@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #08111f;
  --bg-secondary: #0d1830;
  --surface: rgba(18, 31, 58, 0.88);
  --surface-2: rgba(13, 24, 48, 0.92);
  --surface-3: rgba(10, 18, 33, 0.96);
  --surface-light: rgba(37, 49, 94, 0.45);
  --accent-primary: #00d4ff;
  --accent-secondary: #7c3aed;
  --accent-warning: #ff7a59;
  --accent-success: #51cf66;
  --accent-gold: #f7b955;
  --text-primary: #e8f1ff;
  --text-secondary: #a8bdd9;
  --text-muted: #6e87a8;
  --border-glow: rgba(0, 212, 255, 0.26);
  --border-soft: rgba(124, 58, 237, 0.18);
  --shadow-glow: 0 0 24px rgba(0, 212, 255, 0.18);
  --shadow-heavy: 0 25px 50px rgba(0, 0, 0, 0.42);
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: 'Rajdhani', sans-serif;
  color: var(--text-primary);
  background:
    linear-gradient(rgba(80, 130, 200, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 130, 200, 0.08) 1px, transparent 1px),
    radial-gradient(circle at top, rgba(0, 212, 255, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(124, 58, 237, 0.12), transparent 24%),
    linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 46%, #14254a 100%);
  background-size: 40px 40px, 40px 40px, auto, auto, auto;
  overflow-x: hidden;
}

body.light-mode {
  --bg-primary: #ecf5ff;
  --bg-secondary: #dcecff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-2: rgba(245, 250, 255, 0.92);
  --surface-3: rgba(234, 243, 255, 0.95);
  --surface-light: rgba(0, 212, 255, 0.08);
  --text-primary: #102038;
  --text-secondary: #355071;
  --text-muted: #607a98;
  --border-glow: rgba(0, 120, 185, 0.22);
  --border-soft: rgba(124, 58, 237, 0.12);
  --shadow-glow: 0 0 22px rgba(0, 120, 185, 0.12);
  --shadow-heavy: 0 25px 50px rgba(12, 32, 56, 0.12);
  background:
    linear-gradient(rgba(50, 90, 140, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 90, 140, 0.08) 1px, transparent 1px),
    radial-gradient(circle at top, rgba(0, 212, 255, 0.1), transparent 28%),
    radial-gradient(circle at bottom right, rgba(124, 58, 237, 0.08), transparent 24%),
    linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, #f8fbff 100%);
  background-size: 40px 40px, 40px 40px, auto, auto, auto;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  max-width: 1520px;
  margin: 0 auto;
  padding: 28px;
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glow);
}

.header-left h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #cbf5ff 0%, var(--accent-primary) 45%, #9f7aea 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eyebrow {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.header-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr));
  gap: 14px;
  min-width: 420px;
}

.metric {
  padding: 16px 18px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  backdrop-filter: blur(12px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.metric:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.24);
}

.metric-value {
  display: block;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.metric-label {
  display: block;
  margin-top: 6px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.control-panel {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.primary-btn,
.secondary-btn,
.theme-toggle {
  border: none;
  cursor: pointer;
  transition: transform var(--transition), filter var(--transition), border-color var(--transition), background var(--transition);
}

.primary-btn,
.secondary-btn {
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.primary-btn {
  color: #06111f;
  background: linear-gradient(135deg, var(--accent-primary), #6be6ff);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.28);
}

.primary-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.secondary-btn {
  color: var(--text-primary);
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-glow);
}

.secondary-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 212, 255, 0.44);
}

.theme-toggle {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
  font-size: 1.2rem;
}

.theme-toggle:hover {
  transform: rotate(12deg);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 20px;
}

.panel {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-heavy);
  backdrop-filter: blur(14px);
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255,255,255,0.02), transparent 30%, transparent 70%, rgba(0,212,255,0.03));
  pointer-events: none;
}

.panel h2 {
  position: relative;
  z-index: 1;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  color: var(--accent-primary);
}

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

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

.sensor-card {
  min-height: 180px;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glow);
  background: linear-gradient(160deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  position: relative;
  overflow: hidden;
}

