:root {
  color-scheme: light;
  --page-margin: 24px;
  --bg: #d6dde7;
  --panel: rgba(255, 255, 255, 0.74);
  --panel-strong: rgba(255, 255, 255, 0.86);
  --panel-soft: rgba(245, 248, 252, 0.82);
  --video-bg: #07111f;
  --text: #111827;
  --muted: #4b5563;
  --line: rgba(71, 85, 105, 0.24);
  --ok: #047857;
  --warn: #b45309;
  --bad: #dc2626;
  --accent: #0284c7;
  --magenta: #be185d;
  --violet: #8f73ff;
  --coral: #dc2626;
  --peach: #ffc4ad;
  --side-column: clamp(380px, 22vw, 500px);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: var(--page-margin);
  overflow: hidden;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.82) 0%, rgba(214, 223, 235, 0.62) 26%, transparent 58%),
    linear-gradient(38deg, rgba(116, 143, 178, 0.56) 0%, transparent 38%, rgba(245, 249, 255, 0.74) 100%),
    linear-gradient(118deg, #aeb9c8 0%, #d7e0eb 36%, #eef3f8 64%, #b7c4d4 100%);
  background-size: auto;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 42px 42px, 42px 42px;
  opacity: 0.42;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.5), transparent 30%),
    radial-gradient(circle at 82% 78%, rgba(116, 143, 178, 0.32), transparent 34%);
  mix-blend-mode: soft-light;
  opacity: 0.72;
}

.shell {
  width: 100%;
  height: calc(100vh - (var(--page-margin) * 2));
  max-height: none;
  margin: 0 auto;
  padding: 0;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto 148px minmax(0, 1fr) 32px;
  gap: 6px;
  align-content: start;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: #0f172a;
  font-size: 23px;
  font-weight: 780;
  letter-spacing: 0;
  text-shadow: 0 1px 16px rgba(255, 255, 255, 0.62);
}

h2 {
  font-size: 14px;
  font-weight: 760;
}

.topbar p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.status-stack,
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.status-stack {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  font-size: 12px;
  font-weight: 760;
  white-space: nowrap;
}

.pill.ok {
  border-color: rgba(4, 120, 87, 0.32);
  background: rgba(209, 250, 229, 0.72);
  color: var(--ok);
}

.pill.warn {
  border-color: rgba(180, 83, 9, 0.34);
  background: rgba(254, 243, 199, 0.78);
  color: var(--warn);
}

.pill.bad {
  border-color: rgba(220, 38, 38, 0.34);
  background: rgba(254, 226, 226, 0.78);
  color: var(--bad);
}

.overview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 6px;
  min-height: 0;
  margin-bottom: 0;
}

.status-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--side-column);
  gap: 6px;
  min-height: 0;
}

.overview-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
}

.metric,
.panel,
.video-panel,
.health-cell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  backdrop-filter: blur(20px) saturate(1.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04),
    0 16px 42px rgba(31, 41, 55, 0.18);
}

.metric {
  min-height: 0;
  padding: 6px 9px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(226, 235, 246, 0.6)),
    var(--panel);
  display: grid;
  grid-template-rows: auto minmax(18px, auto) auto;
  align-content: center;
  gap: 2px;
  position: relative;
  overflow: hidden;
}

.metric.emphasis {
  border-color: rgba(2, 132, 199, 0.32);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.76),
    inset 0 0 0 1px rgba(2, 132, 199, 0.08),
    0 16px 42px rgba(31, 41, 55, 0.18);
}

.metric::before,
.video-panel::before,
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(132deg, rgba(255, 255, 255, 0.36), transparent 42%, rgba(148, 163, 184, 0.08) 78%, transparent);
  opacity: 0.82;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 720;
  text-transform: uppercase;
}

.metric strong,
.readout-grid strong {
  display: block;
  margin-top: 0;
  overflow-wrap: anywhere;
  font-size: 17px;
  line-height: 1.12;
}

.metric.compact strong {
  font-size: 16px;
}

.metric small,
.readout-grid small {
  color: var(--muted);
  font-size: 10px;
}

.video-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--side-column);
  gap: 6px;
  align-items: stretch;
  min-height: 0;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 6px;
  min-width: 0;
  min-height: 0;
}

.workbench-side {
  display: grid;
  grid-template-rows: minmax(180px, 0.9fr) minmax(220px, 1.1fr);
  gap: 6px;
  min-width: 0;
  min-height: 0;
}

.video-panel,
.panel {
  padding: 7px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(226, 235, 246, 0.58)),
    var(--panel);
  position: relative;
  overflow: hidden;
}

.video-panel > *,
.panel > *,
.metric > * {
  position: relative;
  z-index: 1;
}

.primary-video,
.video-tile {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) 22px;
}

.side-stack {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(210px, 0.88fr);
  grid-template-rows: minmax(0, 1fr);
  gap: 6px;
  min-height: 0;
}

.mini-video {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) 20px;
}

.video-frame {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  overflow: hidden;
  margin-top: 4px;
  background: var(--video-bg);
  border: 1px solid rgba(176, 218, 255, 0.34);
  border-radius: 6px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.035),
    inset 0 0 36px rgba(176, 218, 255, 0.06),
    0 0 0 1px rgba(255, 255, 255, 0.04);
}

