@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%);--viewer-page-active-bg: var(--accent-strong);--viewer-page-active-text: #f5fbff;--viewer-page-active-border: color-mix(in oklab, var(--accent-strong), #000 18%);--viewer-page-active-ring: color-mix(in oklab, var(--accent), transparent 55%);--offline-pill-border: color-mix(in oklab, var(--danger), var(--line) 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.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{display:flex;flex-wrap:wrap;justify-content:flex-end;row-gap:.35rem;pointer-events:auto}.viewer-reset-link{font-size:.82rem;font-weight:700;border-color:color-mix(in oklab,var(--line),var(--danger) 45%);color:color-mix(in oklab,var(--danger),var(--control-text) 34%)}.viewer-reset-link:hover,.viewer-reset-link:focus-visible{border-color:color-mix(in oklab,var(--danger),var(--line) 30%);background:color-mix(in oklab,var(--danger),var(--panel) 82%);color:color-mix(in oklab,#6d0f0f,var(--text) 12%)}:root.dark 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.topbar{opacity:0;pointer-events:none}.viewer-side-nav--prev{left:max(.75rem,env(safe-area-inset-left))}.viewer-side-nav--next{right:max(.75rem,env(safe-area-inset-right))}.viewer-side-nav:disabled{opacity:.38;cursor:not-allowed;pointer-events:none}.viewer-pages-nav{position:fixed;right:max(.5rem,env(safe-area-inset-right));left:auto;top:50%;transform:translateY(-50%);z-index:8;display:flex;flex-direction:column;gap:.4rem;padding:.5rem 0;width:2.8rem;max-height:80vh;overflow-y:auto;overflow-x:hidden;pointer-events:auto}.viewer-pages-nav-btn{min-width:2.2rem;width:2.2rem;height:2.2rem;padding:0;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;color:var(--control-text);background:color-mix(in oklab,var(--panel),var(--bg) 8%);border:1px solid color-mix(in oklab,var(--line),var(--bg) 10%);cursor:pointer;transition:all .12s ease-out}.viewer-pages-nav-btn:hover{background:color-mix(in oklab,var(--panel),var(--bg) 16%);border-color:color-mix(in oklab,var(--line),var(--bg) 25%)}.viewer-pages-nav-btn.active{background:var(--viewer-page-active-bg);color:var(--viewer-page-active-text);border-color:var(--viewer-page-active-border);font-weight:700;box-shadow:0 0 0 2px var(--viewer-page-active-ring)}.viewer-pages-nav-btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.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-nav-mode-fab{position:fixed;left:max(.8rem,env(safe-area-inset-left));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-nav-mode-fab.active,.viewer-pen-fab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.draw-controls{position:fixed;left:max(0rem,env(safe-area-inset-left));right:max(0rem,env(safe-area-inset-right));bottom:max(0rem,env(safe-area-inset-bottom));z-index:10;display:grid;justify-items:center;gap:.42rem;padding:0 .55rem;pointer-events:none}.draw-controls>*{pointer-events:auto}.draw-sheet-dock{width:min(20rem,calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right) - 1.1rem));min-height:2.8rem;display:flex;align-items:center;gap:.3rem;padding:.35rem;border-radius:14px 14px 0 0;border:1px solid color-mix(in oklab,var(--line),var(--bg) 12%);background:color-mix(in oklab,var(--panel),var(--bg) 14%);box-shadow:0 10px 24px #07151933;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:box-shadow .14s ease,border-color .14s ease,transform .14s ease}.draw-sheet-toggle,.draw-color-trigger,.draw-sheet-close{min-height:2.1rem;border-radius:999px;border:1px solid color-mix(in oklab,var(--line),var(--bg) 16%);background:color-mix(in oklab,var(--control-bg-strong),var(--panel) 48%);color:var(--control-text);font-weight:600;font-size:.8rem;display:inline-flex;align-items:center;justify-content:center;gap:.35rem;padding:0 .72rem;transition:background .12s ease,border-color .12s ease,color .12s ease}.draw-sheet-toggle:hover,.draw-color-trigger:hover,.draw-sheet-close:hover{border-color:var(--accent);background:color-mix(in oklab,var(--accent),var(--panel) 85%)}.draw-sheet-toggle.active,.draw-color-trigger.active{border-color:var(--accent);background:color-mix(in oklab,var(--accent),var(--panel) 78%);color:color-mix(in oklab,var(--accent),var(--text) 18%)}.draw-sheet-toggle{margin-right:0}.draw-color-trigger{padding:0 .6rem}.draw-sheet-toggle-icon{width:1rem;height:1rem;flex:0 0 auto}.draw-color-chip{width:.95rem;height:.95rem;border-radius:999px;border:2px solid color-mix(in oklab,var(--line),var(--bg) 8%);background:var(--swatch);box-shadow:inset 0 0 0 1px #ffffff47}.draw-sheet-close{border-color:color-mix(in oklab,var(--line),var(--danger) 38%);color:color-mix(in oklab,var(--danger),var(--control-text) 35%);margin-left:auto}.draw-controls.is-expanded .draw-sheet-dock{box-shadow:0 8px 18px #07151929;transform:translateY(-1px)}.draw-color-picker-panel{width:min(20rem,calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right) - 1.1rem));display:grid;justify-items:center;padding:.6rem;border-radius:14px;border:1px solid color-mix(in