/* ==========================================================================
   MINEGUARD AI — CORE DESIGN SYSTEM TOKENS & UTILITIES
   Derived directly from official brand identity (app_logo.jpeg)
   Mobile-First • High-Performance • Glassmorphic Dark Sci-Fi Mining Aesthetics
   ========================================================================== */

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

:root {
  /* Surface Layers */
  --bg-deep: #050a14;
  --bg-primary: #070d18;
  --bg-secondary: #0c1527;
  --bg-elevated: #11203b;
  --bg-card: rgba(17, 32, 59, 0.72);
  --bg-card-hover: rgba(24, 45, 82, 0.82);
  --bg-glass: rgba(12, 21, 39, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(0, 229, 255, 0.35);

  /* Glowing Brand Telemetry Accents */
  --cyan: #00e5ff;
  --cyan-dark: #00b4d8;
  --cyan-glow: rgba(0, 229, 255, 0.35);

  --copper-gold: #f59e0b;
  --copper-gold-glow: rgba(245, 158, 11, 0.35);

  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.35);

  --safety-orange: #f97316;
  --safety-orange-glow: rgba(249, 115, 22, 0.35);

  --danger-crimson: #ef4444;
  --danger-crimson-glow: rgba(239, 68, 68, 0.45);

  /* Neutral Text Palette */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --text-inverse: #050a14;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Elevation Shadows & Glows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6);
  --glow-cyan: 0 0 20px rgba(0, 229, 255, 0.25);
  --glow-red: 0 0 25px rgba(239, 68, 68, 0.4);
  --glow-gold: 0 0 20px rgba(245, 158, 11, 0.25);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Glassmorphism Surface Components */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(0, 229, 255, 0.22);
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.glass-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.16);
}

/* Glowing Neon Borders */
.border-glow-cyan {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.border-glow-red {
  border-color: var(--danger-crimson);
  box-shadow: var(--glow-red);
}

.border-glow-gold {
  border-color: var(--copper-gold);
  box-shadow: var(--glow-gold);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.mono-metric {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.03em;
}

/* Status Badges & Pills */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  line-height: 1;
}

.status-pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.status-pill.critical {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.4);
}
.status-pill.critical::before {
  background: var(--danger-crimson);
  box-shadow: 0 0 8px var(--danger-crimson);
  animation: pulse-strobe 1s infinite alternate;
}

.status-pill.warning {
  background: rgba(249, 115, 22, 0.18);
  color: #fdba74;
  border: 1px solid rgba(249, 115, 22, 0.4);
}
.status-pill.warning::before {
  background: var(--safety-orange);
  box-shadow: 0 0 8px var(--safety-orange);
}

.status-pill.advisory {
  background: rgba(245, 158, 11, 0.18);
  color: #fcd34d;
  border: 1px solid rgba(245, 158, 11, 0.4);
}
.status-pill.advisory::before {
  background: var(--copper-gold);
}

.status-pill.safe, .status-pill.low {
  background: rgba(16, 185, 129, 0.18);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.status-pill.safe::before, .status-pill.low::before {
  background: var(--emerald);
  box-shadow: 0 0 6px var(--emerald);
}

/* Button Component Standards */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  min-height: 42px;
}

.btn-primary {
  background: linear-gradient(135deg, #00b4d8 0%, #00e5ff 100%);
  color: #070d18;
  box-shadow: 0 2px 10px rgba(0, 229, 255, 0.3);
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 18px rgba(0, 229, 255, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border-color: var(--border-subtle);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 18px rgba(239, 68, 68, 0.5);
}

.btn-outline-cyan {
  background: transparent;
  color: var(--cyan);
  border-color: rgba(0, 229, 255, 0.4);
}
.btn-outline-cyan:hover {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--cyan);
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* Animations */
@keyframes pulse-strobe {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.3); opacity: 1; }
}

@keyframes breath-glow {
  0% { box-shadow: 0 0 10px rgba(0, 229, 255, 0.2); }
  50% { box-shadow: 0 0 25px rgba(0, 229, 255, 0.5); }
  100% { box-shadow: 0 0 10px rgba(0, 229, 255, 0.2); }
}

@keyframes radar-sweep {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fade-slide-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fade-slide-in var(--transition-smooth) forwards;
}

/* SVG Icon Helper */
.icon-svg {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
  flex-shrink: 0;
}