.timezone-header{border-bottom:0;padding-bottom:10px}.timezone-main{padding-top:10px}.timezone-workbench{overflow:hidden;border:1px solid color-mix(in srgb,var(--brand) 22%,var(--line));border-radius:18px;background:var(--surface);box-shadow:0 18px 45px #0f172a12}.timezone-controls,.timezone-summary,.timezone-chart-section{padding:clamp(22px,4vw,34px)}.timezone-summary,.timezone-chart-section{border-top:1px solid var(--line)}.timezone-section-heading,.timezone-chart-heading,.timezone-summary-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.timezone-section-heading h2,.timezone-chart-heading h2{margin:0;font-size:1.08rem}.timezone-eyebrow{margin:0 0 7px;color:var(--brand);font-size:.72rem;font-weight:760;letter-spacing:.12em;line-height:1;text-transform:uppercase}.timezone-local-badge{max-width:48%;padding:8px 12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;background:var(--surface-soft);font-size:.76rem;text-align:right}.timezone-control-row{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:16px;max-width:620px;margin-top:24px}.timezone-field{display:grid;gap:7px;min-width:0;color:var(--ink);font-size:.78rem;font-weight:650}.timezone-field .form-control{min-height:44px}.participant-list{display:grid;gap:12px;margin-top:22px}.participant-card{padding:17px;border:1px solid var(--line);border-radius:13px;background:var(--surface-soft)}.participant-card-top{display:flex;align-items:center;gap:9px;margin-bottom:13px}.participant-number{display:grid;width:27px;height:27px;place-items:center;color:var(--brand);border-radius:8px;background:var(--brand-soft);font-size:.7rem;font-weight:780}.participant-card-top strong{font-size:.88rem}.participant-remove{display:inline-flex;align-items:center;gap:4px;margin-left:auto;padding:4px 7px;color:var(--muted);border:0;background:transparent;cursor:pointer;font-size:.74rem}.participant-remove:hover{color:var(--danger, #c53030)}.participant-remove span{text-decoration:underline;text-underline-offset:2px}.participant-fields{display:grid;grid-template-columns:minmax(120px,.8fr) minmax(210px,1.35fr) minmax(220px,1fr);gap:12px}.timezone-hours-field{min-width:220px}.time-range-inputs{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:6px}.time-range-inputs>span{color:var(--muted)}.timezone-actions{display:flex;align-items:center;gap:9px;margin-top:18px}.timezone-actions .btn,.timezone-copy-button{min-height:40px;margin:0}.timezone-actions p{margin-left:auto;color:var(--muted);font-size:.76rem}.timezone-copy-button{color:#fff;border-color:var(--brand);background:var(--brand)}.timezone-copy-button:hover{color:#fff;background:var(--brand-hover)}.best-window{margin-top:18px}.best-window-main,.empty-window{display:flex;align-items:center;gap:13px;padding:16px 18px;border:1px solid color-mix(in srgb,var(--brand) 25%,var(--line));border-radius:13px;background:linear-gradient(135deg,var(--brand-soft),var(--surface))}.best-window-icon{display:grid;width:36px;height:36px;place-items:center;color:var(--brand);border-radius:11px;background:var(--surface);font-size:1.1rem}.best-window-main>div,.empty-window{min-width:0}.best-window-main>div{display:grid;gap:3px}.best-window-main strong,.empty-window strong{color:var(--ink);font-size:.9rem}.best-window-main span:not(.best-window-icon):not(.best-window-duration),.empty-window span{color:var(--muted);font-size:.78rem}.best-window-duration{margin-left:auto;color:var(--brand);font-family:SFMono-Regular,Consolas,monospace;font-size:.75rem;font-weight:700;white-space:nowrap}.participant-local-times{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:9px;margin-top:12px}.local-time-chip{display:grid;gap:4px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--surface-soft)}.local-time-chip span{color:var(--muted);font-size:.72rem}.local-time-chip strong{color:var(--ink);font-family:SFMono-Regular,Consolas,monospace;font-size:.76rem}.timezone-chart-heading{align-items:center}.timezone-chart-heading