/* ===================================
   UNIFIED DESIGN SYSTEM FOR IWRNSET
   =================================== */

/* CSS Custom Properties (Design Tokens) */
@font-face {
  font-family: 'Conthrax';
  src: url('../fonts/Conthrax.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}

:root {
  /* Spacing System - 4px base unit */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Typography Scale */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 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: 3rem;      /* 48px */

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Conthrax', var(--font-sans);

  /* Border Radius */
  --radius-sm: 0.25rem;  /* 4px */
  --radius-md: 0.375rem; /* 6px */
  --radius-lg: 0.5rem;   /* 8px */
  --radius-xl: 0.75rem;  /* 12px */
  --radius-2xl: 1rem;    /* 16px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

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

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Light Theme Colors */
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #1d4ed8;
  
  --color-secondary: #6366f1;
  --color-secondary-hover: #4f46e5;
  --color-secondary-light: #818cf8;
  --color-secondary-dark: #4338ca;

  --color-accent: #06b6d4;
  --color-accent-hover: #0891b2;
  --color-accent-light: #22d3ee;
  --color-accent-dark: #0e7490;

  --color-success: #10b981;
  --color-success-hover: #059669;
  --color-success-light: #34d399;
  --color-success-dark: #047857;

  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-warning-light: #fbbf24;
  --color-warning-dark: #b45309;

  --color-error: #ef4444;
  --color-error-hover: #dc2626;
  --color-error-light: #f87171;
  --color-error-dark: #b91c1c;

  --color-info: #3b82f6;
  --color-info-hover: #2563eb;
  --color-info-light: #60a5fa;
  --color-info-dark: #1d4ed8;

  /* Neutral Colors */
  --color-white: #ffffff;
  --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 Colors */
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-gray-50);
  --bg-tertiary: var(--color-gray-100);
  --bg-inverse: var(--color-gray-900);

  /* Text Colors */
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-tertiary: var(--color-gray-500);
  --text-inverse: var(--color-white);
  --text-muted: var(--color-gray-400);

  /* Border Colors */
  --border-primary: var(--color-gray-200);
  --border-secondary: var(--color-gray-300);
  --border-focus: var(--color-primary);
  --border-error: var(--color-error);

  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-backdrop: blur(10px);
}

/* Dark Theme */
[data-theme="dark"] {
  --color-primary: #60a5fa;
  --color-primary-hover: #3b82f6;
  --color-primary-light: #93c5fd;
  --color-primary-dark: #2563eb;

  --color-secondary: #818cf8;
  --color-secondary-hover: #6366f1;
  --color-secondary-light: #a5b4fc;
  --color-secondary-dark: #4f46e5;

  --color-accent: #22d3ee;
  --color-accent-hover: #06b6d4;
  --color-accent-light: #67e8f9;
  --color-accent-dark: #0891b2;

  --bg-primary: var(--color-gray-900);
  --bg-secondary: var(--color-gray-800);
  --bg-tertiary: var(--color-gray-700);
  --bg-inverse: var(--color-white);

  --text-primary: var(--color-gray-100);
  --text-secondary: var(--color-gray-300);
  --text-tertiary: var(--color-gray-400);
  --text-inverse: var(--color-gray-900);

  --border-primary: var(--color-gray-700);
  --border-secondary: var(--color-gray-600);

  --glass-bg: rgba(31, 41, 55, 0.8);
  --glass-border: rgba(75, 85, 99, 0.3);

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.4);
}

/* ===================================
   BASE STYLES
   =================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: color var(--transition-normal), background-color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6, .logo-text {
  font-family: var(--font-display);
}

/* ===================================
   LAYOUT UTILITIES
   =================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container { padding: 0 var(--space-6); }
}

@media (min-width: 1024px) {
  .container { padding: 0 var(--space-8); }
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Grid Utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ===================================
   COMPONENT BASE STYLES
   =================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-error {
  background-color: var(--color-error);
  color: var(--color-white);
  border-color: var(--color-error);
}

.btn-error:hover:not(:disabled) {
  background-color: var(--color-error-hover);
  border-color: var(--color-error-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-circle {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-sm.btn-circle {
  width: 2rem;
  height: 2rem;
}

.btn-lg.btn-circle {
  width: 3rem;
  height: 3rem;
}

/* Form Controls */
.form-control {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.label-text {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.input:disabled,
.select:disabled,
.textarea:disabled {
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Cards */
.card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-primary);
  background-color: var(--bg-secondary);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border-primary);
  background-color: var(--bg-secondary);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: rgb(59 130 246 / 0.1);
  color: var(--color-primary);
  border: 1px solid rgb(59 130 246 / 0.2);
}

.badge-success {
  background-color: rgb(16 185 129 / 0.1);
  color: var(--color-success);
  border: 1px solid rgb(16 185 129 / 0.2);
}

.badge-warning {
  background-color: rgb(245 158 11 / 0.1);
  color: var(--color-warning);
  border: 1px solid rgb(245 158 11 / 0.2);
}

.badge-error {
  background-color: rgb(239 68 68 / 0.1);
  color: var(--color-error);
  border: 1px solid rgb(239 68 68 / 0.2);
}

/* ===================================
   LAYOUT COMPONENTS
   =================================== */

/* Sidebar */
.sidebar {
  width: 18rem;
  background-color: var(--bg-primary);
  border-right: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
  z-index: var(--z-fixed);
}

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-primary);
}

.sidebar-nav {
  padding: var(--space-4);
}

.sidebar-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border-primary);
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header/Navbar */
.header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-sticky);
  position: sticky;
  top: 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
}

/* ===================================
   RESPONSIVE UTILITIES
   =================================== */

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    transform: translateX(-100%);
    z-index: var(--z-modal);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgb(0 0 0 / 0.5);
    z-index: var(--z-modal-backdrop);
  }
  
  .main-content {
    margin-left: 0;
  }
}

/* ===================================
   ANIMATIONS
   =================================== */

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fade-in {
  animation: fadeIn 0.3s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.3s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.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;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.transition-all { transition: all var(--transition-normal); }
.transition-colors { transition: color var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal); }