:root{--color-primary: #6d3df5;--color-primary-deep: #4c2a9b;--color-primary-soft: #eee8ff;--color-gold: #f6b940;--color-gold-soft: #fff4d8;--color-ink: #1e1b2e;--color-muted: #6b647c;--color-border: #e8e1f6;--color-surface: #ffffff;--color-background: #fbf8ff;--color-success: #24b47e;--color-danger: #e25555;--gradient-primary: linear-gradient(135deg, var(--color-primary), #5126d8);--shadow-soft: 0 18px 50px rgb(76 42 155 / 9%);--shadow-card: 0 14px 34px rgb(76 42 155 / 7%);--shadow-strong: 0 24px 70px rgb(76 42 155 / 12%);color:var(--color-ink);background:var(--color-background);font-family:IBM Plex Sans Arabic,Tajawal,Cairo,system-ui,sans-serif;font-synthesis:none;line-height:1.5;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html{direction:rtl}body{margin:0;min-width:320px;min-height:100vh}.route-loading{display:flex;align-items:center;justify-content:center;gap:12px;min-height:45vh;color:var(--color-muted);font-weight:800}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgb(109 61 245 / 26%);outline-offset:3px}select:focus-visible,textarea:focus-visible{outline:3px solid rgb(109 61 245 / 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72%,#fff8e7);box-shadow:var(--shadow-card)}.source-only-art{position:relative;display:grid;min-height:100px;place-items:center}.source-book{display:grid;width:96px;height:78px;place-items:center;border:4px solid var(--color-primary-deep);border-radius:16px 16px 26px 26px;color:#fff;background:var(--gradient-primary);box-shadow:0 18px 30px #4c2a9b38;font-size:2.4rem}.source-flask{position:absolute;inset-block-start:-2px;inset-inline-end:18px;color:var(--color-gold);font-size:2rem;font-weight:900}.source-only-copy h2,.source-only-copy p{margin:0}.source-only-copy h2{margin-block:10px 5px;font-size:1.2rem}.source-only-copy p{color:var(--color-muted)}.source-only-badge{display:inline-flex;padding:7px 13px;border-radius:999px;color:#fff;background:var(--gradient-primary);font-weight:800;direction:ltr}.source-editor-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(340px,.75fr);gap:18px;align-items:start}.source-form-card,.source-preview-card{min-width:0;padding:clamp(20px,2.4vw,30px);border:1px solid var(--color-border);border-radius:26px;background:#fff;box-shadow:var(--shadow-card)}.source-card-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-block-end:22px}.source-card-heading h2{margin:3px 0 0;font-size:1.28rem}.source-step{color:var(--color-primary);font-size:.82rem;font-weight:800}.source-static-pill{padding:6px 10px;border-radius:999px;color:#7b5c12;background:var(--color-gold-soft);font-size:.78rem;font-weight:800}.source-field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.source-field{display:grid;gap:7px;color:var(--color-ink);font-weight:750}.source-field b,.source-status-field b{color:var(--color-danger)}.source-field input,.source-field select{width:100%;min-height:48px;padding-inline:14px;border:1px solid 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p{flex-basis:100%;margin:0;font-size:.82rem}.source-form-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-block-start:20px}.source-static-note{margin:10px 0 0;color:var(--color-muted);font-size:.8rem;text-align:center}.source-save-notice{margin:12px 0 0;padding:10px 14px;border-radius:12px;color:var(--color-primary-deep);background:var(--color-primary-soft);font-size:.86rem;font-weight:750;text-align:center}.source-preview-card{position:sticky;inset-block-start:114px}.source-eye{display:grid;width:40px;height:40px;place-items:center;border-radius:12px;color:var(--color-primary);background:var(--color-primary-soft)}.source-preview-sheet{overflow:hidden;border:1px solid var(--color-border);border-radius:20px;background:#fff}.source-preview-sheet>header{display:flex;align-items:center;gap:14px;padding:18px;border-block-end:1px dashed 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footer{padding:16px 20px 20px;border-block-start:1px solid var(--color-border)}.source-keywords{display:flex;flex-wrap:wrap;gap:7px;margin-block-start:9px}.source-keywords