p{margin:6px 0 0;color:var(--muted);font-size:.78rem}.timezone-legend{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:.72rem;white-space:nowrap}.timezone-legend span{display:inline-flex;align-items:center;gap:5px}.legend-swatch{display:inline-block;width:11px;height:11px;border-radius:3px}.legend-working{background:color-mix(in srgb,var(--brand) 48%,var(--surface))}.legend-overlap{background:var(--brand)}.timezone-chart-scroll{overflow-x:auto;margin-top:18px;padding-bottom:5px}.timezone-chart{min-width:940px;font-size:.7rem}.timeline-header,.timeline-row{display:grid;grid-template-columns:156px minmax(760px,1fr);gap:12px;align-items:center}.timeline-header{padding-bottom:7px;color:var(--muted)}.timeline-row+.timeline-row{margin-top:8px}.timeline-row-label{display:grid;gap:3px;min-width:0}.timeline-row-label strong{overflow:hidden;color:var(--ink);font-size:.75rem;text-overflow:ellipsis;white-space:nowrap}.timeline-row-label span{overflow:hidden;color:var(--muted);font-size:.68rem;text-overflow:ellipsis;white-space:nowrap}.timeline-row-cells{display:grid;grid-template-columns:repeat(48,minmax(12px,1fr));gap:2px}.timeline-hour{min-height:18px;font-family:SFMono-Regular,Consolas,monospace;font-size:.62rem;text-align:left}.timeline-cell{min-height:30px;border:1px solid color-mix(in srgb,var(--line) 80%,transparent);border-radius:4px;background:var(--surface-soft);transition:background .15s ease,border-color .15s ease}.timeline-cell.is-working{border-color:color-mix(in srgb,var(--brand) 28%,var(--line));background:color-mix(in srgb,var(--brand) 35%,var(--surface))}.timeline-cell.is-best{border-color:color-mix(in srgb,var(--brand) 70%,var(--line));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--brand) 24%,transparent)}.timeline-overlap-row{margin-top:13px!important;padding-top:13px;border-top:1px solid var(--line)}.timeline-overlap-cell.overlap-0{background:var(--surface-soft)}.timeline-overlap-cell.overlap-1,.timeline-overlap-cell.overlap-2,.timeline-overlap-cell.overlap-3,.timeline-overlap-cell.overlap-4,.timeline-overlap-cell.overlap-5{border-color:color-mix(in srgb,var(--brand) 35%,var(--line));background:color-mix(in srgb,var(--brand) calc(12% + var(--overlap-strength, 0%)),var(--surface))}.timeline-overlap-cell.overlap-1{--overlap-strength: 2%}.timeline-overlap-cell.overlap-2{--overlap-strength: 10%}.timeline-overlap-cell.overlap-3{--overlap-strength: 18%}.timeline-overlap-cell.overlap-4{--overlap-strength: 26%}.timeline-overlap-cell.overlap-5{--overlap-strength: 34%}.timezone-toast{position:fixed;z-index:30;right:22px;bottom:22px;max-width:min(360px,calc(100vw - 44px));padding:11px 15px;color:var(--ink);border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 16px 35px #0f172a29;font-size:.8rem;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease}.timezone-toast.is-success,.timezone-toast.is-error{opacity:1;transform:translateY(0)}.timezone-toast.is-success{border-color:color-mix(in srgb,#38a169 40%,var(--line))}.timezone-toast.is-error{border-color:color-mix(in srgb,#e53e3e 45%,var(--line))}@media (max-width: 800px){.participant-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.timezone-hours-field{grid-column:1 / -1}}@media (max-width: 620px){.timezone-local-badge{max-width:100%;text-align:left}.timezone-section-heading,.timezone-chart-heading,.timezone-summary-heading{flex-direction:column;align-items:stretch}.timezone-control-row,.participant-fields{grid-template-columns:1fr}.timezone-hours-field{grid-column:auto}.timezone-actions{align-items:stretch;flex-direction:column}.timezone-actions p{margin:3px 0 0}.timezone-copy-button{width:100%}.best-window-main{align-items:flex-start;flex-wrap:wrap}.best-window-duration{width:100%;margin-left:49px}.timezone-legend{white-space:normal}}@media (prefers-reduced-motion: reduce){.timeline-cell,.timezone-toast{transition:none}}