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button{min-height:0;display:grid;grid-template-columns:24px minmax(0,1fr);align-content:start;gap:5px 10px;border:1px solid var(--outline);border-radius:8px;background:var(--surface-soft);color:var(--text);padding:14px 12px;text-align:left}.book-format-selector button.active{border-color:var(--primary-strong);box-shadow:0 0 0 3px #7b1e3a1a;background:#fff}.book-format-selector svg{grid-row:1 / 4;color:var(--primary-strong);margin-top:2px}.book-format-selector span{min-width:0;font-weight:900;line-height:1.2}.book-format-selector small{grid-column:2;color:var(--text-muted);font-size:.8rem;line-height:1.25;white-space:normal}.book-format-selector strong{color:var(--secondary)}.book-format-selector .dual-price{grid-column:2;min-width:0;margin-top:2px;overflow-wrap:anywhere}.book-format-selector .dual-price small{grid-column:auto;font-size:.72rem;line-height:1.15;white-space:normal}.book-shipping-fields{margin-top:4px;padding-top:4px}.book-checkout-total{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0;margin:6px 0;border-top:1px solid var(--outline)}.book-checkout-total span{color:var(--text-muted);font-weight:800}.book-checkout-total strong{color:var(--primary);font-size:1.35rem}.notice{border-radius:8px;padding:12px 14px;margin-top:16px;line-height:1.5;font-weight:700}.notice.success{background:#2f6f521f;color:var(--success);border:1px solid rgba(47,111,82,.24)}.notice.error{background:#ba1a1a1a;color:var(--danger);border:1px solid rgba(186,26,26,.22)}.auth-required-notice{display:grid;gap:10px;background:#7b1e3a14;color:var(--primary-strong);border:1px solid rgba(123,30,58,.22)}.auth-required-notice span{color:var(--text-muted);font-weight:700}.auth-required-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:2px}.auth-page{min-height:calc(100vh - 222px);display:grid;place-items:center;padding:58px 16px;background:linear-gradient(180deg,var(--surface-soft),var(--background))}.auth-panel{width:min(100%,460px);padding:30px}.auth-panel h1{font-size:2rem;line-height:1.2;margin-bottom:22px}.auth-switch{margin-top:18px;color:var(--text-muted);text-align:center}.auth-switch a{color:var(--primary-strong);font-weight:800}.checkout-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}.checkout-main h1,.empty-state h1,.dashboard-heading h1{font-size:clamp(2rem,5vw,3.35rem);line-height:1.15;margin-bottom:10px}.checkout-main>p,.empty-state p,.dashboard-heading p{color:var(--text-muted);line-height:1.7;margin-bottom:22px}.cart-line{display:grid;grid-template-columns:108px minmax(0,1fr) auto 44px;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid rgba(219,192,195,.64)}.cart-line img{width:108px;height:82px;object-fit:cover;border-radius:8px}.cart-line span,.admin-course-row span,.my-course span{color:var(--primary-strong);font-weight:800;font-size:.78rem;text-transform:uppercase}.cart-line h2{font-size:1.12rem;margin:4px 0}.cart-line p{color:var(--text-muted)}.billing-form{margin-top:28px;padding:24px;border-radius:8px;border:1px solid var(--outline);background:var(--surface)}.shipping-panel{display:grid;gap:14px;margin-top:20px;padding-top:20px;border-top:1px solid var(--outline)}.billing-form h2,.order-summary h2{font-size:1.35rem;margin-bottom:18px}.payment-method-panel{display:grid;gap:10px}.payment-method-panel h2{margin:4px 0 6px}.payment-method-option{display:grid;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:12px;min-height:74px;padding:14px;border:1px solid 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var(--outline);color:var(--text);font-size:1.2rem}.checkout-success{display:flex;justify-content:space-between;align-items:center;gap:12px}.checkout-success a{color:var(--success);text-decoration:underline}.empty-state{min-height:420px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.dashboard-heading{max-width:760px;margin-bottom:28px}.account-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:24px}.account-summary div{border:1px solid rgba(219,192,195,.64);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-soft);padding:18px}.account-summary span{color:var(--text-muted);font-weight:800}.account-summary strong{display:block;margin-top:6px;color:var(--primary);font-size:1.55rem}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:24px}.dashboard-panel{padding:24px}.soft-empty{color:var(--text-muted);line-height:1.6}.my-course-list,.purchase-list,.admin-list{display:grid;gap:12px}.my-course{display:grid;grid-template-columns:112px minmax(0,1fr);gap:14px;padding:12px;border-radius:8px;border:1px solid rgba(219,192,195,.58);background:var(--surface-soft)}.my-course.enhanced{display:block;padding:0;overflow:hidden;background:#fff}.course-learning-header{display:grid;grid-template-columns:112px