:root{--primary: #c2410c;--on-primary: #ffffff;--primary-soft: #ffeddb;--secondary: #4dabf7;--tertiary: #51cf66;--surface: #ffffff;--bg: #fffbef;--on-bg: #212529;--muted: #5c6370;--surface-variant: #f1f3f4;--border: #e6e4de;--success: #1e6b34;--warning: #965a00;--danger: #d63341;--info: #3366ff;--success-soft: #dff3e4;--danger-soft: #fbe4e6;--warning-soft: #ffe8c9;--unauthorized: #7c3aed;--font-display: 32px;--font-headline: 28px;--font-title: 22px;--font-body-lg: 18px;--font-body: 16px;--font-label: 14px;--font-caption: 12px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--radius-xs: 8px;--radius-sm: 12px;--radius: 16px;--radius-lg: 24px;--radius-pill: 999px;--shadow-sm: 0 1px 3px rgba(33, 37, 41, .1);--shadow: 0 4px 14px rgba(33, 37, 41, .1);--shadow-lg: 0 10px 30px rgba(33, 37, 41, .16);--dur-in: .2s;--dur-out: .25s;--dur-confetti: .5s;--ease: cubic-bezier(.4, 0, .2, 1);--touch-min: 48px;--touch-main: 56px;--safe-bottom: env(safe-area-inset-bottom, 0px);--nav-h-mobile: 72px;--nav-rail-w: 64px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--on-bg);line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#root{min-height:100vh}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:8px;font-weight:700}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;font-size:15px}.brand-name{font-size:16px}.top-nav{display:none;align-items:center;gap:4px}.top-nav-link{padding:8px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:500}.top-nav-link.active{color:var(--primary);background:var(--primary-soft)}.app-main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:16px 16px calc(var(--nav-h-mobile) + var(--safe-bottom) + 20px)}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;background:var(--surface);border-top:1px solid var(--border);padding-bottom:var(--safe-bottom)}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 4px calc(8px + env(safe-area-inset-bottom,0px));min-height:var(--nav-h-mobile);color:var(--muted);text-decoration:none;font-size:11px;border:none;background:none;cursor:pointer}.bottom-nav-item.active{color:var(--primary);font-weight:600}.bottom-nav-icon{font-size:18px;line-height:1}.bottom-nav-item.bottom-nav-signout{color:var(--danger)}.page{display:flex;flex-direction:column;gap:16px}.page-head{display:flex;flex-direction:column;gap:2px}.page-title{margin:0;font-size:22px;font-weight:700}.page-sub{margin:0;color:var(--muted);font-size:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border)}.card-title{margin:0;font-size:15px;font-weight:600}.card-body{padding:16px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat-card{display:flex;flex-direction:column;gap:2px;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.stat-value{font-size:24px;font-weight:700;color:var(--primary)}.stat-label{font-size:12px;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:var(--touch-min);padding:10px 16px;border:1px solid transparent;border-radius:var(--radius-sm);font-weight:600;font-size:15px;cursor:pointer;text-decoration:none;transition:filter .15s,background .15s}.btn:active{filter:brightness(.95)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--primary-soft);color:var(--primary)}.btn-ghost{background:transparent;color:var(--muted);border-color:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-block{width:100%}.btn-small{min-height:auto;padding:6px 12px;font-size:13px}.form{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px;margin:0;padding:0;border:none}.field-label{font-size:13px;font-weight:600;color:var(--muted);padding:0}.field-note{margin:-6px 0 0;font-size:12px;color:var(--muted)}.input,select.input{width:100%;min-height:var(--touch-min);padding:10px 12px;font-size:16px;color:var(--on-bg);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}.input:focus{outline:2px solid color-mix(in srgb,var(--primary) 40%,transparent);border-color:var(--primary)}.input-compact{min-height:36px;padding:4px 8px;font-size:14px}.form-actions{display:flex;gap:10px;margin-top:4px}.form-actions-wrap{flex-wrap:wrap}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:20px;font-size:14px;cursor:pointer;-webkit-user-select:none;user-select:none}.chip input{accent-color:var(--primary)}.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.list-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.list-item:last-child{border-bottom:none}.list-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;cursor:default}.list-title{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-sub{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px}.muted{color:var(--muted);font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;word-break:break-all}.avatar{flex-shrink:0;width:40px;height:40px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.tag-draft{background:var(--surface-variant);color:var(--muted)}.tag-published{background:var(--success-soft);color:var(--success)}.tag-archived{background:color-mix(in srgb,var(--muted) 15%,transparent);color:var(--muted)}.tag-fallback{background:var(--warning-soft);color:var(--warning)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:700}.banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:var(--radius-sm);font-size:14px}.banner-error{background:var(--danger-soft);color:var(--danger)}.banner-info{background:color-mix(in srgb,var(--info) 10%,transparent);color:var(--info)}.banner-actions{display:inline-flex;gap:8px;flex-shrink:0}.toast{position:fixed;left:16px;right:16px;bottom:calc(var(--nav-h-mobile) + var(--safe-bottom) + 