:root{--bg: #0f1117;--surface: #1a1d27;--surface2: #232636;--border: #2e3248;--text: #e4e6f0;--text-dim: #8b8fa8;--accent: #6c8cff;--accent-glow: rgba(108,140,255,.18);--danger: #ff6b6b;--hour-day: rgba(108,140,255,.12);--hour-night: rgba(10,10,20,.7);--hour-work: rgba(108,140,255,.25);--hour-weekend: rgba(150,120,255,.12);--hour-weekend-night: rgba(30,15,50,.6);--hour-weekend-work: rgba(150,120,255,.22);--now-line: #6c8cff;--selection: #f0a050;--selection-glow: rgba(240,160,80,.2);--day-start: #0f1117;--radius: 12px;--radius-sm: 8px;color-scheme:dark}[data-theme=light]{--bg: #f0f2f5;--surface: #ffffff;--surface2: #e8eaef;--border: #d0d3dc;--text: #1a1d27;--text-dim: #6b6f85;--accent: #4a6cdf;--accent-glow: rgba(74,108,223,.14);--danger: #e04545;--hour-day: rgba(74,108,223,.1);--hour-night: rgba(180,185,205,.5);--hour-work: rgba(74,108,223,.22);--hour-weekend: rgba(140,110,220,.1);--hour-weekend-night: rgba(180,170,210,.45);--hour-weekend-work: rgba(140,110,220,.2);--now-line: #4a6cdf;--selection: #d08030;--selection-glow: rgba(208,128,48,.18);--day-start: #f0f2f5;--radius: 12px;--radius-sm: 8px;color-scheme:light}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;overflow-x:hidden;display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-wrap:wrap;gap:8px}.logo{font-size:20px;font-weight:700;letter-spacing:-.5px;display:flex;align-items:center;gap:8px;white-space:nowrap}.logo svg{flex-shrink:0}.header-controls{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.header-left{display:flex;align-items:center;gap:6px;min-width:0;flex:1;overflow:visible}.sel-area{display:flex;align-items:center;gap:6px;min-width:0;flex:1;overflow:hidden}.header-hint{color:var(--text-dim);font-size:12px;white-space:nowrap}.sel-times{display:flex;gap:10px;overflow:hidden;min-width:0;scrollbar-width:none}.sel-times::-webkit-scrollbar{display:none}.sel-item{font-size:12px;color:var(--text);white-space:nowrap;font-variant-numeric:tabular-nums}.sel-area .sel-action-btn{display:none;background:none;border:none;color:var(--text-dim);cursor:pointer;padding:4px;border-radius:6px;align-items:center;transition:all .15s;flex-shrink:0}.sel-area.has-selection .sel-action-btn{display:flex}.sel-area 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