:root{color-scheme:light;--bg: #ffffff;--bg-soft: #f7f8fb;--surface: #ffffff;--ink: #111827;--muted: #5f6776;--muted-light: #8b95a5;--line: #e5e7eb;--line-strong: #d1d5db;--primary: #195fd7;--primary-strong: #144fb6;--cyan: #0d9fbf;--rose: #e2336b;--success: #16803d;--danger: #b42318;--dark: #0f172a;--radius: 10px;--radius-lg: 20px;--shadow-card: 0 24px 70px -34px rgba(8, 37, 84, .48);--motion-fast: .16s;--motion-base: .24s;--ease-out: cubic-bezier(.22, 1, .36, 1);--shadow: 0 18px 42px -28px rgba(15, 23, 42, .36);--shadow-strong: 0 22px 50px -30px rgba(15, 23, 42, .46);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}:root[data-theme=dark]{color-scheme:dark;--bg: #0b1220;--bg-soft: #131e32;--surface: #17243a;--surface-raised: #1d2f4b;--ink: #f5f7fb;--muted: #aebbd0;--muted-light: #7f8ea8;--line: #2c3d5b;--line-strong: #405577;--primary: #7eaaff;--primary-strong: #5f8fe9;--cyan: #66d9e8;--rose: #ff86ad;--success: #6bdda0;--danger: #ff918e;--dark: #070d18;--shadow-card: 0 24px 70px -34px rgba(0, 0, 0, .78);--shadow: 0 18px 42px -28px rgba(0, 0, 0, .72);--shadow-strong: 0 22px 50px -30px rgba(0, 0, 0, .84)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #0b1220;--bg-soft: #131e32;--surface: #17243a;--surface-raised: #1d2f4b;--ink: #f5f7fb;--muted: #aebbd0;--muted-light: #7f8ea8;--line: #2c3d5b;--line-strong: #405577;--primary: #7eaaff;--primary-strong: #5f8fe9;--cyan: #66d9e8;--rose: #ff86ad;--success: #6bdda0;--danger: #ff918e;--dark: #070d18;--shadow-card: 0 24px 70px -34px rgba(0, 0, 0, .78);--shadow: 0 18px 42px -28px rgba(0, 0, 0, .72);--shadow-strong: 0 22px 50px -30px rgba(0, 0, 0, .84)}}.tool-utility-actions{position:absolute;z-index:12;top:-54px;right:calc(16px - max(16px,calc((100vw - 1120px)/2)));display:flex;align-items:center;gap:8px}.tool-utility-button{display:inline-flex;min-height:36px;align-items:center;justify-content:center;gap:7px;padding:0 12px;border:1px solid rgba(255,255,255,.72);border-radius:10px;color:#24405f;background:#fffffff0;box-shadow:0 10px 24px -18px #0f172a9e;font:inherit;font-size:13px;font-weight:700;white-space:nowrap;cursor:pointer;transition:transform var(--motion-fast) var(--ease-out),background var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out)}.tool-utility-button:hover{background:#fff;box-shadow:0 14px 30px -18px #0f172ab8;transform:translateY(-1px)}.tool-utility-badge{display:inline-grid;min-width:18px;height:18px;place-items:center;padding:0 5px;border-radius:999px;color:#fff;background:var(--primary);font-size:10px;line-height:1}.download-queue-panel{position:fixed;z-index:2147483000;top:max(8px,env(safe-area-inset-top));right:max(8px,env(safe-area-inset-right));display:flex;width:min(420px,calc(100vw - 24px));max-height:calc(100dvh - max(16px,env(safe-area-inset-top)));flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:16px;color:var(--ink);background:var(--surface);box-shadow:0 28px 70px -28px #0f172a8c;text-align:left;animation:queue-panel-in .18s var(--ease-out)}@keyframes queue-panel-in{0%{opacity:0;transform:translateY(-8px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}.download-queue-header{display:grid;grid-template-columns:38px minmax(0,1fr) 32px;align-items:center;gap:10px;padding:15px 16px;border-bottom:1px solid var(--line);background:var(--surface)}.download-queue-heading-icon{display:inline-grid;width:38px;height:38px;place-items:center;border-radius:11px;color:var(--primary);background:color-mix(in srgb,var(--primary) 11%,var(--surface))}.download-queue-header h2,.download-queue-header p{margin:0}.download-queue-header