:root{--ink: #1a2332;--muted: #5a6a7e;--bg: #f7f9fb;--card: #fff;--teal: #0d9488;--teal-dark: #0f766e;--border: #e3e9ef;--warn: #dc2626;--warn-bg: #fef2f2;--ok: #16a34a;--open: #bbf7d0}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,sans-serif;color:var(--ink);background:var(--bg)}.topbar{display:flex;align-items:center;gap:24px;background:var(--card);border-bottom:1px solid var(--border);padding:10px 20px;position:sticky;top:0;z-index:10}.brand{font-size:1.2rem;font-weight:800;color:var(--teal-dark)}.brand span{color:#f59e0b}.brand small{color:var(--muted);font-weight:500;margin-left:6px}.topbar nav{display:flex;gap:4px}.topbar nav button{border:none;background:none;padding:8px 16px;border-radius:8px;font-size:.95rem;cursor:pointer;color:var(--muted);font-weight:600}.topbar nav button.active{background:var(--teal);color:#fff}.conflict-pill{margin-left:auto;background:var(--warn-bg);color:var(--warn);padding:4px 12px;border-radius:999px;font-weight:700;cursor:pointer}.trial-pill{margin-left:auto;background:#fef3c7;color:#92400e;padding:4px 12px;border-radius:999px;font-weight:700;cursor:pointer;font-size:.82rem}.conflict-pill~.trial-pill{margin-left:8px}.session.moving{opacity:.45;outline:3px dashed var(--ink)}.btn[disabled],.chip[disabled]{opacity:.5;cursor:not-allowed}a.btn{text-decoration:none;display:inline-block}main{padding:20px;max-width:1300px;margin:0 auto}.panel{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px}.panel-head{display:flex;justify-content:space-between;align-items:center}h2{margin:8px 0 12px;font-size:1.2rem}h3{margin:0 0 10px;font-size:1.05rem}h4{margin:12px 0 8px}.hint{color:var(--muted);font-size:.85rem}.empty{color:var(--muted);text-align:center;padding:16px}.row{display:flex;gap:8px;margin-top:10px}.btn{border:1px solid var(--border);background:var(--card);color:var(--ink);padding:8px 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td{background:#fffbeb}.initials{font-weight:700}.dot{width:12px;height:12px;border-radius:50%;display:inline-block}.badge{font-size:.75rem;padding:2px 8px;border-radius:999px;margin-left:6px}.badge.warn{background:#fef3c7;color:#92400e}.badge.ok{background:#dcfce7;color:var(--ok)}.actions{text-align:right;white-space:nowrap}.schedule-layout{display:flex;gap:16px;align-items:flex-start}.side{width:230px;flex-shrink:0;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px}.side.detail{width:280px}.all-done{color:var(--ok);font-weight:600}.chip{display:block;width:100%;text-align:left;margin-bottom:6px;border:2px solid var(--border);background:var(--card);border-radius:8px;padding:6px 10px;font-size:.82rem;cursor:pointer}.chip.active{background:var(--teal);color:#fff;border-color:var(--teal)!important}.chip.sm{display:inline-block;width:auto;padding:3px 8px;margin:0 3px 3px 0}.placing-hint{font-size:.8rem;color:var(--teal-dark);background:#f0fdfa;padding:8px;border-radius:8px}.open-demo{display:inline-block;width:12px;height:12px;background:var(--open);border-radius:3px}.conflict-box{background:var(--warn-bg);border-radius:8px;padding:10px;margin:10px 0}.conflict-box h4{margin:0 0 6px;color:var(--warn)}.conflict-box p{font-size:.78rem;margin:4px 0;color:#7f1d1d}.grid-wrap{flex:1;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px;overflow-x:auto}.grid-header{display:flex}.grid-header .day-head{flex:1;text-align:center;font-weight:700;font-size:.85rem;padding:6px 0}.grid-header .time-col{height:auto}.grid-body{display:flex}.time-col{width:64px;flex-shrink:0;position:relative}.time-mark{height:88px;font-size:.72rem;color:var(--muted);text-align:right;padding-right:8px}.day-col{flex:1;position:relative;border-left:1px solid var(--border);min-width:130px}.slot{height:22px;border-bottom:1px dashed #eef2f6;cursor:default}.slot.blackout{background:repeating-linear-gradient(45deg,#f1f5f9,#f1f5f9 6px,#e8edf3 6px 12px)}.slot.open{background:var(--open);cursor:pointer}.slot.open:hover{background:#86efac}.session{position:absolute;left:4px;right:4px;border-radius:8px;color:#fff;padding:3px 8px;font-size:.75rem;cursor:pointer;overflow:hidden;box-shadow:0 1px 3px #0000002e}.session .s-time{opacity:.85;font-size:.68rem;display:block}.session .s-names{font-weight:700}.session.conflicted{outline:3px solid var(--warn)}.session.selected{outline:3px solid var(--ink)}.note-form{border-top:1px solid var(--border);margin-top:14px;padding-top:10px}.note-form label{display:flex;flex-direction:column;gap:3px;font-size:.78rem;font-weight:600;color:var(--muted);margin-bottom:8px}.note-preview{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px;font-size:.82rem;line-height:1.5;margin-top:6px}.blackout-list{list-style:none;padding:0}.blackout-list li{padding:8px 0;border-bottom:1px solid var(--border);font-size:.9rem;display:flex;gap:10px;align-items:center}.day-picks{display:flex;flex-wrap:wrap}.help-btn{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--border);background:var(--card);color:var(--muted);font-weight:800;cursor:pointer;margin-left:10px}.help-btn:hover{border-color:var(--teal);color:var(--teal-dark)}.tour-overlay{position:fixed;inset:0;background:#1a23328c;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.tour-card{background:var(--card);border-radius:16px;padding:28px;max-width:520px;box-shadow:0 10px 40px #00000040}.tour-card h2{margin:0 0 8px}.tour-sub{color:var(--muted);font-size:.9rem;margin-bottom:16px}.tour-step{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:.92rem}.tour-num{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem}@media print{.topbar,.side,.detail{display:none!important}main{padding:0;max-width:none}.grid-wrap{border:none}body{background:#fff}}