:root{--bg: #f7f8f9;--surface: #ffffff;--surface-2: #f6f7f9;--surface-soft: #f8f9fa;--border: #e5e7eb;--border-soft: #eef0f2;--text: #111111;--text-body: #374151;--text-dim: #6b7280;--text-faint: #9ca3af;--ink: #111111;--ink-hover: #242424;--brand: #3b82f6;--brand-600: #2563eb;--brand-soft: #eef4ff;--good: #10b981;--warn: #f59e0b;--danger: #ef4444;--danger-hover: #dc2626;--dark: #101010;--dark-2: #1a1a1a;--on-dark: #ffffff;--on-dark-soft: #a1a1aa;--radius: 12px;--radius-sm: 8px;--radius-xs: 6px;--cellw: 54px;--cellh: 30px;--shadow: 0 1px 2px rgba(17, 22, 40, .04);--shadow-lg: 0 4px 20px rgba(17, 22, 40, .08);--ring: 0 0 0 3px rgba(17, 17, 17, .07);--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font-sans);background:var(--bg);color:var(--text-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:15px 24px;min-height:64px;background:#ffffffd9;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1.15rem;letter-spacing:-.03em;color:var(--ink);text-decoration:none}.brand-mark{color:var(--brand-600);font-weight:700}.tagline{color:var(--text-faint);font-size:.85rem;align-self:center}.topbar-cta{margin-left:auto;flex:none;white-space:nowrap}@media (max-width: 560px){.topbar{padding:12px 16px}.topbar .tagline{display:none}.topbar-cta{padding:6px 12px;font-size:.8rem}}.content{flex:1;width:100%;max-width:960px;margin:0 auto;padding:32px 20px 64px}.footer{background:var(--dark);color:var(--on-dark-soft);text-align:center;padding:34px 20px}.footer-brand{display:inline-flex;align-items:center;gap:8px;color:var(--on-dark);font-weight:700;font-size:1rem;letter-spacing:-.03em;margin-bottom:8px}.footer-brand .brand-mark{color:var(--brand)}.footer-tag{font-size:.8rem;color:var(--on-dark-soft)}.banner{padding:12px 24px;font-size:.88rem}.banner-warn{background:#fffbeb;color:#92400e;border-bottom:1px solid #fde68a}.banner code{background:#78350f1a;padding:1px 5px;border-radius:4px;font-family:var(--mono);font-size:.85em}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.card h2{margin:0 0 4px;font-size:1.15rem;font-weight:600;letter-spacing:-.02em;color:var(--ink)}.card .hint{color:var(--text-dim);font-size:.86rem;margin:0 0 18px}.page-title{font-size:1.95rem;font-weight:600;letter-spacing:-.04em;line-height:1.12;color:var(--ink);margin:0 0 8px}.page-sub{color:var(--text-dim);font-size:1rem;margin:0 0 28px}.row{display:flex;gap:16px;flex-wrap:wrap}.row>*{flex:1;min-width:180px}.stack{display:flex;flex-direction:column;gap:16px}label.field{display:block;margin-bottom:14px}.field-label{display:block;font-size:.8rem;font-weight:600;color:var(--text-dim);margin-bottom:6px;letter-spacing:-.005em}input[type=text],input[type=email],input[type=number],input[type=date],select,textarea{width:100%;padding:10px 12px;height:40px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;background:var(--surface);color:var(--text);font-family:inherit;transition:border-color .12s ease,box-shadow .12s ease}textarea{height:auto;resize:vertical;min-height:90px}input::placeholder,textarea::placeholder{color:var(--text-faint)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);box-shadow:var(--ring)}div.field.tz-field{display:block;margin-bottom:14px}.tz-combo{position:relative}.tz-input{padding-right:30px}.tz-caret{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--text-faint);font-size:.7rem;pointer-events:none}.tz-list{position:absolute;z-index:40;top:calc(100% + 6px);left:0;right:0;max-height:300px;overflow-y:auto;margin:0;padding:6px;list-style:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg)}.tz-group{padding:8px 10px 4px;font-size:.68rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-faint);position:sticky;top:0;background:var(--surface)}.tz-opt{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:8px 10px;border-radius:var(--radius-xs);cursor:pointer;font-size:.9rem;color:var(--text)}.tz-opt.active{background:var(--brand-soft)}.tz-opt.sel .tz-city{font-weight:700;color:var(--brand-600)}.tz-abbr{color:var(--text-dim);font-weight:500}.tz-off{flex:none;font-variant-numeric:tabular-nums;font-size:.8rem;color:var(--text-faint)}.tz-empty{padding:10px;color:var(--text-dim);font-size:.9rem}.seg{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft)}.seg button{border:0;background:transparent;padding:7px 15px;border-radius:var(--radius-xs);font-size:.86rem;font-weight:600;cursor:pointer;color:var(--text-dim);transition:color .12s ease,background .12s ease}.seg button:hover:not(.active){color:var(--text)}.seg button.