@tailwind base;
@tailwind components;
@tailwind utilities;

/* ══════════════════════════════════════════════════════════════
   PolyWeather — Unified Design Token System
   ══════════════════════════════════════════════════════════════ */

@layer base {
  :root {
    /* ── Background Scale ── */
    --color-bg-base: #f4f7fb;
    --color-bg-raised: #ffffff;
    --color-bg-overlay: #ffffff;
    --color-bg-card: rgba(255, 255, 255, 0.95);
    --color-bg-input: rgba(241, 245, 249, 0.88);

    /* ── Text Scale ── */
    --color-text-primary: #0F172A;
    --color-text-secondary: #334155;
    --color-text-muted: #475569;
    --color-text-disabled: #94A3B8;

    /* ── Accent Colors ── */
    --color-accent-primary: #2563EB;
    --color-accent-secondary: #3B82F6;
    --color-accent-tertiary: #60A5FA;

    /* ── Signal / Semantic Colors ── */
    --color-signal-success: #00897b;
    --color-signal-warning: #d97706;
    --color-signal-danger: #dc2626;
    --color-signal-info: #2563eb;

    /* ── Risk Colors (aliased from signal) ── */
    --color-risk-high: var(--color-signal-danger);
    --color-risk-medium: var(--color-signal-warning);
    --color-risk-low: var(--color-signal-success);

    /* ── Border ── */
    --color-border-default: #d8e0ec;
    --color-border-hover: #b8c4d6;
    --color-border-subtle: #e8edf5;

    /* ── Shadow / Elevation ── */
    --shadow-elevation-1: 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow-elevation-2: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-elevation-3: 0 20px 60px rgba(15, 23, 42, 0.08);
    --shadow-glow-accent: 0 0 20px rgba(37, 99, 235, 0.08);
    --shadow-glow-secondary: 0 0 20px rgba(96, 165, 250, 0.08);

    /* ── Typography ── */
    --font-data: var(--font-inter), -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-display: var(--font-inter), -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: var(--font-jetbrains-mono), "Fira Code", "SF Mono", monospace;

    /* ── Spacing (4px grid) ── */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;

    /* ── Border Radius ── */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 14px;
    --radius-full: 9999px;

    /* ── Glass / Blur ── */
    --glass-blur-1: blur(10px);
    --glass-blur-2: blur(16px);
    --glass-blur-3: blur(24px);
    --glass-opacity-1: 0.86;
    --glass-opacity-2: 0.92;
    --glass-opacity-3: 0.96;

    /* ── Layout ── */
    --header-height: 52px;
    --sidebar-width: 260px;
    --panel-width: 560px;

    /* ── Motion ── */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition: var(--transition-base);

    /* ── Legacy Variable Aliases ── */
    --accent-cyan:    var(--color-accent-primary);
    --accent-blue:    var(--color-accent-secondary);
    --accent-green:   var(--color-signal-success);
    --bg-primary:     var(--color-bg-base);
    --bg-secondary:   var(--color-bg-raised);
    --bg-card:        var(--color-bg-card);
    --bg-glass:       var(--color-bg-card);
    --border-glass:   var(--color-border-default);
    --border-subtle:  var(--color-border-subtle);
    --text-primary:   var(--color-text-primary);
    --text-secondary: var(--color-text-secondary);
    --text-muted:     var(--color-text-muted);
    --risk-high:      var(--color-risk-high);
    --risk-medium:    var(--color-risk-medium);
    --risk-low:       var(--color-risk-low);
    --shadow-lg:      var(--shadow-elevation-2);
    --glass-blur:     10px;

    /* ── shadcn/ui Tokens ── */
    --background: 210 40% 98%;
    --foreground: 222 47% 12%;
    --card: 0 0% 100%;
    --card-foreground: 222 47% 12%;
    --primary: 221 83% 53%;
    --primary-foreground: 210 40% 98%;
    --secondary: 210 40% 96%;
    --secondary-foreground: 222 47% 12%;
    --accent: 210 40% 96%;
    --accent-foreground: 222 47% 12%;
    --border: 214 32% 91%;
  }

  /* ── Monospaced numbers & data globally for professional feel ── */
  .font-mono,
  .nearby-temp,
  .nearby-wind,
  .nearby-time,
  .nearby-marker,
  .marker-bubble,
  .map-pill,
  [class*="temp"],
  [class*="value"],
  [class*="price"],
  [class*="number"],
  [class*="stat"],
  [class*="score"],
  [class*="time-"] {
    font-family: var(--font-mono) !important;
  }

  * {
    @apply border-border;
  }

  /* ── Skip-to-content link ── */
  .skip-to-content {
    position: absolute;
    top: -100%;
    left: 8px;
    z-index: 9999;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    background: var(--color-accent-primary);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    transition: top 0.18s ease;
  }

  .skip-to-content:focus {
    top: 8px;
  }

  /* ── Global focus-visible ring (keyboard navigation) ── */
  :focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
    border-radius: 2px;
  }

  body {
    font-family: var(--font-data);
    font-size: 15px;
    background: var(--color-bg-base);
    color: var(--color-text-primary);
  }

