:root{color-scheme:dark;--bg: #121820;--panel: rgba(18, 24, 32, .92);--line: rgba(255, 255, 255, .1);--text: #e8eef7;--muted: #9aa7b8;--accent: #3d8bfd;--not: #9aa0a6;--ship: #1a73e8;--inst: #1e8e3e;--danger: #d93025;--safe-top: env(safe-area-inset-top, 0px);--safe-right: env(safe-area-inset-right, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--touch-min: 44px;font-family:Segoe UI,IBM Plex Sans,system-ui,sans-serif}*{box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-family:Segoe UI,IBM Plex Sans,system-ui,-apple-system,Roboto,Arial,sans-serif;font-size:1rem;line-height:1.4;-webkit-font-smoothing:antialiased}html,body,#root{margin:0;width:100%;height:100%;height:100dvh;background:var(--bg);color:var(--text);overflow:hidden}button,input,select{font:inherit}.app{display:grid;grid-template-columns:320px 1fr;height:100%;height:100dvh;max-width:100vw;overflow:hidden}.mobile-bar{display:none}.desktop-only{display:contents}.brand-block.desktop-only{display:flex}.viewer-pane{position:relative;min-width:0;min-height:0;height:100%;overflow:hidden;background:radial-gradient(1200px 600px at 70% 20%,rgba(61,139,253,.12),transparent 60%),linear-gradient(180deg,#15202e,#0d121a 70%)}.hud-hint-touch{display:none}@media(max-width:900px){.app{grid-template-columns:1fr;grid-template-rows:auto 1fr;padding-bottom:var(--safe-bottom)}.mobile-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;padding-top:calc(8px + var(--safe-top));padding-left:calc(10px + var(--safe-left));padding-right:calc(10px + var(--safe-right));border-bottom:1px solid var(--line);background:#15202e;z-index:5}.mobile-bar-brand{display:flex;align-items:center;gap:8px;min-width:0}.brand-logo-sm{width:auto;max-width:200px;height:56px}.mobile-bar-title{font-weight:700;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-tabs{display:flex;gap:4px;flex-shrink:0;background:#0f1520;border:1px solid var(--line);border-radius:10px;padding:3px}.mobile-tab{min-height:var(--touch-min);min-width:72px;padding:0 14px;border:none;border-radius:8px;background:transparent;color:var(--muted);font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent}.mobile-tab.active{background:#1f4b8f;color:var(--text)}.desktop-only,.brand-block.desktop-only{display:none!important}.sidebar,.viewer-pane{grid-row:2;grid-column:1;min-height:0}.app.pane-list .sidebar{display:flex;z-index:2}.app.pane-list .viewer-pane{visibility:hidden;pointer-events:none;z-index:1}.app.pane-model .viewer-pane{display:block;visibility:visible;pointer-events:auto;z-index:2}.app.pane-model .sidebar{visibility:hidden;pointer-events:none;z-index:1;overflow:hidden}.sidebar{max-height:none;height:100%;overflow:auto;overflow-x:hidden;border-right:none;-webkit-overflow-scrolling:touch;padding-left:calc(14px + var(--safe-left));padding-right:calc(14px + var(--safe-right));padding-bottom:calc(16px + var(--safe-bottom))}.chip.hud-hint-desktop{display:none}.chip.hud-hint-touch{display:inline-flex}.modal-backdrop{padding:0;align-items:stretch}.modal{width:100%;max-width:none;min-height:100%;max-height:100%;border-radius:0;overflow:auto;-webkit-overflow-scrolling:touch;padding:calc(16px + var(--safe-top)) calc(16px + var(--safe-right)) calc(16px + var(--safe-bottom)) calc(16px + var(--safe-left))}.modal-actions{position:sticky;bottom:0;background:#15202e;padding-top:8px;padding-bottom:var(--safe-bottom)}.table-wrap{max-height:min(40vh,320px);max-width:100%;overflow-x:auto;overflow-y:auto;-webkit-overflow-scrolling:touch}.table-wrap-marks{max-height:min(58vh,520px)}.section-chip{min-height:var(--touch-min);padding:10px 16px}.hud{left:calc(10px + var(--safe-left));right:calc(10px + var(--safe-right));bottom:calc(10px + var(--safe-bottom))}}.sidebar{background:var(--panel);border-right:1px solid var(--line);padding:14px;display:flex;flex-direction:column;gap:12px;overflow:auto;overflow-x:hidden;min-width:0}.sidebar-top{display:grid;gap:10px;flex-shrink:0}.section-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-bottom:2px}.section-chip{border:1px