h2{font-size:16px;line-height:1.35}.download-queue-header p{margin-top:2px;color:var(--muted-light);font-size:11px}.download-queue-icon-button,.extraction-history-header>button{display:inline-grid;width:32px;height:32px;place-items:center;padding:0;border:1px solid var(--line);border-radius:9px;color:var(--muted);background:var(--surface);cursor:pointer}.download-queue-summary{display:flex;min-height:45px;align-items:center;justify-content:space-between;gap:10px;padding:9px 14px;border-bottom:1px solid var(--line);background:var(--bg-soft)}.download-queue-summary>div{display:flex;flex-wrap:wrap;gap:5px}.download-queue-summary>button{padding:4px 7px;border:0;color:var(--muted);background:transparent;font:inherit;font-size:11px;cursor:pointer}.download-queue-chip{display:inline-flex;min-height:23px;align-items:center;gap:4px;padding:0 7px;border-radius:999px;font-size:10px;font-weight:700}.download-queue-chip.is-success{color:var(--success);background:color-mix(in srgb,var(--success) 11%,var(--surface))}.download-queue-chip.is-active{color:var(--primary);background:color-mix(in srgb,var(--primary) 11%,var(--surface))}.download-queue-chip.is-error{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface))}.download-queue-list{display:grid;gap:9px;min-height:170px;padding:12px;overflow:auto;overscroll-behavior:contain;background:var(--bg-soft)}.download-queue-empty{display:flex;min-height:180px;align-items:center;justify-content:center;flex-direction:column;gap:7px;color:var(--muted-light);text-align:center}.download-queue-empty>span{display:inline-grid;width:52px;height:52px;place-items:center;border-radius:16px;color:var(--primary);background:color-mix(in srgb,var(--primary) 9%,var(--surface))}.download-queue-empty strong{color:var(--ink);font-size:14px}.download-queue-empty p{max-width:250px;margin:0;font-size:11px;line-height:1.5}.download-queue-card{padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 8px 22px -20px #0f172a73}.download-queue-card-main{display:grid;grid-template-columns:58px minmax(0,1fr);gap:10px}.download-queue-cover{position:relative;display:grid;width:58px;height:58px;place-items:center;overflow:hidden;border-radius:9px;color:var(--muted-light);background:var(--bg-soft)}.download-queue-cover img{width:100%;height:100%;object-fit:cover}.download-queue-cover>span{position:absolute;right:3px;bottom:3px;padding:2px 4px;border-radius:4px;color:#fff;background:#0f172ac7;font-size:8px;font-weight:800}.download-queue-card-body{min-width:0}.download-queue-card-body>strong{display:block;overflow:hidden;color:var(--ink);font-size:12px;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}.download-queue-task-state{display:flex;align-items:center;gap:4px;margin-top:7px;color:var(--muted);font-size:10px}.download-queue-task-state span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.download-queue-task-state small{margin-left:auto;color:var(--muted-light);white-space:nowrap}.download-queue-task-state.is-success{color:var(--success)}.download-queue-task-state.is-error{color:var(--danger)}.download-queue-task-state.is-downloading{color:var(--primary)}.download-queue-progress{height:4px;margin-top:8px;overflow:hidden;border-radius:999px;background:color-mix(in srgb,var(--line) 80%,transparent)}.download-queue-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--cyan));transition:width .18s ease}.download-queue-actions{display:flex;justify-content:flex-end;gap:4px;margin-top:8px;padding-top:7px;border-top:1px solid var(--line)}.download-queue-actions button{display:inline-flex;min-height:26px;align-items:center;gap:4px;padding:0 