:root{--bg: #fdfcf7;--surface: #fffaf0;--surface-low: #f8f1df;--surface-high: #eee4cb;--line: #d9cfb7;--line-strong: #b9ad91;--ink: #211d12;--muted: #625d50;--primary: #4d4631;--primary-soft: #e9dfc1;--blue: #3b6675;--blue-soft: #dcecf1;--green: #2e6f56;--green-soft: #dff3e8;--coral: #a65342;--coral-soft: #f7dfd8;--amber: #956315;--amber-soft: #f7e8bf;--radius: 8px;font-family:Be Vietnam Pro,Plus Jakarta Sans,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-width:1180px;background:radial-gradient(circle at 75% 12%,rgba(59,102,117,.08),transparent 34%),linear-gradient(135deg,#fffaf0,#fdfcf7 48%,#f6edd7)}button,input,textarea,select{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:24px 20px;background:#f8f1dff5;border-right:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;padding-bottom:36px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:var(--radius);color:#fff;background:var(--primary)}.brand-mark.large{width:64px;height:64px;flex:0 0 auto}.brand strong,.profile-card strong{display:block;font-size:20px;line-height:1.2}.brand small,.profile-card span,.muted,.book-card span,.library-body p,.stat-card p,.stat-card small,.crumb,.timeline-step small,.field span,.feedback-record p,.doc-article .muted{color:var(--muted)}.nav-list{display:grid;gap:6px}.nav-item{position:relative;display:flex;align-items:center;gap:14px;width:100%;min-height:46px;padding:0 16px;border:0;border-radius:var(--radius);color:var(--muted);background:transparent;text-align:left}.nav-item:hover{background:#e9dfc19e}.nav-item.active{color:var(--primary);background:var(--primary-soft);font-weight:800}.nav-item.active:before{content:"";position:absolute;left:-20px;width:4px;height:26px;border-radius:0 4px 4px 0;background:var(--primary)}.profile-card{display:flex;align-items:center;gap:12px;margin-top:auto;padding:14px;border-radius:var(--radius);background:#efe5c6}.profile-card img{width:42px;height:42px;border-radius:50%;object-fit:cover}.workspace{min-width:0}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:14px 36px;background:#fdfcf7eb;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.topbar h1{margin:0;font-size:24px}.crumb{margin:0 0 4px;font-size:12px}.top-actions,.button-row,.chip-row,.meta-row,.section-head,.reader-top,.reader-control,.order-line,.toggle-row{display:flex;align-items:center}.top-actions,.button-row,.chip-row{gap:10px;flex-wrap:wrap}.section-head,.reader-top,.reader-control,.order-line,.toggle-row{justify-content:space-between;gap:16px}.search-box{display:flex;align-items:center;gap:9px;width:320px;min-height:40px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--muted)}.search-box.compact{width:280px}.search-box input,.field input,.field select,.textarea{width:100%;border:0;outline:0;background:transparent;color:var(--ink)}.field input,.field select,.textarea{min-height:42px;margin-top:8px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.textarea{min-height:118px;padding:12px;resize:vertical}.primary-button,.secondary-button,.text-button,.icon-button,.points-pill,.chip,.circle-action,.icon-lite{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border-radius:var(--radius);font-weight:800}.primary-button{padding:0 18px;color:#fff;border:1px solid var(--primary);background:var(--primary)}.secondary-button{padding:0 16px;color:var(--primary);border:1px solid var(--line-strong);background:#fffaf0}.danger-button{color:var(--coral);border-color:#a6534266;background:var(--coral-soft)}.text-button{padding:0;min-height:auto;border:0;color:var(--primary);background:transparent}.icon-button,.icon-lite{width:40px;padding:0;border:1px solid var(--line);color:var(--primary);background:#fff}.icon-button{position:relative}.icon-button span{position:absolute;top:8px;right:8px;width:7px;height:7px;border-radius:999px;background:var(--coral)}.points-pill{padding:0 14px;border:1px solid var(--line-strong);color:var(--primary);background:var(--surface-low)}.primary-button:hover,.secondary-button:hover,.book-card:hover,.library-card:hover{transform:translateY(-1px)}.full{width:100%}.page-content{padding:28px 36px 56px}.api-banner{margin-bottom:18px;padding:12px 16px;border:1px solid rgba(198,130,54,.28);border-radius:8px;background:#fff7e8;color:#855b24;font-size:14px}.surface-card,.hero-panel,.toolbar-card,.stat-card,.library-card,.pack-card,.payment-success{border:1px