12px);z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);font-size:14px;animation:slide-up .25s ease}.toast-info,.toast-action{background:var(--surface);color:var(--on-bg);border:1px solid var(--border)}@keyframes slide-up{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}.global-error-banner{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;font-size:14px;font-weight:500;animation:slide-down .2s ease}.global-error-banner-error{background:var(--danger);color:#fff}.global-error-banner-warning{background:var(--warning);color:#fff}.global-error-banner-info{background:var(--info);color:#fff}.global-error-banner-unauthorized{background:var(--unauthorized);color:#fff}.global-error-content{display:flex;align-items:center;gap:8px;min-width:0}.global-error-icon{flex-shrink:0;font-size:16px}.global-error-message{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.global-error-close{flex-shrink:0;border:none;background:#fff3;color:#fff;width:28px;height:28px;border-radius:50%;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center}.global-error-close:hover{background:#ffffff59}@keyframes slide-down{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.toast-container{position:fixed;right:16px;bottom:calc(var(--nav-h-mobile) + var(--safe-bottom) + 12px);z-index:90;display:flex;flex-direction:column;gap:8px;max-width:380px;width:calc(100% - 32px)}.toast-item{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);font-size:14px;animation:slide-up .25s ease;background:var(--surface);border:1px solid var(--border);color:var(--on-bg)}.toast-item-error{border-left:4px solid var(--danger)}.toast-item-warning{border-left:4px solid var(--warning)}.toast-item-info{border-left:4px solid var(--info)}.toast-success{border-left:4px solid var(--success)}.toast-item-unauthorized{border-left:4px solid var(--unauthorized)}.toast-icon{flex-shrink:0;font-size:16px}.toast-message{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toast-close{flex-shrink:0;border:none;background:transparent;color:var(--muted);font-size:14px;cursor:pointer;padding:2px 6px;border-radius:4px}.toast-close:hover{background:var(--bg);color:var(--on-bg)}.spinner-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px;color:var(--muted)}.spinner{width:26px;height:26px;border:3px solid color-mix(in srgb,var(--primary) 20%,transparent);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.spinner-label{font-size:13px}.spinner-sm{width:16px;height:16px;border-width:2px;flex-shrink:0}.generation-progress{justify-content:flex-start;gap:10px}.skeleton-wrap{display:flex;flex-direction:column;gap:12px;padding:16px 0}.skeleton-label{font-size:13px;color:var(--muted)}.skeleton-line{display:block;height:56px;border-radius:var(--radius-sm);background:var(--surface-variant)}.skeleton-line{animation:skeleton-pulse 1.5s ease-in-out infinite}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.55}}.child-dict-skeleton .skeleton-line{height:64px;border:1px solid var(--border);background:var(--surface)}@media (prefers-color-scheme: dark){.skeleton-label{color:var(--muted)}}.empty-state{display:flex;flex-direction:column;align-items:center;gap:6px;padding:32px 16px;text-align:center}.empty-icon{font-size:34px;opacity:.4}.empty-title{margin:0;font-weight:600;font-size:15px}.empty-hint{margin:0;color:var(--muted);font-size:13px}.empty-action{margin-top:10px;min-height:var(--touch-min)}.confirm-bar{width:100%;display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px;margin-top:8px;background:color-mix(in srgb,var(--danger) 8%,transparent);border-radius:var(--radius-sm);font-size:13px}.progress-controls{display:flex;flex-direction:column;gap:14px;margin-bottom:16px}.segmented{display:flex;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.segmented-btn{flex:1;padding:10px 6px;border:none;background:transparent;font-size:13px;font-weight:500;color:var(--muted);min-height:var(--touch-min);cursor:pointer}.segmented-btn.active{background:var(--primary);color:#fff}.mastery{margin-bottom:18px}.mastery-label{font-size:13px;color:var(--muted)}.mastery-value{float:right;font-weight:700;color:var(--primary)}.mastery-bar{margin-top:6px;height:12px;background:var(--bg);border-radius:10px;overflow:hidden}.mastery-fill{height:100%;background:var(--primary);border-radius:10px;transition:width .4s ease}.section-title{margin:18px 0 6px;font-size:15px;font-weight:600}.chart{margin-top:8px}.chart-bars{display:flex;align-items:flex-end;gap:2px;height:120px}.chart-col{flex:1;display:flex;align-items:flex-end;height:100%}.chart-bar{width:100%;min-height:2px;background:var(--primary);border-radius:2px 2px 0 0;opacity:.85}.chart-x{display:flex;justify-content:space-between;margin-top:4px;font-size:11px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.bento{display:grid;grid-template-columns:1fr 1fr;gap:12px}.bento-cell{min-width:0;display:flex;flex-direction:column;animation:bento-fade-in .3s var(--ease) both}.bento-hero,.bento-activity{grid-column:span 2}.bento--1 .bento-hero{grid-column:1 / -1}a.bento-cell{cursor:pointer;text-decoration:none;color:inherit}a.bento-cell:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--radius)}.bento-card{flex:1}.bento-hero-card .card-body{min-height:var(--touch-main)}.hero-row{display:flex;align-items:center;gap:14px;width:100%}.hero-avatar{flex-shrink:0;width:48px;height:48px;border-radius:14px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:24px}.hero-main{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.hero-name{font-size:17px;font-weight:700;line-height:1.2}.hero-sub{font-size:13px;color:var(--muted)}.hero-ring{flex-shrink:0}.bento-hero .mastery-ring-progress{transition:stroke-dashoffset .3s var(--ease)}.bento-hero .mastery-ring-value-mini{font-size:13px}.alert-badge{display:inline-flex;align-items:center;gap:6px;max-width:100%;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;animation:alert-in .2s var(--ease) both}.alert-badge-ok{background:var(--success-soft);color:var(--success)}.alert-badge-warn{background:var(--warning-soft);color:var(--warning);animation:alert-in .2s var(--ease) both,alert-pulse 1.2s var(--ease) 2}.alert-badge-danger{background:var(--danger-soft);color:var(--danger);animation:alert-in .2s var(--ease) both,alert-pulse 1.2s var(--ease) 2}.alert-badge-muted{background:var(--surface-variant);color:var(--muted)}.bento-activity .chart{margin-top:0}.bento-caption{display:block;margin-top:8px;font-size:12px;color:var(--muted)}.quick-actions{display:flex;flex-direction:column;gap:8px}.quick-actions .btn{width:100%}.stat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.stat-value{display:inline-flex;align-items:center;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}.stat-label{font-size:13px;color:var(--muted)}.bento-tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:12px}.bento-tabs .segmented-btn{flex:none;min-width:max-content;padding:10px 14px}.bento-sk{padding:16px}.bento-sk .skeleton-line{height:24px}@keyframes bento-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes alert-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes alert-pulse{0%,to{box-shadow:0 0 0 0 transparent}50%{box-shadow:0 0 0 4px color-mix(in srgb,currentColor 25%,transparent)}}.gen-step{display:flex;flex-direction:column;gap:10px}.gen-step-label{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}.profile-pick{display:flex;flex-direction:column;gap:8px}.profile-pick-card{display:flex;align-items:center;gap:10px;width:100%;min-height:var(--touch-min);padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px;font-weight:500;color:var(--on-bg);cursor:pointer;text-align:left}.profile-pick-card input{accent-color:var(--primary);width:18px;height:18px;margin:0;flex-shrink:0}.profile-pick-card:has(input:checked){background:var(--primary-soft);border:2px solid var(--primary);padding:9px 13px}.profile-pick-card:has(input:focus-visible){outline:2px solid var(--primary);outline-offset:2px}.diff-chips{display:flex;gap:8px}.diff-chip{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;min-height:var(--touch-min);padding:6px 4px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:14px;font-weight:600;color:var(--on-bg);cursor:pointer}.diff-chip-stars{font-size:10px;letter-spacing:1px;color:var(--muted)}.diff-chip.active{background:var(--primary-soft);border:2px solid var(--primary);color:var(--primary);padding:5px 3px}.diff-chip.active .diff-chip-stars{color:var(--primary)}.stepper{display:flex;align-items:center;gap:8px}.stepper-btn{width:var(--touch-min);height:var(--touch-min);flex-shrink:0;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:20px;font-weight:600;color:var(--on-bg);cursor:pointer}.stepper-btn:disabled{opacity:.5;cursor:default}.stepper-value{min-width:40px;text-align:center;font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}.gen-actions .btn-primary{min-height:var(--touch-main)}.generation-bar{height:6px;margin-top:10px;border-radius:var(--radius-pill);background:var(--surface-variant);overflow:hidden}.generation-bar-fill{display:block;height:100%;width:40%;border-radius:var(--radius-pill);background:var(--primary);animation:generation-indeterminate 1.4s var(--ease) infinite}@keyframes generation-indeterminate{0%{transform:translate(-110%)}to{transform:translate(260%)}}.tasks-view-toggle{display:inline-flex;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px;flex-shrink:0}.tasks-view-btn{min-height:36px;padding:4px 12px;border:none;border-radius:9px;background:transparent;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}.tasks-view-btn.active{background:var(--surface);color:var(--on-bg);box-shadow:var(--shadow-sm)}.list-toolbar{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}.task-card-profile{font-size:13px;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:10px;animation:view-fade .12s var(--ease) both}.task-card{display:flex;flex-direction:column;gap:8px;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}.task-card-head{display:flex;align-items:flex-start;gap:10px}.task-card-type{flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:18px;border-radius:10px;background:var(--primary-soft);color:var(--primary)}.task-card-title{font-weight:700;font-size:15px;line-height:1.3;min-width:0}.task-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted)}.task-card-stars{color:var(--primary);font-size:12px;letter-spacing:1px}.task-card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:2px}.task-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;animation:view-fade .12s var(--ease) both}.task-table{width:100%;border-collapse:collapse;font-size:14px}.task-table th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:8px 10px;border-bottom:1px solid 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