:root {
  --bg: #07110d;
  --panel: rgba(9, 22, 17, 0.82);
  --panel-strong: rgba(12, 32, 24, 0.94);
  --line: rgba(118, 255, 178, 0.18);
  --text: #edfdf3;
  --muted: #91b8a0;
  --green: #27f28a;
  --green-soft: rgba(39, 242, 138, 0.14);
  --warn: #ffd166;
  --danger: #ff6b6b;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(39, 242, 138, 0.14), transparent 32%),
    radial-gradient(circle at 88% 14%, rgba(60, 190, 255, 0.1), transparent 28%),
    linear-gradient(145deg, #050907 0%, var(--bg) 48%, #0b1711 100%);
  padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(1180px, 100%);
  min-height: calc(100vh - 28px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 14px;
  align-items: start;
}

.stage-card,
.info-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(14px);
}

.stage-card {
  padding: 14px;
}

.stage-top,
.info-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 4px 12px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  line-height: 1.16;
}

h1 {
  font-size: clamp(24px, 4vw, 38px);
}

h2 {
  font-size: 22px;
}

.status-pill {
  flex: 0 0 auto;
  min-width: 70px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-align: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}

.status-pill.live {
  color: #04130a;
  background: var(--green);
  box-shadow: 0 0 22px rgba(39, 242, 138, 0.36);
}

.status-pill.warn {
  color: #241a00;
  background: var(--warn);
}

.status-pill.error {
  color: #fff;
  background: var(--danger);
}

.camera-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  aspect-ratio: 16 / 10;
  min-height: 360px;
  background: #020604;
}

#video,
#overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mirrored #video {
  transform: scaleX(-1);
}

#overlay {
  pointer-events: none;
}

.camera-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(7, 17, 13, 0.2), rgba(7, 17, 13, 0.74));
}

.camera-empty strong {
  color: var(--text);
  font-size: 20px;
}

.camera-empty.hidden {
  display: none;
}

.control-row {
  margin-top: 12px;
  display: grid;
  grid-template-columns: minmax(130px, 1fr) minmax(108px, 0.55fr) minmax(110px, 0.5fr);
  gap: 10px;
  align-items: start;
}

.btn,
.tools summary {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.btn.primary {
  border-color: rgba(39, 242, 138, 0.5);
  color: #04130a;
  background: linear-gradient(135deg, var(--green), #79ffb8);
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(39, 242, 138, 0.2);
}

.btn:active,
.tools summary:active {
  transform: scale(0.98);
}

.btn:hover,
.tools summary:hover {
  border-color: rgba(39, 242, 138, 0.48);
}

.btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.tools {
  position: relative;
}

.tools summary {
  list-style: none;
}

.tools summary::-webkit-details-marker {
  display: none;
}

.tools[open] {
  z-index: 5;
}

.tools[open] summary {
  border-color: rgba(39, 242, 138, 0.48);
  background: var(--green-soft);
}

.tools label {
  margin-top: 8px;
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.tools input[type="range"] {
  width: 100%;
  accent-color: var(--green);
}

.tools .check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-card {
  padding: 16px;
  position: sticky;
  top: 14px;
}

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

.metric {
  min-height: 72px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.metric span,
.metric strong {
  display: block;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}

.metric strong {
  line-height: 1.35;
}

.hint {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

@media (max-width: 920px) {
  body {
    padding: 10px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .info-card {
    position: static;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  body {
    padding: 8px;
  }

  .stage-card,
  .info-card {
    border-radius: 18px;
  }

  .stage-card {
    padding: 10px;
  }

  .stage-top {
    padding-bottom: 10px;
  }

  .camera-wrap {
    min-height: min(68vh, 520px);
    aspect-ratio: 3 / 4;
    border-radius: 16px;
  }

  .control-row {
    grid-template-columns: 1fr 1fr;
  }

  .control-row .tools {
    grid-column: 1 / -1;
  }

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

  .metric {
    min-height: 62px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* Refined UI refresh */
:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(17, 24, 39, 0.1);
  --line-strong: rgba(17, 24, 39, 0.18);
  --text: #111827;
  --muted: #5f6b7a;
  --green: #2a9d63;
  --green-soft: rgba(42, 157, 99, 0.1);
  --warn: #d9a441;
  --danger: #b04343;
  --shadow: 0 20px 48px rgba(17, 24, 39, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #101318;
    --panel: rgba(18, 22, 28, 0.84);
    --panel-strong: rgba(22, 26, 34, 0.94);
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(255, 255, 255, 0.18);
    --text: #eef3f8;
    --muted: #9eabb8;
    --green: #40c47b;
    --green-soft: rgba(64, 196, 123, 0.12);
    --warn: #f4c86e;
    --danger: #ea7070;
    --shadow: 0 22px 54px rgba(0, 0, 0, 0.32);
  }
}

