:root {
  color-scheme: dark;
  --bg: #0d1113;
  --panel: #171d22;
  --panel-strong: #1d252b;
  --line: #2c373f;
  --text: #f0f6f4;
  --muted: #9ca9ac;
  --accent: #3ad18a;
  --screen: #55a7ff;
  --face: #ffbe55;
  --danger: #ee625c;
  --warn: #d7a33a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 8%, rgba(58, 209, 138, 0.18), transparent 30%),
    radial-gradient(circle at 82% 0%, rgba(85, 167, 255, 0.13), transparent 28%),
    linear-gradient(145deg, #090c0e 0%, var(--bg) 55%, #111719 100%);
}

.shell {
  width: min(1380px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 36px;
}

.topbar,
.controls,
.meta,
.inspection-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(30px, 4vw, 52px);
  letter-spacing: -0.04em;
}

h2 {
  font-size: 22px;
}

.badge,
.status-pill {
  min-width: 92px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  text-align: center;
  color: var(--muted);
  background: rgba(23, 29, 34, 0.82);
}

.badge[data-mode="ok"],
.status-pill[data-mode="ok"] {
  color: var(--accent);
  border-color: rgba(58, 209, 138, 0.42);
}

.badge[data-mode="warn"],
.status-pill[data-mode="warn"] {
  color: var(--warn);
  border-color: rgba(215, 163, 58, 0.42);
}

.badge[data-mode="bad"],
.status-pill[data-mode="bad"] {
  color: var(--danger);
  border-color: rgba(238, 98, 92, 0.42);
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.channel-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(29, 37, 43, 0.92), rgba(13, 17, 19, 0.94));
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.28);
}

.channel-card[data-kind="camera"] {
  border-top-color: var(--accent);
}

.channel-card[data-kind="screen"] {
  border-top-color: var(--screen);
}

.channel-card[data-kind="face"] {
  border-top-color: var(--face);
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.viewer {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #050708;
  aspect-ratio: 16 / 10;
}

.viewer.compact {
  margin: 0;
}

.viewer img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.viewer img[hidden],
.empty[hidden] {
  display: none;
}

.empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.025) 1px, transparent 1px, transparent 11px);
}

.controls,
.card-controls {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}

.global-controls {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(23, 29, 34, 0.82);
}

.card-controls {
  margin: 12px 0;
}

button,
select {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 14px;
  color: var(--text);
  background: #222b32;
  font: inherit;
}

button {
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(240, 246, 244, 0.28);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #06130d;
  font-weight: 800;
}

button.primary.secondary {
  background: var(--screen);
  color: #06101a;
}

button.primary.face {
  background: var(--face);
  color: #1b1102;
}

button.danger,
button.primary.danger {
  background: var(--danger);
  color: #fff;
}

.field {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.compact-field select {
  max-width: 94px;
}

.channel-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.channel-meta div,
.meta div,
.inspection-grid div {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px;
  background: rgba(23, 29, 34, 0.82);
}

.channel-meta dt,
.meta span,
.inspection-grid span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 13px;
}

.channel-meta dd,
.meta strong,
.inspection-grid strong {
  display: block;
  margin: 0;
  overflow-wrap: anywhere;
  white-space: normal;
  font-weight: 750;
}

.channel-meta dd[data-mode="ok"],
.meta strong[data-mode="ok"],
.inspection-grid strong[data-mode="ok"] {
  color: var(--accent);
}

.channel-meta dd[data-mode="warn"],
.meta strong[data-mode="warn"],
.inspection-grid strong[data-mode="warn"] {
  color: var(--warn);
}

.channel-meta dd[data-mode="bad"],
.meta strong[data-mode="bad"],
.inspection-grid strong[data-mode="bad"] {
  color: var(--danger);
}

.meta {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.inspection {
  margin-top: 18px;
}

.section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
}

.section-hint {
  max-width: 720px;
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.inspection-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

@media (max-width: 1100px) {
  .channel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .section-title {
    display: grid;
  }

  .section-title button {
    width: 100%;
  }

  .meta,
  .inspection-grid,
  .channel-meta {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .meta,
  .inspection-grid,
  .channel-meta {
    grid-template-columns: 1fr;
  }
}