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px #11111117}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:6px 14px;font-size:.85rem;cursor:pointer;color:var(--text-dim);font-weight:600;transition:border-color .12s ease,background .12s ease,color .12s ease}.chip:hover{border-color:#d5d8de;color:var(--text)}.chip.on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-600)}.mypolls{display:flex;flex-direction:column;gap:8px}.mypoll{display:flex;align-items:stretch;gap:8px}.mypoll-open{flex:1;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);padding:11px 14px;cursor:pointer;transition:border-color .12s ease,background .12s ease}.mypoll-open:hover{border-color:var(--brand);background:var(--brand-soft)}.mypoll-title{font-weight:600;color:var(--text)}.mypoll-date{font-size:.8rem;color:var(--text-faint);flex:none}.mypoll-forget{flex:none;width:40px;border:1px solid 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ease}.cal-nav:hover:not(:disabled){background:var(--surface-soft);color:var(--text)}.cal-nav:disabled{opacity:.35;cursor:not-allowed}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}.cal-dow{text-align:center;font-size:.7rem;font-weight:700;letter-spacing:.02em;color:var(--text-faint);padding-bottom:4px}.cal-day{aspect-ratio:1;border:1px solid transparent;background:transparent;border-radius:var(--radius-xs);font-size:.85rem;cursor:pointer;color:var(--text);transition:background .1s ease}.cal-day:hover:not(.disabled):not(.sel):not(.endpoint){background:var(--surface-soft)}.cal-day.empty{cursor:default;border:0}.cal-day.disabled{color:var(--text-faint);opacity:.4;cursor:not-allowed}.cal-day.today:not(.sel):not(.endpoint){border-color:var(--brand)}.cal-day.sel{background:var(--brand-soft);color:var(--brand-600);font-weight:700}.cal-day.endpoint{background:var(--brand-600);color:#fff;font-weight:700}.daypick{display:flex;gap:22px;flex-wrap:wrap;align-items:flex-start}.daypick-side{flex:1;min-width:220px}.daypick-side .chips{max-height:210px;overflow-y:auto}.daypick-side .chip{padding:4px 10px;font-size:.82rem}.daypick-confirmed{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px}.daypick-confirmed .ok{color:var(--good)}.range-summary{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px}.range-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:1rem}.range-arrow{color:var(--text-faint)}.card-actions{display:flex;justify-content:flex-end;margin-top:18px}.custom-slot{display:flex;align-items:center;gap:8px;margin-top:10px}.custom-slot input[type=number]{width:88px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;border:1px solid var(--border);background:var(--surface);color:var(--ink);padding:0 18px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;letter-spacing:-.005em;cursor:pointer;text-decoration:none;transition:background .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease}.btn:hover{background:var(--surface-soft);border-color:#d5d8de}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--ink);border-color:var(--ink);color:#fff}.btn-primary:hover{background:var(--ink-hover);border-color:var(--ink-hover)}.btn-primary:disabled{background:var(--border);border-color:var(--border);color:var(--text-faint);opacity:1}.btn-ghost{background:transparent;border-color:transparent;color:var(--ink)}.btn-ghost:hover{background:var(--surface-soft);border-color:transparent}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover);border-color:var(--danger-hover)}.btn-sm{height:34px;padding:0 