/* ═══════════════════════════════════════════
   Cam Server - MRI / Medical Imaging Theme
   ═══════════════════════════════════════════ */

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

:root {
  /* MRI Dark Theme */
  --mri-bg: #0a0e1a;
  --mri-panel: #0f1524;
  --mri-panel-light: #162032;
  --mri-border: #1c2a3f;
  --mri-border-light: #2a3f5c;
  --mri-text: #8896ab;
  --mri-text-bright: #d0d8e4;
  --mri-text-dim: #3e4f66;

  /* Accent Colors */
  --mri-cyan: #00d4ff;
  --mri-cyan-dim: #0080a0;
  --mri-cyan-glow: rgba(0, 212, 255, 0.25);
  --mri-green: #00ff88;
  --mri-green-dim: #00a858;
  --mri-green-glow: rgba(0, 255, 136, 0.25);
  --mri-amber: #fbbf24;
  --mri-red: #ef4444;
  --mri-red-glow: rgba(239, 68, 68, 0.25);

  /* LEDs */
  --led-green: #00ff88;
  --led-green-glow: rgba(0, 255, 136, 0.5);
  --led-red: #ef4444;
  --led-red-glow: rgba(239, 68, 68, 0.5);
  --led-orange: #fbbf24;
  --led-orange-glow: rgba(251, 191, 36, 0.5);
  --led-off: #2a3f5c;

  /* Fonts */
  --font: Tahoma, 'MS Sans Serif', Geneva, sans-serif;
  --font-mono: 'Consolas', 'Lucida Console', 'Courier New', monospace;
}

/* ── Base ── */

body {
  font-family: var(--font);
  font-size: 11px;
  color: var(--mri-text);
  background: var(--mri-bg);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  user-select: none;
  cursor: default;
}

/* ── Toolbar ── */

.mri-toolbar {
  background: var(--mri-panel);
  border-bottom: 1px solid var(--mri-border);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  min-height: 32px;
}

.mri-toolbar-group {
  display: flex;
  gap: 1px;
  background: var(--mri-border);
  border-radius: 3px;
  overflow: hidden;
}

.mri-tbtn {
  background: var(--mri-panel-light);
  border: none;
  padding: 4px 12px;
  font: 10px var(--font);
  color: var(--mri-text);
  cursor: default;
  letter-spacing: 0.5px;
  transition: background 0.15s, color 0.15s;
}
.mri-tbtn:hover { background: #1e3050; color: var(--mri-text-bright); }
.mri-tbtn.active {
  background: var(--mri-cyan-dim);
  color: #fff;
}

.mri-tbtn-single {
  background: var(--mri-panel-light);
  border: 1px solid var(--mri-border);
  border-radius: 3px;
  padding: 4px 10px;
  font: 10px var(--font);
  color: var(--mri-text);
  cursor: default;
  transition: background 0.15s;
}
.mri-tbtn-single:hover { background: #1e3050; border-color: var(--mri-border-light); }

.mri-tb-sep {
  width: 1px;
  height: 20px;
  background: var(--mri-border);
  margin: 0 6px;
}

.mri-tb-label {
  font: 10px var(--font-mono);
  color: var(--mri-text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 6px;
}

.mri-tb-spacer { flex: 1; }

.mri-clock {
  font: bold 11px var(--font-mono);
  color: var(--mri-cyan);
  text-shadow: 0 0 6px var(--mri-cyan-glow);
  letter-spacing: 1px;
}

/* ── LEDs ── */

.mri-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  background: var(--led-off);
}
.mri-led.online { background: var(--led-green); box-shadow: 0 0 6px var(--led-green-glow); }
.mri-led.offline { background: var(--led-red); box-shadow: 0 0 4px var(--led-red-glow); }
.mri-led.starting { background: var(--led-orange); box-shadow: 0 0 4px var(--led-orange-glow); animation: led-blink 0.8s infinite; }
.mri-led.unknown { background: var(--led-off); }

@keyframes led-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── Workspace ── */