minmax(0,1fr) auto;align-items:center;gap:16px;padding:16px 18px;border-bottom:1px solid rgba(219,192,195,.58);background:linear-gradient(100deg,#ffd9df57,#fff 58%)}.course-learning-header img{width:112px;height:78px;border-radius:8px}.course-learning-header h3{margin:5px 0;font-size:1.22rem}.course-learning-header p{color:var(--text-muted)}.course-learning-body{padding:16px 18px 18px}.course-progress-score{min-width:92px;padding:11px 14px;border-radius:8px;background:#fff;border:1px solid rgba(219,192,195,.72);text-align:center}.course-progress-score strong,.course-progress-score span{display:block}.course-progress-score strong{color:var(--primary-strong);font-size:1.45rem}.course-progress-score span{margin-top:2px;color:var(--text-muted);font-size:.72rem;font-weight:800;text-transform:uppercase}.my-course img{height:92px;width:112px;object-fit:cover;border-radius:8px}.my-course h3{font-size:1.04rem;margin:4px 0}.my-course p,.my-course a{color:var(--text-muted)}.my-course a{display:inline-block;margin-top:8px;color:var(--primary-strong);font-weight:800}.my-course-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.my-course-actions .button{margin-top:0}.progress-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:10px;color:var(--text-muted)}.progress-meta strong{color:var(--primary-strong)}.progress-meta small{color:var(--text-muted);font-weight:700}.progress-track{height:9px;overflow:hidden;border-radius:999px;background:var(--surface-muted);margin-top:8px}.progress-track span{display:block;height:100%;min-width:0;border-radius:inherit;background:linear-gradient(90deg,var(--primary-strong),var(--secondary-soft))}.lesson-workspace{display:grid;grid-template-columns:minmax(230px,.72fr) minmax(0,1.45fr);gap:16px;margin-top:18px}.lesson-picker,.lesson-reader{border:1px solid rgba(219,192,195,.58);border-radius:8px;background:var(--surface-soft);padding:12px}.lesson-picker{display:grid;gap:12px;align-content:start;max-height:680px;overflow-y:auto}.lesson-picker strong{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px;color:var(--primary);font-size:.9rem}.lesson-picker strong small{color:var(--sage);font-size:.74rem}.lesson-picker button{width:100%;min-height:38px;display:grid;grid-template-columns:18px minmax(0,1fr) auto;align-items:center;gap:8px;border:1px solid rgba(219,192,195,.58);border-radius:8px;background:#fff;color:var(--text-muted);padding:8px 10px;text-align:left;font-weight:800}.lesson-picker button+button{margin-top:6px}.lesson-picker button.active{border-color:var(--primary-strong);box-shadow:0 0 0 3px #7b1e3a1a;color:var(--text)}.lesson-picker button span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:inherit;font-size:.9rem;text-transform:none}.lesson-picker button small{color:var(--sage);font-size:.78rem;white-space:nowrap}.lesson-picker svg.done{color:var(--success);fill:#2f6f522e}.lesson-reader{background:#fff;min-width:0}.lesson-reader-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.lesson-reader-heading span{display:inline-flex;align-items:center;gap:6px;color:var(--primary-strong);font-size:.78rem;font-weight:900;text-transform:uppercase}.lesson-reader-heading h4{margin:8px 0 10px;font-size:1.2rem}.lesson-reader-heading .lesson-status{flex:0 0 auto;border-radius:999px;padding:6px 10px;background:var(--surface-soft);color:var(--text-muted);font-size:.72rem;font-weight:900;text-transform:none}.lesson-reader-heading .lesson-status.done{background:#2f6f521f;color:var(--success)}.lesson-reader h5{margin:14px 0 8px;font-size:.96rem}.lesson-reader p{color:var(--text-muted);line-height:1.65;margin-bottom:10px}.lesson-video{width:100%;aspect-ratio:16 / 9;overflow:hidden;border-radius:8px;border:1px solid rgba(219,192,195,.58);background:#000;margin:10px 0 14px}.lesson-video iframe{width:100%;height:100%;border:0}.lesson-video video{width:100%;height:100%;display:block;background:#000}.lesson-video-state{min-height:100%;display:grid;place-items:center;padding:18px;color:#fff;text-align:center;font-weight:800}.protected-media-note{display:flex;align-items:flex-start;gap:7px;margin-top:12px;color:var(--sage)!important;font-size:.78rem;line-height:1.35;font-weight:800;overflow-wrap:anywhere}.protected-media-note svg{flex:0 0 auto;margin-top:1px}.lesson-navigation{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-top:18px;padding-top:14px;border-top:1px solid rgba(219,192,195,.58)}.certificate-ready{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;margin-top:16px;padding:14px;border:1px solid rgba(196,154,69,.46);border-radius:8px;background:#ffd48829;color:var(--primary)}.certificate-ready>svg{color:var(--secondary)}.certificate-ready