6px;border:0;border-radius:6px;color:var(--muted);background:transparent;font:inherit;font-size:10px;cursor:pointer}.download-queue-actions button:hover{color:var(--primary);background:color-mix(in srgb,var(--primary) 7%,var(--surface))}.download-queue-actions button:disabled{cursor:default;opacity:.4}.extraction-history-overlay{position:fixed;z-index:1400;inset:0;display:flex;justify-content:flex-end;background:#0a12217a;backdrop-filter:blur(2px);animation:history-fade-in .18s ease-out}.extraction-history-drawer{display:flex;width:min(450px,100vw);height:100dvh;flex-direction:column;overflow:hidden;border-left:1px solid var(--line);color:var(--ink);background:var(--surface);box-shadow:-28px 0 70px -35px #0f172a9e;text-align:left;animation:history-drawer-in .22s var(--ease-out)}@keyframes history-fade-in{0%{opacity:0}to{opacity:1}}@keyframes history-drawer-in{0%{transform:translate(28px)}to{transform:translate(0)}}.extraction-history-header{display:flex;min-height:68px;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;border-bottom:1px solid var(--line)}.extraction-history-header>div{display:flex;align-items:center;gap:10px;min-width:0}.extraction-history-header h2{margin:0;font-size:17px}.extraction-history-icon{display:inline-grid;width:38px;height:38px;flex:0 0 38px;place-items:center;border-radius:11px;color:var(--primary);background:color-mix(in srgb,var(--primary) 10%,var(--surface))}.extraction-history-note{display:flex;align-items:flex-start;gap:8px;margin:12px 14px 0;padding:10px 11px;border:1px solid color-mix(in srgb,var(--primary) 18%,var(--line));border-radius:10px;color:var(--muted);background:color-mix(in srgb,var(--primary) 6%,var(--surface));font-size:11px;line-height:1.55}.extraction-history-note svg{flex:0 0 auto;margin-top:1px;color:var(--primary)}.extraction-history-toolbar{display:flex;min-height:44px;align-items:center;justify-content:space-between;padding:8px 15px;color:var(--muted-light);font-size:11px}.extraction-history-toolbar button{display:inline-flex;min-height:28px;align-items:center;gap:4px;padding:0 8px;border:0;border-radius:7px;color:var(--danger);background:color-mix(in srgb,var(--danger) 7%,var(--surface));font:inherit;font-size:11px;cursor:pointer}.extraction-history-list{display:grid;align-content:start;gap:9px;min-height:0;flex:1;padding:0 14px 16px;overflow:auto;overscroll-behavior:contain}.extraction-history-empty{display:flex;min-height:240px;align-items:center;justify-content:center;flex-direction:column;gap:9px;color:var(--muted-light)}.extraction-history-empty strong{color:var(--ink);font-size:14px}.extraction-history-card{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 8px 22px -22px #0f172a8c}.extraction-history-content{display:grid;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:8px}.extraction-history-content>span{display:inline-grid;width:30px;height:30px;place-items:center;border-radius:8px;color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,var(--surface))}.extraction-history-content p{margin:0;overflow:hidden;color:var(--ink);font-size:12px;line-height:1.5;text-overflow:ellipsis;white-space:nowrap}.extraction-history-card time{display:block;margin:7px 0 0 38px;color:var(--muted-light);font-size:10px}.extraction-history-actions{display:flex;justify-content:flex-end;gap:5px;margin-top:10px;padding-top:9px;border-top:1px solid var(--line)}.extraction-history-actions button{display:inline-flex;min-height:29px;align-items:center;gap:4px;padding:0 8px;border:1px solid var(--line);border-radius:7px;color:var(--muted);background:var(--surface);font:inherit;font-size:10px;cursor:pointer}.extraction-history-actions