/* ============================================
   PROMED Admin Portal — Design Tokens
   ============================================ */

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

:root {
  /* ---- Brand Colors ---- */
  --color-primary: #124076;
  --color-primary-dark: #0d2f5a;
  --color-primary-darker: #091f3d;
  --color-primary-light: #1a5299;
  --color-primary-lighter: #2563b3;
  --color-primary-50: rgba(18, 64, 118, 0.05);
  --color-primary-100: rgba(18, 64, 118, 0.1);
  --color-primary-200: rgba(18, 64, 118, 0.2);

  --color-accent: #C7253E;
  --color-accent-dark: #a01d32;
  --color-accent-light: #e0334f;
  --color-accent-50: rgba(199, 37, 62, 0.05);
  --color-accent-100: rgba(199, 37, 62, 0.1);

  /* ---- Semantic Colors ---- */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-success-dark: #059669;

  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-warning-dark: #d97706;

  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;
  --color-danger-dark: #dc2626;

  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  --color-info-dark: #2563eb;

  /* ---- Neutrals ---- */
  --color-white: #ffffff;
  --color-grey-50: #f9fafb;
  --color-grey-100: #f3f4f6;
  --color-grey-200: #e5e7eb;
  --color-grey-300: #d1d5db;
  --color-grey-400: #9ca3af;
  --color-grey-500: #6b7280;
  --color-grey-600: #4b5563;
  --color-grey-700: #374151;
  --color-grey-800: #1f2937;
  --color-grey-900: #111827;

  /* ---- Typography ---- */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.8125rem;
  --font-size-base: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

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

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* ---- Spacing ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* ---- Border Radius ---- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* ---- Shadows ---- */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 20px rgba(18, 64, 118, 0.15);
  --shadow-glow-accent: 0 0 20px rgba(199, 37, 62, 0.15);

  /* ---- Transitions ---- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---- Layout ---- */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  --content-max-width: 1400px;

  /* ---- Z-Index ---- */
  --z-sidebar: 100;
  --z-header: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-tooltip: 600;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-grey-800);
  background-color: var(--color-grey-50);
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

img {
  max-width: 100%;
  height: auto;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-grey-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-grey-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-grey-400);
}

/* Selection */
::selection {
  background: var(--color-primary-200);
  color: var(--color-primary-dark);
}