:root{--bg: #f7f6f1;--bg-soft: #f0eee7;--surface: #ffffff;--surface-2: #fbfaf6;--ink: #111820;--ink-2: #2c3742;--muted: #68737f;--faint: #8d97a2;--line: #e4e1d8;--line-strong: #d3cfc3;--accent: #0f766e;--accent-strong: #0b5d57;--accent-soft: #e3f3f0;--indigo: #4338ca;--gold: #b45309;--rose: #be185d;--danger: #b91c1c;--radius-sm: 10px;--radius: 16px;--radius-lg: 24px;--shadow-xs: 0 1px 2px rgba(17, 24, 32, .06);--shadow-sm: 0 2px 10px rgba(17, 24, 32, .06);--shadow-md: 0 12px 34px -16px rgba(17, 24, 32, .28);--shadow-lg: 0 30px 70px -30px rgba(17, 24, 32, .35);--font-sans: "IBM Plex Sans Thai", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif: "IBM Plex Serif", "IBM Plex Sans Thai", Georgia, serif;--header-height: 72px;--maxw: 1240px;color-scheme:light}[data-theme=dark]{--bg: #090e14;--bg-soft: #0d141d;--surface: #111a24;--surface-2: #0e161f;--ink: #eff4f8;--ink-2: #d4dee7;--muted: #93a2b2;--faint: #74828f;--line: #22303c;--line-strong: #2d3c4a;--accent: #2dd4bf;--accent-strong: #5eead4;--accent-soft: #0e2b29;--indigo: #a5b4fc;--gold: #fbbf24;--rose: #f472b6;--danger: #f87171;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .4);--shadow-sm: 0 2px 12px rgba(0, 0, 0, .35);--shadow-md: 0 18px 40px -20px rgba(0, 0, 0, .7);--shadow-lg: 0 40px 80px -30px rgba(0, 0, 0, .8);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}h1,h2,h3,h4,h5{margin:0;font-weight:600;line-height:1.3;letter-spacing:-.015em;color:var(--ink)}p{margin:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;color:inherit;cursor:pointer}input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid 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var(--line)}.suggest-label{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--faint);margin-bottom:6px;font-weight:600}.suggest-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px;border-radius:10px;border:0;background:none;text-align:left}.suggest-item:hover{background:var(--bg-soft)}.suggest-cover{width:34px;height:46px;border-radius:5px;overflow:hidden;background:var(--bg-soft);display:grid;place-items:center;flex-shrink:0}.suggest-cover img{width:100%;height:100%;object-fit:cover}.suggest-item strong{display:block;font-size:.86rem;font-weight:500;line-height:1.4}.suggest-item small{color:var(--muted);font-size:.74rem}.suggest-item>svg{margin-left:auto;color:var(--faint);flex-shrink:0}.suggest-chips{display:flex;flex-wrap:wrap;gap:6px}.suggest-empty{padding:10px;font-size:.85rem;color:var(--muted)}.hero{position:relative;overflow:hidden;padding:64px 0 88px;background:radial-gradient(1200px 600px at 85% -10%,color-mix(in 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16px;box-shadow:var(--shadow-md);display:flex;gap:11px;align-items:flex-start;z-index:5;font-size:.8rem;animation:float 6s ease-in-out infinite}.floating-card small{color:var(--muted);font-size:.72rem;display:block;margin-bottom:2px}.floating-card strong{display:block;font-size:.86rem;font-weight:600;margin-bottom:7px;line-height:1.4}.floating-card .progress-track{width:170px}.floating-card-read{bottom:44px;left:-16px}.floating-card-types{top:28px;right:-6px;flex-direction:column;gap:8px;animation-delay:-2.5s}.floating-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent);flex-shrink:0}.file-pills{display:flex;gap:6px}.file-pill{display:inline-flex;align-items:center;padding:4px 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6%;text-align:center;color:#f2f7fa;background:linear-gradient(to top,#050b11c2,#050b1157 54%,#050b1100);animation:book-cta-in .4s ease both}@keyframes book-cta-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.book-cover-kicker{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;opacity:.72}.book-open-btn{display:inline-flex;align-items:center;gap:8px;box-shadow:0 10px 24px -12px #000c}.book-cover-hint{font-size:.68rem;opacity:.66}.book-hint{position:absolute;left:50%;bottom:78px;transform:translate(-50%);display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#0c1219d6;color:#eef4f8;font-size:.76rem;pointer-events:none;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:book-hint-in .35s ease both}@keyframes book-hint-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}@media(max-width:900px){.book-stage{padding:12px 14px 84px}.book-cover-copy strong{font-size:.92rem}}.epub-scroll{width:100%;overflow-y:auto;padding:40px 24px 120px}.epub-content{max-width:720px;margin:0 auto;background:var(--r-panel);color:var(--r-ink);padding:56px clamp(24px,6vw,68px);border-radius:4px;box-shadow:0 30px 60px -40px #080f1680;line-height:1.95;font-family:var(--font-sans);overflow-wrap:break-word}.epub-content