button.is-primary{border-color:transparent;color:#fff;background:var(--primary)}.extraction-history-actions button.is-danger{width:29px;justify-content:center;padding:0;color:var(--danger)}:root[data-theme=dark] .tool-utility-button{border-color:var(--line-strong);color:var(--ink);background:#17243af0}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .tool-utility-button{border-color:var(--line-strong);color:var(--ink);background:#17243af0}}@media(max-width:820px){.tool-utility-actions{position:static;width:100%;justify-content:flex-end;margin-bottom:-10px;transform:none}.download-queue-panel{top:max(8px,env(safe-area-inset-top));right:max(8px,env(safe-area-inset-right));max-height:calc(100dvh - max(16px,env(safe-area-inset-top)))}}@media(max-width:480px){.tool-utility-actions{justify-content:stretch}.tool-utility-button{flex:1}.download-queue-panel{top:8px;right:8px;width:calc(100vw - 16px);max-height:calc(100dvh - 16px)}.extraction-history-drawer{width:100vw}}@media(prefers-reduced-motion:reduce){.download-queue-panel,.extraction-history-overlay,.extraction-history-drawer{animation:none}}.theme-toggle{position:relative;display:inline-grid;flex:0 0 auto;width:44px;height:44px;min-height:44px;padding:0;place-items:center;border:1px solid var(--line);border-radius:11px;color:var(--muted);background:var(--surface);cursor:pointer;transition:color var(--motion-fast) var(--ease-out),background var(--motion-fast) var(--ease-out),border-color var(--motion-fast) var(--ease-out),transform var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out)}.theme-toggle:hover{border-color:#9fc0fa;color:var(--primary);background:#eff6ff;box-shadow:0 10px 22px -18px #195fd7ad;transform:translateY(-1px)}.theme-toggle:active{transform:translateY(0) scale(.96)}.theme-toggle:after{position:absolute;top:calc(100% + 9px);right:0;z-index:90;padding:6px 9px;border-radius:6px;color:var(--surface);background:var(--ink);content:attr(data-theme-tooltip);font-size:11px;font-weight:600;line-height:1.2;white-space:nowrap;opacity:0;pointer-events:none;transform:translateY(-3px);transition:opacity .14s var(--ease-out),transform .14s var(--ease-out)}.theme-toggle:hover:after,.theme-toggle:focus-visible:after{opacity:1;transform:translateY(0)}.theme-toggle .theme-icon{display:none}.theme-toggle[data-theme-mode=system] .theme-icon-system,.theme-toggle[data-theme-mode=light] .theme-icon-light,.theme-toggle[data-theme-mode=dark] .theme-icon-dark{display:block}:root[data-theme=dark] body{background:var(--bg)}:root[data-theme=dark] .hero-band{color:#f5f7fb;background:radial-gradient(circle at 8% 12%,rgba(102,217,232,.1),transparent 30%),linear-gradient(180deg,#111c30,#0e182a)}:root[data-theme=dark] .hero-band:before{opacity:.14;background-image:linear-gradient(rgba(191,224,255,.24) 1px,transparent 1px),linear-gradient(90deg,rgba(191,224,255,.2) 1px,transparent 1px)}:root[data-theme=dark] .hero-band:after{border-color:#93c5fd2e;box-shadow:0 0 0 32px #93c5fd0d,0 0 0 64px #93c5fd08}:root[data-theme=dark] .hero-copy h1{text-shadow:0 2px 14px rgba(0,0,0,.42)}:root[data-theme=dark] .hero-copy h1 strong{color:#c6f3fa}:root[data-theme=dark] .site-header{border-bottom-color:var(--line);background:#0b1220e6}:root[data-theme=dark] .site-header.is-scrolled{border-bottom-color:#7eaaff70;background:#0b1220f5;box-shadow:0 14px 36px -24px #000000d6,0 6px 18px -16px #3d75e16b}:root[data-theme=dark] .header-nav a,:root[data-theme=dark] .platform-switch summary,:root[data-theme=dark] .locale-switch summary,:root[data-theme=dark] .mobile-nav-switch