:root {
  color-scheme: dark;
  --bg: #0b1017;
  --bg-soft: #0f1721;
  --surface: #141d28;
  --surface-2: #1a2632;
  --border: #263443;
  --border-strong: #314457;
  --text: #edf3f7;
  --muted: #8ea0af;
  --muted-2: #61717f;
  --green: #34d399;
  --green-soft: rgba(52, 211, 153, 0.16);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.15);
  --red: #f87171;
  --red-soft: rgba(248, 113, 113, 0.15);
  --blue: #38bdf8;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 14% 10%, rgba(56, 189, 248, 0.1), transparent 28rem),
    radial-gradient(circle at 86% 4%, rgba(52, 211, 153, 0.08), transparent 26rem),
    linear-gradient(145deg, #0b1017 0%, #0e151d 52%, #0b1017 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 16, 23, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  color: #07120f;
  background: linear-gradient(135deg, #5eead4, #34d399);
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 8px 24px rgba(52, 211, 153, 0.2);
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
  font-weight: 750;
}

.brand p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.privacy-pill,
.icon-button,
.button,
.segmented-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}

.privacy-pill {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(20, 29, 40, 0.72);
  font-size: 12px;
}

.icon-button,
.button {
  min-height: 38px;
  padding: 0 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(20, 29, 40, 0.78);
  color: var(--text);
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.icon-button:hover,
.button:hover {
  border-color: var(--border-strong);
  background: rgba(26, 38, 50, 0.92);
}

.icon-button:active,
.button:active {
  transform: translateY(1px);
}

.button.primary {
  color: #06110d;
  border-color: transparent;
  background: linear-gradient(135deg, #5eead4, #34d399);
  font-weight: 700;
}

.button.primary:hover {
  border-color: transparent;
  background: linear-gradient(135deg, #6fffe7, #3de0a2);
}

.icon {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.workspace {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  padding: 20px;
}

.stage {
  position: relative;
  min-height: min(74vh, 820px);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(20, 29, 40, 0.62), rgba(7, 11, 16, 0.88)),
    #0a0f15;
  box-shadow: var(--shadow);
}

.video-wrap {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

#video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 240ms ease;
}

#video.is-live {
  opacity: 1;
}

#overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.empty-state {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 28px;
  transition:
    opacity 200ms ease,
    visibility 200ms ease;
}

.empty-state.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.empty-icon {
  width: 58px;
  height: 58px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  color: var(--green);
  background: var(--green-soft);
  margin-bottom: 10px;
}

.empty-icon .icon {
  width: 26px;
  height: 26px;
}

.empty-state h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 750;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.tracking-status {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 6;
  min-height: 30px;
  padding: 0 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 999px;
  color: #baf7e1;
  background: rgba(7, 16, 13, 0.76);
  font-size: 12px;
  backdrop-filter: blur(10px);
}

.tracking-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12);
}

.tracking-status.is-warning {
  border-color: rgba(251, 191, 36, 0.35);
  color: #ffe5a8;
  background: rgba(30, 22, 5, 0.76);
}

.tracking-status.is-warning::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.12);
}

.stage-controls {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 7;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(49, 68, 87, 0.78);
  border-radius: 13px;
  background: rgba(8, 13, 19, 0.78);
  backdrop-filter: blur(14px);
}

.segmented {
  display: flex;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(15, 23, 33, 0.8);
}

.segmented-button {
  min-height: 32px;
  padding: 0 11px;
  border: 0;
  border-radius: 8px;
  color: var(--muted);
  background: transparent;
}

.segmented-button.active {
  color: var(--text);
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--border);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(20, 29, 40, 0.88);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}

.summary-panel,
.score-panel {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
}

.summary-panel {
  justify-content: stretch;
}

.summary-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.summary-item span {
  color: var(--muted);
  font-size: 12px;
}

.summary-item strong {
  font-size: 28px;
  line-height: 1;
  font-weight: 780;
}

.summary-divider {
  width: 1px;
  height: 38px;
  background: var(--border);
}

.score-panel {
  justify-content: flex-start;
}

.score-ring {
  width: 76px;
  height: 76px;
  flex: 0 0 76px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--text);
  background:
    radial-gradient(circle at center, var(--surface) 0 58%, transparent 60%),
    conic-gradient(var(--muted-2) 0 0%, transparent 0 0%);
  font-size: 21px;
  font-weight: 800;
}

.score-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.score-copy span {
  color: var(--muted);
  font-size: 12px;
}

.score-copy strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 680;
}

.metrics-panel,
.feedback-panel {
  padding: 16px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 750;
}

.panel-heading > span {
  color: var(--muted);
  font-size: 12px;
}

.metric-list {
  display: grid;
  gap: 10px;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  background: rgba(15, 23, 33, 0.64);
}

.metric-row span {
  color: var(--muted);
  font-size: 13px;
}

.metric-row strong {
  color: var(--text);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.feedback-message {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(52, 211, 153, 0.22);
  border-radius: 10px;
  color: #c7f8e5;
  background: var(--green-soft);
  font-size: 13px;
  line-height: 1.45;
}

.feedback-message.is-warning {
  border-color: rgba(251, 191, 36, 0.24);
  color: #ffe5a8;
  background: var(--amber-soft);
}

.feedback-message.is-danger {
  border-color: rgba(248, 113, 113, 0.24);
  color: #ffd0d0;
  background: var(--red-soft);
}

.feedback-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12);
}

.feedback-history {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 8px;
  color: var(--muted);
  background: rgba(15, 23, 33, 0.46);
  font-size: 12px;
}

.history-item strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.footer {
  padding: 12px 24px 16px;
  color: var(--muted-2);
  text-align: center;
  font-size: 12px;
}

@media (max-width: 980px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .stage {
    min-height: min(68vh, 720px);
  }

  .sidebar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .feedback-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 13px 16px;
  }

  .brand p,
  .privacy-pill {
    display: none;
  }

  .workspace {
    padding: 12px;
  }

  .stage {
    min-height: 64vh;
    border-radius: 13px;
  }

  .stage-controls {
    left: 10px;
    right: 10px;
    bottom: 10px;
    flex-wrap: wrap;
  }

  .segmented {
    width: 100%;
  }

  .segmented-button {
    flex: 1;
  }

  .stage-controls .button {
    flex: 1;
    min-height: 38px;
    padding: 0 9px;
    font-size: 12px;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .feedback-panel {
    grid-column: auto;
  }
}