h1,.epub-content h2,.epub-content h3{color:var(--r-ink);line-height:1.5;margin:32px 0 16px}.epub-content h1{font-size:1.5em;margin-top:0;padding-bottom:14px;border-bottom:1px solid var(--r-line)}.epub-content p{margin:0 0 1.1em}.epub-content img{max-width:100%;height:auto;margin:20px auto;border-radius:4px}.epub-content a{color:var(--accent);text-decoration:underline}.epub-content blockquote{margin:20px 0;padding-left:18px;border-left:3px solid var(--accent);color:color-mix(in srgb,var(--r-ink) 75%,transparent)}.epub-content hr{border:0;border-top:1px solid var(--r-line);margin:28px 0}.epub-content .cite{font-size:.82em;opacity:.6}.epub-nav{max-width:720px;margin:24px auto 0;display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--r-ink);font-size:.84rem}.epub-nav .btn{background:var(--r-panel);color:var(--r-ink);border-color:var(--r-line)}.epub-nav .btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.reader-bottom{position:absolute;bottom:max(18px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;background:#0c1219f0;color:#fff;padding:6px;border-radius:999px;box-shadow:0 20px 40px -18px #000000b3;z-index:12;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.reader-nav-button{width:40px;height:40px;border-radius:50%;border:0;background:#ffffff14;color:#fff;display:grid;place-items:center}.reader-nav-button:hover:not(:disabled){background:#ffffff2e}.reader-nav-button:disabled{opacity:.3;cursor:not-allowed}.reader-jump{display:flex;align-items:center;gap:6px;font-size:.8rem;color:#fff9;padding:0 6px}.reader-jump input{width:46px;text-align:center;border:1px solid rgba(255,255,255,.18);background:#ffffff14;color:#fff;border-radius:7px;padding:5px 4px;font-size:.82rem}.reader-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#03080c80;z-index:20}.reader-panel{position:absolute;top:62px;bottom:0;width:min(360px,88vw);background:var(--r-panel);color:var(--r-ink);z-index:25;transform:translate(-102%);transition:transform .28s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;box-shadow:0 0 60px #00000059}.reader-panel-right{right:0;left:auto;transform:translate(102%)}.reader-panel.open{transform:translate(0)}.reader-panel-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--r-line)}.reader-panel-head h3{font-size:1rem;color:var(--r-ink)}.reader-panel-head .reader-icon{color:var(--r-ink)}.reader-panel-head .reader-icon:hover{background:color-mix(in srgb,var(--r-ink) 8%,transparent)}.reader-panel-body{padding:16px 18px 40px;overflow-y:auto;flex:1}.toc-item{display:flex;gap:10px;width:100%;padding:10px;border:0;background:none;border-radius:8px;text-align:left;font-size:.85rem;color:var(--r-ink);line-height:1.5}.toc-item span{font-size:.7rem;color:var(--r-ink);opacity:.45;padding-top:3px;font-variant-numeric:tabular-nums}.toc-item:hover{background:color-mix(in srgb,var(--r-ink) 6%,transparent)}.toc-item.active{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent);font-weight:600}.thumb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.thumb-item{aspect-ratio:2 / 3;border-radius:5px;border:1px solid var(--r-line);background:color-mix(in srgb,var(--r-ink) 4%,transparent);color:var(--r-ink);font-size:.75rem;display:grid;place-items:center}.thumb-item.active{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent);font-weight:600}.reader-setting{padding:16px 0;border-bottom:1px solid var(--r-line)}.reader-setting:first-child{padding-top:4px}.reader-setting h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.09em;opacity:.55;margin-bottom:12px;color:var(--r-ink)}.theme-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.theme-options button{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 6px;border-radius:10px;border:1px solid var(--r-line);background:transparent;color:var(--r-ink);font-size:.76rem}.theme-options button span{width:100%;height:26px;border-radius:6px;border:1px solid var(--r-line)}.theme-options button.active{border-color:var(--accent);color:var(--accent)}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:color-mix(in srgb,var(--r-ink) 5%,transparent);padding:4px;border-radius:10px}.segmented button{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px;border:0;border-radius:7px;background:transparent;color:var(--r-ink);font-size:.79rem}.segmented button.active{background:var(--r-panel);box-shadow:0 2px 6px #0000001f;font-weight:600;color:var(--accent)}.stepper{display:flex;align-items:center;justify-content:space-between;background:color-mix(in srgb,var(--r-ink) 5%,transparent);border-radius:10px;padding:5px}.stepper