span{padding:5px 10px;border:1px solid #ddd2ff;border-radius:999px;color:var(--color-primary-deep);background:var(--color-primary-soft);font-size:.76rem}.source-preview-footnote{margin-block-start:14px;color:var(--color-muted);font-size:.8rem}.source-preview-footnote span{color:var(--color-success)}.generation-page{display:grid;gap:18px;padding-block-start:22px}.generation-heading h1{font-size:clamp(2rem,3vw,2.8rem)}.generation-heading h1 span{color:var(--color-primary)}.generation-heading>p:last-child{margin:8px 0 0;color:var(--color-muted)}.generation-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0;padding:18px;list-style:none;border:1px solid var(--color-border);border-radius:24px;background:#fff;box-shadow:var(--shadow-card)}.generation-steps 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strong{color:#75500b;font-size:1.3rem}.credit-estimate small{color:#806b3d}.generation-settings-card .button{width:100%}.generation-mock-note{margin:10px 0 0;color:var(--color-muted);font-size:.78rem;text-align:center}.generation-action-notice{margin:10px 0 0;padding:10px 12px;border-radius:12px;color:var(--color-primary-deep);background:var(--color-primary-soft);font-size:.8rem;font-weight:750;text-align:center}.generation-status-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.generation-status-track>div{display:grid;grid-template-columns:38px 1fr;gap:2px 10px;align-items:center;padding:14px;border:1px dashed #d8ccef;border-radius:16px;color:var(--color-muted)}.generation-status-track span{grid-row:span 2;display:grid;width:36px;height:36px;place-items:center;border-radius:50%;background:#f0edf7;font-weight:850}.generation-status-track strong,.generation-status-track small{display:block}.generation-status-track small{font-size:.75rem}.generation-status-track 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var(--color-border);border-radius:14px;color:var(--color-ink);background:#fff}.suggestion-form-card select{min-height:48px}.suggestion-form-card textarea{min-height:130px;resize:vertical;line-height:1.7}.suggestion-policy-card{position:sticky;inset-block-start:114px;background:linear-gradient(150deg,#fff,#f3eeff)}.suggestion-policy-card h2{margin:16px 0 8px;font-size:1.3rem}.suggestion-policy-card p{margin:0;color:var(--color-muted);line-height:1.8}.suggestion-policy-card ul{display:grid;gap:8px;margin:18px 0 0;padding:0 20px 0 0;color:var(--color-primary-deep);font-size:.88rem}.suggestions-empty{margin:0;color:var(--color-muted)}.suggestion-list{display:grid;gap:12px}.suggestion-list article{display:flex;justify-content:space-between;gap:18px;padding:16px;border:1px solid var(--color-border);border-radius:18px}.suggestion-list h3,.suggestion-list p{margin:0}.suggestion-list h3{margin-block:9px 5px;font-size:1rem}.suggestion-list p{color:var(--color-muted);line-height:1.75}.suggestion-list small{display:block;margin-block-start:9px;color:#867e96}.suggestion-status{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:.75rem;font-weight:800;color:var(--color-primary-deep);background:var(--color-primary-soft)}.suggestion-status-accepted{color:#176c4c;background:#e0f7ed}.suggestion-status-rejected{color:#9a3535;background:#fff0f0}.suggestion-status-resolved{color:#675d75;background:#f1eff5}.suggestion-review-actions{display:flex;flex-wrap:wrap;align-content:start;gap:7px;min-width:156px}.suggestion-review-actions button{padding:7px 10px;border:1px solid var(--color-border);border-radius:10px;color:var(--color-primary-deep);background:#fff;font-weight:750}@media(max-width:900px){.suggestions-layout{grid-template-columns:1fr}.suggestion-policy-card{position:static}}@media(max-width:620px){.suggestion-list article{flex-direction:column}.suggestion-review-actions{min-width:0}}.