:var(--text-secondary)}.learning-mtables-scroll-lines li{margin:0}.learning-mult-tips-tricks{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px;max-height:9rem;overflow:auto;padding-bottom:4px}.learning-activity-section-tabs{max-height:none;margin-bottom:16px}.learning-mult-tips-summary{margin:0 0 12px;font-size:.92rem;color:var(--text-secondary)}.learning-mult-tips-workout{margin-top:8px;padding:14px 16px;border-radius:12px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg)}.learning-mult-tips-steps{margin:0 0 12px;padding-left:1.25rem;color:var(--text-secondary);font-size:.95rem}.learning-mult-tips-steps li{margin-bottom:6px}.learning-mult-tips-steps li.is-answer{color:var(--text);font-weight:600}.learning-mult-tips-answer{margin:0;font-size:1.05rem;color:var(--text)}.learning-calculator-fun-decimal{margin:0 0 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.9rem;word-break:break-all;color:var(--text)}.learning-calculator-fun-row{display:flex;flex-wrap:wrap;gap:12px 20px;margin-bottom:8px}.learning-calculator-fun-illus{display:block;max-width:200px;margin:0 0 12px;border-radius:8px}.learning-interactive .learning-calculator-fun-illus{max-width:300px;height:auto}.learning-calculator-fun-illus.learning-illus-light-bg{background:#fff;padding:14px 18px;border-radius:8px;border:1px solid rgba(0,0,0,.08);max-width:min(100%,42rem);width:auto;height:auto}.learning-interactive .learning-calculator-fun-illus.learning-illus-light-bg.learning-illus-chart-lg{max-width:min(100%,52rem);padding:18px 22px;margin:8px 0 16px}.learning-drawing-palette{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.learning-drawing-swatch{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0}.learning-drawing-swatch.is-active{border-color:var(--text);box-shadow:0 0 0 2px var(--learning-activity-input-bg)}.learning-drawing-canvas{display:block;max-width:100%;height:auto;margin-top:8px;border-radius:8px;border:1px solid rgba(0,0,0,.12)}.learning-calc-table .learning-calc-input{width:min(100%,9rem);font-size:.95rem}.learning-calculator-fun-select{min-width:min(100%,20rem);max-width:100%}.learning-calc-precision-expr{width:min(100%,24rem);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.learning-calc-precision-integer{font-size:1rem;line-height:1.45}.learning-calc-precision-raw{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.82rem;word-break:break-all;opacity:.85}.learning-fibonacci-sequence{line-height:1.5}.learning-gems-compare-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr))}.learning-gems-compare-col{padding:12px 14px;border-radius:12px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg)}.learning-gems-compare-col.is-correct{border-color:color-mix(in srgb,var(--text) 12%,transparent)}.learning-gems-compare-col.is-wrong{opacity:.92}.learning-gems-compare-heading{margin:0 0 8px;font-size:.95rem;font-weight:600}.learning-gems-walk-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.learning-oo-letters-table td:first-child{white-space:nowrap;width:3rem}.learning-oo-mnemonic-block{margin:0 0 20px;padding-bottom:16px;border-bottom:1px solid var(--learning-activity-border)}.learning-oo-mnemonic-block:last-child{border-bottom:none;margin-bottom:0}.learning-oo-mnemonic-region{font-weight:400;color:var(--text-secondary);font-size:.9em}.learning-mult-tips-steps .is-answer{color:var(--text);font-weight:600}.learning-speed-math-die{display:inline-flex;align-items:center;justify-content:center;width:3rem;height:3rem;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);font-weight:700;font-size:1.35rem;color:var(--text)}.learning-speed-math-equation{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin:0 0 16px}.learning-speed-math-equation--stack{flex-direction:column}.learning-speed-math-op{font-size:1.5rem;font-weight:700;color:var(--text-secondary)}.learning-speed-math-choices{display:grid;grid-template-columns:repeat(4,minmax(52px,1fr));gap:8px;max-width:280px;margin:0 auto}.learning-speed-math-choices .learning-times-table-pick{min-width:0;width:100%;padding:10px 6px}.learning-speed-math .btn-primary.learning-speed-math-start{width:auto;min-width:10rem;margin-top:12px;padding:10px 22px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg)}.learning-speed-math .btn-primary.learning-speed-math-start:hover:not(:disabled){border-color:var(--glass-strong);background:#f2d5d333;opacity:1}.learning-make-number-target{margin:0 0 10px;font-size:1.35rem;text-align:center}.learning-make-number-calc{max-width:17.5rem;margin:0 auto 12px}.learning-make-number-expr{width:100%;display:block;margin:0 0 10px;box-sizing:border-box;padding:10px 12px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:1.1rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;resize:vertical}.learning-math-trainer-keypad.learning-make-number-keypad{grid-template-columns:repeat(4,minmax(3rem,1fr));max-width:none;margin:0}.learning-make-number-keypad .learning-make-number-key-op{background:color-mix(in srgb,var(--learning-activity-border) 35%,var(--learning-activity-input-bg))}.learning-make-number-keypad .learning-make-number-key-wide{grid-column:span 2}.learning-make-number-keypad .learning-make-number-key-clear{font-weight:700}.learning-make-number-mode{display:block;margin:12px 0 0;font-size:.88rem;color:var(--text-muted)}.learning-division-remainder-controls{display:flex;flex-wrap:wrap;gap:12px 20px;margin:0 0 12px}.learning-division-remainder-eq{margin:0 0 8px;font-size:1.35rem;text-align:center;color:var(--text)}.learning-division-remainder-visual{margin-top:16px;padding:12px;border-radius:12px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);overflow-x:auto}.learning-division-remainder-groups{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.learning-division-remainder-group,.learning-division-remainder-leftover{min-width:72px;padding:8px;border-radius:10px;border:2px dashed var(--learning-activity-border)}.learning-division-remainder-leftover{margin-top:12px;border-style:solid;border-color:var(--glass-strong)}.learning-division-remainder-group-label{display:block;margin-bottom:6px;font-size:.75rem;font-weight:600;color:var(--text-muted);text-align:center}.learning-division-remainder-marbles{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;min-height:1.25rem}.learning-division-remainder-marble{width:14px;height:14px;border-radius:50%;box-shadow:inset 0 -2px #00000026}.learning-fix-equation-summary{margin:0 0 12px;padding-left:1.25rem;font-size:1.05rem;color:var(--text)}.learning-fix-equation-summary li{margin-bottom:6px}.learning-fix-equation-history-wrap{margin:16px 0;text-align:left}.learning-fix-equation-history{max-height:16rem;overflow:auto;margin-top:8px}.learning-fix-equation-history .learning-article-table{font-size:.88rem}.learning-fix-equation-history tr.is-ok td{background:color-mix(in srgb,#2f9e44 12%,transparent)}.learning-fix-equation-history tr.is-miss td{background:color-mix(in srgb,#e03131 10%,transparent)}.learning-fix-equation-solved{color:var(--text-secondary);font-size:.85em}.learning-order-decimals-table th,.learning-order-decimals-table td{text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.9rem}.learning-order-decimals-table td:first-child{text-align:left;font-family:inherit}.learning-order-decimals-pools{margin:8px 0 12px}.learning-order-decimals-pool{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.learning-order-decimals-pool .learning-math-trainer-key{min-width:3.5rem}.learning-order-practice-filters{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}.learning-order-practice-filters .learning-mult-tips-tricks{flex-wrap:wrap}.learning-percent-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:2px;width:min(100%,220px);aspect-ratio:1;margin:12px auto;padding:4px;border-radius:8px;background:var(--glass-subtle, rgba(255, 255, 255, .06))}.learning-percent-grid-cell{border-radius:2px;background:var(--glass-subtle, rgba(255, 255, 255, .08))}.learning-percent-grid-cell.is-on{background:color-mix(in srgb,var(--glass-strong, #6ee7b7) 75%,transparent)}.learning-percent-frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;margin:0 .2em;font-size:.9em;line-height:1.1}.learning-percent-frac-bar{width:100%;min-width:1.5em;border-top:1px solid currentColor}.learning-percent-step-card{margin:14px 0;padding:12px 14px;border-radius:10px;background:var(--glass-subtle, rgba(255, 255, 255, .05));border:1px solid var(--glass-border, rgba(255, 255, 255, .1))}.learning-percent-step-title{margin:0 0 8px;font-weight:600}.learning-percent-steps{margin:0 0 10px;padding-left:1.25rem}.learning-percent-bullet-list{margin:8px 0 0;padding-left:1.25rem}.learning-percent-slider-label{display:block;margin:8px 0}.learning-percent-slider{display:block;width:min(100%,280px);margin-top:6px}.learning-percent-controls{display:flex;flex-wrap:wrap;gap:16px 24px;margin-bottom:8px}.learning-percent-controls label{display:flex;flex-direction:column;gap:4px;font-size:.9rem}.learning-percent-number-input{width:5.5rem;padding:4px 8px;border-radius:6px;border:1px solid var(--glass-border, rgba(255, 255, 255, .15));background:var(--glass-subtle, rgba(0, 0, 0, .2));color:inherit;font:inherit}.learning-estimate-compare{display:grid;gap:12px;margin:12px 