solid var(--line);border-radius:var(--radius);background:#fffaf0eb}.surface-card,.toolbar-card,.stat-card,.pack-card,.payment-success{padding:24px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px}.hero-panel{position:relative;min-height:300px;display:flex;justify-content:space-between;gap:32px;padding:64px 44px;overflow:hidden}.hero-panel h2,.membership-hero h2,.payment-success h2{margin:8px 0 12px;font-size:42px;line-height:1.15}.hero-panel p,.membership-hero p{max-width:620px;font-size:17px;line-height:1.65;color:var(--muted)}.hero-shape{align-self:flex-end;display:grid;place-items:center;width:150px;height:120px;color:var(--primary);border-radius:40px 40px 0;background:linear-gradient(135deg,var(--primary-soft),var(--blue-soft))}.eyebrow{display:inline-flex;margin-bottom:8px;font-size:12px;font-weight:900;color:var(--primary);text-transform:uppercase}.right-stack,.stack-page,.form-card,.preview-card,.export-options,.pay-card,.order-card,.feedback-form,.doc-toc,.side-panel{display:grid;gap:24px;align-content:start}.recent-card{grid-column:1}.task-card{grid-column:2;grid-row:2}.book-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.book-card{position:relative;display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-align:left}.book-card img{width:100%;aspect-ratio:4 / 5;object-fit:cover;border-radius:6px}.status-badge{display:inline-flex;width:max-content;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:900}.book-card .status-badge,.cover-button .status-badge{position:absolute;top:20px;right:20px}.success{color:var(--green);background:var(--green-soft)}.warning{color:var(--amber);background:var(--amber-soft)}.danger{color:var(--coral);background:var(--coral-soft)}.dark-card{color:#fff;background:var(--primary)}.dark-card p{color:#ffffffc7}.circle-action{width:46px;border:0;color:var(--primary);background:#fff}.stat-card{display:grid;gap:8px}.stat-card strong{font-size:36px}.stat-icon{width:42px;height:42px;display:grid;place-items:center;color:var(--primary);border-radius:var(--radius);background:var(--primary-soft)}.progress{margin:8px 0;height:8px;overflow:hidden;border-radius:999px;background:#e8dcc5}.progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--blue))}.toolbar-card{display:flex;justify-content:space-between;gap:16px}.segmented{display:flex;gap:8px}.segmented button,.chip{padding:0 14px;border:1px solid var(--line);color:var(--muted);background:#fff}.segmented .active,.chip.active{color:#fff;border-color:var(--primary);background:var(--primary)}.library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.empty-card{grid-column:1 / -1;padding:34px;text-align:center}.library-card{display:grid;grid-template-columns:210px minmax(0,1fr);overflow:hidden}.cover-button{position:relative;border:0;padding:0;background:transparent}.cover-button img{width:100%;height:100%;min-height:260px;object-fit:cover}.library-body{display:grid;gap:12px;padding:22px}.library-body h3{margin:0;font-size:22px}.meta-row{gap:8px;flex-wrap:wrap}.meta-row span{padding:5px 8px;border-radius:999px;color:var(--muted);background:var(--surface-low);font-size:12px}.create-layout,.detail-layout,.export-layout,.payment-layout,.feedback-layout,.docs-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px}.progress-header{display:flex;justify-content:space-between;margin-bottom:12px}.form-section{display:grid;gap:16px;padding-top:26px}.form-section h2{display:flex;align-items:center;gap:12px;margin:0}.form-section h2 span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;color:#fff;background:var(--primary);font-size:14px}.choice-grid{display:grid;gap:14px}.choice-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.choice-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.choice-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.choice{display:grid;gap:8px;min-height:116px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);background:#fff}.choice svg{color:var(--primary)}.choice.active{border:2px solid var(--primary);background:var(--primary-soft)}.choice.disabled{opacity:.5}.choice