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}.app-shell{display:grid;grid-template-columns:284px minmax(0,1fr);min-height:100vh;background:radial-gradient(circle at 20% 0%,rgb(246 185 64 / 10%),transparent 30%),radial-gradient(circle at 80% 12%,rgb(109 61 245 / 8%),transparent 28%),var(--color-background)}.sidebar{grid-column:1;grid-row:1;display:flex;flex-direction:column;gap:30px;min-width:0;min-height:100vh;padding:28px 22px;position:sticky;inset-block-start:0;background:#fffffff0;border-inline-start:1px solid var(--color-border);box-shadow:-16px 0 40px #4c2a9b14}.brand{display:flex;align-items:center;justify-content:center;min-height:74px;padding-inline:4px}.brand-logo{display:block;width:100%;max-width:210px;height:72px;object-fit:contain}.nav-list{display:grid;gap:10px}.nav-link{display:flex;align-items:center;gap:12px;min-height:52px;padding:12px 14px;border:1px solid transparent;border-radius:18px;color:var(--color-muted);font-weight:700}.nav-link:hover,.nav-link:focus-visible{color:var(--color-primary-deep);background:var(--color-primary-soft);outline:none}.nav-link[aria-current=page]{color:#fff;background:linear-gradient(135deg,var(--color-primary),#5126d8);border-color:#fff6;box-shadow:0 14px 28px #6d3df547}.nav-icon{display:grid;width:28px;height:28px;place-items:center;border-radius:10px;background:#6d3df51a;color:var(--color-primary);font-size:1rem}.nav-link[aria-current=page] .nav-icon{background:#ffffff2e;color:#fff}.mentor-card{margin-block-start:auto;overflow:hidden;padding:20px;border:1px solid rgb(255 255 255 / 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#4c2a9b12;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.teacher-chip{display:flex;align-items:center;gap:12px;min-width:150px}.teacher-chip strong,.teacher-chip span{display:block}.teacher-chip span{color:var(--color-muted);font-size:.84rem}.avatar{display:grid;width:46px;height:46px;place-items:center;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--color-primary-deep),var(--color-primary));font-weight:800}.topbar-actions{display:flex;align-items:center;gap:10px}.icon-button,.language-button{display:grid;min-width:44px;height:44px;place-items:center;border:1px solid var(--color-border);border-radius:14px;color:var(--color-primary-deep);background:#fff;font-weight:800;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.icon-button:hover,.language-button:hover,.button:hover,.stat-card a:hover,.panel-heading a:hover{transform:translateY(-1px)}.language-button{min-width:112px;padding-inline:14px}.search-box{min-width:0}.search-box input{width:100%;height:46px;padding:0 18px;border:1px solid var(--color-border);border-radius:16px;color:var(--color-ink);background:#fff}.search-box input::placeholder{color:#9a93ac}.dashboard{display:grid;gap:18px;padding-block-start:22px}.hero-card{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(320px,1fr);grid-template-areas:"visual copy";align-items:center;min-height:260px;overflow:hidden;direction:ltr;padding:clamp(24px,3vw,38px) clamp(24px,4vw,54px);border:1px solid var(--color-border);border-radius:28px;background:radial-gradient(circle at 18% 35%,rgb(246 185 64 / 20%),transparent 22%),radial-gradient(circle at 52% 18%,rgb(109 61 245 / 12%),transparent 32%),linear-gradient(100deg,#ffffffd6,#eee8ffb8),var(--color-surface);box-shadow:var(--shadow-strong)}.hero-mentor{grid-area:visual;display:flex;justify-content:center;direction:rtl}.hero-art-frame{display:block;width:min(520px,48vw)}.hero-art-frame img{display:block;width:100%;border-radius:24px;object-fit:contain;filter:drop-shadow(0 18px 30px rgb(76 42 155 / 13%))}.hero-copy{grid-area:copy;justify-self:end;max-width:660px;direction:rtl;text-align:start}.eyebrow{margin:0 0 8px;color:var(--color-primary);font-size:.86rem;font-weight:800}h1,h2,h3,p{overflow-wrap:anywhere}h1{margin:0;color:var(--color-ink);font-size:clamp(2.25rem,4.2vw,3.55rem);line-height:1.12;letter-spacing:0}.hero-copy p:not(.eyebrow),.placeholder-page>p{max-width:620px;margin:14px 0 0;color:var(--color-muted);font-size:1.12rem}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-block-start:24px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 22px;border:1px solid transparent;border-radius:16px;font-weight:800;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.button-primary{color:#fff;background:var(--gradient-primary);box-shadow:0 