/**
 * Main CSS for Printing Indonesia Theme
 * Enhanced with Dark Mode and Component-based Structure
 */

/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
  /* Color System - Orange Sunset Theme */
  --color-primary: #ff7f50;
  --color-primary-dark: #e67348;
  --color-primary-light: #ff9e7d;
  --color-secondary: #ffa500;
  --color-accent: #ffd700;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  --color-black: #000000;
  
  /* Semantic Colors */
  --color-text: var(--color-gray-800);
  --color-text-light: var(--color-gray-600);
  --color-background: var(--color-white);
  --color-surface: var(--color-gray-50);
  --color-border: var(--color-gray-200);
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* 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;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --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);
  
  /* Transitions */
  --transition-base: all 0.2s ease-in-out;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --color-text: var(--color-gray-100);
  --color-text-light: var(--color-gray-300);
  --color-background: var(--color-gray-900);
  --color-surface: var(--color-gray-800);
  --color-border: var(--color-gray-700);
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.3), 0 1px 2px -1px 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 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: var(--transition-base);
  overflow-x: hidden;
}

.no-js body {
  overflow-x: auto;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-light);
}

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

a:hover,
a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Forms */
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Focus Styles */
:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

/* Screen Reader Only */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal;
}

.screen-reader-text:focus {
  background-color: var(--color-gray-100);
  border-radius: var(--radius-base);
  clip: auto;
  clip-path: none;
  color: var(--color-gray-900);
  display: block;
  font-size: var(--text-sm);
  font-weight: bold;
  height: auto;
  left: var(--space-4);
  line-height: normal;
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  top: var(--space-4);
  width: auto;
  z-index: var(--z-tooltip);
}

/* Skip Link */
.skip-link {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  left: 50%;
  padding: var(--space-3) var(--space-4);
  position: absolute;
  transform: translateY(-100%);
  transition: transform 0.3s;
  z-index: var(--z-tooltip);
}

.skip-link:focus {
  transform: translateY(0%);
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--color-gray-300);
  border-top: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-in-left {
  animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==========================================================================
   Dark Mode Toggle Component
   ========================================================================== */
.dark-mode-toggle {
  background: none;
  border: none;
  padding: var(--space-2);
  border-radius: var(--radius-full);
  color: var(--color-text);
  transition: var(--transition-base);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.dark-mode-toggle:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

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

.dark-mode-toggle .dark-mode-icon,
.dark-mode-toggle .light-mode-icon {
  transition: var(--transition-base);
  position: absolute;
}

[data-theme="dark"] .dark-mode-toggle .dark-mode-icon {
  opacity: 0;
  transform: rotate(-90deg);
}

[data-theme="dark"] .dark-mode-toggle .light-mode-icon {
  opacity: 1;
  transform: rotate(0);
}

.dark-mode-toggle .dark-mode-icon {
  opacity: 1;
  transform: rotate(0);
}

.dark-mode-toggle .light-mode-icon {
  opacity: 0;
  transform: rotate(90deg);
}

/* Mobile Dark Mode Toggle */
.mobile-dark-toggle {
  width: 36px;
  height: 36px;
}