:root{--topbar-h:64px;--sidebar-w:310px;--bg:#070b11;--bg2:#0b111a;--panel:rgba(15, 23, 34, 0.94);--panel2:rgba(12, 18, 28, 0.96);--surface:#111827;--surface2:#162033;--text:#e8eef7;--texteditor:rgba(90, 170, 255, 1);--muted:#8ea0b8;--border:rgba(255, 255, 255, 0.09);--border2:rgba(255, 255, 255, 0.14);--primary:#5aaaff;--primary-soft:rgba(90, 170, 255, 0.15);--success-soft:rgba(25, 135, 84, 0.14);--danger-soft:rgba(220, 53, 69, 0.14);--shadow:0 24px 70px rgba(0, 0, 0, 0.55);--heading:#cdd9e8;--icon-muted:#b9c7d8;--accent-ink:#dff1ff;--teal-ink:#dff7f1;--success-ink:#4ad991;--danger-ink:#ff8fa3;--knob-ink:#071018;--chrome:rgba(9, 14, 22, 0.9);--chrome2:rgba(9, 14, 22, 0.94);--chrome3:rgba(9, 14, 22, 0.72);--soft:rgba(255, 255, 255, 0.035);--soft2:rgba(255, 255, 255, 0.05);--soft3:rgba(255, 255, 255, 0.08);--soft-faint:rgba(255, 255, 255, 0.02);--soft-hover:rgba(255, 255, 255, 0.075);--inset:rgba(0, 0, 0, 0.17);--field:rgba(23, 30, 40, 0.85);--panel-strong:rgba(15, 23, 34, 0.97);--backdrop:rgba(3, 6, 10, 0.6);--grid-line:rgba(255, 255, 255, 0.026);--pdf-bed:#1a1f27;--page-edge:rgba(255, 255, 255, 0.22);--page-shadow:0 24px 80px rgba(0, 0, 0, 0.62),0 0 0 1px rgba(0, 0, 0, 0.28);--glow1:rgba(90, 170, 255, 0.14);--glow2:rgba(13, 202, 240, 0.08);--shadow-lift:0 28px 80px rgba(0, 0, 0, 0.6);--scroll-edge:rgba(7, 11, 17, 0.9);color-scheme:dark}:root[data-bs-theme=light]{--bg:#eef2f7;--bg2:#ffffff;--panel:rgba(255, 255, 255, 0.92);--panel2:rgba(249, 251, 254, 0.95);--surface:#ffffff;--surface2:#eef2f8;--text:#1c2733;--texteditor:rgba(23, 105, 204, 1);--muted:#5b6b80;--border:rgba(12, 24, 40, 0.12);--border2:rgba(12, 24, 40, 0.18);--primary:#2478d4;--primary-soft:rgba(36, 120, 212, 0.12);--success-soft:rgba(25, 135, 84, 0.12);--danger-soft:rgba(220, 53, 69, 0.1);--shadow:0 24px 70px rgba(15, 35, 60, 0.16);--heading:#33445c;--icon-muted:#5b6b80;--accent-ink:#14538f;--teal-ink:#0d6a5c;--success-ink:#148f52;--danger-ink:#c93043;--knob-ink:#ffffff;--chrome:rgba(255, 255, 255, 0.88);--chrome2:rgba(255, 255, 255, 0.94);--chrome3:rgba(255, 255, 255, 0.78);--soft:rgba(12, 24, 40, 0.04);--soft2:rgba(12, 24, 40, 0.05);--soft3:rgba(12, 24, 40, 0.1);--soft-faint:rgba(12, 24, 40, 0.025);--soft-hover:rgba(12, 24, 40, 0.08);--inset:rgba(12, 24, 40, 0.06);--field:#ffffff;--panel-strong:rgba(255, 255, 255, 0.98);--backdrop:rgba(30, 42, 58, 0.45);--grid-line:rgba(12, 24, 40, 0.035);--pdf-bed:#d9e0e9;--page-edge:rgba(12, 24, 40, 0.18);--page-shadow:0 18px 50px rgba(15, 35, 60, 0.22),0 0 0 1px rgba(15, 35, 60, 0.08);--glow1:rgba(36, 120, 212, 0.1);--glow2:rgba(13, 202, 240, 0.08);--shadow-lift:0 28px 80px rgba(15, 35, 60, 0.2);--scroll-edge:rgba(238, 242, 247, 0.9);color-scheme:light}[data-bs-theme=dark] .only-light,[data-bs-theme=light] .only-dark{display:none!important}[data-bs-theme=light] .brand-link,[data-bs-theme=light] .brand-mark-link i{background-image:linear-gradient(90deg,#7a9a08,#08a3aa,#0273b5)}[data-bs-theme=light] .success-tool 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var(--page-edge);box-shadow:var(--page-shadow)}#canvasWrap{position:relative}#annoCanvas,#pdfCanvas,#textLayer{position:absolute;left:0;top:0;width:auto;height:auto;display:block}#pdfCanvas{z-index:1}#textLayer{z-index:5}#annoCanvas{z-index:10;cursor:crosshair}.empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted)}.empty-card{width:100%;height:100%;padding:28px;text-align:center;border:1px dashed var(--border2);border-radius:10px;background:radial-gradient(circle at center,var(--primary-soft),transparent 46%),var(--soft);display:flex;flex-direction:column;align-items:center;justify-content:center}.empty-icon{width:62px;height:62px;display:grid;place-items:center;margin:0 auto 14px;border-radius:50%;color:var(--accent-ink);background:rgba(90,170,255,.14);border:1px solid rgba(90,170,255,.24);font-size:28px}.empty-card h1{margin:0 0 7px;color:var(--text);font-size:22px;font-weight:600}.empty-card p{margin:0 auto 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rgba(67,221,196,.28);transform:translateY(0);animation-duration:3.5s}.btn-success{border-color:rgba(25,135,84,.65)!important;background-image:linear-gradient(120deg,#137c49,#1fb26b,#43ddc4,#1fb26b,#137c49)!important;background-size:240% 240%!important;animation:8s ease-in-out infinite btnFlow;transition:filter .2s,box-shadow .2s,transform .2s}.btn-success:hover:not(:disabled){filter:brightness(1.08) saturate(1.08);box-shadow:0 6px 22px rgba(31,178,107,.3);transform:translateY(0);animation-duration:3.5s}.btn-primary:disabled,.btn-success:disabled{animation:none}.studio-btn.btn-outline-secondary:hover:not(:disabled){color:#eef3f9;border-color:transparent;background-image:linear-gradient(120deg,#39434f,#5a6979,#8ea0b8,#5a6979,#39434f);background-size:240% 240%;animation:3.5s ease-in-out infinite 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