/* ==========================================================================
   Homestay Korea — Design Tokens v2
   세련되고 깔끔하고 신뢰를 주는 디자인 시스템
   ========================================================================== */

:root {
  /* ========== 색상 (Colors) ========== */

  /* Primary — Amber Gold — 브랜드 메인 컬러 (주황) */
  --color-primary: #E8960A;
  --color-primary-hover: #D4870A;
  --color-primary-active: #BF7A09;
  --color-primary-dark: #A06D07;
  --color-primary-light: #FEF7EC;
  --color-primary-shadow: rgba(232, 150, 10, 0.10);
  --color-primary-glow: rgba(232, 150, 10, 0.18);

  /* Accent — Amber Gold (Primary와 통합, 로그인 버튼 색) */
  --color-accent: #E8960A;
  --color-accent-light: #FEF7EC;
  --color-accent-hover: #D4870A;

  /* Danger — Red */
  --color-danger: #EF4444;
  --color-danger-hover: #DC2626;
  --color-danger-light: #FDE3E3;

  /* Success — Green */
  --color-success: #22C55E;
  --color-success-light: #DCFCE7;

  /* Info — Blue */
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;
  --color-info-bg: #EFF6FF;

  /* Warning — Amber */
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-warning-dark: #92400E;

  /* Status Badge Colors */
  --color-status-pending-bg: #FEF3C7;
  --color-status-pending-text: #92400E;
  --color-status-confirmed-bg: #DBEAFE;
  --color-status-confirmed-text: #1E40AF;
  --color-status-completed-bg: #D1FAE5;
  --color-status-completed-text: #065F46;
  --color-status-cancelled-bg: #FEE2E2;
  --color-status-cancelled-text: #991B1B;
  --color-status-accepted-bg: #D1FAE5;
  --color-status-accepted-text: #065F46;
  --color-status-rejected-bg: #FCE4EC;
  --color-status-rejected-text: #C62828;
  --color-status-expired-bg: #F3F4F6;
  --color-status-expired-text: #6B7280;

  /* Grade Badge Colors */
  --color-grade-aplus-bg: #FBBF24;
  --color-grade-aplus-text: #78350F;
  --color-grade-a-bg: #D1D5DB;
  --color-grade-a-text: #374151;
  --color-grade-bplus-bg: #F59E0B;
  --color-grade-bplus-text: #78350F;
  --color-grade-b-bg: #6EE7B7;
  --color-grade-b-text: #065F46;
  --color-grade-t-bg: #93C5FD;
  --color-grade-t-text: #1E3A5F;
  --color-grade-w-bg: #E5E7EB;
  --color-grade-w-text: #6B7280;
  --color-grade-x-bg: #FECACA;
  --color-grade-x-text: #991B1B;

  /* Amenity Tag */
  --color-amenity-bg: #E0F2FE;
  --color-amenity-text: #0369A1;

  /* Text — Bluish Neutral */
  --color-text-primary: #1A1D23;
  --color-text-secondary: #3D4250;
  --color-text-light: #5C6170;
  --color-text-muted: #8E93A3;
  --color-text-placeholder: #B0B5C3;
  --color-text-white: #FFFFFF;
  --color-text-inverse: #FFFFFF;

  /* Gray Scale */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Background — Warm Neutral */
  --color-bg-white: #FFFFFF;
  --color-bg-light: #F8F8F6;
  --color-bg-alt: #FAFAF8;
  --color-bg-subtle: #FBFBF9;
  --color-bg-input: #F5F5F3;
  --color-bg-warm: #FEF7EC;
  --color-bg-ivory: #FAF7F2;
  --color-bg-navy: #1E3A5F;
  --color-bg-dark: #1A1D23;
  --color-bg-overlay: rgba(0, 0, 0, 0.5);
  --color-bg-overlay-light: rgba(0, 0, 0, 0.3);

  /* Border — Soft */
  --color-border: #E5E7EB;
  --color-border-light: #F0F1F3;
  --color-border-dark: #C5C8CE;
  --color-border-warm: #E5DFD8;
  --color-border-focus: #1E3A5F;

