html,
body,
#app {
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
}

.coastal-surveillance-sim {
  --bg0: #080e14;
  --bg1: #0c1520;
  --bg2: #111d2c;
  --bg3: #162030;
  --accent: #4a9eff;
  --accent-dim: rgba(74, 158, 255, 0.18);
  --accent-glow: rgba(74, 158, 255, 0.08);
  --text: #c8daf0;
  --text-muted: #4a6a8a;
  --text-dim: #2a4a6a;
  --border: rgba(74, 158, 255, 0.15);
  --border-bright: rgba(74, 158, 255, 0.35);
  --danger: #ff4a4a;
  --success: #00e5a0;
  --warn: #ffcc44;
  --font: 'Courier New', monospace;

  box-sizing: border-box;
  width: 100%;
  min-height: 100%;
  height: 100%;
  background: var(--bg0);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 252px;
  grid-template-rows: 38px 1fr;
}

.coastal-surveillance-sim *,
.coastal-surveillance-sim *::before,
.coastal-surveillance-sim *::after {
  box-sizing: border-box;
}

#header {
  grid-column: 1 / -1;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg1);
  display: flex;
  align-items: center;
  gap: 16px;
}
#header h1 {
  font-size: 11px;
  font-weight: normal;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}
#header .sub {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
#header .spacer {
  flex: 1;
}
#header .hstat {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
#header .hstat span {
  color: var(--accent);
}
.blink {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.15;
  }
}

#canvas-wrap {
  position: relative;
  background: var(--bg0);
  overflow: hidden;
}
#canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.zoom-bar {
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 10;
}
.zoom-label {
  font-family: var(--font);
  font-size: 10px;
  color: var(--accent);
  min-width: 34px;
  text-align: center;
  letter-spacing: 0.08em;
}

#panel {
  background: var(--bg1);
  border-left: 1px solid var(--border);
  padding: 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section {
  border: 1px solid var(--border);
  background: var(--bg2);
}
.section-title {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 5px 8px;
  background: rgba(74, 158, 255, 0.05);
  border-bottom: 1px solid var(--border);
}
.section-body {
  padding: 8px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.stat {
  background: var(--bg2);
  padding: 6px 8px;
}
.stat .lbl {
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.stat .val {
  font-size: 15px;
  color: var(--text);
  letter-spacing: 0.02em;
}
.stat .val.active {
  color: var(--success);
}
.stat .val.inactive {
  color: var(--danger);
}

.stats-extra {
  margin-top: 1px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.stats-extra .stat-risk {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 74, 74, 0.2);
}
.st-sm {
  font-size: 13px;
}
.stat-sub {
  font-size: 9px;
  color: var(--text-muted);
  opacity: 0.5;
  margin-top: 2px;
  letter-spacing: 0.06em;
}
.risk-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 3px;
}
.st-risk-val {
  font-size: 14px;
  min-width: 38px;
}
.risk-track {
  flex: 1;
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.risk-fill {
  height: 100%;
  width: 0%;
  background: #ff4a4a;
  transition: width 0.4s;
}

.ctrl {
  margin-bottom: 8px;
}
.ctrl:last-child {
  margin-bottom: 0;
}
.ctrl label {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 3px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ctrl label span {
  color: var(--text);
  font-size: 11px;
}

input[type='range'] {
  width: 100%;
  -webkit-appearance: none;
  height: 2px;
  background: rgba(74, 158, 255, 0.15);
  outline: none;
  cursor: pointer;
}
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  background: var(--accent);
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 0 4px rgba(74, 158, 255, 0.6);
}
input[type='range']::-moz-range-thumb {
  width: 10px;
  height: 10px;
  background: var(--accent);
  cursor: pointer;
  border-radius: 50%;
  border: none;
}

.dir-toggle {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.dir-btn {
  flex: 1;
  padding: 5px 4px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.1em;
  cursor: pointer;
  text-align: center;
  text-transform: uppercase;
  transition: all 0.12s;
}
.dir-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.dir-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.hint {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1.7;
  opacity: 0.7;
}
.hint-s {
  color: #ff6b6b;
}
.hint-e {
  color: #ff9944;
}

.legend {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.leg-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  color: var(--text-muted);
}
.leg-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.leg-dot--cam {
  background: #4a9eff;
}
.leg-dot--boat {
  background: #ff4a4a;
}
.leg-dot--det {
  background: #00e5a0;
}
.leg-line {
  width: 14px;
  height: 1px;
  flex-shrink: 0;
}
.leg-line--rings {
  background: rgba(74, 158, 255, 0.4);
}
.leg-line--arc {
  background: rgba(74, 158, 255, 0.25);
  border-top: 1px dashed rgba(74, 158, 255, 0.4);
  height: 0;
  padding-top: 1px;
}

.zoom-btn {
  width: 26px;
  height: 26px;
  background: rgba(8, 14, 20, 0.9);
  border: 1px solid var(--border-bright);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.12s;
}
.zoom-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 700px) {
  .coastal-surveillance-sim {
    grid-template-columns: 1fr;
    grid-template-rows: 38px 55vw 1fr;
  }
  #panel {
    border-left: none;
    border-top: 1px solid var(--border);
  }
}