0}@media(min-width:520px){.learning-estimate-compare{grid-template-columns:1fr 1fr}}.learning-estimate-symbol{display:inline-block;min-width:1.5em;font-size:1.25em;font-weight:700}.learning-order-decimals-pool .learning-math-trainer-key.is-correct{outline:2px solid color-mix(in srgb,#6ee7b7 80%,transparent)}.learning-order-decimals-pool .learning-math-trainer-key.is-wrong{outline:2px solid color-mix(in srgb,#f87171 80%,transparent)}.learning-estimate-tip-picks{margin-top:10px;max-height:9rem;overflow-y:auto}.learning-estimate-dot-field{position:relative;width:min(100%,320px);aspect-ratio:5 / 3;margin:12px auto;border-radius:10px;background:var(--glass-subtle, rgba(255, 255, 255, .06));border:1px solid var(--glass-border, rgba(255, 255, 255, .12))}.learning-estimate-dot{position:absolute;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:color-mix(in srgb,#60a5fa 85%,white)}.learning-estimate-dot-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;margin:10px 0}.learning-estimate-static-demo{margin-top:14px;font-size:.9rem}.learning-estimate-area-stage{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;justify-content:center;margin:12px 0}.learning-estimate-area-unit{width:28px;height:28px;border:2px solid color-mix(in srgb,#6ee7b7 80%,white);background:color-mix(in srgb,#6ee7b7 35%,transparent);border-radius:4px}.learning-estimate-area-rect{border:2px solid color-mix(in srgb,#60a5fa 80%,white);background:color-mix(in srgb,#60a5fa 30%,transparent);border-radius:4px;min-width:56px;min-height:42px}.learning-ratio-grid{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;max-width:320px;margin:12px auto;padding:10px;border-radius:10px;background:var(--glass-subtle, rgba(255, 255, 255, .05))}.learning-ratio-cell{width:28px;height:28px;border-radius:4px;border:1px solid rgba(255,255,255,.15)}.learning-ratio-cell-a{background:color-mix(in srgb,#60a5fa 75%,transparent)}.learning-ratio-cell-b{background:color-mix(in srgb,#fbbf24 80%,transparent)}.learning-zero-dogs{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin:12px 0}.learning-zero-dogs figure{margin:0;text-align:center;font-size:.9rem}.learning-evolution-line{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:10px 0}.learning-evolution-line .learning-times-table-pick{min-width:2.5rem;padding:6px 8px}.learning-make-number-linkish{background:none;border:none;padding:0;color:var(--glass-strong);text-decoration:underline;cursor:pointer;font:inherit}.learning-times-questions{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:10px}.learning-times-question{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.learning-times-question-label{font-weight:600;min-width:6rem}.learning-times-select{flex:1;min-width:120px;max-width:200px;padding:8px 10px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:.95rem}.learning-times-score{margin:0 0 12px;font-size:1.1rem;color:var(--text)}.learning-times-review{margin:0 0 16px;padding:12px 14px;border-radius:12px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg)}.learning-times-review-heading{margin:0 0 10px;font-weight:700;color:var(--text)}.learning-times-review-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.learning-times-review-item{display:flex;flex-direction:column;gap:4px;font-size:.95rem;color:var(--text-secondary)}.learning-times-review-problem{font-weight:600;color:var(--text)}.learning-times-review-wrong strong{color:#c92a2a}.learning-times-review-correct strong{color:#2f9e44}.learning-times-perfect{margin:0 0 14px;font-weight:600;color:#2f9e44}.learning-addition-table-result{margin:0 0 12px;font-size:1.05rem;color:var(--text)}.learning-addition-table-result--muted{color:var(--text-muted);font-weight:400}.learning-addition-table-wrap{margin-bottom:14px;overflow-x:auto}.learning-addition-table-grid th,.learning-addition-table-grid td{text-align:center;min-width:2.25rem;padding:6px 4px}.learning-addition-table-corner{font-weight:700}.learning-addition-table-pick{border:none;background:transparent;color:inherit;font:inherit;font-weight:700;cursor:pointer;padding:2px 6px;border-radius:6px}.learning-addition-table-pick:hover{background:#f2d5d326}.learning-addition-table-grid .is-selected-row,.learning-addition-table-grid .is-selected-col{background:#3b82f61f}.learning-addition-table-grid td.is-highlight{background:#3b82f614}.learning-addition-table-grid td.is-active{background:#3b82f647;font-weight:700}.learning-regroup-columns{display:inline-flex;flex-direction:column;align-items:center;gap:4px;margin:0 auto 14px;font-family:ui-monospace,monospace;font-size:1.75rem;font-weight:700}.learning-regroup-row{display:flex;gap:1.25rem}.learning-regroup-row-op{align-self:flex-start;padding-left:.25rem}.learning-regroup-digit{min-width:1.5rem;text-align:center}.learning-regroup-line{width:100%;border-top:2px solid var(--learning-activity-border);margin:4px 0}.learning-regroup-row-result{color:#93c5fd}.learning-regroup-step-title{margin:0 0 6px;font-weight:700;color:var(--text)}.learning-long-div-board{margin:0 auto 12px;max-width:280px;padding:14px 16px;border-radius:12px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.learning-long-div-quotient{text-align:right;padding-right:2.5rem;font-size:1.5rem;font-weight:700;color:var(--text);min-height:1.75rem}.learning-long-div-main{display:flex;align-items:center;gap:4px;font-size:1.35rem;font-weight:600;color:var(--text)}.learning-long-div-divisor{color:var(--text-secondary)}.learning-long-div-bracket{font-size:1.6rem;line-height:1}.learning-long-div-sub,.learning-long-div-rem{display:flex;justify-content:flex-end;gap:0;font-size:1.2rem;color:var(--text-secondary);border-top:2px solid var(--learning-activity-border);margin-top:4px;padding-top:4px}.learning-long-div-sub-spacer{width:3.5rem}.learning-long-div-working{margin:10px 0 0;font-size:.85rem;color:var(--text-muted);font-family:inherit}.learning-long-div-summary{margin:0 0 14px;padding:12px 14px;border-radius:12px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg)}.learning-long-div-summary-line{margin:0;font-size:1rem;line-height:1.55;color:var(--text)}.learning-long-div-summary-line:first-child{font-weight:700;font-size:1.05rem}.learning-long-div-summary-gap{height:6px}.learning-regroup-note{margin:0 0 14px;color:var(--text-secondary);font-size:.95rem}.learning-sub-quick-picks{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.learning-interactive{margin:20px 0;padding:16px 14px 18px;border-radius:14px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-bg);box-shadow:0 8px 24px var(--shadow);color:var(--text)}.learning-exponent-lesson .learning-graph-embed{margin:12px 0 4px}.learning-money-coin-tray{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.learning-money-coin-wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px}.learning-money-coin{padding:0;border:none;background:transparent;cursor:pointer;border-radius:50%}.learning-money-coin.is-selected{outline:2px solid var(--accent, #c97b6a);outline-offset:2px}.learning-money-coin-badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 4px;border-radius:9px;font-size:11px;font-weight:700;background:var(--accent, #c97b6a);color:#fff}.learning-money-coin-actions{display:flex;align-items:center;gap:6px;font-size:12px}.learning-money-coin-actions button{width:22px;height:22px;border-radius:4px;border:1px solid var(--learning-activity-border);background:var(--surface-elevated);cursor:pointer}.learning-money-ok{color:#8fbc8f;font-weight:600}.learning-money-currency-card{margin-top:12px;padding:14px 16px;border-radius:10px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-bg)}.learning-money-order-row{display:flex;flex-wrap:wrap;gap:12px;margin:12px 0}.learning-graph-embed .learning-graph-canvas{display:block;max-width:100%;border-radius:8px}.learning-interactive-title{font-weight:700;font-size:1.05rem;margin-bottom:8px;color:var(--text)}.learning-exponent-subheading{margin:14px 0 6px;font-size:.98rem;font-weight:600;color:var(--text)}.learning-polynomial-mono{margin:10px 0 14px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.95rem;line-height:1.45;white-space:pre-wrap;background:var(--surface-elevated, rgba(0, 0, 0, .04));border-radius:8px;overflow-x:auto}.learning-interactive-hint{margin:0 0 12px;font-size:.92rem;color:var(--text-secondary)}.learning-arithmetic-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 12px;justify-content:center}.learning-arithmetic-field{display:flex;flex-direction:column;gap:4px;min-width:88px}.learning-arithmetic-label{font-size:.75rem;font-weight:600;color:var(--text-muted)}.learning-arithmetic-input{font-size:1.25rem;padding:8px 10px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);width:100%;max-width:120px;text-align:center}.learning-arithmetic-op{font-size:1.5rem;font-weight:700;padding-bottom:8px;color:var(--tint)}.learning-arithmetic-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:14px}.learning-interactive-feedback{text-align:center;margin:12px 0 0;font-weight:600;color:#b8e0c8}.learning-arithmetic-table-details{margin-top:16px;font-size:.9rem;color:var(--text-secondary)}.learning-interactive .learning-article-table-wrap{border-color:var(--learning-activity-border)}.learning-thou-mil-table-wrap{overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}.learning-thou-mil-table-wrap .learning-article-table{width:max-content;min-width:100%;font-size:.82rem;table-layout:auto}.learning-thou-mil-table-wrap .learning-article-table th,.learning-thou-mil-table-wrap .learning-article-table td{padding:5px 10px;text-align:center;vertical-align:middle}.learning-thou-mil-table-wrap .learning-article-table th:nth-child(n+7),.learning-thou-mil-table-wrap .learning-article-table td:nth-child(n+7){text-align:right;font-variant-numeric:tabular-nums}.learning-discover-lengths-table-wrap{overflow-x:auto;max-width:100%}.learning-discover-lengths-table th.learning-discover-lengths-item{text-align:left;font-weight:500;min-width:11rem}.learning-discover-lengths-input{width:100%;min-width:6.5rem;max-width:10rem;padding:6px 8px;border-radius:8px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:.9rem}.learning-discover-lengths-value{display:block;width:100%;min-width:6.5rem;max-width:10rem;padding:6px 8px;border-radius:8px;border:1px solid transparent;background:var(--learning-activity-input-bg);color:var(--text);font-size:.9rem;text-align:left;cursor:pointer}.learning-discover-lengths-value:hover{border-color:var(--learning-activity-border)}.learning-discover-lengths-value--actual{font-weight:600}.learning-calendar-between-fields input[type=date]{padding:6px 8px;border-radius:8px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:.9rem}.learning-calendar-between-inclusive{display:flex;align-items:flex-start;gap:8px;margin:12px 0;font-size:.88rem;color:var(--text-secondary);cursor:pointer}.learning-calendar-between-inclusive input{margin-top:3px}.learning-calendar-between-result{margin-top:8px;padding:12px 14px;border-radius:12px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-input-bg)}.learning-calendar-between-trick{margin-top:16px;padding-top:4px}.learning-calendar-between-step-days{color:var(--text-secondary);font-size:.85em}.learning-calendar-year-controls input[type=number],.learning-calendar-year-controls select{padding:6px 8px;border-radius:8px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:.9rem}.learning-calendar-print-btn{align-self:end;padding:8px 14px;border-radius:8px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);cursor:pointer;font-size:.9rem}.learning-calendar-selected-date{margin:8px 0 12px;font-size:.95rem}.learning-calendar-year-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(11.5rem,1fr));gap:16px 20px;margin-top:12px}.learning-calendar-month-title{font-weight:600;font-size:.9rem;margin-bottom:6px;text-align:center}.learning-calendar-month-feb{font-weight:400;color:var(--text-secondary);font-size:.82rem}.learning-calendar-month-grid{width:100%;border-collapse:collapse;font-size:.72rem}.learning-calendar-month-grid th{font-weight:500;color:var(--text-secondary);padding:2px 0;text-align:center}.learning-calendar-month-grid td{padding:1px;text-align:center}.learning-calendar-month-grid td.is-empty{border:none}.learning-calendar-day{width:100%;min-width:1.4rem;aspect-ratio:1;border:none;border-radius:4px;background:transparent;color:var(--text);font-size:inherit;cursor:pointer;padding:0}.learning-calendar-day:hover{background:#c97b6a33}.learning-calendar-day.is-today{background:#c97b6a;color:#fff;font-weight:600}.learning-calendar-day.is-selected{outline:2px solid #c97b6a;outline-offset:1px}@media print{.learning-calendar-print-btn,.learning-calendar-year-controls,.learning-topic-toolbar,.learning-activity-section-tabs{display:none!important}.learning-calendar-year-grid{grid-template-columns:repeat(3,1fr)}}.learning-leap-year-catchup{margin-bottom:16px}.learning-leap-year-field input{padding:6px 8px;border-radius:8px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);font-size:.9rem;max-width:8rem}.learning-leap-year-result{margin-top:12px;padding:12px 14px;border-radius:12px;border:1px solid var(--learning-activity-border);background:var(--learning-activity-input-bg)}.learning-leap-year-reasons{margin:8px 0 0;padding-left:1.2rem;font-size:.9rem;color:var(--text-secondary)}.learning-earth-orbit-controls{align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:8px}.learning-earth-orbit-month{flex:1;min-width:12rem}.learning-earth-orbit-month-label{font-size:.85rem;color:var(--text-secondary)}.learning-earth-orbit-canvas{display:block;width:100%;max-width:520px;margin-top:8px;border-radius:12px;border:1px solid var(--learning-activity-border)}.learning-time-zones-world-hint{margin:0 0 8px;font-size:.95rem;font-weight:600;color:var(--text-primary)}.learning-time-zones-world-map-wrap{max-width:726px;margin:0 auto;border-radius:12px;overflow:hidden;border:1px solid var(--learning-activity-border);background:linear-gradient(to top,#82dcff59,#ffffffe6)}.learning-time-zones-world-canvas{display:block;width:100%;height:auto;cursor:crosshair}.learning-time-zones-world-note{margin:10px 0 0;font-size:.85rem;color:var(--text-secondary)}.learning-conversion-charts-table-wrap{width:100%;max-width:100%;overflow-x:auto}.learning-conversion-charts-table-wrap .learning-article-table{width:100%;table-layout:fixed}.learning-conversion-charts-table-wrap .learning-article-table th,.learning-conversion-charts-table-wrap .learning-article-table td{vertical-align:middle;overflow-wrap:anywhere;word-break:break-word}.learning-conversion-charts-cols-3 th:nth-child(1),.learning-conversion-charts-cols-3 td:nth-child(1){width:34%}.learning-conversion-charts-cols-3 th:nth-child(2),.learning-conversion-charts-cols-3 td:nth-child(2){width:38%}.learning-conversion-charts-cols-3 th:nth-child(3),.learning-conversion-charts-cols-3 td:nth-child(3){width:28%}.learning-conversion-charts-cols-4 th:nth-child(1),.learning-conversion-charts-cols-4 td:nth-child(1){width:30%}.learning-conversion-charts-cols-4 th:nth-child(2),.learning-conversion-charts-cols-4 td:nth-child(2){width:18%}.learning-conversion-charts-cols-4 th:nth-child(3),.learning-conversion-charts-cols-4 td:nth-child(3){width:16%}.learning-conversion-charts-cols-4 th:nth-child(4),.learning-conversion-charts-cols-4 td:nth-child(4){width:36%}.learning-conversion-charts-cols-5 th:nth-child(1),.learning-conversion-charts-cols-5 td:nth-child(1){width:24%}.learning-conversion-charts-cols-5 th:nth-child(2),.learning-conversion-charts-cols-5 td:nth-child(2){width:16%}.learning-conversion-charts-cols-5 th:nth-child(3),.learning-conversion-charts-cols-5 td:nth-child(3){width:12%}.learning-conversion-charts-cols-5 th:nth-child(4),.learning-conversion-charts-cols-5 td:nth-child(4){width:24%}.learning-conversion-charts-cols-5 th:nth-child(5),.learning-conversion-charts-cols-5 td:nth-child(5){width:24%}.learning-direction-nsew-board{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start;max-width:100%}.learning-direction-nsew-sidebar{flex:0 0 140px;max-width:100%;position:relative;padding:12px 10px;border-radius:10px;border:1px solid var(--learning-activity-border);background:linear-gradient(180deg,#def,#f8fcff)}.learning-direction-nsew-instr-title{margin:0 0 6px;font-weight:700;font-size:.95rem}.learning-direction-nsew-steps{margin:0 0 12px;padding-left:1.1rem;font-size:.9rem;line-height:1.45}.learning-direction-nsew-score{margin:0 0 6px;font-size:1.35rem;color:#c76a00}.learning-direction-nsew-result{margin:0 0 4px;font-size:.9rem;font-weight:600;color:#2a5fad}.learning-direction-nsew-countdown{margin:0;font-size:.85rem;color:var(--text-secondary)}.learning-direction-nsew-compass{display:block;width:100%;max-width:120px;margin-top:12px}.learning-direction-nsew-main{flex:1 1 320px;min-width:0}.learning-direction-nsew-grid-wrap{position:relative;margin:0 auto;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px #0000001f}.learning-direction-nsew-path{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:2}.learning-direction-nsew-grid{display:grid;position:relative;z-index:1}.learning-direction-nsew-tile{margin:0;padding:0;border:1px solid rgba(0,0,0,.35);cursor:crosshair;position:relative;min-width:0;min-height:0}.learning-direction-nsew-tile.is-hover{outline:2px solid rgba(0,255,255,.65);outline-offset:-2px;z-index:1}.learning-direction-nsew-tile.is-guess{box-shadow:inset 0 0 0 3px #2a5fad}.learning-direction-nsew-tile.is-end{box-shadow:inset 0 0 0 3px #1a8f1a}.learning-direction-nsew-marker{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;pointer-events:none;text-shadow:0 0 2px #fff}.learning-direction-nsew-marker.is-end{font-size:14px;font-weight:800}.learning-direction-nsew-tools{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px}.learning-direction-nsew-level{margin:0}.learning-direction-nsew-hint{margin:0;flex:1 1 12rem;font-size:.85rem;color:var(--text-secondary)}.learning-mazes-play-row{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:center;gap:16px}.learning-mazes-stage{position:relative;max-width:100%;flex:1 1 240px;min-width:0;outline:none}.learning-mazes-dpad{display:grid;grid-template-columns:3.25rem 3.25rem 3.25rem;grid-template-rows:3.25rem 3.25rem 3.25rem;gap:6px;flex:0 0 auto;touch-action:manipulation;-webkit-user-select:none;user-select:none;align-self:center}.learning-mazes-dpad-btn{margin:0;padding:0;font-size:1.35rem;line-height:1;font-weight:700;border-radius:10px;border:1px solid