  /* ========== 타이포그래피 (Typography) ========== */

  /* 폰트 패밀리 */
  --font-heading: 'Fraunces', Georgia, serif;
  --font-body: 'Noto Sans KR', 'Noto Sans JP', 'Noto Sans SC', Inter, -apple-system, sans-serif;
  --font-korean: 'Noto Sans KR', sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
  --font-data: 'Geist Mono', 'SF Mono', monospace;

  /* 폰트 크기 — rem 기반 (html 16px 기준) */
  --text-xs: 0.8125rem;    /* 13px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-md: 1rem;         /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 2.75rem;     /* 44px */
  --text-6xl: 3.25rem;     /* 52px */

  /* 줄 높이 */
  --leading-none: 1;
  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;
  --leading-loose: 1.8;

  /* 폰트 굵기 */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* 자간 */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;

  /* ========== 간격 (Spacing) ========== */
  --spacing-0: 0;
  --spacing-1: 0.25rem;    /* 4px */
  --spacing-2: 0.5rem;     /* 8px */
  --spacing-3: 0.75rem;    /* 12px */
  --spacing-4: 1rem;       /* 16px */
  --spacing-5: 1.25rem;    /* 20px */
  --spacing-6: 1.5rem;     /* 24px */
  --spacing-8: 2rem;       /* 32px */
  --spacing-10: 2.5rem;    /* 40px */
  --spacing-12: 3rem;      /* 48px */
  --spacing-16: 4rem;      /* 64px */
  --spacing-20: 5rem;      /* 80px */
  --spacing-24: 6rem;      /* 96px */

  /* ========== 레이아웃 (Layout) ========== */
  --container-sm: 640px;
  --container-md: 800px;
  --container-lg: 1000px;
  --container-xl: 1200px;
  --container-padding: var(--spacing-4);
  --block-gap: var(--spacing-6);  /* 24px */

  /* 헤더 높이 */
  --header-height: 72px;
  --header-height-shrink: 60px;

  /* ========== 보더 (Border) ========== */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-pill: 9999px;
  --radius-circle: 50%;

  --border-width: 1px;
  --border-style: solid;

  /* ========== 그림자 (Shadows) — Blue-tinted ========== */
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-md: 0 4px 8px -2px rgba(16, 24, 40, 0.06), 0 2px 4px -2px rgba(16, 24, 40, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(16, 24, 40, 0.08), 0 4px 8px -2px rgba(16, 24, 40, 0.03);
  --shadow-xl: 0 20px 40px -8px rgba(16, 24, 40, 0.10), 0 8px 16px -4px rgba(16, 24, 40, 0.04);
  --shadow-card: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-card-hover: 0 12px 28px -4px rgba(16, 24, 40, 0.10), 0 4px 8px -2px rgba(16, 24, 40, 0.04);
  --shadow-dropdown: 0 8px 24px rgba(16, 24, 40, 0.12), 0 0 1px rgba(16, 24, 40, 0.06);
  --shadow-sticky: 0 1px 0 rgba(16, 24, 40, 0.06);

  /* ========== 트랜지션 (Transitions) ========== */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ========== z-index 계층 ========== */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 900;
  --z-modal: 1000;
  --z-popover: 1100;
  --z-toast: 1200;
  --z-tooltip: 1300;

  /* ========== 포탈 색상 (Portal Colors) ========== */
  --portal-host: #EA580C;
  --portal-host-text: #C2410C;
  --portal-host-light: #FFF7ED;
  --portal-buddy: #16A34A;
  --portal-buddy-text: #15803D;
  --portal-buddy-light: #F0FDF4;
  --portal-agency: #2563EB;
  --portal-agency-text: #1D4ED8;
  --portal-agency-light: #EFF6FF;

  /* ========== 그라디언트 (Gradients) ========== */
  --gradient-brand: linear-gradient(135deg, #ffc56e, #ff8a3d, #e7522a);
  --gradient-brand-hover: linear-gradient(135deg, #f0b85e, #f07a2d, #d4461e);
  --gradient-brand-shadow: rgba(231, 82, 42, 0.25);

  /* ========== 반응형 참조 (CSS에서 미디어쿼리에 변수 사용 불가 — 참조용) ==========
     --bp-sm: 480px;
     --bp-md: 768px;
     --bp-lg: 1024px;
     --bp-xl: 1200px;
     --bp-2xl: 1440px;
  ========== */
}