  /* Global font-size bump for data-dense terminal panels */
  .text-\[9px\] { font-size: 10px; }
  .text-\[10px\] { font-size: 11px; }
  .text-\[11px\] { font-size: 12px; }
  .text-xs { font-size: 0.8rem; line-height: 1.35rem; }
  .text-sm { font-size: 0.9rem; line-height: 1.45rem; }
  table { font-size: inherit; }
}

/* ══════════════════════════════════════════════════════════════
   Map Components (Leaflet overrides + map markers)
   ══════════════════════════════════════════════════════════════ */

@layer components {
  .leaflet-container {
    width: 100%;
    height: 100%;
    font-family: inherit;
  }

  .leaflet-control-zoom a {
    background: rgba(8, 12, 20, 0.85) !important;
    border-color: var(--color-border-default) !important;
    color: var(--color-text-primary) !important;
  }

  .leaflet-control-zoom a:hover {
    background: rgba(13, 19, 33, 0.95) !important;
    border-color: var(--color-border-hover) !important;
  }

  /* ── Map Pill (temperature labels on map) ── */
  .map-pill {
    min-width: 52px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 5px 10px;
    color: var(--color-text-primary);
    font-size: 11px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    backdrop-filter: var(--glass-blur-1);
    box-shadow:
      0 2px 14px rgba(2, 6, 23, 0.45),
      inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }

  .map-pill.high {
    background: linear-gradient(135deg, var(--color-signal-danger), #b91c1c);
  }

  .map-pill.medium {
    background: linear-gradient(135deg, var(--color-signal-warning), #b45309);
  }

  .map-pill.low {
    background: linear-gradient(135deg, #22C55E, #047857);
  }

  .map-pill.active {
    transform: translateY(-2px) scale(1.05);
    box-shadow:
      0 8px 24px rgba(0, 224, 164, 0.35),
      inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }

  /* ── Glass utility ── */
  .glass {
    background: linear-gradient(
      180deg,
      rgba(13, 19, 33, 0.88) 0%,
      rgba(8, 12, 20, 0.75) 100%
    );
    backdrop-filter: var(--glass-blur-1);
  }

  /* ── Fade-up entrance ── */
  .fade-up {
    animation: fadeUp 400ms var(--transition-slow);
  }
}

@layer utilities {
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  @keyframes pulse-pending {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
  }

  @keyframes landingRise {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes landingFloat {
    0%,
    100% {
      translate: 0 0;
    }
    50% {
      translate: 0 -10px;
    }
  }

  @keyframes landingScan {
    0% {
      transform: translateY(-120%);
      opacity: 0;
    }
    18%,
    72% {
      opacity: 0.48;
    }
    100% {
      transform: translateY(120%);
      opacity: 0;
    }
  }

  @keyframes landingPulseDot {
    0%,
    100% {
      box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.22);
      transform: scale(1);
    }
    50% {
      box-shadow: 0 0 0 7px rgba(37, 99, 235, 0);
      transform: scale(1.08);
    }
  }

  .landing-rise {
    opacity: 0;
    animation: landingRise 720ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .landing-delay-1 {
    animation-delay: 100ms;
  }

  .landing-delay-2 {
    animation-delay: 190ms;
  }

  .landing-delay-3 {
    animation-delay: 280ms;
  }

  .landing-float {
    animation: landingFloat 7s ease-in-out infinite;
  }

  .landing-float-slow {
    animation: landingFloat 9s ease-in-out infinite;
  }

  .landing-hover-lift {
    transition:
      transform 220ms ease,
      border-color 220ms ease,
      box-shadow 220ms ease;
  }

  .landing-hover-lift:hover {
    transform: translateY(-4px);
    border-color: rgba(148, 163, 184, 0.78);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.1);
  }

  .landing-screen-glow {
    position: relative;
  }

  .landing-screen-glow::after {
    content: "";
    pointer-events: none;
    position: absolute;
    inset: 44px 8px 8px;
    border-radius: 6px;
    background: linear-gradient(
      180deg,
      transparent 0%,
      rgba(37, 99, 235, 0.12) 48%,
      transparent 100%
    );
    mix-blend-mode: multiply;
    opacity: 0;
    animation: landingScan 5.6s ease-in-out infinite;
  }

  .landing-pulse-dot {
    animation: landingPulseDot 2.6s ease-in-out infinite;
  }

  @media (prefers-reduced-motion: reduce) {
    .landing-rise,
    .landing-float,
    .landing-float-slow,
    .landing-screen-glow::after,
    .landing-pulse-dot {
      opacity: 1;
      animation: none;
    }

    .landing-hover-lift,
    .landing-hover-lift:hover {
      transform: none;
    }
  }
}

/* ── Reduced motion: disable all animations and transitions ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Extreme temperature emphasis ── */
.temp-extreme-hot {
  color: #f97316;
  text-shadow: 0 0 12px rgba(249, 115, 22, 0.35);
}

