/* ═══════════════════════════════════════════════════════════════════════════
   PlaceNTrace WebUI — 7sqrd "Executive Stealth" Design System
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  /* Palette */
  --bg-void: #050505;
  --bg-card: #111111;
  --bg-sidebar: rgba(17, 17, 17, 0.92);
  --bg-glass: rgba(26, 26, 26, 0.85);
  --bg-input: #1c1c1c;
  --bg-input-focus: #242424;
  --border: rgba(255, 255, 255, 0.07);
  --border-accent: rgba(255, 176, 0, 0.35);

  /* Accent — Electric Amber */
  --amber: #FFB000;
  --amber-dim: rgba(255, 176, 0, 0.15);
  --amber-glow: rgba(255, 176, 0, 0.45);
  --amber-dark: #cc8c00;

  /* Text */
  --text-primary: #f2f2f2;
  --text-secondary: #888888;
  --text-muted: #555555;
  --text-amber: #FFB000;

  /* Status */
  --green: #22c55e;
  --red: #ef4444;

  /* Type */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Spacing */
  --sidebar-w: 260px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur-normal: 240ms;
  --dur-slow: 400ms;
}

/* ─── Reset & Base ───────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ─── Utility ────────────────────────────────────────────────────────────────── */
.hidden {
  display: none !important;
}

.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--border);
}

/* ─── Branding ───────────────────────────────────────────────────────────────── */
.brand-mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
  line-height: 1.4;
}

.brand-sep {
  color: var(--amber);
  margin: 0 0.4em;
  font-weight: 700;
}



/* ─── Login Screen ───────────────────────────────────────────────────────────── */
.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(255, 176, 0, 0.07) 0%, transparent 70%),
    var(--bg-void);
  z-index: 9999;
  animation: fadeIn var(--dur-normal) var(--ease) both;
}

.login-card {
  width: min(420px, 92vw);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-accent);
  box-shadow: 0 0 80px -20px rgba(255, 176, 0, 0.15), 0 32px 64px rgba(0, 0, 0, 0.6);
}

.login-logo {
  font-size: 1.4rem;
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.login-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-error {
  color: var(--red);
  font-size: 0.8rem;
  min-height: 1em;
  transition: opacity var(--dur-fast);
}

/* ─── Form Elements ──────────────────────────────────────────────────────────── */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.field-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.6rem 0.75rem;
  outline: none;
  transition: border-color var(--dur-fast), background var(--dur-fast), box-shadow var(--dur-fast);
  width: 100%;
}

.field-input:focus {
  background: var(--bg-input-focus);
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-dim);
}

.field-input--sm {
  padding: 0.45rem 0.65rem;
  font-size: 0.82rem;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.6);
  cursor: pointer;
}

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn-primary,
.btn-ghost,
.btn-amber {
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.65rem 1.25rem;
  transition: all var(--dur-fast) var(--ease);
  width: 100%;
  border: none;
}

.btn-primary {
  background: var(--amber);
  color: #000;
}

.btn-primary:hover {
  background: #ffc233;
  box-shadow: 0 0 24px -4px var(--amber-glow);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-amber {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid var(--border-accent);
}

.btn-amber:hover {
  background: rgba(255, 176, 0, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.btn--xs {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  width: auto;
}

/* ─── App Layout ─────────────────────────────────────────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1rem;
  gap: 0;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--border);
  z-index: 100;
  transition: width var(--dur-normal) var(--ease), min-width var(--dur-normal) var(--ease);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar.collapsed {
  width: 54px;
  min-width: 54px;
  padding: 0.75rem 0;
  /* remove horizontal padding so header items fit */
  align-items: center;
}

.sidebar.collapsed .sidebar-section,
.sidebar.collapsed .sidebar-footer,
.sidebar.collapsed .product-name {
  display: none;
}

/* Collapsed header: stack logo + toggle vertically in the narrow rail */
.sidebar.collapsed .sidebar-header {
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding-bottom: 0.75rem;
  margin-bottom: 0;
  width: 100%;
  border-bottom: 1px solid var(--border);
}

/* Collapsed toggle: large amber hit-target so it's always obvious */
.sidebar.collapsed .sidebar-toggle {
  margin-left: 0;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--amber-dim);
  border: 1px solid var(--border-accent);
  color: var(--amber);
  font-size: 1rem;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.product-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex: 1;
}

.sidebar-toggle {
  margin-left: auto;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem 0.4rem;
  flex-shrink: 0;
  transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast);
  line-height: 1;
}

.sidebar-toggle:hover {
  color: var(--amber);
  background: var(--amber-dim);
  border-color: var(--border-accent);
}