oklab,var(--line),var(--bg) 12%);background:color-mix(in oklab,var(--panel),var(--bg) 14%);box-shadow:0 12px 24px #0715193d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:draw-panel-enter .14s ease-out}.draw-controls-body{width:min(24rem,calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right) - 1.1rem));display:grid;gap:.42rem;padding:.55rem;border-radius:14px;border:1px solid color-mix(in oklab,var(--line),var(--bg) 12%);background:color-mix(in oklab,var(--panel),var(--bg) 14%);box-shadow:0 12px 24px #0715193d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:draw-panel-enter .14s ease-out}@keyframes draw-panel-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.draw-controls-body,.draw-color-picker-panel{animation:none}.draw-sheet-dock,.draw-sheet-toggle,.draw-color-trigger,.draw-sheet-close{transition:none}}.draw-control-row{display:flex;width:100%;gap:.42rem;justify-content:center}.draw-tool-row{flex-direction:row;flex-wrap:nowrap;max-width:none;align-items:center}.draw-size-row{align-items:center;gap:.6rem;padding:.2rem .45rem;border-radius:999px;border:1px solid color-mix(in oklab,var(--line),var(--bg) 14%);background:color-mix(in oklab,var(--control-bg-strong),var(--panel) 45%)}.draw-size-label{display:inline-flex;align-items:center;gap:.35rem;font-size:.74rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--control-text)}.draw-size-value{display:inline-flex;align-items:center;justify-content:center;min-width:1.75rem;height:1.6rem;padding:0 .35rem;border-radius:999px;border:1px solid color-mix(in oklab,var(--line),var(--bg) 16%);background:color-mix(in oklab,var(--panel),var(--bg) 12%);font-family:IBM Plex Mono,monospace;font-size:.72rem;font-weight:700;letter-spacing:0;text-transform:none}.draw-size-slider{flex:1;min-width:7rem;accent-color:var(--accent)}.draw-action-row{padding:.35rem;border-radius:999px;border:1px solid color-mix(in oklab,var(--line),var(--bg) 14%);background:color-mix(in oklab,var(--control-bg-strong),var(--panel) 45%);box-shadow:0 8px 18px #07151929}.draw-ctrl-btn{width:2.7rem;height:2.7rem;min-width:0;min-height:0;padding:0;border-radius:999px;display:flex;align-items:center;justify-content:center;color:var(--control-text);border-color:color-mix(in oklab,var(--line),var(--bg) 12%);background:color-mix(in oklab,var(--control-bg-strong),var(--panel) 45%);box-shadow:0 6px 16px #07151929;transition:transform .14s ease,box-shadow .14s ease,border-color .14s ease,background .14s ease,color .14s ease}.draw-ctrl-btn:disabled{opacity:.42;cursor:not-allowed;pointer-events:none}.draw-ctrl-btn.active{border-color:var(--accent);background:color-mix(in oklab,var(--accent),var(--panel) 14%);color:var(--viewer-page-active-text);font-weight:700;transform:translateY(-1px) scale(1.04);box-shadow:0 0 0 3px var(--viewer-page-active-ring),0 10px 22px #07151942}:root.dark .draw-ctrl-btn.active{color:#fff}.draw-ctrl-btn:focus-visible{outline:3px solid color-mix(in oklab,var(--accent),transparent 45%);outline-offset:2px}:root.dark .draw-ctrl-size{color:var(--text)}.draw-ctrl-color{width:2.3rem;height:2.3rem;border:2px solid color-mix(in oklab,var(--text),var(--panel) 60%);background-color:var(--swatch)}.draw-ctrl-color.active{outline:3px solid var(--accent);outline-offset:2px;background-color:var(--swatch);border-color:var(--accent)}.draw-ctrl-tool{width:2.7rem;min-width:2.7rem;padding:0}.draw-tool-icon{width:1.28rem;height:1.28rem;transition:transform .14s ease}.draw-tool-icon--pen .tool-accent{fill:#93c5fd;stroke:#1d4ed8}.draw-ctrl-tool.active .draw-tool-icon{transform:scale(1.1)}.draw-tool-icon--highlighter .tool-accent{fill:#facc15;stroke:#b45309}.draw-tool-icon--eraser .tool-accent{fill:#f9a8d4;stroke:#be185d}@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}.topbar-icon-link.theme-toggle{width:auto;min-width:2.1rem;min-height:2.1rem;height:auto;padding-inline:.62rem;gap:.38rem}.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}.draw-controls{left:max(0rem,env(safe-area-inset-left));right:max(0rem,env(safe-area-inset-right));bottom:max(0rem,env(safe-area-inset-bottom));gap:.42rem;padding:0 .5rem}.draw-controls-body{padding:.35rem;border-radius:14px;gap:.35rem}.draw-sheet-dock,.draw-color-picker-panel,.draw-controls-body{width:min(19rem,calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right) - 1rem))}.viewer-reset-link{font-size:.78rem;min-height:2.1rem;padding:.25rem .62rem}.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{left:max(0rem,env(safe-area-inset-left));right:max(0rem,env(safe-area-inset-right));bottom:max(0rem,env(safe-area-inset-bottom));gap:.36rem;padding:0 .35rem}.draw-sheet-dock,.draw-color-picker-panel,.draw-controls-body{width:min(18rem,calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right) - .7rem))}.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:1rem;padding-bottom:1rem}.viewer-primary-bar{left:auto;right:1rem;bottom:1rem;width:min(28rem,calc(100vw - 8rem))}.viewer-landscape .pdf-stage{height:min(78vh,46rem)}}