* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --up: #2ea043;
  --down: #f85149;
  --pending: #a371f7;
  --topbar-height: 45px;
  --header-control-height: 28px;
  --header-control-label-inset: 8px;
}

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

.app {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.app-header {
  position: relative;
  width: 100%;
  box-sizing: border-box;
  height: var(--topbar-height);
  min-height: var(--topbar-height);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.app-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  margin-right: 4px;
  white-space: nowrap;
}

.app-title-poly,
.app-title-recorder {
  color: var(--accent);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-market-row {
  display: flex;
  align-items: center;
  min-width: 0;
}

.app-header select {
  height: var(--header-control-height);
  padding: 0 28px 0 var(--header-control-label-inset);
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
}

.app-header select:hover,
.app-header select:focus {
  border-color: var(--accent);
  outline: none;
}

.header-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.recording-switch-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.recording-switch-caption {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.recording-switch {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: var(--header-control-height);
  padding: 0 10px 0 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.recording-switch-knob {
  width: 32px;
  height: 18px;
  border-radius: 999px;
  background: #3d444d;
  position: relative;
}

.recording-switch-knob::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #c9d1d9;
  transition: transform 0.12s ease, background 0.12s ease;
}

.recording-switch.is-on {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.recording-switch-wrap:has(.recording-switch.is-on) .recording-switch-caption {
  color: var(--accent);
}

.recording-switch.is-on .recording-switch-knob {
  background: color-mix(in srgb, var(--accent) 40%, #1b2d44);
}

.recording-switch.is-on .recording-switch-knob::after {
  transform: translateX(14px);
  background: var(--accent);
}

.recording-switch:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* Viewer instance: switch is read-only, not busy. */
body.is-viewer .recording-switch:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.week-wrap {
  flex: 1 1 0;
  min-height: 0;
  width: 100%;
}

.week-grid {
  height: 100%;
  width: 100%;
  display: grid;
  grid-template-columns: 52px repeat(7, minmax(0, 1fr));
  grid-template-rows: 28px repeat(24, minmax(0, 1fr));
  border: 1px solid var(--border);
  background: var(--panel);
}

.week-corner,
.week-day,
.week-hour {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.week-day {
  font-weight: 600;
  color: var(--text);
}

.week-hour {
  font-variant-numeric: tabular-nums;
}

.week-hour.is-now,
.week-day.is-now {
  background: color-mix(in srgb, var(--accent) 38%, var(--panel));
  color: var(--text);
}

.week-slot {
  position: relative;
  min-width: 0;
  min-height: 0;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  display: flex;
  align-items: stretch;
  gap: 2px;
  padding: 3px;
}

.week-slot-win {
  flex: 1 1 0;
  min-width: 0;
  border-radius: 2px;
}

.week-slot-win.is-missing {
  background: var(--down);
}

.week-slot-win.is-pending {
  background: var(--pending);
}

.week-slot-win.is-recorded {
  background: var(--up);
}

.week-slot-win.is-live {
  background: var(--accent);
  animation: chip-pulse 0.8s ease-in-out infinite;
  z-index: 2;
}

@keyframes chip-pulse {
  0%,
  100% {
    filter: brightness(0.45);
  }
  50% {
    filter: brightness(1.35);
  }
}