:root{--bg: #f0f2f5;--surface: #ffffff;--surface-alt: #fafafa;--border: #d1d5db;--border-strong: #b0b7c3;--text: #1a1a2e;--text-muted: #666666;--text-faint: #888888;--slot-bg: #f9f9f9;--input-border: #d1d5db;--input-bg: #ffffff;--btn-outline-bg: #ffffff;--btn-outline-hover: #f1f8e9;--shadow-card: 0 4px 24px rgba(0,0,0,.1);--shadow-panel: 0 2px 12px rgba(0,0,0,.08)}@media (prefers-color-scheme: dark){:root{--bg: #0f1117;--surface: #1a1d27;--surface-alt: #14161f;--border: #3a3e52;--border-strong: #565b78;--text: #e8eaf0;--text-muted: #9ca3af;--text-faint: #6b7280;--slot-bg: #1e2130;--input-border: #3d4154;--input-bg: #14161f;--btn-outline-bg: #1a1d27;--btn-outline-hover: #1a2e1a;--shadow-card: 0 4px 24px rgba(0,0,0,.4);--shadow-panel: 0 2px 12px rgba(0,0,0,.3)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.page-center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{background:var(--surface);border-radius:12px;box-shadow:var(--shadow-card);padding:40px 48px;width:100%;max-width:480px}.card h1{font-size:1.8rem;font-weight:700;margin-bottom:8px}.card h2{font-size:1.4rem;font-weight:600;margin-bottom:8px}.subtitle{color:var(--text-muted);margin-bottom:28px;line-height:1.5}label{display:block;font-weight:500;margin-bottom:6px;font-size:.95rem}input[type=text]{width:100%;padding:10px 14px;border:1.5px solid var(--input-border);border-radius:8px;font-size:1rem;margin-bottom:16px;outline:none;transition:border-color .15s;background:var(--input-bg);color:var(--text)}input[type=text]:focus{border-color:#4caf50}button[type=submit],.btn{display:inline-block;width:100%;padding:11px 20px;background:#4caf50;color:#fff;font-size:1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;text-align:center;text-decoration:none;transition:background .15s}button[type=submit]:hover,.btn:hover{background:#388e3c}button[type=submit]:disabled{background:#a5d6a7;cursor:not-allowed}.error{color:#c62828;font-size:.9rem;margin-top:10px}#calendar-section{display:flex;flex-direction:column;min-height:100vh}.cal-header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 24px;position:sticky;top:0;z-index:100}.cal-header-inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.cal-header h1{font-size:1.3rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-right{display:flex;align-items:center;gap:14px;flex-shrink:0}.header-greeting{font-size:.95rem;color:var(--text-muted)}.btn-secondary{padding:7px 16px;background:var(--btn-outline-bg);color:#388e3c;border:1.5px solid #4caf50;border-radius:7px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .12s;text-decoration:none}.btn-secondary:hover{background:var(--btn-outline-hover)}.cal-main{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:24px;max-width:1400px;margin:0 auto;width:100%}@media (max-width: 900px){.cal-main{grid-template-columns:1fr}}.cal-panel{background:var(--surface);border-radius:12px;box-shadow:var(--shadow-panel);padding:20px;display:flex;flex-direction:column}.cal-panel h2{font-size:1.1rem;font-weight:600;margin-bottom:6px}.cal-hint{font-size:.83rem;color:var(--text-muted);margin-bottom:12px;display:flex;align-items:center;gap:4px;flex-wrap:wrap}.legend{display:inline-flex;align-items:center;gap:4px}.swatch{display:inline-block;width:14px;height:14px;border-radius:3px;border:1px solid rgba(0,0,0,.12);vertical-align:middle}.swatch.green{background:#4caf50}.swatch.light-green{background:#a5d6a7}.swatch.dark-green{background:#1b5e20}.cal-scroll-wrap{overflow:auto;flex:1;border-radius:6px;border:1px solid var(--border)}.calendar-grid{display:grid;grid-template-columns:52px repeat(7,minmax(36px,1fr));grid-template-rows:28px repeat(36,26px);user-select:none;-webkit-user-select:none;min-width:320px}.cal-cell{border-right:1px solid var(--border);border-bottom:1px solid var(--border);font-size:.72rem;display:flex;align-items:center;justify-content:center}.cal-corner{background:var(--surface-alt);position:sticky;top:0;left:0;z-index:3}.cal-day-header{background:var(--surface-alt);font-weight:600;font-size:.78rem;position:sticky;top:0;z-index:2;border-bottom:2px solid var(--border-strong)}.cal-time-label{background:var(--surface-alt);position:sticky;left:0;z-index:1;color:var(--text-faint);padding-right:4px;font-size:.68rem;justify-content:flex-end;white-space:nowrap;border-right:2px solid var(--border-strong)}.slot{background:var(--slot-bg);cursor:pointer;transition:filter .05s}.slot:hover{filter:brightness(.93)}.calendar-grid.readonly .slot{cursor:default}.calendar-grid.readonly .slot:hover{filter:none}.cal-tooltip{position:absolute;z-index:1000;background:#1e2430;color:#f0f2f5;border-radius:8px;padding:10px 13px;font-size:.82rem;line-height:1.5;pointer-events:none;max-width:200px;box-shadow:0 4px 16px #00000040;opacity:0;transition:opacity .1s}.cal-tooltip.visible{opacity:1}.cal-tooltip-title{font-weight:600;font-size:.8rem;color:#9ca3af;margin-bottom:6px;white-space:nowrap}.cal-tooltip-section{display:flex;flex-direction:column;gap:2px;margin-bottom:4px}.cal-tooltip-section span:before{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle;content:""}.cal-tooltip-section.available span:before{background:#4caf50}.cal-tooltip-section.no-response span:before{background:#6b7280}.cal-tooltip-empty{color:#9ca3af;font-style:italic}