summary{color:var(--muted)}:root[data-theme=dark] .header-nav a:hover,:root[data-theme=dark] .header-nav a.active,:root[data-theme=dark] .platform-switch[open] summary,:root[data-theme=dark] .platform-switch summary:hover,:root[data-theme=dark] .platform-switch summary.active,:root[data-theme=dark] .locale-switch[open] summary,:root[data-theme=dark] .locale-switch summary:hover,:root[data-theme=dark] .mobile-nav-switch[open] summary,:root[data-theme=dark] .mobile-nav-switch summary:hover{color:var(--primary)}:root[data-theme=dark] .platform-switch summary small{color:var(--muted-light)}:root[data-theme=dark] .platform-menu,:root[data-theme=dark] .locale-menu,:root[data-theme=dark] .mobile-nav-menu{border-color:var(--line);background:var(--surface);box-shadow:0 24px 50px -28px #000000c7}:root[data-theme=dark] .platform-menu a,:root[data-theme=dark] .locale-menu a,:root[data-theme=dark] .mobile-nav-menu a{color:var(--ink)}:root[data-theme=dark] .platform-menu a:hover,:root[data-theme=dark] .platform-menu a.active,:root[data-theme=dark] .locale-menu a:hover,:root[data-theme=dark] .locale-menu a.active,:root[data-theme=dark] .mobile-nav-menu a:hover,:root[data-theme=dark] .mobile-nav-menu a.active{color:var(--primary);background:var(--bg-soft)}:root[data-theme=dark] .download-card,:root[data-theme=dark] .input-shell,:root[data-theme=dark] .about-card,:root[data-theme=dark] .link-types-summary,:root[data-theme=dark] .link-type-card,:root[data-theme=dark] .platform-entry-grid a,:root[data-theme=dark] .step-icon,:root[data-theme=dark] .feature-list article,:root[data-theme=dark] .capability-grid article,:root[data-theme=dark] .format-table,:root[data-theme=dark] .comparison-table,:root[data-theme=dark] .faq-list details,:root[data-theme=dark] .policy-layout li,:root[data-theme=dark] .result-grid{border-color:var(--line);background:var(--surface);box-shadow:var(--shadow)}:root[data-theme=dark] .download-card{border-color:var(--line-strong)}:root[data-theme=dark] .download-card-top,:root[data-theme=dark] .form-status,:root[data-theme=dark] .about-card p:not(.eyebrow),:root[data-theme=dark] .section-heading p,:root[data-theme=dark] .format-layout p,:root[data-theme=dark] .comparison-layout p,:root[data-theme=dark] .steps-list p,:root[data-theme=dark] .feature-list p,:root[data-theme=dark] .capability-grid p,:root[data-theme=dark] .faq-list p,:root[data-theme=dark] .platform-entry-copy>span,:root[data-theme=dark] .link-types-summary span,:root[data-theme=dark] .link-type-copy small{color:var(--muted)}:root[data-theme=dark] .about-card h2,:root[data-theme=dark] .section-heading h2,:root[data-theme=dark] .format-layout h2,:root[data-theme=dark] .comparison-layout h2,:root[data-theme=dark] .policy-layout h2,:root[data-theme=dark] .steps-list h3,:root[data-theme=dark] .feature-list h3,:root[data-theme=dark] .capability-grid h3,:root[data-theme=dark] .use-case-grid div,:root[data-theme=dark] .faq-list summary span,:root[data-theme=dark] .link-type-copy code,:root[data-theme=dark] .platform-entry-grid strong{color:var(--ink)}:root[data-theme=dark] .about-band,:root[data-theme=dark] .steps-band,:root[data-theme=dark] .format-band,:root[data-theme=dark] .comparison-band,:root[data-theme=dark] .content-band,:root[data-theme=dark] .faq-band,:root[data-theme=dark] .result-band{background:var(--bg)}:root[data-theme=dark] .link-band,:root[data-theme=dark] .platforms-band,:root[data-theme=dark] .features-band,:root[data-theme=dark] .capability-band,:root[data-theme=dark] .policy-band{background:var(--bg-soft)}:root[data-theme=dark] .link-band{background:radial-gradient(circle