:root{--bg: #f7f7f5;--panel: #ffffff;--border: #e2e2dd;--text: #23231f;--muted: #8a8a82;--accent: #3b6ea5;--fixed: #b5651d;--danger: #c0392b;--now: #e8f0e0;--now-border: #6a9a3a;--active: #dbe7f3;--cell-h: 34px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app{max-width:1100px;margin:0 auto;padding:16px}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.app-header h1{font-size:18px;margin:0}.link-btn{background:none;border:none;color:var(--accent);cursor:pointer}.app-loading,.board-loading{padding:40px;text-align:center;color:var(--muted)}.login-gate{max-width:320px;margin:60px auto;display:flex;flex-direction:column;gap:10px;background:var(--panel);padding:24px;border:1px solid var(--border);border-radius:8px}.login-gate input{padding:8px;border:1px solid var(--border);border-radius:6px}.login-gate button{padding:8px;border:none;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}.login-gate button:disabled{opacity:.5;cursor:not-allowed}.board-nav{display:flex;gap:8px;align-items:center;margin-bottom:12px}.board-nav button,.board-nav input{padding:6px 10px;border:1px solid var(--border);border-radius:6px;background:var(--panel);cursor:pointer}.board-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.day-column{background:var(--panel);border:1px solid var(--border);border-radius:8px;overflow:hidden}.day-center{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.day-header{margin:0;padding:8px;font-size:13px;text-align:center;background:#f0f0ec;border-bottom:1px solid var(--border)}.day-slots{display:flex;flex-direction:column}.cell{display:flex;align-items:center;gap:6px;height:var(--cell-h);padding:0 6px;border-bottom:1px solid #f0f0ec}.cell-time{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px;width:40px;flex-shrink:0}.cell-title{flex:1;text-align:left;background:none;border:none;cursor:text;color:var(--text);height:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.cell-placeholder{color:#cfcfc8}.cell-input{flex:1;height:26px;border:1px solid var(--accent);border-radius:4px;padding:0 6px}.cell-fixed .cell-title{color:var(--fixed);font-weight:600}.cell-now{background:var(--now);box-shadow:inset 3px 0 0 var(--now-border)}.cell-now .cell-time{color:var(--now-border);font-weight:600}.cell-active{background:var(--active);outline:2px solid var(--accent);outline-offset:-2px}.cell-now.cell-active{background:var(--active)}.fixed-badge{margin-right:4px;font-size:11px}.delay-btn{background:none;border:1px solid var(--border);border-radius:4px;cursor:pointer;color:var(--accent);width:22px;height:22px;flex-shrink:0}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--danger);color:#fff;padding:10px 16px;border-radius:6px;box-shadow:0 4px 12px #0003;display:flex;align-items:center;gap:12px}.toast-close{background:none;border:none;color:#fff;cursor:pointer;font-size:16px}@media (max-width: 720px){.board-columns{grid-template-columns:1fr}.day-column:not(.day-center){display:none}}