solid var(--line);background:#0f1520;color:var(--text);border-radius:10px;padding:12px 10px;min-height:44px;font-size:.92rem;font-weight:700;cursor:pointer;white-space:nowrap;text-align:center;-webkit-tap-highlight-color:transparent}.section-chip.active{background:#1f4b8f;border-color:#3d8bfd;color:#fff;box-shadow:inset 0 0 0 1px #3d8bfd73}.section-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sidebar>*{flex-shrink:0}.sidebar-footer{position:sticky;bottom:0;z-index:1;flex-shrink:0;margin-top:auto;padding:8px 0 4px;background:var(--panel);border-top:1px solid var(--line);font-size:.72rem;line-height:1.3;color:var(--muted);letter-spacing:.02em;-webkit-user-select:all;user-select:all}.section-panel{display:flex;flex-direction:column;gap:12px;min-height:auto;flex:1 0 auto}.table-wrap-marks{max-height:min(52vh,480px);flex:1}tbody tr.row-active{background:#3d8bfd2e}tbody tr.row-active 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span:nth-child(odd){color:var(--muted)}.hint-same{font-size:.8rem;color:#ffb74d}.modal-backdrop{position:fixed;inset:0;z-index:40;background:#060a10b8;display:grid;place-items:center;padding:16px;padding-top:calc(16px + var(--safe-top));padding-bottom:calc(16px + var(--safe-bottom))}.modal{width:min(440px,100%);max-height:min(92vh,920px);overflow:auto;background:#15202e;border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;gap:12px;box-shadow:0 16px 48px #00000073}.modal h2{margin:0;font-size:1.1rem}.modal-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.modal-actions .btn{flex:1 1 auto;min-width:120px}.import-progress{font-size:.85rem;color:var(--muted);min-height:1.2em}.warn{color:#ffb74d;font-size:.85rem}@media(hover:none){.btn:hover{border-color:var(--line)}.btn.primary:hover{border-color:#3d8bfd}.btn:active{border-color:var(--accent)}}.mark-groups{display:flex;flex-wrap:wrap;gap:6px}.mark-group-chip{min-height:36px;padding:6px 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b{color:#d9a6ff}.area-bar{display:none}@media(max-width:900px){.area-bar{display:flex;flex-direction:column;gap:6px;position:absolute;top:8px;left:8px;right:8px;z-index:5;padding:8px 10px;background:#0a0e14eb;border:1px solid #b44dff;border-radius:12px}.area-bar-title{color:#d9a6ff;font-weight:700;font-size:.8rem;letter-spacing:.04em}.area-bar .btn{min-height:40px}}.login-screen{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px;background:var(--bg);color:var(--text)}.login-card{width:min(380px,100%);display:grid;gap:10px;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.login-card h1{margin:4px 0 0;font-size:1.3rem}.login-card input{background:#0f1520;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:10px 12px;min-height:var(--touch-min);font-size:16px}.login-card .btn{margin-top:6px}.user-box{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;background:#0f1520;border:1px solid var(--line);border-radius:10px}.user-box-info{display:grid;min-width:0}.user-box-info b,.user-box-info .sub{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-box-actions{display:flex;gap:6px;flex-shrink:0}.user-box-actions .btn{padding:6px 10px;min-height:36px}.users-list{display:grid;gap:10px}.user-card{display:grid;gap:6px;padding:10px;background:#0f1520;border:1px solid var(--line);border-radius:10px}.user-card.user-off{opacity:.6}.user-head{display:grid}.role-checks{display:grid;gap:0}.user-create{display:grid;gap:8px}.share-links{display:grid;gap:6px;padding:10px;background:#0f1520;border:1px solid var(--line);border-radius:10px}.share-list{display:grid;gap:6px;margin-top:6px}.share-item{display:grid;gap:4px;padding:8px;border:1px solid var(--line);border-radius:8px}.share-url{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.view-only-note{padding:8px 10px;border:1px dashed var(--line);border-radius:8px}