/* ── PretendardGOV @font-face ── */
@font-face {
  font-family: 'PretendardGOV';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('/fonts/PretendardGOV-Regular.otf') format('opentype');
}
@font-face {
  font-family: 'PretendardGOV';
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  src: url('/fonts/PretendardGOV-Medium.otf') format('opentype');
}
@font-face {
  font-family: 'PretendardGOV';
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  src: url('/fonts/PretendardGOV-SemiBold.otf') format('opentype');
}
@font-face {
  font-family: 'PretendardGOV';
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url('/fonts/PretendardGOV-Bold.otf') format('opentype');
}

@layer base {
  :root {
    /* bg — Background */
    --bg-base: #121418;
    --bg-surface: #1B1E23;
    --bg-elevated: #24272D;
    --bg-card: #24272D;
    --bg-surface-hover: #3A3F49;
    /* stroke — Border */
    --stroke-default: #24272D;
    --stroke-light: #1B1E23;
    /* fg — Foreground */
    --fg-default: #F8F9FC;
    --fg-sub: #B9C1C9;
    --fg-disabled: #808892;
    /* color — Palette */
    --color-info: #0099DD;
    --color-accent: #0099DD;
    --color-accent-muted: #007AB1;
    --color-danger: #D61111;
    --color-warning: #f97316;
    --color-caution: #FEDA4A;
    --color-success: #22c55e;
    --color-tertiary: #a855f7;
    --color-boom: #f59e0b;
    --color-boom-hover: #fbbf24;
    --color-navy: #1e40af;
    --color-navy-hover: #1d4ed8;
    /* font */
    --font-korean:
      'PretendardGOV', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo',
      'Pretendard Variable', Pretendard, Roboto, 'Noto Sans KR', 'Segoe UI', 'Malgun Gothic',
      'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    --font-mono:
      'PretendardGOV', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo',
      'Pretendard Variable', Pretendard, Roboto, 'Noto Sans KR', 'Segoe UI', 'Malgun Gothic',
      'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    /* radius */
    --radius-sm: 6px;
    --radius-md: 8px;

    /* typography — font-size */
    --font-size-display-1: 3.75rem;
    --font-size-display-2: 2.5rem;
    --font-size-display-3: 2.25rem;
    --font-size-heading-1: 2rem;
    --font-size-heading-2: 1.5rem;
    --font-size-heading-3: 1.375rem;
    --font-size-title-1: 1.125rem;
    --font-size-subtitle: 0.9375rem;
    --font-size-title-2: 1rem;
    --font-size-title-3: 1rem;
    --font-size-title-4: 0.875rem;
    --font-size-title-5: 0.8125rem;
    --font-size-title-6: 0.75rem;
    --font-size-body-1: 1rem;
    --font-size-body-2: 0.875rem;
    --font-size-label-1: 0.8125rem;
    --font-size-label-2: 0.75rem;
    --font-size-caption: 0.75rem;
    /* typography — font-weight */
    --font-weight-thin: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    /* typography — line-height */
    --line-height-tight: 1.3;
    --line-height-snug: 1.4;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;
    /* typography — letter-spacing */
    --letter-spacing-display: 0.06em;
    --letter-spacing-heading: 0.02em;
    --letter-spacing-body: 0em;
    --letter-spacing-navigation: 0.02em;
    --letter-spacing-label: 0.04em;

    /* === Design Token System === */

    /* Static */
    --static-black: #131415;
    --static-white: #ffffff;

    /* Gray (Definition cool-tone, 15 steps) */
    --gray-0: #FFFFFF;
    --gray-50: #F8F9FC;
    --gray-100: #F3F6FB;
    --gray-200: #EBEFF5;
    --gray-250: #E1E6EC;
    --gray-300: #D6DBE1;
    --gray-400: #B9C1C9;
    --gray-500: #808892;
    --gray-550: #6C747E;
    --gray-600: #565B64;
    --gray-700: #3A3F49;
    --gray-800: #24272D;
    --gray-850: #1B1E23;
    --gray-900: #121418;
    --gray-1000: #000000;

    /* Blue (Primary Blue-Cyan, hue ~200°) */
    --blue-100: #E6F4FB;
    --blue-200: #B3E0F5;
    --blue-300: #80CCEE;
    --blue-400: #4DB8E8;
    --blue-500: #0099DD;
    --blue-600: #007AB1;
    --blue-700: #005C85;
    --blue-800: #003D59;
    --blue-900: #001F2D;
    --blue-1000: #001520;

    /* Green */
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    --green-1000: #052e16;

    /* Yellow */
    --yellow-100: #fef9c3;
    --yellow-200: #fef08a;
    --yellow-300: #fde047;
    --yellow-400: #facc15;
    --yellow-500: #FEDA4A;
    --yellow-600: #ca8a04;
    --yellow-700: #a16207;
    --yellow-800: #854d0e;
    --yellow-900: #713f12;
    --yellow-1000: #422006;

    /* Red */
    --red-100: #7A2D2D;
    --red-200: #fecaca;
    --red-300: #fca5a5;
    --red-400: #f87171;
    --red-500: #DE4141;
    --red-600: #D61111;
    --red-700: #b91c1c;
    --red-800: #991b1b;
    --red-900: #7f1d1d;
    --red-1000: #450a0a;

    /* Purple */
    --purple-100: #f3e8ff;
    --purple-200: #e9d5ff;
    --purple-300: #d8b4fe;
    --purple-400: #c084fc;
    --purple-500: #a855f7;
    --purple-600: #9333ea;
    --purple-700: #7e22ce;
    --purple-800: #6b21a8;
    --purple-900: #581c87;
    --purple-1000: #3b0764;
    /* hover overlay */
    --hover-overlay: rgba(255, 255, 255, 0.06);
    --dropdown-bg: rgba(18, 25, 41, 0.97);
  }

  /* ── Light theme overrides ── */
  [data-theme='light'] {
    --bg-base: #FFFFFF;
    --bg-surface: #FFFFFF;
    --bg-elevated: #F3F6FB;
    --bg-card: #FFFFFF;
    --bg-surface-hover: #EBEFF5;
    --stroke-default: #B9C1C9;
    --stroke-light: #E1E6EC;
    --fg-default: #121418;
    --fg-sub: #24272D;
    --fg-disabled: #808892;
    --hover-overlay: rgba(0, 0, 0, 0.04);
    --dropdown-bg: rgba(255, 255, 255, 0.97);
    --color-accent-muted: #007AB1;
    --color-navy: #1d4ed8;
    --color-navy-hover: #2563eb;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    font-family:
      'PretendardGOV',
      -apple-system,
      BlinkMacSystemFont,
      'Apple SD Gothic Neo',
      'Pretendard Variable',
      Pretendard,
      Roboto,
      'Noto Sans KR',
      'Segoe UI',
      'Malgun Gothic',
      'Apple Color Emoji',
      'Segoe UI Emoji',
      'Segoe UI Symbol',
      sans-serif;
    background: var(--bg-base);
    color: var(--fg-default);
    height: 100vh;
    overflow: hidden;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }

  /* Date input calendar icon — white for dark theme */
  input[type='date']::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
    opacity: 0.7;
  }
  input[type='date']::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
  }

  /* Light theme: calendar icon reset */
  [data-theme='light'] input[type='date']::-webkit-calendar-picker-indicator {
    filter: none;
  }

  /* Light theme: invert white logos */
  [data-theme='light'] .wing-logo {
    filter: brightness(0) saturate(100%);
  }
}