button{width:38px;height:34px;border:0;border-radius:7px;background:var(--r-panel);color:var(--r-ink);display:grid;place-items:center;font-size:.82rem;font-weight:600;box-shadow:0 1px 4px #0000001a}.stepper span{font-size:.82rem;color:var(--r-ink);font-variant-numeric:tabular-nums}.reader-progress-text{font-size:.74rem;opacity:.55;margin-top:8px;color:var(--r-ink)}.reader-shortcuts ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:.78rem;color:var(--r-ink);opacity:.75}.reader-shortcuts kbd{display:inline-block;padding:1px 6px;border-radius:5px;border:1px solid var(--r-line);background:color-mix(in srgb,var(--r-ink) 6%,transparent);font-family:var(--font-sans);font-size:.72rem}.admin-shell{min-height:100vh;background:var(--bg-soft);display:flex}.admin-sidebar{width:262px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:22px 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34px 22px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);background:var(--bg-soft)}.admin-header h1{font-size:clamp(1.5rem,2.4vw,1.9rem);margin-top:4px}.admin-header p{color:var(--muted);font-size:.85rem;margin-top:5px}.admin-header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.admin-mobile-nav{display:none}.admin-content{padding:26px 34px 60px;display:flex;flex-direction:column;gap:20px;flex:1}.range-switch{display:inline-flex;padding:3px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.range-switch button{border:0;background:transparent;padding:7px 13px;border-radius:7px;font-size:.79rem;color:var(--muted)}.range-switch button.active{background:var(--accent);color:#fff;font-weight:600}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:18px;right:18px;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}.stat-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.stat-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent)}.stat-delta{display:inline-flex;align-items:center;gap:2px;font-size:.72rem;font-weight:600;padding:3px 7px;border-radius:999px}.stat-delta.up{color:#0f766e;background:#0f766e1a}.stat-delta.down{color:var(--danger);background:#b91c1c14}.stat-card>strong{display:block;font-size:1.7rem;letter-spacing:-.02em;line-height:1.2}.stat-label{font-size:.78rem;color:var(--muted)}.sparkline{position:absolute;right:12px;bottom:10px;width:100px;height:30px;opacity:.55}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:16px}.dashboard-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;min-width:0}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.panel-head h2{font-size:1.05rem}.panel-head p{font-size:.78rem;color:var(--muted);margin-top:4px}.chart{width:100%}.chart-legend{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:14px}.chart-legend-item{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;color:var(--muted)}.chart-legend-item i{width:9px;height:9px;border-radius:3px}.chart-canvas svg{width:100%;height:230px;color:var(--ink);overflow:visible}.chart-x-axis{display:flex;justify-content:space-between;gap:8px;font-size:.68rem;color:var(--faint);margin-top:8px;padding:0 2px}.donut-wrap{display:flex;flex-direction:column;align-items:center;gap:16px}.donut{width:180px;height:180px;color:var(--ink)}.donut-legend{width:100%;display:flex;flex-direction:column;gap:6px}.donut-legend span{display:flex;align-items:center;gap:8px;font-size:.76rem;color:var(--muted)}.donut-legend i{width:8px;height:8px;border-radius:2px}.donut-legend strong{margin-left:auto;color:var(--ink-2);font-weight:600;font-variant-numeric:tabular-nums}.top-list{display:flex;flex-direction:column;gap:4px}.top-item{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}.top-item:last-child{border-bottom:0}.top-rank{font-size:.72rem;color:var(--faint);font-weight:600;width:20px;flex-shrink:0}.top-cover{width:38px;aspect-ratio:2 / 3;border-radius:5px;overflow:hidden;flex-shrink:0;background:var(--bg-soft)}.top-body{min-width:0;flex:1}.top-body h3{font-size:.84rem;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-body p{font-size:.72rem;color:var(--muted)}.top-stats{display:flex;gap:10px;font-size:.7rem;color:var(--faint);margin-top:3px}.top-stats span{display:inline-flex;align-items:center;gap:3px}.activity-list{display:flex;flex-direction:column;gap:2px}.activity-item{display:flex;gap:11px;padding:9px 0;border-bottom:1px solid var(--line)}.activity-item:last-child{border-bottom:0}.activity-icon{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;background:var(--bg-soft);color:var(--muted)}.activity-view{background:#6366f11f;color:#6366f1}.activity-read{background:#0f766e1f;color:#0f766e}.activity-download{background:#f59e0b24;color:#b45309}.activity-complete{background:#10b98124;color:#047857}.activity-item