/* ============================================================
   DisasterShield NE — Core Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Background Layers */
  --bg-void:       #05080f;
  --bg-deep:       #080d1a;
  --bg-surface:    #0d1526;
  --bg-elevated:   #111d35;
  --bg-glass:      rgba(13, 21, 38, 0.65);
  --bg-glass-high: rgba(17, 29, 53, 0.85);

  /* Primary — Electric Cyan */
  --cyan-50:  #e0faff;
  --cyan-100: #b3f4ff;
  --cyan-200: #66e8ff;
  --cyan-300: #00d4ff;
  --cyan-400: #00b8e0;
  --cyan-500: #008fad;
  --cyan-glow: rgba(0, 212, 255, 0.25);
  --cyan-glow-strong: rgba(0, 212, 255, 0.5);

  /* Warning — Amber */
  --amber-300: #ffd166;
  --amber-400: #ff8c00;
  --amber-500: #e07800;
  --amber-glow: rgba(255, 140, 0, 0.25);

  /* Danger — Crimson */
  --red-300: #ff6b6b;
  --red-400: #dc143c;
  --red-500: #b01030;
  --red-glow: rgba(220, 20, 60, 0.25);

  /* Safe — Emerald */
  --green-300: #69ffb3;
  --green-400: #00d97e;
  --green-500: #00a860;
  --green-glow: rgba(0, 217, 126, 0.2);

  /* Neutral */
  --gray-100: #e4eaf5;
  --gray-200: #c8d3e8;
  --gray-300: #9aaabf;
  --gray-400: #6b7d99;
  --gray-500: #475569;
  --gray-600: #2d3d55;
  --gray-700: #1e2d44;

  /* Typography */
  --font-display: 'Inter', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Border Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Shadows & Glow */
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:      0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg:      0 8px 40px rgba(0,0,0,0.5);
  --glow-cyan:      0 0 20px var(--cyan-glow), 0 0 40px rgba(0,212,255,0.1);
  --glow-amber:     0 0 20px var(--amber-glow);
  --glow-red:       0 0 20px var(--red-glow);
  --glow-green:     0 0 20px var(--green-glow);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Borders */
  --border-subtle:  1px solid rgba(255,255,255,0.05);
  --border-glass:   1px solid rgba(0, 212, 255, 0.12);
  --border-active:  1px solid rgba(0, 212, 255, 0.4);
  --border-danger:  1px solid rgba(220, 20, 60, 0.4);
  --border-warning: 1px solid rgba(255, 140, 0, 0.4);
  --border-success: 1px solid rgba(0, 217, 126, 0.4);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-void);
  color: var(--gray-100);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(0, 212, 255, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 100, 180, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 50% 50%, rgba(5, 8, 15, 0) 0%, transparent 100%);
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }
h5 { font-size: 0.95rem; }
h6 { font-size: 0.85rem; }

p {
  font-size: 0.95rem;
  color: var(--gray-300);
  line-height: 1.7;
}

a {
  color: var(--cyan-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--cyan-200); }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb {
  background: var(--gray-600);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--cyan-500); }

/* ── Glass Card ─────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(0, 212, 255, 0.22);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 212, 255, 0.05);
}

.glass-card-elevated {
  background: var(--bg-glass-high);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-300) 0%, var(--cyan-400) 100%);
  color: var(--bg-deep);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
  color: var(--bg-deep);
}

.btn-secondary {
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan-300);
  border: var(--border-active);
}
.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.2);
  color: var(--cyan-200);
}

.btn-danger {
  background: linear-gradient(135deg, var(--red-300) 0%, var(--red-400) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(220, 20, 60, 0.3);
}
.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(220, 20, 60, 0.5);
}

.btn-warning {
  background: linear-gradient(135deg, var(--amber-300) 0%, var(--amber-400) 100%);
  color: var(--bg-deep);
  box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-300);
  border: var(--border-subtle);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--gray-100);
  border-color: rgba(255,255,255,0.1);
}

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-icon { padding: 10px; }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.badge-critical { background: rgba(220,20,60,0.15); color: var(--red-300); border: var(--border-danger); }
.badge-warning  { background: rgba(255,140,0,0.15); color: var(--amber-300); border: var(--border-warning); }
.badge-safe     { background: rgba(0,217,126,0.12); color: var(--green-300); border: var(--border-success); }
.badge-info     { background: rgba(0,212,255,0.12); color: var(--cyan-300); border: var(--border-active); }
.badge-neutral  { background: rgba(255,255,255,0.06); color: var(--gray-300); border: var(--border-subtle); }

