:root{--bg: #f6f7fb;--surface: #ffffff;--surface-2: #fafbff;--surface-3: #eef1f7;--border: #e2e5ee;--text: #1c2233;--muted: #7b8399;--primary: #4f46e5;--primary-contrast: #ffffff;--primary-soft: #eef2ff;--danger: #dc2626;--danger-soft: #fef2f2;--danger-border: #fecaca;color-scheme:light}:root[data-theme=dark]{--bg: #0e1016;--surface: #161922;--surface-2: #1b1f2a;--surface-3: #232838;--border: #2a2f3d;--text: #e6e8ef;--muted: #8b93a7;--primary: #818cf8;--primary-contrast: #10121a;--primary-soft: #262b45;--danger: #f87171;--danger-soft: #3a1f24;--danger-border: #5b2a2a;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);transition:background .15s ease,color .15s ease}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;padding:6px 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0}.app{max-width:1400px;margin:0 auto;padding:20px 24px 40px}.splash{min-height:100vh;display:grid;place-items:center;font-weight:600}.topbar{display:flex;align-items:center;gap:16px;padding:8px 0 20px;flex-wrap:wrap}.brand h1{margin:0;font-size:22px}.month-nav{display:flex;align-items:center;gap:8px;margin-left:auto}.month-label{min-width:150px;text-align:center;font-weight:600}.user-actions{display:flex;align-items:center;gap:8px}.user-chip{display:flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid var(--border);border-radius:999px;background:var(--surface)}.user-name{font-weight:600;font-size:13px}.role-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:2px 6px;border-radius:999px;background:var(--primary-soft);color:var(--primary)}.theme-toggle{font-size:15px;line-height:1;padding:7px 10px}.theme-toggle.floating{position:fixed;top:18px;right:18px;z-index:5}.subjects-bar{background:var(--surface);border:1px solid 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var(--border)}.panel-subject{font-size:16px;font-weight:600}.panel-body{padding:16px}.stack{display:flex;flex-direction:column;gap:12px}.kind-toggle{display:flex;gap:8px}.kind-toggle button{flex:1}.kind-toggle button.active{background:var(--primary);border-color:var(--primary);color:var(--primary-contrast)}.file-picker{display:inline-flex;align-items:center;justify-content:center;padding:10px;border:1px dashed var(--border);border-radius:8px;cursor:pointer;background:var(--surface-2)}.file-picker input{display:none}.staged-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.staged-list li{display:flex;align-items:center;gap:6px;font-size:13px;border:1px solid var(--border);border-radius:8px;padding:4px 8px}.staged-list button{padding:2px 8px}.staged-index{color:var(--muted);width:16px}.staged-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-meta{display:flex;align-items:center;gap:10px}.note-meta 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env(safe-area-inset-bottom))}.day-slot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.day-slot{width:100%;min-height:60px;display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);text-align:left}.day-slot-dot{width:12px;height:12px;border-radius:999px;flex-shrink:0}.day-slot-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.day-slot-name{font-weight:600;font-size:14px}.day-slot-status{font-size:12px;font-weight:700;color:var(--primary);flex-shrink:0}.day-slot-status.filled{color:var(--muted)}@media (max-width: 820px){.app{padding:10px 10px 28px}.topbar{gap:8px;padding:4px 0 12px}.brand{display:flex;align-items:baseline;gap:6px}.brand 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h4{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.marker-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.marker-item{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:6px 8px}.marker-swatch{width:11px;height:11px;border-radius:3px;flex-shrink:0}.marker-title{flex:1;min-width:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.marker-vis{font-size:11px;flex-shrink:0}.marker-item .link.danger{flex-shrink:0}.marker-form{display:flex;flex-direction:column;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:8px}.marker-form input{width:100%}.marker-form-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.marker-colors{display:flex;gap:5px;flex-wrap:wrap}.marker-form-row button[type=submit]{margin-left:auto}.day-panel h4,.sheet-subhead{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:16px;overflow-y:auto;background:#0a0c1480}.modal-card{width:100%;max-width:440px;display:flex;flex-direction:column;gap:12px;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:0 24px 70px #00000047}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.modal-head h3{margin:0;font-size:17px}.modal-card select{width:100%}.date-range{display:grid;grid-template-columns:1fr 1fr;gap:10px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:2px}.modal-card code{font-size:11px}@media (max-width: 820px){.modal-overlay{padding:12px;place-items:end center;background:#0a0c148c}.modal-card{max-width:none;border-radius:16px 16px 0 0;padding-bottom:calc(18px + env(safe-area-inset-bottom))}}