@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{--bg: #f1f0ea;--paper: #fcfbf7;--panel: #ffffff;--ink: #1f2a2e;--text: #1f2a2e;--muted: #58666d;--line: #d8d4c8;--accent: #0f4c5c;--accent-strong: #0a3f4d;--secondary: #c56e2c;--danger: #a12a2a;--shadow: 0 20px 50px rgba(6, 23, 28, .12);--control-bg: color-mix(in oklab, var(--paper), var(--bg) 22%);--control-bg-strong: color-mix(in oklab, var(--panel), var(--bg) 16%);--control-border: color-mix(in oklab, var(--line), var(--bg) 10%);--control-text: var(--text);--control-hover-bg: color-mix(in oklab, var(--accent), var(--panel) 88%);--offline-pill-border: color-mix(in oklab, var(--danger), var(--line) 32%);--offline-pill-bg: color-mix(in oklab, var(--danger), #7f1f1f 20%);--offline-pill-text: #fff;font-family:IBM Plex Sans,system-ui,sans-serif;color:var(--text);background:radial-gradient(circle at 20% 0%,#f9f5e8 0%,var(--bg) 45%,#ebe7dc 100%);line-height:1.4;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root.dark{--bg: #0f1a1e;--paper: #1a2a30;--panel: #1f3038;--ink: #e8e4d8;--text: #e8e4d8;--muted: #8fa8b0;--line: #2d4048;--shadow: 0 20px 50px rgba(0, 0, 0, .4);--control-bg: color-mix(in oklab, var(--panel), var(--bg) 18%);--control-bg-strong: color-mix(in oklab, var(--panel), var(--bg) 12%);--control-border: color-mix(in oklab, var(--line), var(--bg) 18%);--control-text: var(--text);--control-hover-bg: color-mix(in oklab, var(--accent), var(--panel) 78%);--offline-pill-border: color-mix(in oklab, var(--danger), var(--line) 38%);--offline-pill-bg: color-mix(in oklab, var(--danger), #311314 26%);--offline-pill-text: #fff;background:radial-gradient(circle at 20% 0%,#152028 0%,var(--bg) 45%,#0a1418 100%)}*{box-sizing:border-box}body{margin:0;touch-action:manipulation}#app{min-height:100vh}button,input,textarea{font:inherit}button{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:.45rem .8rem;cursor:pointer;transition:.12s ease}button:hover{border-color:var(--accent);color:var(--accent)}input,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:.55rem .65rem;background:var(--panel);color:var(--text)}a{color:var(--accent)}h1,h2,h3,p{margin:0}.app-shell{width:min(1360px,100% - 1.5rem);margin:0 auto;padding:.6rem 0 .9rem}.app-shell.viewer-route{width:100%;margin:0;padding:0;max-width:none}.app-shell.viewer-route .topbar{position:fixed;top:.65rem;left:.65rem;right:.65rem;z-index:30;grid-template-columns:auto;justify-content:end;gap:0;padding:0;border:none;border-radius:0;background:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;pointer-events:none}.app-shell.viewer-route .topbar-main{display:none}.app-shell.viewer-route .topbar-nav{pointer-events:auto}.app-shell.viewer-route main{min-height:100vh}.topbar{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1rem;padding:.65rem .9rem;background:linear-gradient(118deg,color-mix(in oklab,var(--paper),var(--bg) 12%),color-mix(in oklab,var(--panel),var(--bg) 26%));border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);position:sticky;top:.5rem;z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topbar-main{display:flex;align-items:center;gap:.72rem;flex:1 1 auto;min-width:0;width:100%}.eyebrow{font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;color:var(--secondary);margin-bottom:.25rem}.topbar h1{font-size:clamp(1.35rem,1.9vw,2rem);max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-nav{display:flex;flex-wrap:nowrap;justify-content:flex-end;gap:.5rem;flex:0 0 auto}.offline-pill{display:inline-flex;align-items:center;min-height:2.35rem;padding:.35rem .75rem;border-radius:999px;border:1px solid var(--offline-pill-border);color:var(--offline-pill-text);background:var(--offline-pill-bg);font-weight:600;font-size:.86rem}.topbar-link{display:inline-flex;align-items:center;min-height:2.35rem;padding:.35rem .8rem;border:1px solid var(--control-border);border-radius:999px;background:var(--control-bg);text-decoration:none;color:var(--control-text)}.topbar-icon-link{width:2.35rem;min-width:2.35rem;height:2.35rem;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--control-border);border-radius:999px;background:var(--control-bg);color:var(--control-text);text-decoration:none}.topbar-icon-link svg{width:1.15rem;height:1.15rem}.topbar-link:hover,.topbar-icon-link:hover,.viewer-page-pill:hover{border-color:var(--accent);background:var(--control-hover-bg);color:var(--accent)}.topbar-link:focus-visible,.topbar-icon-link:focus-visible,.viewer-page-pill:focus-visible{outline:2px solid color-mix(in oklab,var(--accent),var(--panel) 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.canvas-grid{transition:none}.canvas-grid.spread{justify-content:flex-start;min-width:max-content}.render-state{position:absolute;left:50%;bottom:1rem;z-index:3;transform:translate(-50%);margin:0;padding:.45rem .8rem;border-radius:999px;background:color-mix(in oklab,var(--panel),var(--bg) 20%);color:var(--text);box-shadow:0 8px 18px #0b1c221f;font-size:.9rem}.viewer-side-nav{position:fixed;top:50%;transform:translateY(-50%);z-index:7;width:3rem;height:3rem;min-width:0;min-height:0;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0;color:var(--control-text);background:color-mix(in oklab,var(--panel),var(--bg) 20%);border:1px solid color-mix(in oklab,var(--line),var(--bg) 14%);box-shadow:0 6px 20px 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36%)}.viewer-fab{position:fixed;left:50%;transform:translate(-50%);bottom:max(.85rem,env(safe-area-inset-bottom));z-index:9;display:flex;align-items:center;gap:.4rem;min-width:5rem;min-height:3rem;padding:0 1.1rem;border-radius:999px;color:var(--control-text);box-shadow:0 12px 28px #07151938}.viewer-pen-fab{position:fixed;right:max(.8rem,env(safe-area-inset-right));bottom:max(.85rem,env(safe-area-inset-bottom));z-index:9;width:3.4rem;height:3.4rem;min-width:0;min-height:0;padding:0;border-radius:999px;display:flex;align-items:center;justify-content:center;color:var(--control-text);box-shadow:0 12px 28px #07151938}.viewer-pen-fab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.draw-controls{position:fixed;right:max(.8rem,env(safe-area-inset-right));bottom:calc(max(.85rem,env(safe-area-inset-bottom)) + 4rem);z-index:9;display:flex;flex-direction:column;gap:.5rem;align-items:flex-end}.draw-control-row{display:flex;gap:.42rem;justify-content:flex-end}.draw-ctrl-btn{width:3rem;height:3rem;min-width:0;min-height:0;padding:0;border-radius:999px;display:flex;align-items:center;justify-content:center;color:var(--control-text);box-shadow:0 6px 16px #07151929}.draw-ctrl-btn.active{border-color:var(--accent);color:var(--accent);font-weight:700}.draw-ctrl-color{width:2.5rem;height:2.5rem;border:2px solid color-mix(in oklab,var(--text),var(--panel) 60%)}.draw-ctrl-color.active{outline:3px solid var(--accent);outline-offset:2px}.draw-ctrl-size{width:2.5rem;height:2.5rem;font-size:.76rem;font-family:IBM Plex Mono,monospace}@media(max-width:1180px){.icon-button{width:2.5rem;min-width:2.5rem;height:2.5rem}}@media(max-width:860px){.app-shell{width:calc(100% - 1rem);padding-top:.4rem}.topbar{grid-template-columns:minmax(0,1fr) auto;gap:.45rem;padding:.5rem .7rem;border-radius:12px;top:.35rem}.topbar-nav{width:auto;justify-content:flex-end}.topbar-link{font-size:.92rem}.topbar-icon-link{width:2.1rem;min-width:2.1rem;height:2.1rem}.offline-pill{font-size:.82rem}.toast{right:.5rem;bottom:.7rem;min-width:calc(100vw - 1rem);max-width:calc(100vw - 1rem)}.pwa-update-banner{left:.5rem;bottom:.6rem;min-width:calc(100vw - 1rem);max-width:calc(100vw - 1rem)}.topbar-link.current{max-width:100%}.actions{width:auto;justify-content:flex-end}.actions button{flex:0 0 auto}.icon-button{width:2.2rem;min-width:2.2rem;height:2.2rem}.icon-button svg{width:1rem;height:1rem}.controls-toggle{display:none}.offline-actions-row{grid-template-columns:repeat(2,minmax(0,1fr))}.action-btn{min-height:2.35rem;font-size:.9rem}.action-btn span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-stage{height:62vh;border-radius:16px}.viewer-shell-header{flex-direction:column}.viewer-status-cluster{width:100%;justify-content:space-between}.viewer-tools{max-height:min(82vh,46rem)}.viewer-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.draw-controls{right:max(.6rem,env(safe-area-inset-right));bottom:calc(max(.85rem,env(safe-area-inset-bottom)) + 4.35rem);gap:.42rem}.draw-control-row{gap:.35rem}.draw-ctrl-btn{width:2.8rem;height:2.8rem}.draw-ctrl-color,.draw-ctrl-size{width:2.35rem;height:2.35rem}}.topbar-logo{width:clamp(2.3rem,4.2vw,3rem);height:clamp(2.3rem,4.2vw,3rem);border-radius:12px;object-fit:cover;border:1px solid color-mix(in oklab,var(--line),var(--bg) 14%);box-shadow:0 8px 18px #07151929;flex:0 0 auto}.topbar-title{min-width:0}@media(max-width:480px){.draw-controls{right:max(.5rem,env(safe-area-inset-right));bottom:calc(max(.85rem,env(safe-area-inset-bottom)) + 4.6rem);gap:.36rem}.topbar-main{gap:.55rem}.topbar-logo{width:2.1rem;height:2.1rem;border-radius:10px}.draw-control-row{gap:.3rem}.draw-ctrl-btn{width:2.7rem;height:2.7rem}.draw-ctrl-color,.draw-ctrl-size{width:2.2rem;height:2.2rem}}@media(min-width:861px){.sheet-viewer{padding-right:6rem;padding-bottom:1rem}.viewer-primary-bar{left:auto;right:1rem;bottom:1rem;width:min(28rem,calc(100vw - 8rem))}.viewer-tools{top:1rem;bottom:1rem;left:auto;right:1rem;width:min(25rem,calc(100vw - 6rem));max-height:none;border-radius:24px;transform:translate(calc(100% + 2rem))}.viewer-tools.open{transform:translate(0)}.viewer-landscape .pdf-stage{height:min(78vh,46rem)}}