/* ── Status Dots ────────────────────────────────────────────── */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.status-dot.live    { background: var(--green-400); box-shadow: 0 0 8px var(--green-400); animation: pulse-dot 2s infinite; }
.status-dot.warning { background: var(--amber-400); box-shadow: 0 0 8px var(--amber-400); animation: pulse-dot 1.5s infinite; }
.status-dot.danger  { background: var(--red-400);   box-shadow: 0 0 8px var(--red-400);   animation: pulse-dot 1s infinite; }
.status-dot.offline { background: var(--gray-500); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

/* ── Metric Cards ───────────────────────────────────────────── */
.metric-card {
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-300), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.metric-card:hover::before { opacity: 1; }

.metric-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--gray-100);
}

.metric-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-xs);
}

.metric-delta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: var(--space-sm);
}

.metric-delta.up   { color: var(--red-300); }
.metric-delta.down { color: var(--green-300); }
.metric-delta.same { color: var(--gray-400); }

/* ── Alert Banners ──────────────────────────────────────────── */
.alert-banner {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  position: relative;
  overflow: hidden;
}

.alert-banner::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
}

.alert-banner.critical {
  background: rgba(220, 20, 60, 0.1);
  border: var(--border-danger);
}
.alert-banner.critical::before { background: var(--red-400); }

.alert-banner.warning {
  background: rgba(255, 140, 0, 0.08);
  border: var(--border-warning);
}
.alert-banner.warning::before { background: var(--amber-400); }

.alert-banner.info {
  background: rgba(0, 212, 255, 0.07);
  border: var(--border-active);
}
.alert-banner.info::before { background: var(--cyan-300); }

.alert-banner.success {
  background: rgba(0, 217, 126, 0.07);
  border: var(--border-success);
}
.alert-banner.success::before { background: var(--green-400); }

/* ── Progress Bars ──────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0%   { left: -100%; }
  100% { left: 200%; }
}

.progress-fill.cyan   { background: linear-gradient(90deg, var(--cyan-400), var(--cyan-300)); }
.progress-fill.amber  { background: linear-gradient(90deg, var(--amber-500), var(--amber-300)); }
.progress-fill.red    { background: linear-gradient(90deg, var(--red-500), var(--red-300)); }
.progress-fill.green  { background: linear-gradient(90deg, var(--green-500), var(--green-300)); }

/* ── Tables ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  padding: var(--space-sm) var(--space-md);
  border-bottom: var(--border-glass);
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--gray-200);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(0, 212, 255, 0.03);
}

.data-table tr:last-child td { border-bottom: none; }

/* ── Form Elements ──────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-300);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.form-input,
.form-select,
.form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  color: var(--gray-100);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 10px 14px;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--cyan-300);
  background: rgba(0, 212, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-500);
}

.form-select option {
  background: var(--bg-elevated);
  color: var(--gray-100);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ── Section Headers ────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.section-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan-300);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: var(--cyan-300);
  border-radius: 2px;
  box-shadow: var(--glow-cyan);
}

/* ── Utility Classes ────────────────────────────────────────── */
.text-cyan    { color: var(--cyan-300); }
.text-amber   { color: var(--amber-300); }
.text-red     { color: var(--red-300); }
.text-green   { color: var(--green-300); }
.text-muted   { color: var(--gray-400); }
.text-bright  { color: var(--gray-100); }

.bg-glass     { background: var(--bg-glass); }
.glow-cyan    { box-shadow: var(--glow-cyan); }
.glow-red     { box-shadow: var(--glow-red); }
.glow-amber   { box-shadow: var(--glow-amber); }

.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm       { gap: var(--space-sm); }
.gap-md       { gap: var(--space-md); }
.gap-lg       { gap: var(--space-lg); }

.w-full       { width: 100%; }
.h-full       { height: 100%; }

.hidden       { display: none !important; }

.rounded-full { border-radius: var(--radius-full); }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.15), transparent);
  margin: var(--space-lg) 0;
}

/* ── Tooltip ────────────────────────────────────────────────── */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  color: var(--gray-100);
  font-size: 0.75rem;
  font-family: var(--font-display);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  border: var(--border-glass);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 1000;
}

[data-tooltip]:hover::after { opacity: 1; }

/* ── Loading Skeleton ───────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-wave {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Leaflet Overrides ──────────────────────────────────────── */
.leaflet-container {
  background: #0a0f1e !important;
  font-family: var(--font-body) !important;
}

.leaflet-popup-content-wrapper {
  background: var(--bg-elevated) !important;
  color: var(--gray-100) !important;
  border: var(--border-glass) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
}

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

.leaflet-control-zoom a {
  background: var(--bg-elevated) !important;
  color: var(--cyan-300) !important;
  border: var(--border-glass) !important;
}

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

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --space-lg: 20px; --space-xl: 28px; }
}

@media (max-width: 768px) {
  :root { --space-lg: 16px; --space-xl: 24px; }
  .btn-lg { padding: 12px 22px; }
}

@media (max-width: 480px) {
  :root { font-size: 15px; }
}