var(--learning-activity-border);background:linear-gradient(180deg,#f8fcff,#d8e8f8);color:var(--text-primary);cursor:pointer;min-height:3.25rem;min-width:3.25rem}.learning-mazes-dpad-btn:active{background:#b8d4f0;transform:scale(.97)}.learning-mazes-dpad-up{grid-column:2;grid-row:1}.learning-mazes-dpad-left{grid-column:1;grid-row:2}.learning-mazes-dpad-down{grid-column:2;grid-row:2}.learning-mazes-dpad-right{grid-column:3;grid-row:2}.learning-mazes-stage:focus-visible{box-shadow:0 0 0 2px var(--learning-activity-border);border-radius:10px}.learning-mazes-canvas{display:block;max-width:100%;margin:0 auto;border-radius:10px;border:1px solid var(--learning-activity-border);cursor:pointer}.learning-mazes-win{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:14px 18px;border-radius:10px;background:#4664ffeb;color:#fff;text-align:center;font-size:1rem;line-height:1.45;box-shadow:0 4px 16px #0003;display:flex;flex-direction:column;gap:4px}.learning-mazes-tools{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px}.learning-mazes-size{margin:0}.learning-mazes-hint{margin:0;flex:1 1 14rem;font-size:.85rem;color:var(--text-secondary)}@media print{.learning-mazes-tools,.learning-mazes-win{display:none}}.learning-days-schedule-table-wrap{width:100%;max-width:100%;overflow-x:auto}.learning-days-schedule-table-wrap .learning-article-table{width:100%;max-width:none;table-layout:fixed;font-size:.88rem}.learning-days-schedule-table-wrap .learning-article-table th:nth-child(1),.learning-days-schedule-table-wrap .learning-article-table td:nth-child(1){width:12%;font-size:.8rem;color:var(--text-secondary);vertical-align:middle}.learning-days-schedule-table-wrap .learning-article-table th:nth-child(2),.learning-days-schedule-table-wrap .learning-article-table td:nth-child(2){width:14%;text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.learning-days-schedule-table-wrap .learning-article-table th:nth-child(3),.learning-days-schedule-table-wrap .learning-article-table td:nth-child(3){width:18%;white-space:nowrap}.learning-days-schedule-table-wrap .learning-article-table th:nth-child(4),.learning-days-schedule-table-wrap .learning-article-table td:nth-child(4){width:56%;text-align:left}.learning-polygon-table-full{width:100%;max-width:100%}.learning-polygon-table-full .learning-article-table{width:100%;max-width:none;table-layout:fixed}.learning-polygon-names-table-wrap .learning-article-table{min-width:0}.learning-polygon-names-table-wrap .learning-article-table th:nth-child(1),.learning-polygon-names-table-wrap .learning-article-table td:nth-child(1){width:42%;word-break:break-word}.learning-polygon-names-table-wrap .learning-article-table th:nth-child(2),.learning-polygon-names-table-wrap .learning-article-table td:nth-child(2){width:12%;text-align:center}.learning-polygon-names-table-wrap .learning-article-table th:nth-child(3),.learning-polygon-names-table-wrap .learning-article-table td:nth-child(3){width:12%;text-align:center}.learning-polygon-names-table-wrap .learning-article-table th:nth-child(4),.learning-polygon-names-table-wrap .learning-article-table td:nth-child(4){width:34%;text-align:right;white-space:nowrap}.learning-polygon-prefix-table-wrap .learning-article-table th:nth-child(1),.learning-polygon-prefix-table-wrap .learning-article-table td:nth-child(1){width:22%;text-align:center}.learning-polygon-prefix-table-wrap .learning-article-table th:nth-child(2),.learning-polygon-prefix-table-wrap .learning-article-table td:nth-child(2){width:78%}.learning-coin-grid-table-wrap .learning-fillin-table td{min-height:2.75rem;vertical-align:middle}.learning-coin-grid-table-wrap .learning-fillin-table th:nth-child(1),.learning-coin-grid-table-wrap .learning-fillin-table td:nth-child(1){width:14%;white-space:nowrap}.learning-coin-grid-table-wrap .learning-fillin-table th:nth-child(2),.learning-coin-grid-table-wrap .learning-fillin-table td:nth-child(2){width:46%}.learning-coin-grid-table-wrap .learning-fillin-table th:nth-child(3),.learning-coin-grid-table-wrap .learning-fillin-table td:nth-child(3){width:20%}.learning-coin-grid-table-wrap .learning-fillin-table th:nth-child(4),.learning-coin-grid-table-wrap .learning-fillin-table td:nth-child(4){width:20%}.learning-solids-table-wrap .learning-fillin-table td{min-height:2.75rem;vertical-align:middle}.learning-solids-table-wrap .learning-fillin-table td:first-child{text-align:center}.learning-symmetry-order-table-wrap{width:100%;max-width:100%}.learning-symmetry-order-table th,.learning-symmetry-order-table td{text-align:center;vertical-align:middle}.learning-symmetry-order-table td .learning-calculator-fun-illus{display:block;margin-left:auto;margin-right:auto}.learning-tessellation-vertex-table-wrap{width:100%;max-width:36rem;margin-left:auto;margin-right:auto}.learning-tessellation-vertex-table td{white-space:pre-line;vertical-align:middle;text-align:left}.learning-tessellation-vertex-table tr:nth-child(2) td:first-child{text-align:right}.learning-tessellation-vertex-table td .learning-calculator-fun-illus{display:block;margin-left:auto;margin-right:auto}.learning-eccentricity-graph-controls{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 20px;margin:12px 0}.learning-eccentricity-graph-controls .learning-charts-field{flex:1 1 14rem}.learning-eccentricity-graph-controls input[type=range]{width:100%;max-width:280px}.learning-eccentricity-graph-value{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.05rem;min-width:4.5rem}.learning-eccentricity-graph-canvas-wrap{overflow-x:auto;border-radius:10px;border:1px solid var(--learning-activity-border);background:#fff}.learning-eccentricity-graph-canvas{display:block;max-width:100%;height:auto}.learning-charts-controls{display:flex;flex-wrap:wrap;gap:12px;margin:12px 0}.learning-charts-field{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--text-muted, #c9a8a5)}.learning-charts-field-wide{flex:1 1 220px}.learning-charts-field input,.learning-charts-field select{background:var(--learning-activity-input-bg, #2a1e18);border:1px solid var(--learning-activity-border, rgba(242, 213, 211, .2));color:var(--text, #f2d5d3);border-radius:6px;padding:8px 10px}.learning-charts-canvas-wrap{margin-top:8px;border-radius:8px;overflow:hidden;background:#2a1e18}.learning-charts-svg{width:100%;max-width:520px;height:auto;display:block;margin:0 auto}.learning-charts-svg-title{fill:#f2d5d3;font-size:14px;font-weight:600}.learning-charts-axis{stroke:#f2d5d359}.learning-charts-bar{fill:#c97b6a}.learning-charts-line{stroke:#e8a87c;stroke-width:2}.learning-charts-dot{fill:#8fbc8f}.learning-charts-label{fill:#c9a8a5;font-size:11px}.learning-charts-svg-muted{fill:#c9a8a5;font-size:13px}.learning-correlation-calculator-input{display:block;width:100%;max-width:520px;margin-top:6px;padding:8px 10px;font:700 15px/1.4 system-ui,sans-serif;border-radius:8px;border:1px solid rgba(242,213,211,.35);background:#0003;color:inherit;resize:vertical}.learning-correlation-calculator-stats{display:flex;flex-wrap:wrap;gap:10px 20px;margin:14px 0;max-width:520px}.learning-correlation-calculator-stats div{display:flex;flex-direction:column;min-width:100px}.learning-correlation-calculator-stats span{font-size:13px;opacity:.85}.learning-correlation-calculator-stats strong{font-size:18px}.learning-correlation-calculator-r{color:#7eb8ff}.learning-chi-square-presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.learning-chi-square-table-wrap{overflow-x:auto}.learning-chi-square-label-input{width:100%;min-width:4.5rem;font:inherit;font-weight:600;border:0;background:transparent;color:inherit;padding:2px 4px}.learning-chi-square-count-input{width:4.5rem;max-width:100%;padding:6px 8px;font:inherit;border-radius:6px;border:1px solid rgba(242,213,211,.35);background:#00000026;color:inherit}.learning-chi-square-total{font-weight:600;white-space:nowrap}.learning-chi-square-sum-row th,.learning-chi-square-sum-row td{border-top:2px solid rgba(242,213,211,.3)}.learning-chi-square-actions{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.learning-chi-square-result{margin-top:8px}.learning-quincunx-controls{margin-bottom:8px}.learning-quincunx-canvas{width:100%;max-width:480px;display:block;margin:0 auto}.learning-quincunx-math{margin-top:8px}.learning-least-squares-data-actions{margin:0 0 12px;max-width:520px}.learning-least-squares-equation{margin:8px 0 12px}.learning-least-squares-sum-row td{border-top:2px solid rgba(242,213,211,.35);padding-top:10px}.learning-correlation-calculator-toggles{margin-bottom:12px}.learning-probability-panel{margin:12px 0 20px;padding:14px 16px;border-radius:10px;border:1px solid rgba(242,213,211,.22);background:#0000001f}.learning-probability-embedded{margin:16px 0}.learning-probability-actions{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.learning-probability-stats{display:flex;flex-wrap:wrap;gap:12px 20px;font-size:15px}.learning-probability-last{margin:8px 0}.learning-probability-die-face{font-size:18px}.learning-probability-die-glyph{font-size:28px;margin-right:6px}.learning-probability-marbles{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}.learning-probability-marble{width:22px;height:22px;border-radius:50%;display:inline-block;border:2px solid