16px 32px #6d3df542}.button-secondary{color:var(--color-primary-deep);background:#fff;border-color:var(--color-border)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));gap:16px}.stat-card{display:grid;grid-template-columns:minmax(0,1fr) 92px;grid-template-rows:1fr auto;align-items:start;position:relative;overflow:hidden;min-height:154px;padding:20px;border:1px solid var(--color-border);border-radius:22px;background:#fff;box-shadow:var(--shadow-card)}.stat-card strong{display:block;margin-block-start:10px;color:var(--color-ink);font-size:2.08rem;line-height:1}.stat-card p,.stat-label{margin:0;color:var(--color-muted)}.stat-label{font-weight:800}.stat-card a{position:relative;z-index:1;grid-column:1 / -1;display:flex;align-items:center;justify-content:center;min-height:38px;margin-block-start:16px;padding:9px 12px;border-radius:14px;color:var(--color-primary-deep);background:var(--color-primary-soft);font-size:.82rem;font-weight:800;white-space:nowrap}.stat-illustration{grid-column:2;grid-row:1;justify-self:end;width:88px;height:78px;object-fit:contain;filter:drop-shadow(0 10px 14px rgb(76 42 155 / 12%))}.stat-card-gold a,.stat-card-credit a{color:#9a6200;background:var(--color-gold-soft)}.dashboard-grid{display:grid;grid-template-columns:1.05fr 1fr 1fr 1.1fr;gap:16px}.panel,.lesson-strip,.placeholder-card{border:1px solid var(--color-border);border-radius:24px;background:#fff;box-shadow:var(--shadow-card)}.panel{min-width:0;padding:22px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-block-end:16px}.panel-heading h2{margin:0;font-size:1.08rem;line-height:1.35}.panel-heading a,.panel-heading span{color:var(--color-primary);font-size:.86rem;font-weight:800}.credit-panel{background:linear-gradient(180deg,#fff,#fbf8ff)}.credit-panel .button{width:100%}.credit-meter{height:12px;overflow:hidden;border-radius:999px;background:var(--color-primary-soft)}.credit-meter span{display:block;width:62%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--color-primary),var(--color-gold))}.credit-chart{position:relative;display:grid;width:min(230px,100%);aspect-ratio:1;place-items:center;margin:0 auto 16px;border-radius:50%}.credit-chart:before{position:absolute;inset:14%;content:"";border-radius:50%;background:radial-gradient(circle at 50% 42%,white 0 52%,transparent 53%),linear-gradient(180deg,#fff,#fbf8ff);box-shadow:inset 0 0 0 1px #e8e1f6b8}.credit-chart-svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}.credit-chart-track,.credit-chart-progress{fill:none;stroke-linecap:round;stroke-width:12}.credit-chart-track{stroke:var(--color-primary-soft)}.credit-chart-progress{stroke:url(#creditGradient);filter:drop-shadow(0 8px 10px rgb(109 61 245 / 20%));transition:stroke-dashoffset .22s ease}.credit-chart-label{position:relative;z-index:1;display:grid;gap:2px;text-align:center}.credit-chart-label strong{color:var(--color-ink);font-size:1.55rem;line-height:1}.credit-chart-label span,.credit-chart-label small{color:var(--color-muted);font-size:.82rem}.credit-chart-tooltip{position:absolute;inset-block-start:4px;inset-inline:50% auto;z-index:2;min-width:max-content;padding:7px 10px;border:1px solid var(--color-border);border-radius:999px;color:var(--color-primary-deep);background:#fff;box-shadow:0 12px 24px #4c2a9b1f;font-size:.78rem;font-weight:800;opacity:0;pointer-events:none;transform:translate(50%,-8px);transition:opacity .16s ease,transform .16s ease}.credit-chart:hover .credit-chart-tooltip,.credit-chart:focus-visible .credit-chart-tooltip{opacity:1;transform:translate(50%,-14px)}.credit-details{display:grid;gap:10px;margin:18px 0}.credit-details div{display:flex;justify-content:space-between;gap:12px}.credit-details dt,.credit-details dd{margin:0}.credit-details dt{color:var(--color-muted)}.credit-details dd{font-weight:800}.item-list{display:grid;gap:10px}.dashboard-empty{min-height:58px;display:grid;place-items:center;margin:0;padding:16px;border:1px dashed