.main-frame {
  aspect-ratio: auto;
}

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

.video-overlay {
  position: absolute;
  inset: auto 6px 6px 6px;
  min-height: 22px;
  padding: 3px 6px;
  border-radius: 5px;
  border: 1px solid rgba(91, 228, 255, 0.32);
  background: rgba(10, 9, 31, 0.78);
  color: #e8eef7;
  font-size: 11px;
  font-weight: 700;
  opacity: 1;
  transition: opacity 0.15s ease;
}

.video-overlay.hidden {
  opacity: 0;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 20px;
  padding-top: 4px;
  color: var(--muted);
  font-size: 11px;
  overflow: hidden;
}

.video-meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.object-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: stretch;
}

.cargo-list {
  display: grid;
  align-content: start;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: none;
  min-height: 0;
  overflow-y: auto;
}

.cargo-item,
.empty-list {
  min-height: 32px;
  padding: 5px 7px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.cargo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.cargo-item strong,
.cargo-item small {
  display: block;
}

.cargo-item strong {
  font-size: 12px;
}

.cargo-item small,
.empty-list {
  color: var(--muted);
  font-size: 11px;
}

.cargo-badge {
  min-width: 48px;
  padding: 5px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  text-align: center;
  font-weight: 780;
  font-size: 12px;
}

.cargo-badge.ok {
  color: var(--ok);
  background: rgba(209, 250, 229, 0.72);
  border-color: rgba(4, 120, 87, 0.32);
}

.cargo-badge.warn {
  color: var(--warn);
  background: rgba(254, 243, 199, 0.78);
  border-color: rgba(180, 83, 9, 0.34);
}

.cargo-badge.bad {
  color: var(--bad);
  background: rgba(254, 226, 226, 0.78);
  border-color: rgba(220, 38, 38, 0.34);
}

.lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin-top: 0;
  min-height: 0;
}

.state-panel,
.raw-strip,
.graph-panel {
  min-height: 0;
}

.state-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.readout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 5px;
  height: 100%;
  min-height: 0;
}

.readout-grid > div {
  min-height: 0;
  padding: 6px 7px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  grid-template-rows: auto minmax(19px, auto) auto;
  align-content: center;
  gap: 2px;
}

.readout-grid strong {
  font-size: 15px;
  line-height: 1.12;
}

.raw-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  min-height: 0;
  align-content: start;
}

.raw-strip .video-frame {
  height: 96px;
  margin-top: 5px;
  aspect-ratio: auto;
}

.graph-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  height: 100%;
  min-height: 0;
}

.workbench-side .charts-grid {
  grid-template-columns: 1fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
}

.chart-card {
  min-height: 0;
  padding: 6px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 18px;
  color: var(--text);
  font-size: 12px;
  font-weight: 760;
}

.chart-head small {
  color: var(--muted);
  font-size: 10px;
  white-space: nowrap;
}

.chart-card canvas {
  display: block;
  width: 100%;
  height: calc(100% - 20px);
  min-height: 96px;
  margin-top: 4px;
  background: rgba(248, 250, 252, 0.78);
  border: 1px solid rgba(71, 85, 105, 0.2);
  border-radius: 5px;
}

.workbench-side .chart-card canvas {
  min-height: 76px;
}

.health-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 0;
}

.health-cell {
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(71, 85, 105, 0.24);
  color: #111827;
  font-weight: 860;
  font-size: 12px;
  letter-spacing: 0;
  text-shadow: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 8px 22px rgba(31, 41, 55, 0.16);
}

.health-cell.ok {
  border-color: rgba(4, 120, 87, 0.34);
  background:
    linear-gradient(180deg, rgba(209, 250, 229, 0.88), rgba(255, 255, 255, 0.72));
  color: var(--ok);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 8px 22px rgba(31, 41, 55, 0.16);
}

.health-cell.warn {
  border-color: rgba(180, 83, 9, 0.34);
  background:
    linear-gradient(180deg, rgba(254, 243, 199, 0.9), rgba(255, 255, 255, 0.72));
  color: var(--warn);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 8px 22px rgba(31, 41, 55, 0.16);
}

.health-cell.bad {
  border-color: rgba(220, 38, 38, 0.34);
  background:
    linear-gradient(180deg, rgba(254, 226, 226, 0.9), rgba(255, 255, 255, 0.72));
  color: var(--bad);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 8px 22px rgba(31, 41, 55, 0.16);
}

@media (max-width: 980px) {
  .overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .status-row,
  .video-workbench,
  .lower-grid {
    grid-template-columns: 1fr;
  }

  .shell {
    grid-template-rows: auto auto minmax(0, 1fr) 32px;
  }

  .video-workbench {
    grid-template-rows: minmax(0, 1fr) minmax(260px, 0.5fr);
  }

  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }

  .side-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
  }
}

@media (max-width: 720px) {
  .topbar,
  .panel-head,
  .video-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .overview,
  .status-row,
  .video-grid,
  .side-stack,
  .raw-strip,
  .health-strip,
  .readout-grid {
    grid-template-columns: 1fr;
  }
}

/* 안정화 버전: 작업영상모니터와 Pi 모니터 간 이동 버튼 */
.top-link {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border: 1px solid rgba(2, 132, 199, 0.28);
  border-radius: 6px;
  background: rgba(224, 242, 254, 0.82);
  color: #0369a1;
  font-size: 12px;
  font-weight: 820;
  text-decoration: none;
  white-space: nowrap;
}
.top-link:hover { background: rgba(186, 230, 253, 0.92); }