.mri-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* ── Sidebar ── */

.mri-sidebar {
  width: 200px;
  background: var(--mri-panel);
  border-right: 1px solid var(--mri-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.mri-sidebar-title {
  padding: 7px 10px;
  font: bold 9px var(--font);
  letter-spacing: 2px;
  color: var(--mri-cyan);
  background: linear-gradient(180deg, #0c1829, var(--mri-panel));
  border-bottom: 1px solid var(--mri-cyan-dim);
  text-transform: uppercase;
}

.mri-camera-list {
  flex: 1;
  overflow-y: auto;
}

.mri-cam-item {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: default;
  border-bottom: 1px solid var(--mri-border);
  transition: background 0.15s;
}
.mri-cam-item:hover { background: var(--mri-panel-light); }
.mri-cam-item.selected {
  background: #0c2d4a;
  border-left: 2px solid var(--mri-cyan);
  padding-left: 8px;
}
.mri-cam-item.offline-item { opacity: 0.5; }

.mri-cam-name {
  font-size: 11px;
  color: var(--mri-text-bright);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mri-cam-model {
  font: 9px var(--font-mono);
  color: var(--mri-text-dim);
}

/* ── Stats Panel ── */

.mri-stats-panel {
  padding: 8px 10px;
  font: 10px var(--font-mono);
  color: var(--mri-text-dim);
  line-height: 1.8;
  border-top: 1px solid var(--mri-border);
}

.mri-stat-row {
  display: flex;
  justify-content: space-between;
}

.mri-stat-val {
  color: var(--mri-green);
  text-shadow: 0 0 4px var(--mri-green-glow);
  font-weight: bold;
}

/* ── Camera Grid ── */

.mri-grid-container {
  flex: 1;
  padding: 3px;
  overflow: hidden;
  background: #050810;
}

.mri-grid {
  display: grid;
  gap: 3px;
  height: 100%;
  width: 100%;
}
.mri-grid.grid-1x1 { grid-template-columns: 1fr; }
.mri-grid.grid-2x2 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.mri-grid.grid-2x3 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr 1fr; }
.mri-grid.grid-3x3 { grid-template-columns: 1fr 1fr 1fr; grid-template-rows: 1fr 1fr 1fr; }
.mri-grid.grid-1x6 { grid-template-columns: 1fr; grid-template-rows: auto; }

/* ── Camera Pane ── */

.mri-pane {
  position: relative;
  background: #000;
  border: 1px solid var(--mri-border);
  overflow: hidden;
  cursor: pointer;
}
.mri-pane:hover { border-color: var(--mri-cyan-dim); }
.mri-pane.selected-pane { border-color: var(--mri-cyan); box-shadow: inset 0 0 12px var(--mri-cyan-glow); }

.mri-pane video, .mri-pane img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
  display: block;
}

/* Scan-line overlay */
.mri-pane::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.06) 3px,
    rgba(0, 0, 0, 0.06) 6px
  );
  z-index: 3;
}

/* No signal state */
.mri-pane-nosignal {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font: bold 14px var(--font-mono);
  color: var(--mri-text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ── Overlays (MRI text) ── */

.mri-overlay {
  position: absolute;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mri-cyan);
  text-shadow: 0 0 4px var(--mri-cyan-glow), 1px 1px 0 rgba(0,0,0,0.8);
  padding: 6px 8px;
  line-height: 1.5;
  z-index: 4;
}

.mri-overlay-tl { top: 0; left: 0; }
.mri-overlay-tr { top: 0; right: 0; text-align: right; }
.mri-overlay-bl { bottom: 0; left: 0; }
.mri-overlay-br { bottom: 0; right: 0; text-align: right; }

.mri-overlay .cam-name {
  font-weight: bold;
  font-size: 11px;
}

.mri-overlay .cam-model {
  font-size: 9px;
  color: var(--mri-text-dim);
}

.mri-overlay .cam-ip {
  font-size: 9px;
  color: #4a6580;
}

.mri-rec-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--led-red);
  box-shadow: 0 0 4px var(--led-red-glow);
  animation: led-blink 1s infinite;
  margin-right: 3px;
  vertical-align: middle;
}

.mri-rec-label {
  color: var(--mri-red);
  font-weight: bold;
  font-size: 10px;
}