p{font-size:.79rem;color:var(--muted);line-height:1.5}.activity-item p strong{color:var(--ink-2);font-weight:600}.activity-item p a{color:var(--ink);font-weight:500}.activity-item p a:hover{color:var(--accent)}.activity-item small{font-size:.68rem;color:var(--faint)}.mini-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.mini-stats>div{padding:12px;background:var(--bg-soft);border-radius:10px}.mini-stats span{display:block;font-size:.72rem;color:var(--muted)}.mini-stats strong{font-size:1.05rem;font-weight:600}.quick-actions{display:flex;flex-direction:column;gap:8px}.quick-action{display:flex;align-items:center;gap:11px;padding:11px;border:1px solid var(--line);border-radius:11px;transition:border-color .2s ease,background .2s ease}.quick-action:hover{border-color:var(--accent);background:var(--accent-soft)}.quick-action>span{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--bg-soft);color:var(--accent);flex-shrink:0}.quick-action div{flex:1;min-width:0}.quick-action strong{display:block;font-size:.83rem}.quick-action small{font-size:.72rem;color:var(--muted)}.quick-action>svg{color:var(--faint)}.admin-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.admin-toolbar>.input{width:auto;min-width:150px}.admin-search{position:relative;flex:1;min-width:220px;max-width:420px}.admin-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--faint)}.admin-search .input{padding-left:38px}.admin-count{font-size:.8rem;color:var(--muted);margin-left:auto}.admin-table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:.84rem;min-width:820px}.admin-table th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--faint);font-weight:600;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface-2)}.admin-table td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}.admin-table tbody tr:last-child td{border-bottom:0}.admin-table tbody tr:hover{background:color-mix(in srgb,var(--bg-soft) 60%,transparent)}.admin-table .num{text-align:right;font-variant-numeric:tabular-nums}.table-title-cell{display:flex;align-items:center;gap:11px;min-width:260px}.table-cover{width:40px;aspect-ratio:2 / 3;border-radius:5px;overflow:hidden;flex-shrink:0;background:var(--bg-soft)}.table-title{font-weight:500;color:var(--ink);display:block;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table-title:hover{color:var(--accent)}.table-sub{display:block;font-size:.72rem;color:var(--faint)}.table-category{font-size:.8rem;font-weight:500;white-space:nowrap}.table-muted{color:var(--muted);font-size:.8rem}.table-date{font-size:.78rem;color:var(--muted);white-space:nowrap}.table-actions{display:flex;gap:2px;justify-content:flex-end}.table-actions .icon-button{width:32px;height:32px;border-radius:8px}.status-chip{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:.71rem;font-weight:600;white-space:nowrap;border:1px solid transparent;background:none}.status-published{background:#0f766e1f;color:var(--accent-strong)}.status-draft{background:#b453091f;color:var(--gold)}.skeleton-row td{padding:10px 16px}.role-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.role-card{display:flex;align-items:center;gap:12px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.role-icon{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--bg-soft);color:var(--muted);flex-shrink:0}.role-admin .role-icon{background:#4338ca1f;color:var(--indigo)}.role-editor .role-icon{background:#0f766e1f;color:var(--accent)}.role-reader .role-icon{background:#be185d1a;color:var(--rose)}.role-card strong{display:block;font-size:.84rem}.role-card span{font-size:.74rem;color:var(--muted)}.add-user-form .form-grid{margin-bottom:14px}.editor-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.85fr);gap:20px;align-items:start}.editor-main,.editor-aside{display:flex;flex-direction:column;gap:16px;min-width:0}.editor-aside{position:sticky;top:20px}.editor-actions{display:flex;gap:10px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field-full{grid-column:1 / -1}.status-options{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.status-options label{display:flex;gap:10px;align-items:flex-start;padding:11px;border:1px solid var(--line);border-radius:11px;cursor:pointer;font-size:.82rem;transition:border-color .2s ease,background .2s ease}.status-options label.active{border-color:var(--accent);background:var(--accent-soft)}.status-options input{margin-top:3px;accent-color:var(--accent)}.status-options 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