12px;font-size:.84rem}.btn-block{width:100%}.linkbox{display:flex;gap:8px;align-items:center;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 6px 6px 12px}.linkbox code{flex:1;font-family:var(--mono);font-size:.82rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-dim)}.board{display:flex;gap:28px;flex-wrap:wrap}.board-col{flex:1 1 320px;min-width:0}.board-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:10px;flex-wrap:wrap}.board-title{font-weight:600;font-size:.95rem;letter-spacing:-.01em;color:var(--ink)}.board-head .hint{margin:0}.grid-wrap{overflow-x:auto;padding-bottom:8px}.grid{display:grid;-webkit-user-select:none;user-select:none;gap:3px;min-width:max-content}.grid-corner,.grid-col-head,.grid-time-head{font-size:.76rem;color:var(--text-dim);font-weight:600;padding:4px 6px;position:sticky;background:var(--surface)}.grid-col-head{top:0;text-align:center;line-height:1.15}.grid-time-head{left:0;text-align:right;white-space:nowrap;display:flex;align-items:center;justify-content:flex-end}.grid-corner{top:0;left:0;z-index:2}.cell{width:var(--cellw);height:var(--cellh);border-radius:4px;background:var(--surface-2);border:1px solid var(--border);cursor:pointer}.cell.empty{background:transparent;border:0;cursor:default}.cell.sel{background:var(--brand-600);border-color:#1d4ed8}.cell.pending{outline:2px solid var(--brand);outline-offset:-2px}.cell.h0{background:var(--surface-2)}.cell.h1{background:#e3edfd}.cell.h2{background:#bcd5fb}.cell.h3{background:#8bb6f7}.cell.h4{background:#5090ef}.cell.h5{background:#2563eb}.cell.best{outline:2px solid var(--good);outline-offset:-2px}.legend{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--text-dim);margin-top:12px}.legend .swatch{width:20px;height:14px;border-radius:3px;border:1px solid var(--border)}.result-good{border-left:3px solid var(--good)}.result-warn{border-left:3px solid var(--warn)}.session-pill{display:inline-flex;flex-direction:column;gap:2px;background:var(--brand-soft);border:1px solid var(--brand);color:var(--brand-600);border-radius:var(--radius-sm);padding:8px 14px;margin:4px 8px 4px 0;font-weight:600}.session-pill small{color:var(--text-dim);font-weight:500}.suggestion{border:1px solid var(--border);border-radius:var(--radius-sm);padding:13px 15px;margin-bottom:10px;background:var(--surface-2)}.suggestion b{color:var(--text)}table.tz-table{width:100%;border-collapse:collapse;font-size:.88rem}table.tz-table th,table.tz-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}table.tz-table th{color:var(--text-dim);font-weight:600}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f101e8c;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow-y:auto}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:680px;padding:24px}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-head h2{margin:0;font-weight:600;letter-spacing:-.02em;color:var(--ink)}.email-preview{font-family:var(--mono);font-size:.82rem;white-space:pre-wrap;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;max-height:340px;overflow-y:auto}.compose-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}.compose-links .btn{flex:1;min-width:120px}.pill{display:inline-block;padding:3px 11px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.02em;text-transform:capitalize}.pill-open{background:#ecfdf5;color:#047857}.pill-closed{background:#f3f4f6;color:#6b7280}.muted{color:var(--text-dim)}.center{text-align:center}.spacer{height:12px}.divider{height:1px;background:var(--border);margin:18px 0}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:999px;font-size:.85rem;font-weight:500;z-index:60;box-shadow:var(--shadow-lg)}.participant-tags{display:flex;gap:6px;flex-wrap:wrap}.tag{background:var(--surface-soft);border:1px solid var(--border);border-radius:999px;padding:3px 10px;font-size:.8rem;color:var(--text-dim)}@media (max-width: 560px){:root{--cellw: 44px;--cellh: 28px}.content{padding:20px 12px 48px}.page-title{font-size:1.6rem}}