small{color:var(--muted);line-height:1.45}.preview-book{display:grid;place-items:center;min-height:220px;border-radius:var(--radius);color:var(--primary);background:linear-gradient(135deg,var(--primary-soft),var(--blue-soft))}.quote{color:var(--muted);font-style:italic;line-height:1.6}.cost-box{display:flex;justify-content:space-between;padding:18px;border-radius:var(--radius);background:var(--surface-low)}.generation-page{display:grid;justify-items:center;gap:22px;max-width:860px;margin:0 auto;padding-top:30px;text-align:center}.magic-orb{display:grid;place-items:center;width:118px;height:118px;border:6px solid #fff;border-radius:30px;color:var(--primary);background:var(--primary-soft);box-shadow:0 20px 50px #4d463129}.generation-page h2{margin:0;font-size:30px}.generation-page>p{max-width:600px;color:var(--muted)}.timeline-card{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:12px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.timeline-step{display:flex;align-items:center;gap:12px;text-align:left}.timeline-step span{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;color:var(--muted);background:var(--surface-low)}.timeline-step.completed span,.timeline-step.active span{color:#fff;background:var(--primary)}.error-preview{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;width:100%;padding:18px;border:1px solid rgba(166,83,66,.35);border-radius:var(--radius);color:var(--coral);background:var(--coral-soft);text-align:left}.detail-layout{grid-template-columns:minmax(0,1fr) 320px}.detail-hero{grid-column:1 / 3;display:grid;grid-template-columns:280px minmax(0,1fr);gap:30px}.detail-hero>img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius)}.detail-hero h2{margin:12px 0;font-size:32px}.action-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:24px}.span-2{grid-column:span 2}.page-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.page-thumb{position:relative}.page-thumb img{width:100%;aspect-ratio:4 / 5;object-fit:cover;border-radius:var(--radius)}.page-thumb span{position:absolute;left:10px;bottom:10px;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;color:#fff;background:#211d12b8}.meter,.record{display:grid;gap:8px}.meter div,.record{display:flex;align-items:center;justify-content:space-between;gap:12px}.record{justify-content:flex-start;padding:12px 0;border-bottom:1px solid var(--line)}.record svg{color:var(--green)}.record span{display:block;color:var(--muted)}.reader-page{position:relative;display:grid;gap:22px}.reader-stage{display:grid;grid-template-columns:56px minmax(0,1fr) 56px;align-items:center;gap:20px}.turn-button{display:grid;place-items:center;width:56px;height:56px;border:1px solid var(--line);border-radius:50%;color:var(--primary);background:#fff}.book-spread{display:grid;grid-template-columns:1fr 1fr;min-height:560px;overflow:hidden;border:1px solid var(--line-strong);border-radius:12px;background:#fff;box-shadow:0 20px 55px #4d463129}.book-page{padding:36px}.book-page.illustration{padding:0}.book-page.illustration img{width:100%;height:100%;object-fit:cover}.text-page{display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,#fffaf0,#f7edd6)}.text-page h3{font-size:30px}.text-page p{font-size:20px;line-height:1.9}.reader-tools{position:absolute;top:92px;right:24px;display:grid;gap:10px;width:138px}.reader-edit{width:138px;min-height:112px;resize:vertical;border:1px solid var(--line);border-radius:var(--radius);padding:10px;color:var(--text);background:#fffaf0f2;font:inherit}.reader-tools button{display:grid;place-items:center;width:78px;min-height:72px;border:1px solid var(--line);border-radius:var(--radius);color:var(--primary);background:#fffaf0eb;font-size:12px}.reader-tools span{font-size:10px;color:var(--muted)}.rewrite-card{grid-column:1 / 2}.reader-control{max-width:820px;margin:0 auto;padding:14px 22px;border:1px solid var(--line);border-radius:999px;background:#f8f1dfeb}.reader-control>div{width:340px;text-align:center}.export-layout{grid-template-columns:420px minmax(0,1fr)}.poster{position:relative;overflow:hidden;border-radius:var(--radius);color:#fff;background:var(--primary)}.poster img{width:100%;aspect-ratio:4 / 5;object-fit:cover;filter:brightness(.82)}.poster div:not(.qr-box){position:absolute;left:24px;bottom:24px}.qr-box{position:absolute;right:24px;bottom:24px;display:grid;place-items:center;width:72px;height:72px;border-radius:var(--radius);color:var(--primary);background:#fff}.export-task{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.export-url{margin:14px 