/* ─── Tab Bar ───────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 0;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  padding: 0;
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.5rem 0;
  text-transform: uppercase;
  transition: color var(--dur-fast), background var(--dur-fast);
}

.tab-btn:last-child {
  border-right: none;
}

.tab-btn:hover {
  color: var(--amber);
  background: var(--amber-dim);
}

.tab-btn.tab--active {
  background: var(--amber-dim);
  color: var(--amber);
  border-bottom: 2px solid var(--amber);
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* ─── Tag List ───────────────────────────────────────────────────────────────── */
.tag-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tag-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur-fast);
  border: 1px solid transparent;
}

.tag-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.tag-item.active {
  background: var(--amber-dim);
  border-color: var(--border-accent);
}

.tag-item.active .tag-name {
  color: var(--amber);
}

.tag-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 6px currentColor;
}

.tag-name {
  font-size: 0.82rem;
  font-weight: 500;
  flex: 1;
}

.tag-count {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.skeleton {
  height: 34px;
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-input) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: -200% 0;
  }
}

/* ─── Date Range ──────────────────────────────────────────────────────────── */
.date-range {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ─── Telemetry ──────────────────────────────────────────────────────────────── */
.telemetry-grid {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.telem-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.telem-value {
  font-size: 0.82rem;
  color: var(--text-primary);
  text-align: right;
}

.telem-coords {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  color: var(--amber);
}

/* ─── Sidebar Footer ─────────────────────────────────────────────────────────── */
.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2.5s ease-in-out infinite;
}

.status-dot--ok {
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}

.status-dot--err {
  background: var(--red);
  box-shadow: 0 0 6px var(--red);
  animation: none;
}

.status-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.35;
  }
}

/* ─── Map ────────────────────────────────────────────────────────────────────── */
.map {
  flex: 1;
  z-index: 1;
  background: var(--bg-void);
}

/* Leaflet overrides */
.leaflet-container {
  background: #0a0a0a;
}

.leaflet-control-attribution {
  background: rgba(5, 5, 5, 0.7) !important;
  color: var(--text-muted) !important;
  font-size: 10px !important;
}

.leaflet-control-attribution a {
  color: var(--text-muted) !important;
}

.leaflet-control-zoom a {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(12px);
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}

.leaflet-control-zoom a:hover {
  background: var(--bg-input) !important;
  color: var(--amber) !important;
}

/* Neon ping marker — colour applied inline by JS for per-tag neon shades */
.neon-ping {
  border-radius: 50%;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast);
}

.neon-ping:hover {
  transform: scale(1.5);
}

.neon-ping--latest {
  animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {

  0%,
  100% {
    filter: brightness(1);
  }

  50% {
    filter: brightness(1.6);
  }
}

/* Popup styling */
.leaflet-popup-content-wrapper {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-accent) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5) !important;
  color: var(--text-primary) !important;
  font-family: var(--font-sans) !important;
}

.leaflet-popup-tip {
  background: var(--bg-card) !important;
}

.leaflet-popup-content {
  font-size: 0.82rem !important;
}

/* ─── Map Brightness Slider ──────────────────────────────────────────────────── */
.map-overlay-control {
  position: absolute;
  top: 80px;
  /* just below Leaflet zoom buttons */
  left: 10px;
  z-index: 800;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.6rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  user-select: none;
}

.brightness-icon {
  font-size: 0.95rem;
  color: var(--amber);
  line-height: 1;
}

/* Vertical range slider */
.brightness-slider {
  -webkit-appearance: slider-vertical;
  appearance: slider-vertical;
  writing-mode: vertical-lr;
  direction: rtl;
  width: 20px;
  height: 90px;
  cursor: pointer;
  accent-color: var(--amber);
  background: transparent;
  outline: none;
}

/* Fallback for browsers that don't support vertical appearance */
@supports not (appearance: slider-vertical) {
  .brightness-slider {
    -webkit-appearance: none;
    appearance: none;
    writing-mode: vertical-lr;
    direction: rtl;
    width: 4px;
    height: 90px;
    background: linear-gradient(to top, var(--border) 0%, var(--amber) 100%);
    border-radius: 2px;
  }

  .brightness-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 6px var(--amber-glow);
    cursor: pointer;
  }
}

.brightness-labels {
  display: flex;
  flex-direction: column-reverse;
  /* top = light, bottom = dark, matches slider */
  align-items: center;
  gap: 0;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.8;
}

.brightness-labels span:nth-child(1) {
  color: var(--text-secondary);
}

/* Light — top */
.brightness-labels span:nth-child(3) {
  color: var(--text-muted);
}

/* Dark  — bottom */

/* ─── Animations ─────────────────────────────────────────────────────────────── */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}