.sensor-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -50% -10%;
  height: 80px;
  filter: blur(24px);
  opacity: 0.22;
}

.sensor-card.camera::after {
  background: var(--accent-primary);
}

.sensor-card.sonar::after {
  background: var(--accent-success);
}

.sensor-card.gpr::after {
  background: var(--accent-secondary);
}

.sensor-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.sensor-data {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.data-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.data-mini {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.data-mini span {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.fusion-panel,
.analysis-panel,
.subsurface-panel {
  min-height: 360px;
}

.pipeline-stages {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
  margin-top: 12px;
}

.pipeline-stage {
  min-height: 120px;
  padding: 18px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glow);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.92rem;
  line-height: 1.4;
  letter-spacing: 0.05em;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  position: relative;
}

.pipeline-stage::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -9px;
  width: 18px;
  height: 2px;
  background: var(--accent-primary);
  opacity: 0.45;
}

.pipeline-stage:last-child::after {
  display: none;
}

.pipeline-stage.active {
  border-color: rgba(0, 212, 255, 0.6);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.2);
  transform: scale(1.02);
}

.pipeline-stage.raw {
  color: #c8ebff;
}

.pipeline-stage.clean {
  color: #ccffd5;
}

.pipeline-stage.fused {
  color: #f2e8ff;
}

.pipeline-stage.validated {
  color: #fff0cf;
}

.stage-metric {
  font-size: 1.2rem;
  color: var(--text-primary);
}

.analysis-metrics {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface-3);
  border: 1px solid var(--border-soft);
}

.metric-row span:first-child {
  color: var(--text-secondary);
  font-size: 1rem;
}

.metric-row .metric-value {
  font-size: 1.15rem;
}

.metric-row .metric-value.error {
  color: var(--accent-warning);
}

.metric-row .metric-value.warning {
  color: var(--accent-gold);
}

.analysis-chart-wrap {
  margin-top: 18px;
  height: 180px;
  padding: 10px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border-soft);
}

.subsurface-panel {
  display: flex;
  flex-direction: column;
}

#subsurfaceCanvas {
  width: 100%;
  height: 300px;
  background:
    linear-gradient(rgba(120, 160, 220, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 220, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.22));
  background-size: 32px 32px, 32px 32px, auto;
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  margin-bottom: 16px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.legend-dot.metallic {
  background: #6ed3ff;
  box-shadow: 0 0 12px rgba(110, 211, 255, 0.45);
}

.legend-dot.pipe {
  background: #9b7bff;
  box-shadow: 0 0 12px rgba(155, 123, 255, 0.45);
}

.legend-dot.cavity {
  background: #ffc06a;
  box-shadow: 0 0 12px rgba(255, 192, 106, 0.45);
}

.status-strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.status-card {
  padding: 16px 18px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.status-card h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.status-card p {
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
}

.status-card small {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.pulse {
  animation: pulseGlow 1.8s infinite;
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 rgba(0, 212, 255, 0.15);
  }
  50% {
    box-shadow: 0 0 28px rgba(0, 212, 255, 0.28);
  }
  100% {
    box-shadow: 0 0 0 rgba(0, 212, 255, 0.15);
  }
}

.flash-warning {
  animation: flashWarn 1s ease 2;
}

@keyframes flashWarn {
  0%, 100% {
    border-color: var(--border-glow);
  }
  50% {
    border-color: rgba(255, 122, 89, 0.75);
  }
}

@media (max-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .header {
    flex-direction: column;
  }

  .header-metrics {
    min-width: 0;
    width: 100%;
  }

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

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

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

@media (max-width: 720px) {
  .app-shell {
    padding: 18px;
  }

  .header-left h1 {
    font-size: 1.8rem;
  }

  .eyebrow {
    font-size: 0.88rem;
    letter-spacing: 0.1em;
  }

  .header-metrics {
    grid-template-columns: 1fr;
  }

  .control-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-btn,
  .secondary-btn,
  .theme-toggle {
    width: 100%;
  }

  .pipeline-stages,
  .status-strip {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 18px;
  }

  .metric-row {
    flex-direction: column;
    align-items: flex-start;
  }
}