.temp-extreme-cold {
  color: #38bdf8;
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.35);
}

/* ══════════════════════════════════════════════════════════════
   Map Marker Components (nearby stations, city bubbles)
   ══════════════════════════════════════════════════════════════ */

@layer components {
  .nearby-marker {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(13, 19, 33, 0.9);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-3);
    font-size: 11px;
    font-weight: 600;
    box-shadow: var(--shadow-elevation-2);
    backdrop-filter: var(--glass-blur-1);
    white-space: nowrap;
  }

  .nearby-name {
    color: var(--color-text-secondary);
  }

  .nearby-temp {
    color: #fff;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
  }

  .nearby-unit {
    color: var(--color-text-muted);
    font-size: 9px;
  }

  .wind-info {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-left: var(--space-1);
    padding-left: var(--space-2);
    border-left: 1px solid var(--color-border-subtle);
    color: var(--color-accent-primary);
    font-size: 10px;
    opacity: 0.9;
  }

  .wind-arrow {
    display: inline-block;
    transform-origin: center;
  }

  /* ── City Marker (bubble on map) ── */
  .city-marker {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
  }

  .marker-bubble {
    position: relative;
    min-width: 46px;
    padding: 5px 10px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    text-align: center;
    color: white;
    border: 1px solid transparent;
    box-shadow: var(--shadow-elevation-2);
  }

  .marker-bubble::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid transparent;
  }

  .marker-bubble.risk-high {
    background: linear-gradient(135deg, #dc2626, var(--color-signal-danger));
    border-color: rgba(239, 68, 68, 0.5);
  }

  .marker-bubble.risk-high::after {
    border-top-color: var(--color-signal-danger);
  }

  .marker-bubble.risk-medium {
    background: linear-gradient(135deg, #d97706, var(--color-signal-warning));
    border-color: rgba(245, 158, 11, 0.5);
  }

  .marker-bubble.risk-medium::after {
    border-top-color: var(--color-signal-warning);
  }

  .marker-bubble.risk-low {
    background: linear-gradient(135deg, #059669, #22C55E);
    border-color: rgba(16, 185, 129, 0.5);
  }

  .marker-bubble.risk-low::after {
    border-top-color: #22C55E;
  }

  .marker-name {
    margin-top: var(--space-2);
    font-size: 10px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.88);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
  }

  .city-marker.selected .marker-bubble {
    animation: markerGlow 2s ease-in-out infinite;
  }

  .peak-glow-card {
    position: relative;
    isolation: isolate;
  }

  .peak-glow-card::after {
    content: "";
    pointer-events: none;
    position: absolute;
    inset: 0;
    z-index: 20;
    border-radius: inherit;
  }

  .peak-glow-watch::after {
    box-shadow:
      inset 0 0 0 1px rgba(245, 158, 11, 0.42),
      inset 0 0 18px rgba(245, 158, 11, 0.12);
  }

  .peak-glow-near::after {
    animation: peakGlowNear 3.2s ease-in-out infinite;
  }

  .peak-glow-breakout::after {
    animation: peakGlowBreakout 2.4s ease-in-out infinite;
  }

  .peak-glow-cooling::after {
    box-shadow:
      inset 0 0 0 1px rgba(100, 116, 139, 0.38),
      inset 0 0 18px rgba(148, 163, 184, 0.16);
  }

  @media (prefers-reduced-motion: reduce) {
    .peak-glow-near::after,
    .peak-glow-breakout::after {
      animation: none;
    }
  }

  /* ── Scrollbar ── */
  .custom-scrollbar::-webkit-scrollbar {
    width: 6px;
  }
  .custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(123, 97, 255, 0.2);
    border-radius: var(--radius-full);
  }
  .custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(123, 97, 255, 0.35);
  }
}

@keyframes markerGlow {
  0%,
  100% {
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
  }
  50% {
    box-shadow: 0 10px 26px rgba(0, 224, 164, 0.3);
  }
}

@keyframes peakGlowNear {
  0%,
  100% {
    box-shadow:
      inset 0 0 0 1px rgba(249, 115, 22, 0.48),
      inset 0 0 18px rgba(249, 115, 22, 0.12),
      0 0 0 rgba(249, 115, 22, 0);
  }
  50% {
    box-shadow:
      inset 0 0 0 1px rgba(249, 115, 22, 0.7),
      inset 0 0 28px rgba(249, 115, 22, 0.22),
      0 0 22px rgba(249, 115, 22, 0.18);
  }
}

@keyframes peakGlowBreakout {
  0%,
  100% {
    box-shadow:
      inset 0 0 0 1px rgba(244, 63, 94, 0.54),
      inset 0 0 22px rgba(244, 63, 94, 0.16),
      0 0 0 rgba(244, 63, 94, 0);
  }
  50% {
    box-shadow:
      inset 0 0 0 1px rgba(244, 63, 94, 0.78),
      inset 0 0 32px rgba(244, 63, 94, 0.26),
      0 0 24px rgba(244, 63, 94, 0.2);
  }
}