at 8% 12%,rgba(102,217,232,.1),transparent 30%),linear-gradient(180deg,#111c30,#0e182a)}:root[data-theme=dark] .capability-band{background:linear-gradient(180deg,#121d31,#0d1728)}:root[data-theme=dark] .link-types-summary,:root[data-theme=dark] .link-type-card,:root[data-theme=dark] .platform-entry-grid a,:root[data-theme=dark] .feature-list article,:root[data-theme=dark] .capability-grid article,:root[data-theme=dark] .faq-list details,:root[data-theme=dark] .policy-layout li{border-color:var(--line)}:root[data-theme=dark] .link-type-number,:root[data-theme=dark] .platform-entry-logo,:root[data-theme=dark] 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.batch-result-sticky,:root[data-theme=dark] .batch-result-header{background:var(--surface)}:root[data-theme=dark] .batch-result-card{border-color:var(--line);background:var(--surface-raised)}:root[data-theme=dark] .batch-result-action.is-secondary,:root[data-theme=dark] .reference-download-button.is-secondary{border-color:var(--line);color:var(--muted);background:var(--surface-raised)}:root[data-theme=dark] .batch-result-action.is-secondary:hover,:root[data-theme=dark] .reference-icon-text-button:hover,:root[data-theme=dark] .reference-icon-button:hover{border-color:var(--primary-strong);color:var(--primary);background:color-mix(in srgb,var(--primary) 12%,var(--surface))}:root[data-theme=dark] .reference-copy-body,:root[data-theme=dark] .download-form.is-batch .input-shell.is-multiline{color:var(--ink);background:var(--surface-raised)}:root[data-theme=dark] .reference-download-button.is-primary{background:var(--primary-strong);box-shadow:0 8px 16px -12px #7eaaffbf}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .extraction-result-area .material-preview-card,:root:not([data-theme=light]) .extraction-result-area .material-preview-header,:root:not([data-theme=light]) .batch-result-list,:root:not([data-theme=light]) .batch-result-sticky,:root:not([data-theme=light]) .batch-result-header{background:var(--surface)}:root:not([data-theme=light]) .batch-result-card{border-color:var(--line);background:var(--surface-raised)}:root:not([data-theme=light]) .batch-result-action.is-secondary,:root:not([data-theme=light]) .reference-download-button.is-secondary{border-color:var(--line);color:var(--muted);background:var(--surface-raised)}:root:not([data-theme=light]) .reference-copy-body,:root:not([data-theme=light]) .download-form.is-batch .input-shell.is-multiline{color:var(--ink);background:var(--surface-raised)}}:root :is(.header-nav,.mobile-nav-menu,.footer-inner nav) a.extension-nav-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:7px 13px;border:1px solid color-mix(in srgb,var(--primary) 16%,transparent);border-radius:999px;background:color-mix(in srgb,var(--primary) 7%,var(--surface));color:var(--primary);font-size:13px;font-weight:600;line-height:1.4;text-align:center;transition:background .16s,border-color .16s}.extension-nav-button svg{flex-shrink:0}:root :is(.header-nav,.mobile-nav-menu,.footer-inner nav) a.extension-nav-button:is(:hover,.active){background:color-mix(in srgb,var(--primary) 12%,var(--surface));border-color:color-mix(in srgb,var(--primary) 28%,transparent);color:var(--primary)}:root .mobile-nav-menu a.extension-nav-button{min-height:44px;justify-content:flex-start;border-radius:10px}:root :is(.header-nav,.mobile-nav-menu,.footer-inner nav) a.extension-nav-button:focus-visible{outline:2px solid var(--primary);outline-offset:3px}@media(prefers-reduced-motion:reduce){a.extension-nav-button{transition:none}}