rgba(0,0,0,.25)}.learning-probability-marble.is-blue{background:#4a8fd4}.learning-probability-marble.is-red{background:#d44a4a}.learning-spinner-main{max-width:420px;margin:0 auto;padding:14px;border-radius:12px;background:linear-gradient(180deg,#b8d4f0,#8eb8e8);box-shadow:0 0 18px #00002859}.learning-spinner-spin-btn{width:96%;margin:0 auto 10px;display:block;font-size:18px!important}.learning-spinner-preset{width:100%;margin-bottom:8px;text-align:center}.learning-spinner-preset select{width:100%;max-width:360px;margin-top:4px}.learning-spinner-canvas-wrap{position:relative;width:100%;max-width:400px;margin:0 auto}.learning-spinner-answer{position:absolute;right:8px;top:8px;z-index:2;font:700 26px system-ui,sans-serif;color:#036;max-width:120px;text-align:center;line-height:1.1}.learning-spinner-canvas{width:100%;display:block;border-radius:8px}.learning-spinner-sliders{margin-top:10px;display:flex;flex-direction:column;gap:8px}.learning-spinner-sliders .learning-percent-slider-label{font-size:14px}.learning-spinner-results{margin-top:14px}.learning-spinner-tally th,.learning-spinner-tally td{text-align:center;font-size:13px}.learning-dice-exp-target{margin-bottom:12px}.learning-dice-exp-target input{width:100%;max-width:120px;margin-top:4px}.learning-dice-exp-progress{font-size:17px;margin:0 0 10px}.learning-dice-exp-table td:nth-child(2){min-width:140px}.learning-dice-exp-total-row td{font-weight:600}.learning-dice-exp-tally{display:inline-flex;flex-wrap:wrap;gap:6px;align-items:center}.learning-dice-exp-tally-five{display:inline-flex;gap:2px;align-items:flex-end;height:22px}.learning-dice-exp-tally-stroke{display:block;width:2px;height:18px;background:#c9a8a5;border-radius:1px}.learning-dice-exp-tally-stroke.is-cross{transform:rotate(-25deg);height:22px;margin-left:-6px;margin-right:2px}.learning-dice-exp-tally-empty{opacity:.5}.learning-dice-exp-tally-truncated{display:block;margin-top:6px;font-size:12px;font-style:italic;opacity:.85;line-height:1.3}.learning-dice-exp-chart{max-width:340px}.learning-dice-exp-chart-wide{max-width:420px}.learning-two-dice-outcomes-wrap{overflow-x:auto;max-width:100%}.learning-two-dice-outcomes-table{margin:0 auto;width:auto;border-collapse:separate;border-spacing:0}.learning-two-dice-outcomes-table th,.learning-two-dice-outcomes-table td{text-align:center;vertical-align:middle;min-width:2.25rem;padding:8px 10px}.learning-two-dice-outcomes-group{font-weight:600}.learning-two-dice-outcomes-row-label{font-weight:600;max-width:5.5rem;line-height:1.25;font-size:13px}.learning-two-dice-outcomes-die-face{font-size:1.05rem;font-weight:600}.learning-two-dice-outcomes-sum{background:#00000014}.learning-two-dice-outcomes-sum.is-seven{background:#7eb8ff38}.learning-two-dice-outcomes-corner{border:0;padding:0;background:transparent}.learning-dice-exp-theory-cell{font-size:12px;white-space:nowrap}.learning-coin-grid-canvas{width:100%;max-width:360px;display:block;margin:12px auto;border-radius:8px;border:1px solid rgba(242,213,211,.25)}.learning-random-words-output{margin-top:14px;line-height:1.6;word-break:break-word}.learning-lottery-grid{display:flex;flex-wrap:wrap;gap:6px;max-width:420px;margin:12px 0}.learning-lottery-ball{width:2.1rem;height:2.1rem;border-radius:50%;border:1px solid rgba(242,213,211,.35);background:#0003;color:inherit;font-size:12px;cursor:pointer}.learning-lottery-ball.is-picked{background:#7eb8ff73;border-color:#7eb8ff;font-weight:600}.learning-lottery-ball.is-drawn{box-shadow:0 0 0 2px #e8a87c}.learning-lottery-ball.is-picked.is-drawn{background:#8fbc8f8c}.learning-spinner-export{margin-top:10px;padding:8px;font-size:11px;overflow-x:auto;background:#ffffffa6;border-radius:6px;color:#222}.learning-combo-perm .learning-combo-tabpanel{margin-top:14px}.learning-combo-board-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.learning-combo-board{margin-top:4px}.learning-combo-chip-row,.learning-combo-lock-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.learning-combo-lock-row select{min-width:3rem;padding:6px 8px;font-size:1.1rem;font-weight:600;border-radius:6px}.learning-combo-slot-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.learning-combo-slot{padding:10px 14px;border-radius:8px;border:1px dashed rgba(242,213,211,.45);font-size:13px}.learning-combo-list-wrap{margin-top:12px;max-height:160px;overflow-y:auto}.learning-combo-list{font-size:13px;line-height:1.5;word-break:break-word}.learning-combo-stars{display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin:12px 0;font-size:1.1rem;opacity:.85}.learning-combo-star-bar,.learning-combo-star-div{margin-left:6px;font-weight:300}.learning-combo-calc-field-wide{display:block;width:100%;max-width:100%}.learning-combo-calc-field-wide input,.learning-combo-calc-rules{width:100%;max-width:520px;font-family:inherit}.learning-combo-calc-rules{margin-top:6px;padding:8px 10px;border-radius:8px;resize:vertical}.learning-combo-calc-toggles{display:flex;flex-wrap:wrap;gap:16px 24px;margin:12px 0}.learning-combo-calc-toggle{display:flex;flex-direction:column;gap:6px}.learning-combo-calc-result{margin-top:16px}.learning-combo-calc-list{max-height:200px}.learning-combo-calc-split{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:12px}.learning-combo-list-muted{opacity:.72}.learning-combo-mode-card{text-align:left;cursor:pointer;border:1px solid transparent;width:100%}.learning-combo-mode-card.is-active{border-color:#7eb8ff8c;box-shadow:0 0 0 1px #7eb8ff40}.learning-combo-mode-sample{font-size:12px;max-height:4.5em;overflow:hidden}.learning-combo-preset-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.learning-combo-preset-card{text-align:left;cursor:pointer;width:100%}.learning-correlation-calculator-canvas{width:100%;max-width:500px;display:block;margin:0 auto;border-radius:8px;border:1px solid rgba(242,213,211,.2)}.learning-graph-canvas{width:100%;max-width:520px;display:block;margin:12px auto 0;border-radius:8px}.learning-interactive-explore{max-width:100%;min-width:0}.learning-interactive-explore .learning-graph-canvas{max-width:100%;height:auto;aspect-ratio:520 / 220}.learning-number-chart-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:12px 0 16px}.learning-number-chart-swatch{width:32px;height:32px;border-radius:8px;border:2px solid rgba(242,213,211,.25);cursor:pointer;padding:0;flex-shrink:0}.learning-number-chart-swatch.is-selected{border-color:#f2d5d3;box-shadow:0 0 0 2px #c97b6a8c}.learning-number-chart-swatch.is-erase{background:repeating-linear-gradient(45deg,#3a2820,#3a2820 4px,#2a1e18 4px,#2a1e18 8px)}.learning-number-chart-custom input[type=color]{width:40px;height:32px;padding:0;border:none;background:transparent;cursor:pointer}.learning-number-chart-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:3px;max-width:520px;margin:0 auto;-webkit-user-select:none;user-select:none}.learning-number-chart-cell{aspect-ratio:1;min-height:0;display:flex;align-items:center;justify-content:center;font-size:clamp(.55rem,2.2vw,.8rem);font-weight:600;color:#f2d5d3;background:#2a1e18;border:1px solid rgba(242,213,211,.12);border-radius:4px;cursor:pointer;padding:0}.learning-number-chart-cell:hover{border-color:#f2d5d359}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.learning-interactive .learning-article-table th{background:var(--learning-activity-bg-deep)}.learning-arithmetic-ref-table{font-size:.85rem}.learning-widget-wrap{margin:20px 0;border-radius:14px;overflow:hidden;border:2px solid var(--learning-activity-border);background:var(--learning-activity-bg);box-shadow:0 8px 24px var(--shadow)}.learning-widget-frame{display:block;width:100%;max-width:100%;border:0;min-height:200px}.learning-tile-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0;justify-content:center}.learning-tile{min-width:56px;padding:10px 12px;border-radius:12px;background:var(--learning-activity-bg);border:2px solid var(--learning-activity-border);text-align:center;font-size:.95rem;color:var(--text)}.learning-tile-title{font-weight:700;font-size:1.15rem}.learning-tile-sub{font-size:.85rem;color:var(--text-secondary);margin-top:2px}.learning-tile--with-image{min-width:140px;max-width:220px;padding:12px 10px 14px}.learning-tile--with-image .learning-calculator-fun-illus,.learning-tile--with-image .learning-tile-image{display:block;margin:0 auto 10px;max-width:100%;height:auto}.learning-tile--with-image .learning-tile-title{font-size:1rem}.learning-poly-model-viewer-wrap{position:relative;width:min(100%,768px,calc(min(72vh,560px)*1.6));margin:0 auto 20px;aspect-ratio:16 / 10;min-height:min(280px,50vw)}.learning-poly-model-viewer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0;border-radius:12px;background:#f4f8ff}.learning-poly-model-tile-row{gap:12px;justify-content:center}.learning-tile--poly-model{cursor:pointer;font:inherit;color:inherit;max-width:196px;padding:8px 6px 10px}.learning-tile--poly-model:hover{border-color:var(--learning-activity-accent, #4466cc)}.learning-poly-model-thumb-frame{display:block;width:180px;height:108px;margin:0 auto 6px;border:0;pointer-events:none;background:#f4f8ff;border-radius:8px;overflow:hidden}.learning-poly-model-static-thumb{display:block;width:auto;max-width:160px;max-height:96px;margin:0 auto 6px;object-fit:contain}.learning-prisms-gallery-table-wrap{margin:16px