/* 안동 마패 - 한국 관광 플랫폼 테마 */
:root {
  /* Primary Colors - 한국 전통 + 모던 */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-primary-dark: #1e40af;
  
  --color-secondary: #059669;
  --color-secondary-hover: #047857;
  --color-secondary-light: #d1fae5;
  --color-secondary-dark: #065f46;
  
  --color-accent: #dc2626;
  --color-accent-hover: #b91c1c;
  --color-accent-light: #fecaca;
  --color-accent-dark: #991b1b;

  /* Background Colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-quaternary: #e2e8f0;
  --color-bg-overlay: rgba(0, 0, 0, 0.5);
  --color-bg-translucent: rgba(255, 255, 255, 0.8);
  --color-bg-blur: rgba(255, 255, 255, 0.95);

  /* Text Colors */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748b;
  --color-text-quaternary: #94a3b8;
  --color-text-inverse: #ffffff;
  --color-text-muted: #6b7280;
  --color-text-disabled: #d1d5db;

  /* Border Colors */
  --color-border-primary: #e2e8f0;
  --color-border-secondary: #cbd5e1;
  --color-border-tertiary: #94a3b8;
  --color-border-focus: #2563eb;
  --color-border-error: #dc2626;
  --color-border-success: #059669;
  --color-border-warning: #d97706;

  /* Status Colors */
  --color-success: #059669;
  --color-success-light: #d1fae5;
  --color-success-dark: #065f46;
  
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-warning-dark: #92400e;
  
  --color-error: #dc2626;
  --color-error-light: #fecaca;
  --color-error-dark: #991b1b;
  
  --color-info: #0284c7;
  --color-info-light: #bae6fd;
  --color-info-dark: #0c4a6e;

  /* Typography */
  --font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  --font-family-secondary: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-family-monospace: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extra-bold: 800;

  /* Font Sizes - 한국어 최적화 */
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  --font-size-5xl: 3rem;       /* 48px */

  /* Line Heights - 한글 가독성 최적화 */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* 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 */

  /* Border Radius */
  --border-radius-none: 0;
  --border-radius-sm: 0.125rem;
  --border-radius-base: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-2xl: 1rem;
  --border-radius-3xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-none: 0 0 #0000;

  /* Mobile Specific */
  --mobile-header-height: 56px;
  --mobile-bottom-nav-height: 88px;
  --mobile-fab-size: 56px;
  --mobile-min-touch-target: 44px;
  --mobile-safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --mobile-safe-area-top: env(safe-area-inset-top, 0px);
  --mobile-safe-area-left: env(safe-area-inset-left, 0px);
  --mobile-safe-area-right: env(safe-area-inset-right, 0px);

  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 1rem;
  --container-padding-mobile: 0.5rem;
  
  /* Grid */
  --grid-columns: 12;
  --grid-gap: 1.5rem;
  --grid-gap-mobile: 1rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-colors: color 150ms ease, background-color 150ms ease, border-color 150ms ease;

  /* Z-Index */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-floating: 1035;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  --z-index-toast: 1080;

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;

  /* Focus */
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;
  --focus-ring-color: var(--color-primary);
  --focus-ring-opacity: 0.5;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

::before,
::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Responsive Container */
@media (max-width: 768px) {
  .container {
    padding-left: var(--container-padding-mobile);
    padding-right: var(--container-padding-mobile);
  }
}

/* Focus Ring */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-tertiary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-secondary);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-tertiary);
}

/* Selection */
::selection {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Mobile Only */
.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .mobile-only {
    display: block;
  }
  
  .desktop-only {
    display: none;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --color-border-primary: #000000;
    --color-text-secondary: #000000;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}