strong,.certificate-ready span{display:block}.certificate-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;padding:22px;background:#1b1c1cb8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.certificate-modal-panel{width:min(1120px,100%);height:min(820px,calc(100vh - 44px));display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;border-radius:8px;background:#fff;box-shadow:0 24px 70px #1b1c1c52}.certificate-modal-panel header{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;border-bottom:1px solid rgba(219,192,195,.58)}.certificate-modal-panel header span,.certificate-modal-panel header strong{display:block}.certificate-modal-panel header span{color:var(--primary-strong);font-size:.74rem;font-weight:900;text-transform:uppercase}.certificate-modal-panel header strong{margin-top:3px}.certificate-modal-actions{display:flex;align-items:center;gap:8px}.certificate-modal-panel iframe{width:100%;height:100%;border:0;background:var(--surface-soft)}.certificate-ready span{margin-top:3px;color:var(--text-muted);font-size:.82rem}.lesson-resource{width:fit-content;margin:4px 0 12px}.digital-library-panel{grid-column:1 / 2}.digital-book-list{display:grid;gap:14px}.digital-book-row{display:grid;grid-template-columns:112px minmax(0,1fr);gap:14px;padding:14px;border:1px solid rgba(219,192,195,.58);border-radius:8px;background:#fff}.digital-book-row>img{width:112px;height:150px;border-radius:8px;object-fit:cover;background:var(--surface-soft)}.digital-book-row span{color:var(--primary-strong);font-weight:800;font-size:.78rem;text-transform:uppercase}.digital-book-row h3{font-size:1.08rem;margin:4px 0}.digital-book-row p{color:var(--text-muted)}.audiobook-player{width:min(100%,560px);margin-top:12px}.book-reader-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;width:100vw;height:100vh;height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr);background:#272322}.book-reader-modal-bar{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 16px;border-bottom:1px solid rgba(219,192,195,.58);background:#fff}.book-reader-modal-title{min-width:0}.book-reader-modal-title span{display:inline-flex;align-items:center;gap:7px;color:var(--primary-strong);font-size:.7rem;font-weight:900;text-transform:uppercase}.book-reader-modal-title h2{overflow:hidden;margin:3px 0 0;font-size:1.12rem;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.book-reader-modal-title p{overflow:hidden;margin:2px 0 0;color:var(--text-muted);font-size:.78rem;text-overflow:ellipsis;white-space:nowrap}.book-reader-modal-actions{display:flex;flex:0 0 auto;align-items:center;gap:8px}.book-reader-modal-actions small{color:var(--text-muted);font-size:.75rem}.book-reader-modal-content{min-width:0;min-height:0;overflow:hidden;background:#272322}.book-reader-modal-content iframe{display:block;width:100%;height:100%;border:0;background:#fff}.purchase-row,.purchase-admin-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border:1px solid rgba(219,192,195,.58);border-radius:8px;background:var(--surface-soft)}.purchase-row span,.purchase-admin-row span{color:var(--text-muted);display:flex;align-items:center;gap:5px;margin-top:5px}.status{display:inline-flex;min-height:24px;align-items:center;justify-content:center;padding:0 8px;border-radius:999px;font-size:.72rem;font-weight:900}.status.pending{background:#ffd48861;color:var(--secondary)}.status.paid{background:#2f6f521f;color:var(--success)}.status.canceled{background:#ba1a1a1a;color:var(--danger)}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.admin-stats div{border-radius:8px;border:1px solid var(--outline);background:var(--surface);padding:18px}.admin-stats span{color:var(--text-muted);font-weight:800}.admin-stats strong{display:block;margin-top:6px;font-size:1.8rem;color:var(--primary)}.admin-layout{display:grid;grid-template-columns:420px minmax(0,1fr);gap:24px;align-items:start}.admin-form,.admin-panel{padding:24px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.checkbox-field{min-height:46px;flex-direction:row;align-items:center;margin-top:24px}.checkbox-field input{width:18px;height:18px}.admin-course-row{display:grid;grid-template-columns:78px minmax(0,1fr) auto;gap:12px;align-items:center;border:1px solid rgba(219,192,195,.58);border-radius:8px;padding:12px;background:var(--surface-soft)}.admin-course-row img{width:78px;height:58px;object-fit:cover;border-radius:8px}.admin-course-row strong{display:block;margin:4px 0}.admin-course-row small{color:var(--text-muted)}.row-actions{display:flex;gap:6px}.admin-panel h2:not(:first-child){margin-top:28px}.admin-console{width:min(100% - 32px,1400px)}.admin-hero{display:grid;grid-template-columns:minmax(0,1fr) 