body {
  min-height: 100vh;
  padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  background:
    radial-gradient(circle at top left, rgba(42, 157, 99, 0.08), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(59, 130, 246, 0.06), transparent 24%),
    linear-gradient(180deg, var(--bg), rgba(255, 255, 255, 0.18));
  color: var(--text);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  letter-spacing: -0.01em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.35), transparent 24%),
    radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.2), transparent 22%);
  opacity: 0.3;
}

body[data-state="loading"] .camera-wrap,
body[data-state="live"] .camera-wrap {
  border-color: rgba(42, 157, 99, 0.45);
}

body[data-state="error"] .camera-wrap {
  border-color: rgba(176, 67, 67, 0.48);
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(1120px, 100%);
  min-height: calc(100vh - 28px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
  align-items: start;
}

.stage-card,
.info-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.stage-card {
  padding: clamp(14px, 2vw, 18px);
}

.stage-top,
.info-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 4px 14px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(24px, 4vw, 38px);
}

h2 {
  font-size: 22px;
}

.status-pill {
  flex: 0 0 auto;
  min-width: 74px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-align: center;
  color: var(--muted);
  background: var(--panel-strong);
}

.status-pill.live {
  color: #062012;
  background: linear-gradient(135deg, #7af0aa, #42cb7d);
  border-color: transparent;
  box-shadow: 0 12px 22px rgba(42, 157, 99, 0.2);
}

.status-pill.warn {
  color: #2e2102;
  background: linear-gradient(135deg, #f8d78f, #e2b45b);
  border-color: transparent;
}

.status-pill.error {
  color: #fff;
  background: linear-gradient(135deg, #d96a6a, #b74c4c);
  border-color: transparent;
}

.camera-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  aspect-ratio: 16 / 10;
  min-height: 360px;
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.04), rgba(17, 24, 39, 0.1)),
    #07100c;
}

#video,
#overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mirrored #video {
  transform: scaleX(-1);
}

#overlay {
  pointer-events: none;
}

.camera-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(6, 10, 12, 0.22), rgba(6, 10, 12, 0.72));
}

.camera-empty strong {
  color: var(--text);
  font-size: 20px;
}

.camera-empty span {
  max-width: 32ch;
  margin: 0 auto;
  line-height: 1.6;
}

.camera-empty.hidden {
  display: none;
}

.control-row {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.btn,
.tools summary {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  color: var(--text);
  background: var(--panel-strong);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.btn.primary {
  border-color: transparent;
  color: #062012;
  background: linear-gradient(135deg, #80f0b0, #3dc57a);
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(42, 157, 99, 0.18);
}

.btn:active,
.tools summary:active {
  transform: translateY(1px);
}

.btn:hover,
.tools summary:hover {
  border-color: var(--line-strong);
}

.btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.tools {
  position: relative;
  display: grid;
  gap: 8px;
}

.tools summary {
  list-style: none;
}

.tools summary::-webkit-details-marker {
  display: none;
}

.tools[open] {
  z-index: 5;
}

.tools[open] summary {
  border-color: rgba(42, 157, 99, 0.38);
  background: var(--green-soft);
}

.tools label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.tools input[type="range"] {
  width: 100%;
  accent-color: var(--green);
}

.tools .check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-card {
  padding: 16px;
  position: sticky;
  top: 14px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  min-height: 74px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel-strong);
}

.metric span,
.metric strong {
  display: block;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.metric strong {
  line-height: 1.35;
}

.hint {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

@media (max-width: 920px) {
  body {
    padding: 10px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .info-card {
    position: static;
  }
}

@media (max-width: 700px) {
  .stage-card,
  .info-card {
    border-radius: 20px;
  }

  .stage-card {
    padding: 12px;
  }

  .camera-wrap {
    min-height: min(68vh, 540px);
    aspect-ratio: 4 / 5;
    border-radius: 18px;
  }

  .control-row {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  body {
    padding: 8px;
  }

  .stage-top,
  .info-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-pill {
    align-self: flex-start;
  }
}