auto;max-width:520px}.learning-prisms-gallery-table{border:0}.learning-prisms-gallery-table td{text-align:center;vertical-align:middle;padding:10px 14px;border:0}.learning-prisms-gallery-table tr:has(td:not([colspan])) td:first-child{font-weight:600}.learning-article-example-body{margin-top:8px}.learning-article-summary ul{margin:0;padding-left:1.1em;font-size:14px;line-height:1.55}.learning-topic-link{color:#e8c4c1;font-weight:700;text-decoration:underline;text-decoration-color:#f2d5d373;text-underline-offset:3px}.learning-topic-link:hover{color:#f2d5d3;text-decoration-color:#f2d5d3d9}.learning-inline-link-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:.35rem .65rem}.learning-article-body .learning-topic-link+.learning-topic-link{margin-left:.35em}.learning-see-also{margin-top:28px;padding-top:20px;border-top:1px solid var(--border-light)}.learning-see-also-title{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px}.learning-see-also-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.learning-see-also-link{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border:1px solid var(--border-light);border-radius:10px;color:var(--text);background:#ffffff0d;font-size:14px;font-weight:600;text-decoration:none}.learning-see-also-link:hover{border-color:#f2d5d373;background:#f2d5d314}.learning-see-also-link:after{content:"→";margin-left:auto;color:var(--text-muted);font-size:13px}.learning-lesson-feedback{margin-top:28px;padding-top:20px;border-top:1px solid var(--border-light)}.learning-lesson-feedback-title{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}.learning-lesson-feedback-hint{margin:0 0 14px;font-size:14px;color:var(--text-muted);line-height:1.45}.learning-lesson-feedback-form{display:flex;flex-direction:column;gap:12px}.learning-lesson-feedback-field{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;color:var(--text-muted)}.learning-lesson-feedback-field input,.learning-lesson-feedback-field textarea{width:100%;padding:10px 12px;border:1px solid var(--border-light);border-radius:10px;color:var(--text);background:#ffffff0f;font-size:14px;font-weight:500;font-family:inherit}.learning-lesson-feedback-field textarea{resize:vertical;min-height:96px}.learning-lesson-feedback-error{margin:0;font-size:13px;color:#e8a87c}.learning-lesson-feedback-success{margin:0;font-size:14px;color:var(--text);font-weight:600}.sudoku-panel{padding:20px}.sudoku-controls{display:flex;align-items:flex-end;gap:10px;margin-bottom:20px}.sudoku-level-control{display:flex;flex:1;flex-direction:column;gap:5px;font-size:12px;font-weight:700}.sudoku-level-control input,.sudoku-level-control select{width:100%;min-height:40px;padding:8px 10px;border:1px solid var(--border-light);border-radius:8px;color:var(--text);background:#ffffff14}.sudoku-controls .btn-secondary{width:auto;margin-top:0;white-space:nowrap}.sudoku-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.sudoku-status{min-height:20px;margin-top:5px;font-size:13px;color:var(--text-secondary)}.sudoku-stats{display:flex;align-items:center;gap:14px}.sudoku-wrong-count{color:#ffb0a8;font-size:13px;font-weight:800;white-space:nowrap}.sudoku-time{font-variant-numeric:tabular-nums;font-size:24px;font-weight:800}.sudoku-completion{max-width:520px;margin:0 auto 18px;padding:16px;border:1px solid rgba(184,224,200,.42);border-radius:12px;background:#10b98124}.sudoku-completion-title{color:#b8e0c8;font-size:18px;font-weight:800}.sudoku-completion-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}.sudoku-completion-summary span{display:flex;flex-direction:column;gap:3px;font-size:15px}.sudoku-completion-summary strong{color:var(--text-muted);font-size:10px;letter-spacing:.04em;text-transform:uppercase}.sudoku-board-solved{max-width:360px}.sudoku-reset,.sudoku-puzzle-picker button{padding:8px 12px;border:1px solid var(--border-light);border-radius:8px;color:var(--text);background:#ffffff0f;font-size:13px;font-weight:600}.sudoku-board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));max-width:520px;margin:0 auto;border:2px solid var(--text)}.sudoku-cell{aspect-ratio:1;min-width:0;border-right:1px solid var(--border-light);border-bottom:1px solid var(--border-light);color:var(--text);background:#ffffff0a;font-size:clamp(17px,4vw,25px);font-weight:500}.sudoku-cell:nth-child(3n){border-right:2px solid var(--border-medium)}.sudoku-cell:nth-child(9n){border-right:0}.sudoku-cell:nth-child(n+19):nth-child(-n+27),.sudoku-cell:nth-child(n+46):nth-child(-n+54){border-bottom:2px solid var(--border-medium)}.sudoku-cell:nth-child(n+73){border-bottom:0}.sudoku-cell.given{background:#ffffff1f;font-weight:800}.sudoku-cell.correct{color:#b8e0c8;background:#10b98129}.sudoku-cell.selected{background:#f2d5d347;box-shadow:inset 0 0 0 2px var(--tint)}.sudoku-cell.mistake{color:#ffb0a8;background:#ef444429}.sudoku-number-pad{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:8px;max-width:520px;margin:18px auto 0}.sudoku-number-pad button{min-height:40px;border:1px solid var(--border-light);border-radius:8px;color:var(--text);background:#ffffff14;font-size:16px;font-weight:700}.sudoku-number-pad .sudoku-clear{grid-column:1 / -1;font-size:13px}.sudoku-puzzle-picker{display:flex;justify-content:center;gap:8px;margin-top:18px}.sudoku-puzzle-picker button.active,.sudoku-reset:hover,.sudoku-number-pad button:hover{background:#f2d5d333;border-color:var(--border-medium)}.wordle-panel{padding:20px}.wordle-controls{display:flex;align-items:flex-end;gap:10px;margin-bottom:18px}.wordle-level-control{display:flex;flex:1;flex-direction:column;gap:5px;font-size:12px;font-weight:700}.wordle-level-control input{width:100%;min-height:40px;padding:8px 10px;border:1px solid var(--border-light);border-radius:8px;color:var(--text);background:#ffffff14}.wordle-controls .btn-secondary{width:auto;margin-top:0;white-space:nowrap}.wordle-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.wordle-status{min-height:20px;margin-top:5px;font-size:13px;color:var(--text-secondary)}.wordle-stats{font-size:13px;color:var(--text-secondary);font-weight:700}.wordle-completion{max-width:520px;margin:0 auto 18px;padding:16px;border:1px solid rgba(184,224,200,.42);border-radius:12px;background:#10b98124}.wordle-completion-title{color:#b8e0c8;font-size:18px;font-weight:800}.wordle-completion-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}.wordle-completion-summary span{display:flex;flex-direction:column;gap:3px;font-size:15px}.wordle-completion-summary strong{color:var(--text-muted);font-size:10px;letter-spacing:.04em;text-transform:uppercase}.wordle-board{display:grid;grid-template-rows:repeat(6,minmax(0,1fr));gap:8px;max-width:420px;margin:0 auto 20px}.wordle-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.wordle-tile{display:flex;align-items:center;justify-content:center;aspect-ratio:1 / 1;border:1px solid var(--border-light);border-radius:10px;background:#ffffff0a;font-size:clamp(20px,4vw,28px);font-weight:800;text-transform:uppercase}.wordle-tile.empty{border-color:var(--border-light)}.wordle-tile.absent{background:#ffffff14;color:var(--text)}.wordle-tile.present{background:#f59e0b3d;border-color:#f59e0bb3;color:#fff3d6}.wordle-tile.correct{background:#10b98142;border-color:#10b981bf;color:#d8f7eb}.wordle-keyboard{display:flex;flex-direction:column;gap:8px;align-items:center}.wordle-keyboard-row{display:flex;justify-content:center;gap:6px;flex-wrap:wrap}.wordle-key{min-width:28px;min-height:40px;padding:0 12px;border:1px solid var(--border-light);border-radius:8px;background:#ffffff14;color:var(--text);font-size:14px;font-weight:700;text-transform:uppercase}.wordle-key:disabled{opacity:.45;cursor:not-allowed}.wordle-key.absent{background:#ffffff14}.wordle-key.present{background:#f59e0b38;border-color:#f59e0bb3}.wordle-key.correct{background:#10b98138;border-color:#10b981b3}.wordle-key.action{min-width:64px;font-size:12px}.wordle-keyboard-actions{margin-top:6px}@media(max-width:520px){.wordle-keyboard{gap:6px}.wordle-keyboard-row{gap:4px}.wordle-key{min-width:22px;min-height:32px;padding:0 8px;font-size:11px;border-radius:6px}.wordle-key.action{min-width:52px;font-size:10px}}.minesweeper-panel{padding:20px}.minesweeper-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;align-items:flex-end;gap:10px;margin-bottom:18px}.minesweeper-level-control{display:flex;flex:1;flex-direction:column;gap:5px;font-size:12px;font-weight:700}.minesweeper-level-control input,.minesweeper-level-control select{width:100%;min-height:40px;padding:8px 10px;border:1px solid var(--border-light);border-radius:8px;color:var(--text);background:#ffffff14}.minesweeper-controls .btn-secondary{width:auto;margin-top:0;white-space:nowrap}.minesweeper-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.minesweeper-status{min-height:20px;margin-top:5px;font-size:13px;color:var(--text-secondary)}.minesweeper-stats{display:flex;gap:14px;color:var(--text-secondary);font-size:13px;font-weight:700;white-space:nowrap}.minesweeper-completion{max-width:520px;margin:0 auto 14px;padding:14px;border:1px solid rgba(184,224,200,.42);border-radius:12px;background:#10b98124}.minesweeper-completion.lost{border-color:#ffb0a873;background:#ef44441f}.minesweeper-completion-title{color:#b8e0c8;font-size:18px;font-weight:800}.minesweeper-completion.lost .minesweeper-completion-title{color:#ffb0a8}.minesweeper-completion-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}.minesweeper-completion-summary span{display:flex;flex-direction:column;gap:3px;font-size:14px}.minesweeper-completion-summary strong{color:var(--text-muted);font-size:10px;letter-spacing:.04em;text-transform:uppercase}.minesweeper-leaderboard{max-width:520px;margin:0 auto 18px}.minesweeper-leaderboard-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px}.minesweeper-leaderboard-heading>span{color:var(--text-muted);font-size:12px}.minesweeper-leaderboard-list{display:flex;flex-direction:column;gap:4px}.minesweeper-leaderboard-row{display:grid;grid-template-columns:42px 1fr 50px 90px;gap:8px;align-items:center;padding:8px 10px;border:1px solid var(--border-light);border-radius:7px;color:var(--text-secondary);font-size:12px}.minesweeper-leaderboard-row.top{border-color:var(--border-medium);background:#f2d5d31a;color:var(--text)}.minesweeper-leaderboard-row .win{color:#b8e0c8;font-weight:800}.minesweeper-leaderboard-row .loss{color:#ffb0a8;font-weight:800}.minesweeper-empty-leaderboard{color:var(--text-secondary);font-size:13px}.minesweeper-mode{display:grid;grid-template-columns:1fr 1fr;max-width:450px;margin:0 auto 12px;padding:3px;border:1px solid var(--border-light);border-radius:9px;background:#0000001f}.minesweeper-mode button{min-height:38px;border:0;border-radius:6px;color:var(--text-secondary);background:transparent;font-weight:800}.minesweeper-mode button.active{color:var(--text);background:#f2d5d338;box-shadow:0 2px 8px #0000001f}.minesweeper-board{display:grid;max-width:100%;margin:0 auto;padding:5px;overflow:auto;border:2px solid #8f9299;border-radius:6px;background:#6d7078;box-shadow:0 8px 20px #0003}.minesweeper-cell{display:flex;align-items:center;justify-content:center;aspect-ratio:1;min-width:0;border:1px solid #aeb1b8;color:#20252d;background:#c9cbd0;font-size:clamp(15px,4vw,23px);font-weight:900;line-height:1}.minesweeper-cell.revealed{border-color:#9a9da4;background:#aeb1b7}.minesweeper-cell.flagged{color:#bb4d4d}.minesweeper-cell.mine{color:#fff;background:#c95d5d}.minesweeper-cell:nth-child(9n+2),.minesweeper-cell:nth-child(9n+3){color:#245c9b}.minesweeper-cell:nth-child(9n+4),.minesweeper-cell:nth-child(9n+5){color:#237048}.minesweeper-cell:nth-child(9n+6),.minesweeper-cell:nth-child(9n+7){color:#8c3131}.minesweeper-cell.mine{color:#fff}.minesweeper-help{margin:14px 0 0;color:var(--text-secondary);font-size:12px;text-align:center}@media(max-width:520px){.games-launcher{align-items:flex-start;flex-direction:column}.games-launcher .btn-secondary{width:100%}.game-card{align-items:flex-start;flex-wrap:wrap}.game-card-content{flex-basis:calc(100% - 64px)}.game-card .btn-secondary{width:100%}.sudoku-panel,.minesweeper-panel{padding:14px}.minesweeper-controls{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}.minesweeper-controls .btn-secondary{grid-column:1 / -1;width:100%}.minesweeper-completion-summary{grid-template-columns:repeat(2,1fr)}.minesweeper-leaderboard-row{grid-template-columns:36px 1fr 42px 78px}.sudoku-controls{align-items:stretch;flex-wrap:wrap}.sudoku-level-control{flex-basis:calc(50% - 5px)}.sudoku-controls .btn-secondary{width:100%}.sudoku-completion-summary{grid-template-columns:repeat(2,1fr)}.sudoku-number-pad{gap:4px}}.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:15px 30px;border-radius:25px;background:var(--glass-light);border:1px solid var(--border-light);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--text);font-size:16px;font-weight:600;width:100%;margin-top:8px;transition:opacity .2s}.btn-primary:hover:not(:disabled){opacity:.9}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:20px;background:var(--glass-medium);border:1px solid var(--border-light);color:var(--text);font-size:14px;font-weight:600;width:100%;margin-top:8px}.btn-icon{width:40px;height:40px;border-radius:20px;display:flex;align-items:center;justify-content:center;background:var(--glass-medium);border:1px solid var(--border-light);font-size:18px}.input-group{margin-bottom:20px}.input-label{display:block;font-size:16px;font-weight:600;margin-bottom:8px}.themed-input{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--border-light);background:var(--glass-light);color:var(--text);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.themed-input::placeholder{color:var(--text-muted)}.themed-input:disabled{opacity:.7}.password-wrapper{position:relative}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:18px;padding:4px}.divider{margin:32px 0;text-align:center;opacity:.6;font-size:14px}.loading-center{display:flex;justify-content:center;align-items:center;min-height:50vh;font-size:18px;opacity:.7}@media(min-width:768px){.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}}.app-background.admin-page .page-container{max-width:1100px}.admin-table-section{padding:12px 0 4px;overflow:hidden}.admin-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.admin-table{width:100%;border-collapse:collapse;min-width:960px;font-size:14px}.admin-table th,.admin-table td{padding:12px 16px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--border-light);white-space:nowrap}.admin-table th{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);border-bottom-color:var(--border-medium)}.admin-table tbody tr:hover{background:#ffffff0a}.admin-table-row-inactive{opacity:.72}.admin-table-name{font-weight:600;color:var(--text)}.admin-table-email{margin-top:2px;font-size:12px;color:var(--text-muted)}.admin-table-num{font-variant-numeric:tabular-nums;font-weight:600}.admin-table-actions-col{width:1%}.admin-status-pill{display:inline-block;padding:3px 8px;border-radius:6px;font-size:12px;font-weight:600;letter-spacing:.02em;border:1px solid var(--border-light);background:#ffffff0f}.admin-status-pill.is-active{color:#b8e0c8;border-color:#b8e0c859;background:#b8e0c81f}.admin-status-pill.is-inactive{color:var(--text-muted)}.admin-role-pill{display:inline-block;padding:3px 8px;border-radius:6px;font-size:12px;font-weight:600;letter-spacing:.02em;border:1px solid var(--border-light);background:#ffffff0f;color:var(--text-secondary)}.admin-role-pill.role-admin,.admin-role-pill.role-super_admin{color:#e8d5a3;border-color:#e8d5a359;background:#e8d5a31f}.admin-table-actions{display:flex;flex-wrap:nowrap;gap:6px}.admin-action-btn{padding:6px 10px;border-radius:8px;border:1px solid var(--border-light);background:#ffffff0f;color:var(--text);font-size:12px;font-weight:600;white-space:nowrap}.admin-action-btn:hover:not(:disabled){background:#ffffff1f}.admin-action-btn:disabled{opacity:.5;cursor:not-allowed}.admin-action-btn.admin-action-danger{border-color:#f2a0a059;color:#f2a0a0}.admin-action-btn.admin-action-danger:hover:not(:disabled){background:#f2a0a01f}.admin-period-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.admin-period-btn{padding:8px 12px;border-radius:8px;border:1px solid var(--border-light);background:#ffffff0f;color:var(--text-muted);font-size:13px;font-weight:600}.admin-period-btn.is-active,.admin-period-btn:hover{color:var(--text);background:#ffffff1f}.admin-metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}@media(min-width:720px){.admin-metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.admin-metric{padding:12px 14px;border-radius:12px;border:1px solid var(--border-light);background:#ffffff0a}.admin-metric-label{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}.admin-metric-value{margin-top:6px;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}.admin-metric-value-sm{font-size:16px;text-transform:capitalize}.admin-metric-sub{margin-top:4px;font-size:12px;color:var(--text-muted)}.learning-gamma-graph-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.learning-gamma-graph-row img{max-width:100%;height:auto}.learning-factorial-table-wrap{max-height:280px;overflow:auto;margin:12px 0;border:1px solid var(--border-subtle, rgba(255, 255, 255, .12));border-radius:8px}.learning-binary-bit-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.learning-binary-finger-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:12px 0}.learning-binary-finger-btn{padding:8px;border-radius:10px;border:2px solid var(--learning-activity-border);background:var(--learning-activity-input-bg);color:var(--text);cursor:pointer;font-weight:600}.learning-binary-finger-btn.is-up{border-color:var(--glass-strong);background:#f2d5d333}.learning-hex-color-swatch{width:min(100%,280px);height:80px;border-radius:12px;border:2px solid var(--learning-activity-border);margin:12px 0}.learning-nt-index-sections{display:flex;flex-direction:column;gap:12px}.learning-nt-index-list{margin:0;padding-left:1.2rem;list-style:disc}.learning-nt-index-list li{margin-bottom:8px}.learning-nt-index-path{margin:0 0 12px;padding-left:1.2rem}.learning-nt-index-path li{margin-bottom:12px}.learning-add-subtract-balance .learning-balance-equation{font-size:1.35rem;font-weight:600;font-variant-numeric:tabular-nums;margin:8px 0 12px;text-align:center}.learning-balance-op-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.learning-balance-op-row .btn-secondary{width:auto;margin:0;min-width:4rem}.learning-balance-solved{color:#8fbc8f;font-weight:600}.learning-multiply-balance-example{margin:16px 0;padding:12px 14px;border-radius:10px;border:1px solid var(--border-light);background:#ffffff0a}.learning-multiply-balance-example summary{cursor:pointer;font-weight:600}.learning-multiply-balance-step-img{display:block;margin:10px 0 0}.learning-inequality-slot{display:inline-block;min-width:1.5rem;text-align:center;color:#d9a87b}.learning-charts-field-row{display:flex;flex-wrap:wrap;gap:12px;margin:12px 0}.task-card{display:flex;align-items:center;padding:16px;margin-bottom:8px;gap:8px;border-left:4px solid transparent;transition:transform .15s ease,box-shadow .15s ease}.task-card:hover{transform:translateY(-1px);box-shadow:0 8px 18px #00000014}.task-card-routine{border-left-color:#4f46e5}.task-card-meal_prep{border-left-color:#10b981}.task-card-deadline{border-left-color:#f59e0b}.task-content{flex:1;cursor:pointer}.task-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.task-title{font-size:16px;font-weight:600}.task-title.completed{text-decoration:line-through;opacity:.6}.task-description{font-size:14px;opacity:.8;margin-bottom:6px;line-height:1.3}.task-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px;opacity:.7}.task-skip-link{flex-shrink:0;padding:0;border:none;background:none;color:inherit;font-size:12px;opacity:.55;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.task-skip-link:hover:not(:disabled){opacity:.9}.task-skip-link:disabled{opacity:.3;cursor:default}.task-actions{display:flex;align-items:center;gap:8px}.checkbox{width:26px;height:26px;border-radius:13px;border:2px solid #007aff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.checkbox.checked{background:#007aff;color:#fff}.checkbox.toggling{background:#f59e0b;opacity:.7}.category-icon{font-size:20px;margin-right:8px}.category-title-row{display:flex;align-items:center}.category-count{font-size:14px;opacity:.6}.fab-container{position:fixed;bottom:30px;right:20px;z-index:1000;display:flex;flex-direction:column;align-items:flex-end}.fab-menu-item{margin-bottom:8px;opacity:0;transform:translateY(20px);transition:all .3s cubic-bezier(.34,1.56,.64,1);pointer-events:none}.fab-container.open .fab-menu-item{opacity:1;pointer-events:auto}.fab-container.open .fab-menu-item:nth-child(1){transform:translateY(-280px)}.fab-container.open .fab-menu-item:nth-child(2){transform:translateY(-210px)}.fab-container.open .fab-menu-item:nth-child(3){transform:translateY(-140px)}.fab-container.open .fab-menu-item:nth-child(4){transform:translateY(-70px)}.fab-menu-button{display:flex;align-items:center;padding:12px 16px;border-radius:25px;background:#fff9;border:1px solid rgba(255,255,255,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 8px #0000004d;min-width:140px;justify-content:center;gap:8px;color:var(--text);font-weight:600;font-size:14px}.fab-main{width:56px;height:56px;border-radius:28px;background:var(--tint);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:var(--bg);box-shadow:0 4px 6px #0000004d;transition:transform .3s}.fab-container.open .fab-main{transform:rotate(45deg)}.reports-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px}.stat-card{padding:16px;text-align:center}.stat-value{font-size:24px;font-weight:700}.stat-label{font-size:12px;opacity:.7;margin-top:4px}.report-card{padding:16px;margin-bottom:12px}.report-date{font-weight:600;margin-bottom:8px}.progress-bar{height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden;margin:8px 0}.progress-fill{height:100%;background:#10b981;border-radius:4px;transition:width .3s}.category-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.category-pill{padding:8px 12px;border-radius:20px;font-size:13px;cursor:pointer;border:1px solid var(--border-light);background:var(--glass-light)}.category-pill.selected{background:var(--glass-strong);border-color:var(--border-medium)}.schedule-group{display:flex;flex-direction:column;gap:12px}.schedule-mode{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:4px;border-radius:12px;background:#0000002e;border:1px solid var(--border-light)}.schedule-mode-btn{padding:10px 12px;border-radius:9px;border:none;background:transparent;color:var(--text);font-size:14px;font-weight:600;opacity:.65}.schedule-mode-btn.selected{background:#f2d5d32e;opacity:1}.schedule-presets{display:flex;gap:8px}.schedule-preset{padding:6px 12px;border-radius:999px;border:1px solid var(--border-light);background:transparent;color:var(--text);font-size:12px;opacity:.75}.schedule-preset.selected{border-color:#f2d5d38c;background:#f2d5d324;opacity:1}.repeat-day-strip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}.repeat-day{aspect-ratio:1;width:100%;max-width:44px;margin:0 auto;border-radius:50%;border:1px solid var(--border-medium);background:#ffffff0a;color:var(--text);font-size:13px;font-weight:700;letter-spacing:.02em;opacity:.55}.repeat-day.selected{background:#f2d5d3e0;border-color:transparent;color:#1a1214;opacity:1}.schedule-summary{margin:0;font-size:13px;opacity:.7}.menu-item-row{display:flex;gap:8px;margin-bottom:8px;align-items:center}.menu-item-row input{flex:1}.task-type-badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.02em}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.task-card .task-header{align-items:flex-start}.task-type-selector{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px}.task-type-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:16px;border:1px solid var(--border-light);border-radius:16px;background:#ffffff59;transition:all .2s ease;text-align:left;cursor:pointer}.task-type-card.selected{border-color:var(--border-medium);background:#4f46e514;box-shadow:0 8px 18px #4f46e51f}.task-type-icon{font-size:22px}.task-type-title{font-size:14px;font-weight:700}.task-type-copy{font-size:12px;opacity:.7;line-height:1.4}.section-hero{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px}.section-hero>div:first-child{min-width:0;flex:1}.section-hero-actions{display:flex;flex-shrink:0;align-items:center;gap:8px}.section-hero-actions .btn-primary,.section-hero-actions .btn-secondary{width:auto;margin-top:0;padding:10px 16px;white-space:nowrap}.section-hero-actions .btn-icon{flex-shrink:0}@media(max-width:767px){.section-hero{flex-direction:column;align-items:stretch}.section-hero-actions{justify-content:flex-end;width:100%}}.summary-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:12px 0 20px}.summary-pill{padding:14px 16px;border-radius:14px;display:flex;flex-direction:column;gap:4px;background:#ffffff47;border:1px solid rgba(255,255,255,.2)}.summary-pill strong{font-size:22px;font-weight:800}.summary-pill span{font-size:12px;opacity:.7}.overdue-banner .section-header{margin-bottom:4px}.history-calendar-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.history-calendar-title{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0;text-align:center}.history-calendar-today{border:none;background:transparent;color:var(--tint);font-size:12px;font-weight:600;cursor:pointer;padding:0}.history-calendar-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin:12px 0 6px;text-align:center;font-size:12px;opacity:.7}.history-calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.history-calendar-cell{min-height:52px;border-radius:10px;border:1px solid var(--border-light);background:#ffffff14;color:inherit;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 2px;cursor:pointer}.history-calendar-cell.empty{border:none;background:transparent;cursor:default}.history-calendar-cell.has-report{background:#10b9812e;border-color:#10b98166}.history-calendar-cell.today{border-color:var(--tint)}.history-calendar-cell.selected{outline:2px solid var(--tint)}.history-calendar-day{font-size:13px;font-weight:600}.history-calendar-rate{font-size:10px;opacity:.8}.history-day-detail{margin-top:10px}.history-day-summary{margin:0 0 8px;font-size:13px;opacity:.8}.history-day-tables{display:flex;flex-direction:column;gap:10px}.history-day-category-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px;font-size:12px;font-weight:600;opacity:.85}.history-day-table{width:100%;border-collapse:collapse;font-size:12px}.history-day-table th,.history-day-table td{padding:5px 6px;text-align:left;border-bottom:1px solid var(--border-light);vertical-align:top}.history-day-table th{font-size:11px;font-weight:600;opacity:.55;border-bottom-color:#ffffff1f}.history-day-table th:nth-child(2),.history-day-table td:nth-child(2){width:52px;white-space:nowrap;opacity:.75}.history-day-table th:nth-child(3),.history-day-table td:nth-child(3){width:64px;text-align:right;white-space:nowrap}.history-day-table td.completed{text-decoration:line-through;opacity:.65}.history-day-task-status{font-size:11px;font-weight:600}.history-day-task-status.done{color:#10b981}.history-day-task-status.skipped{color:#f59e0b}.history-day-task-status.missed{color:#ef4444}@media(max-width:767px){.fab-container.open .fab-menu-item:nth-child(1){transform:translateY(-240px)}.fab-container.open .fab-menu-item:nth-child(2){transform:translateY(-180px)}.fab-container.open .fab-menu-item:nth-child(3){transform:translateY(-120px)}.fab-container.open .fab-menu-item:nth-child(4){transform:translateY(-60px)}.task-type-selector,.summary-strip{grid-template-columns:1fr}}