/* ── Status Bar ── */

.mri-statusbar {
  display: flex;
  background: var(--mri-panel);
  border-top: 1px solid var(--mri-border);
  flex-shrink: 0;
}

.mri-sb-panel {
  padding: 3px 10px;
  border-right: 1px solid var(--mri-border);
  font: 10px var(--font-mono);
  color: var(--mri-text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
}

.mri-sb-main { flex: 1; }

.mri-sb-panel .mri-led { width: 6px; height: 6px; }

/* ── Scrollbars ── */

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--mri-bg); }
::-webkit-scrollbar-thumb { background: var(--mri-border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #3e5575; }

/* ── Empty pane placeholder ── */
.mri-pane-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #030508;
  border: 1px solid var(--mri-border);
}

.mri-pane-empty-text {
  font: 10px var(--font-mono);
  color: var(--mri-text-dim);
  letter-spacing: 2px;
  opacity: 0.3;
}

/* ── Sidebar Toggle (hidden on desktop) ── */

.mri-sidebar-toggle { display: none; }

/* ── Mobile Responsive ── */

@media (max-width: 768px) {

  body { font-size: 14px; }

  /* Toolbar: compact for mobile */
  .mri-toolbar {
    padding: 6px 8px;
    gap: 4px;
    min-height: 44px;
    flex-wrap: wrap;
  }

  .mri-tbtn {
    padding: 8px 14px;
    font-size: 13px;
  }

  .mri-tbtn-single {
    padding: 8px 12px;
    font-size: 13px;
  }

  .mri-tb-label {
    font-size: 11px;
    padding: 0 4px;
  }

  .mri-clock {
    font-size: 13px;
  }

  /* Hide non-essential toolbar items on mobile */
  .mri-hide-mobile { display: none !important; }
  .mri-tb-sep { display: none; }
  .mri-tb-spacer { display: none; }

  /* Show hamburger menu */
  .mri-sidebar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    min-width: 40px;
    min-height: 40px;
  }

  /* Sidebar: overlay on mobile, hidden by default */
  .mri-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: none;
  }

  .mri-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.6);
  }

  .mri-sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

  .mri-sidebar-backdrop.visible { display: block; }

  .mri-sidebar-title {
    padding: 12px 14px;
    font-size: 11px;
  }

  .mri-cam-item {
    padding: 12px 14px;
    gap: 10px;
  }

  .mri-cam-name { font-size: 14px; }
  .mri-cam-model { font-size: 11px; }

  .mri-stats-panel {
    font-size: 12px;
    padding: 12px 14px;
  }

  .mri-led { width: 10px; height: 10px; }

  /* Grid: takes full width */
  .mri-workspace { flex-direction: column; }

  .mri-grid-container { flex: 1; padding: 2px; overflow-y: auto; overflow-x: hidden; }

  .mri-grid { gap: 2px; height: auto; }

  /* Mobile: fixed-height panes so you can scroll */
  .mri-pane { min-height: 220px; }
  .mri-pane-empty { min-height: 220px; }

  /* On mobile, 3x3 becomes 2-col */
  .mri-grid.grid-3x3 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }

  /* 1x6: single column, all cameras stacked */
  .mri-grid.grid-1x6 {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  /* Pane overlays: bigger text */
  .mri-overlay {
    font-size: 11px;
    padding: 4px 6px;
  }

  .mri-overlay .cam-name { font-size: 12px; }
  .mri-overlay .cam-model { font-size: 10px; }
  .mri-overlay .cam-ip { font-size: 10px; }

  .mri-pane-nosignal { font-size: 16px; }

  /* Status bar: simplified */
  .mri-statusbar { flex-wrap: wrap; }

  .mri-sb-panel {
    font-size: 11px;
    padding: 4px 8px;
  }
}

/* Extra small screens (iPhone SE, etc.) */
@media (max-width: 414px) {

  .mri-toolbar { min-height: 40px; }

  .mri-tbtn { padding: 6px 10px; font-size: 12px; }
  .mri-tbtn-single { padding: 6px 10px; font-size: 12px; }

  /* Force 1-column for 2x3 and 3x3 on very small screens */
  .mri-grid.grid-2x3,
  .mri-grid.grid-3x3 {
    grid-template-columns: 1fr;
  }
}