var(--color-border);border-radius:16px;color:var(--color-muted);text-align:center}.dashboard-state{min-height:420px;display:grid;align-content:center;justify-items:center;gap:10px;text-align:center}.dashboard-state h1,.dashboard-state p{margin:0}.dashboard-state p{color:var(--color-muted)}.activity-item,.review-item{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;padding:12px 13px;border:1px solid var(--color-border);border-radius:16px;background:linear-gradient(180deg,#fff,#fefcff)}.activity-item strong,.activity-item span,.review-item strong,.review-item span{display:block}.activity-item div>span,.review-item div>span{color:var(--color-muted);font-size:.82rem}.status-pill,.review-item>span{padding:6px 10px;border-radius:999px;font-size:.78rem;font-weight:800;white-space:nowrap}.status-success{color:#146b4d;background:#24b47e21}.status-warning,.review-item>span{color:#9a6200;background:var(--color-gold-soft)}.status-danger{color:#9e2d2d;background:#e255551f}.weekly-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-block-end:18px}.weekly-stats div{padding:10px;border-radius:16px;background:#fbf8ff;text-align:center}.weekly-stats strong,.weekly-stats span{display:block}.weekly-stats strong{font-size:1.45rem}.weekly-stats span{color:var(--color-muted);font-size:.78rem}.weekly-chart{position:relative;margin:0;padding:8px 8px 2px;border-radius:18px;background:linear-gradient(180deg,#fff,#fbf8ff)}.weekly-chart svg{display:block;width:100%;height:auto;min-height:150px;overflow:visible}.weekly-chart-gridline{stroke:var(--color-border);stroke-width:1}.weekly-chart-line{fill:none;stroke:url(#weeklyLineGradient);stroke-linecap:round;stroke-linejoin:round;stroke-width:3;filter:drop-shadow(0 4px 5px rgb(109 61 245 / 15%))}.weekly-chart-point{fill:#fff;stroke:var(--color-primary);stroke-width:3;transition:r .16s ease,fill .16s ease}.weekly-chart-point:hover,.weekly-chart-point:focus-visible{r:7;fill:var(--color-gold);outline:none}.weekly-chart-label{fill:var(--color-muted);font-family:inherit;font-size:10px}.weekly-chart-tooltip{position:absolute;inset-block-start:8px;inset-inline-start:12px;color:var(--color-muted);font-size:.72rem}.lesson-strip{padding:20px}.lesson-cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.lesson-card{min-width:0;padding:10px;border:1px solid var(--color-border);border-radius:20px;background:#fff;box-shadow:0 12px 26px #4c2a9b0d}.lesson-art{display:grid;aspect-ratio:1.28;min-height:120px;overflow:hidden;place-items:center;margin-block-end:12px;border-radius:16px;background:linear-gradient(180deg,#fff,#fbf8ff),var(--color-primary-soft)}.lesson-art img{display:block;width:100%;height:100%;object-fit:contain}.lesson-card span{display:inline-block;padding:4px 10px;border-radius:999px;color:var(--color-primary-deep);background:var(--color-primary-soft);font-size:.76rem;font-weight:800}.lesson-card h3{margin:10px 0 4px;font-size:.95rem}.lesson-card p{margin:0;color:var(--color-muted);font-size:.82rem}.placeholder-page{max-width:760px;padding-block-start:52px}.library-page{display:grid;gap:22px;padding-block:12px 40px}.library-heading{display:flex;align-items:end;justify-content:space-between;gap:24px}.library-heading h1{font-size:clamp(2rem,3.5vw,3rem)}.library-heading p:not(.eyebrow){max-width:720px;margin:10px 0 0;color:var(--color-muted)}.library-tabs{display:flex;align-items:center;gap:4px;overflow-x:auto;padding:5px;border:1px solid var(--color-border);border-radius:18px;background:#fff;box-shadow:var(--shadow-card)}.library-tabs a{min-width:max-content;padding:11px 18px;border-radius:13px;color:var(--color-muted);font-weight:800}.library-tabs a[aria-current=page]{color:var(--color-primary-deep);background:var(--color-primary-soft)}.library-tabs span{display:inline-grid;min-width:24px;min-height:24px;place-items:center;margin-inline-start:6px;border-radius:999px;color:var(--color-primary-deep);background:#fff;font-size:.76rem}.reference-notice{display:flex;gap:14px;padding:18px 20px;border:1px solid #ead9a8;border-radius:18px;background:var(--color-gold-soft)}.reference-notice>span{font-size:1.5rem}.reference-notice strong{color:var(--color-ink)}.reference-notice p{margin:3px 0 0;color:var(--color-muted);font-size:.9rem}.library-toolbar{display:grid;grid-template-columns:minmax(240px,1fr) 180px 180px auto;gap:12px;align-items:center}.library-toolbar select,.library-search{min-height:48px;border:1px solid var(--color-border);border-radius:15px;color:var(--color-ink);background:#fff}.library-toolbar select{width:100%;padding:0 14px;font:inherit;font-weight:700}.library-search{display:flex;align-items:center;gap:10px;padding-inline:14px}.library-search span{color:var(--color-primary);font-size:1.4rem}.library-search input{width:100%;border:0;outline:0;color:var(--color-ink);background:transparent;font:inherit}.library-result-count{color:var(--color-muted);font-weight:800;white-space:nowrap}.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.library-lesson-card{overflow:hidden;border:1px solid var(--color-border);border-radius:22px;background:#fff;box-shadow:var(--shadow-card);transition:transform .16s ease,box-shadow .16s ease}.library-lesson-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-strong)}.library-card-art{position:relative;display:grid;aspect-ratio:1.9;overflow:hidden;place-items:center;background:linear-gradient(180deg,#fff,#f6f1ff)}.library-card-art img{width:100%;height:100%;object-fit:contain}.library-status{position:absolute;inset-block-start:12px;inset-inline-start:12px;padding:5px 10px;border-radius:999px;font-size:.74rem;font-weight:800}.library-status-published{color:#146b4d;background:#e7f8f1}.library-status-draft{color:#925c00;background:var(--color-gold-soft)}.library-card-body{padding:18px}.library-origin{color:var(--color-primary);font-size:.78rem;font-weight:800}.library-card-body h2{min-height:2.7em;margin:7px 0 14px;font-size:1.08rem}.library-card-body dl{display:flex;justify-content:space-between;gap:12px;margin:0;padding-block:12px;border-block:1px solid var(--color-border)}.library-card-body dl div{display:flex;gap:5px}.library-card-body dt,.library-card-body dd{margin:0;color:var(--color-muted);font-size:.78rem}.library-card-body dd{color:var(--color-ink);font-weight:800}.library-card-actions{display:grid;grid-template-columns:1fr 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strong{display:block}.slide-thumbnails small{color:var(--color-primary);font-size:.66rem}.slide-thumbnails strong{margin-block-start:4px;font-size:.76rem;line-height:1.35}.presentation-stage-wrap{display:grid;grid-template-rows:minmax(480px,1fr) auto;gap:14px;min-width:0}.presentation-slide{position:relative;display:grid;align-content:center;justify-items:center;overflow:hidden;padding:clamp(28px,5vw,70px);border-radius:24px;text-align:center;background:radial-gradient(circle at 15% 12%,rgb(246 185 64 / 12%),transparent 22%),linear-gradient(145deg,#fff,#fbf8ff)}.presentation-slide:before{position:absolute;inset:24px;content:"";border:1px solid rgb(109 61 245 / 8%);border-radius:20px;pointer-events:none}.presentation-slide-number{position:absolute;inset-block-start:20px;inset-inline-start:20px;padding:6px 11px;border-radius:10px;color:var(--color-primary-deep);background:var(--color-primary-soft);font-size:.78rem;font-weight:800}.presentation-slide h1{max-width:820px;font-size:clamp(2rem,4vw,3.5rem)}.presentation-subtitle{max-width:720px;margin:10px 0 26px;color:var(--color-primary);font-size:clamp(1.05rem,2vw,1.5rem);font-weight:800}.presentation-static-note{position:absolute;inset-block-end:15px;color:var(--color-muted);font-size:.7rem}.presentation-intro-content,.presentation-concept-content,.presentation-activity-content,.presentation-quiz-content{position:relative;z-index:1;width:min(720px,100%);padding:24px;border:1px solid var(--color-border);border-radius:20px;background:#ffffffdb}.presentation-intro-content{display:grid;grid-template-columns:120px 1fr;align-items:center;gap:22px;text-align:start}.presentation-letter{display:grid;width:112px;height:112px;place-items:center;border:3px