0 0;padding:10px 12px;border-radius:8px;background:#f7edd6;color:var(--muted);font-size:13px;word-break:break-all}.about-layout{display:grid;gap:20px}.about-hero{display:flex;align-items:flex-start;gap:18px}.about-hero p{max-width:760px}.file-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:var(--radius);color:var(--green);background:var(--green-soft)}.membership-hero{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;padding:34px;border-radius:var(--radius);color:#fff;background:linear-gradient(135deg,var(--primary),#3b6675)}.rules-card{display:grid;grid-template-columns:1fr 1fr;gap:10px}.rules-card p{margin:0;padding:12px;border-radius:var(--radius);color:#fff;background:#ffffff21}.pack-grid,.stat-grid{display:grid;gap:24px}.pack-grid,.stat-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.pack-card{position:relative;display:grid;gap:12px}.pack-card.recommended{border:2px solid var(--primary)}.pack-card h3{font-size:28px}.pack-card strong,.price{font-size:38px;color:var(--primary)}.tag{position:absolute;top:14px;right:14px;padding:4px 8px;border-radius:999px;color:#fff;background:var(--blue);font-size:12px;font-weight:900}.payment-layout{max-width:980px}.order-line{padding:14px 0;border-bottom:1px solid var(--line)}.order-line.total{border-bottom:0}.qr-pay{display:grid;justify-items:center;gap:14px;padding:24px}.qr-pattern{display:grid;place-items:center;width:210px;height:210px;border:14px solid #fff;border-radius:var(--radius);color:var(--primary);background-image:radial-gradient(var(--primary) 1px,transparent 1px);background-size:12px 12px;box-shadow:inset 0 0 0 999px #fffaf0b8;font-weight:900}.payment-success{display:grid;justify-items:center;gap:18px;max-width:560px;margin:40px auto;text-align:center}.payment-success svg{color:var(--green)}.receipt{display:grid;grid-template-columns:1fr auto;gap:12px 28px;width:100%;padding:20px;border-radius:var(--radius);background:var(--surface-low);text-align:left}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:16px;border-bottom:1px solid var(--line);text-align:left}.data-table th{color:var(--primary);background:var(--surface-low)}.positive{color:var(--green);font-weight:900}.negative{color:var(--coral);font-weight:900}.info-band{display:flex;gap:16px}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.account-card{grid-column:1 / 3}.toggle-row{min-height:50px;border-bottom:1px solid var(--line)}.toggle-row input{width:42px;height:22px;accent-color:var(--primary)}.field{display:grid;gap:4px}.feedback-layout{grid-template-columns:minmax(0,1fr) 380px}.feedback-record{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}.docs-layout{grid-template-columns:minmax(0,820px) 300px;align-items:start}.doc-article{line-height:1.78}.doc-article h2{font-size:38px}.doc-article h3{margin-top:32px;color:var(--primary)}.doc-toc{position:sticky;top:100px}.doc-toc a{color:var(--muted)}.doc-link{border:0;padding:0;color:var(--muted);background:transparent;text-align:left;font:inherit}.doc-link.active{color:var(--primary);font-weight:800}@media(max-width:1240px){body{min-width:980px}.app-shell{grid-template-columns:220px minmax(0,1fr)}.sidebar{padding-inline:14px}.dashboard-grid,.create-layout,.detail-layout,.export-layout,.payment-layout,.feedback-layout,.docs-layout{grid-template-columns:1fr}.right-stack,.task-card,.recent-card,.detail-hero,.side-panel,.account-card{grid-column:auto}.detail-hero{grid-template-columns:240px minmax(0,1fr)}}@media(max-width:900px){body{min-width:0}.app-shell{display:block}.sidebar{position:static;height:auto;padding:16px;border-right:0;border-bottom:1px solid var(--line)}.brand{padding-bottom:14px}.nav-list{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-card{margin-top:14px}.topbar{position:static;align-items:flex-start;flex-direction:column;padding:16px}.top-actions,.search-box{width:100%}.page-content{padding:16px}.dashboard-grid,.book-strip,.library-grid,.stat-grid,.pack-grid,.settings-grid,.reader-stage,.reader-control,.detail-hero,.action-grid,.page-grid,.choice-grid.two,.choice-grid.three,.choice-grid.four{grid-template-columns:1fr}.detail-hero>img{height:auto;aspect-ratio:4 / 3}.reader-stage,.reader-control,.about-hero{display:grid}}