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rgba(219,192,195,.64);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-soft)}.admin-sidebar{position:sticky;top:96px;padding:18px}.admin-toolbar{display:grid;gap:10px;margin-bottom:14px}.admin-toolbar select,.admin-search input{min-height:42px;border:1px solid var(--outline);border-radius:8px;background:var(--surface-soft);color:var(--text);padding:0 12px}.admin-search input{padding-left:38px}.admin-course-list,.category-list{display:grid;gap:10px;max-height:calc(100vh - 250px);overflow:auto;padding-right:4px}.admin-course-card{position:relative;border:1px solid rgba(219,192,195,.62);border-radius:8px;background:var(--surface-soft);overflow:hidden;transition:border .16s ease,box-shadow .16s ease,background .16s ease}.admin-course-card.active{border-color:var(--primary-strong);box-shadow:0 0 0 3px #7b1e3a1a;background:#fff}.admin-course-card>button{width:100%;display:grid;grid-template-columns:84px minmax(0,1fr);gap:12px;border:0;background:transparent;color:inherit;text-align:left;padding:10px 52px 10px 10px}.admin-course-card img{grid-row:1 / 4;width:84px;height:72px;border-radius:8px;object-fit:cover}.admin-course-card strong,.category-row strong{display:block;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-course-card small,.category-row small{color:var(--text-muted);line-height:1.4}.course-status-pill{width:fit-content;min-height:24px;display:inline-flex;align-items:center;border-radius:999px;padding:0 9px;font-size:.72rem;font-weight:900;text-transform:uppercase}.course-status-pill.published{background:#2f6f521f;color:var(--success)}.course-status-pill.draft{background:#ffd48861;color:var(--secondary)}.course-status-pill.archived{background:#5542451f;color:var(--text-muted)}.mini-actions{position:absolute;top:8px;right:8px;display:flex;gap:4px}.mini-actions button{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(219,192,195,.74);border-radius:8px;background:#ffffffd6;color:var(--primary)}.admin-editor{padding:24px}.admin-editor-header,.section-title-row,.admin-save-bar,.module-header{display:flex;align-items:center;justify-content:space-between;gap:14px}.admin-editor-header{padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid rgba(219,192,195,.58)}.admin-editor-header h2{margin-top:8px;font-size:clamp(1.55rem,3vw,2.25rem)}.admin-editor h3{display:flex;align-items:center;gap:8px;font-size:1.08rem;margin-bottom:16px}.admin-editor-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:24px}.admin-image-preview{height:220px;border:1px solid rgba(219,192,195,.64);border-radius:8px;overflow:hidden;margin-bottom:16px;background:var(--surface-soft)}.admin-image-preview img{width:100%;height:100%;object-fit:cover}.book-cover-preview{height:280px}.book-cover-preview img{object-fit:cover}.upload-drop{min-height:82px;display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;align-items:center;margin-bottom:16px;padding:14px;border:1px dashed rgba(123,30,58,.42);border-radius:8px;background:#ffd9df42;color:var(--primary-strong);cursor:pointer;transition:border .16s ease,background .16s ease}.upload-drop:hover{border-color:var(--primary-strong);background:#ffd9df61}.upload-drop span{display:grid;gap:3px}.upload-drop small{color:var(--text-muted);font-weight:700}.upload-drop input{position:absolute;inline-size:1px;block-size:1px;opacity:0;pointer-events:none}.toggle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.switch-field{min-height:46px;display:flex;align-items:center;gap:10px;border:1px solid rgba(219,192,195,.64);border-radius:8px;background:var(--surface-soft);padding:0 12px;color:var(--text);font-weight:800}.switch-field.standalone{margin-top:24px}.switch-field input{width:18px;height:18px;accent-color:var(--primary-strong)}.admin-editor-section{margin-top:24px;padding-top:22px;border-top:1px solid rgba(219,192,195,.58)}.module-builder{display:grid;gap:14px}.module-card{border:1px solid rgba(219,192,195,.64);border-radius:8px;background:var(--surface-soft);padding:16px}.module-header{margin-bottom:14px}.lesson-list{display:grid;gap:10px;margin-bottom:12px}.lesson-row{display:grid;grid-template-columns:minmax(180px,1fr) 88px 94px 40px;gap:8px;align-items:center;border:1px solid rgba(219,192,195,.55);border-radius:8px;background:#fff;padding:10px}.lesson-row input,.lesson-row textarea{border:1px solid rgba(219,192,195,.78);border-radius:8px;background:var(--surface-soft);padding:10px;min-width:0}.lesson-row label{display:flex;align-items:center;gap:6px;color:var(--text-muted);font-size:.82rem;font-weight:800}.lesson-row textarea{grid-column:1 / 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