solid var(--color-gold);border-radius:38% 62% 44% 56%;color:var(--color-primary);background:var(--color-primary-soft);font-size:4rem;font-weight:800}.presentation-intro-content p,.presentation-concept-content p{margin-block-end:0;color:var(--color-muted)}.presentation-rule{margin-block-start:20px;padding:14px;border-radius:14px;color:var(--color-primary-deep);background:var(--color-primary-soft);font-weight:800}.presentation-rule span{margin-inline:9px;color:var(--color-gold)}.presentation-letters{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin-block:18px}.presentation-letters span{display:grid;width:48px;height:48px;place-items:center;border:1px solid #cfc2ef;border-radius:13px;color:var(--color-primary-deep);background:#fff;font-size:1.3rem;font-weight:800}.presentation-activity-content blockquote{margin:0;padding:15px;border:1px solid #f0d48b;border-radius:14px;background:var(--color-gold-soft);font-size:1.3rem}.presentation-quiz-content{display:grid;justify-items:center;gap:18px}.presentation-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%}.presentation-choices button{min-height:52px;border:1px solid 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button{min-height:42px;padding:7px;border:0;border-radius:11px;color:var(--color-muted);background:transparent;font-size:.76rem;font-weight:800}.presentation-tool-tabs button[aria-pressed=true]{color:var(--color-primary-deep);background:var(--color-primary-soft)}.presentation-tool-panel,.presentation-tools-closed{padding:18px}.presentation-tool-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.presentation-tool-heading button{width:30px;height:30px;border:0;border-radius:9px;color:var(--color-primary);background:var(--color-primary-soft);font-size:1.2rem}.presentation-tool-panel p,.presentation-tool-panel li,.presentation-tools-closed p{color:var(--color-muted);font-size:.84rem}.presentation-tool-panel ul{padding-inline-start:20px}.presentation-tool-panel blockquote{margin:14px 0 0;padding:12px;border-inline-start:3px solid var(--color-gold);background:var(--color-gold-soft);font-size:.83rem}.presentation-tools-closed{display:grid;min-height:260px;place-content:center;justify-items:center;text-align:center}.presentation-tools-closed>span{color:var(--color-primary);font-size:2rem}.viewer-load-state{display:grid;min-height:480px;place-content:center;justify-items:center;gap:12px;padding:28px;text-align:center}.viewer-load-state h1,.viewer-load-state p{margin:0}.viewer-load-state p{color:var(--color-muted)}.viewer-error-state>span{display:grid;width:56px;height:56px;place-items:center;border-radius:18px;color:var(--color-danger);background:#e255551a;font-size:1.6rem;font-weight:800}.lesson-json-content{position:relative;z-index:1;display:grid;gap:18px;width:min(820px,100%);max-height:520px;overflow:auto;padding:22px;border:1px solid var(--color-border);border-radius:20px;background:#ffffffe5;text-align:start}.lesson-json-blocks{display:grid;gap:13px}.lesson-json-blocks h2,.lesson-json-blocks p,.lesson-json-blocks ul{margin:0}.lesson-json-blocks h2{color:var(--color-primary-deep);font-size:1.35rem}.lesson-json-blocks p,.lesson-json-blocks li{color:var(--color-ink);line-height:1.9}.lesson-callout{padding:14px 16px;border-inline-start:4px solid var(--color-primary);border-radius:13px;color:var(--color-primary-deep);background:var(--color-primary-soft)}.lesson-callout-source{border-color:var(--color-gold);background:var(--color-gold-soft)}.lesson-callout-warning{border-color:var(--color-danger);color:#8b2f2f;background:#e2555514}.lesson-table-wrap{max-width:100%;overflow-x:auto}.lesson-table-wrap table{width:100%;border-collapse:collapse}.lesson-table-wrap th,.lesson-table-wrap td{padding:10px 12px;border:1px solid var(--color-border);text-align:start}.lesson-table-wrap th{color:var(--color-primary-deep);background:var(--color-primary-soft)}.lesson-quiz-question{margin:0;color:var(--color-ink);font-size:1.1rem;font-weight:800}.presentation-choices 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