/**
 * SAFARY Shared Styles
 * Enhanced UI/UX across all pages
 * Version: 1.0.0
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Primary Colors */
  --primary: #1a365d;
  --primary-light: #2c5282;
  --primary-dark: #1a202c;
  
  /* Secondary Colors */
  --secondary: #2d3748;
  --secondary-light: #4a5568;
  --secondary-dark: #1a202c;
  
  /* Accent Colors */
  --accent: #3182ce;
  --accent-light: #4299e1;
  --accent-dark: #2b6cb0;
  
  /* Gold/Highlight */
  --gold: #d69e2e;
  --gold-light: #ecc94b;
  --gold-dark: #b7791f;
  
  /* Neutral Colors */
  --light: #f7fafc;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Text Colors */
  --text: #2d3748;
  --text-light: #718096;
  --text-muted: #a0aec0;
  
  /* Border Colors */
  --border: #e2e8f0;
  --border-light: #edf2f7;
  --border-dark: #cbd5e0;
  
  /* Status Colors */
  --success: #38a169;
  --success-light: #48bb78;
  --success-bg: rgba(56, 161, 105, 0.1);
  --warning: #d69e2e;
  --warning-light: #ecc94b;
  --warning-bg: rgba(214, 158, 46, 0.1);
  --error: #e53e3e;
  --error-light: #fc8181;
  --error-bg: rgba(229, 62, 62, 0.1);
  --info: #3182ce;
  --info-light: #63b3ed;
  --info-bg: rgba(49, 130, 206, 0.1);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-bounce: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-toast: 800;
  
  /* Spacing Scale */
  --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;
  
  /* Font Sizes */
  --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;
}

/* ============================================
   Base Styles & Reset
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text);
  background-color: var(--light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Skip Link (Accessibility)
   ============================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  z-index: var(--z-tooltip);
  transition: top var(--transition);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* ============================================
   Focus Styles (Accessibility)
   ============================================ */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary);
  margin: 0 0 var(--space-4);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin: 0 0 var(--space-4);
}

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

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

/* ============================================
   Container
   ============================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-bounce);
  min-height: 44px;
  min-width: 44px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--white);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  border-color: var(--gold-light);
}

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

.btn-secondary:hover {
  background: var(--light);
  border-color: var(--border-dark);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--white);
  border-color: var(--accent);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
}

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

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

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 36px;
}

/* Button Loading State */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--white);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-8);
  transition: all var(--transition-bounce);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-elevated:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  color: var(--text-light);
  font-size: var(--text-base);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 600;
  color: var(--text);
  font-size: var(--text-sm);
}

.form-label-required::after {
  content: ' *';
  color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text);
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  min-height: 44px;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-dark);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--info-bg);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

/* Form Validation States */
.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
  border-color: var(--success);
}

.form-input.is-valid:focus,
.form-select.is-valid:focus,
.form-textarea.is-valid:focus {
  box-shadow: 0 0 0 3px var(--success-bg);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--error);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
  box-shadow: 0 0 0 3px var(--error-bg);
}

.form-error {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  color: var(--error);
  font-size: var(--text-sm);
}

.form-hint {
  margin-top: var(--space-2);
  color: var(--text-light);
  font-size: var(--text-sm);
}

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--info-bg);
  color: var(--accent);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--gold-dark);
}

.badge-error {
  background: var(--error-bg);
  color: var(--error);
}

.badge-free {
  background: var(--success-bg);
  color: var(--success);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
}

.alert-icon {
  flex-shrink: 0;
  font-size: var(--text-xl);
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.alert-info {
  background: var(--info-bg);
  border-left: 4px solid var(--info);
  color: var(--accent-dark);
}

.alert-success {
  background: var(--success-bg);
  border-left: 4px solid var(--success);
  color: var(--success);
}

.alert-warning {
  background: var(--warning-bg);
  border-left: 4px solid var(--warning);
  color: var(--gold-dark);
}

.alert-error {
  background: var(--error-bg);
  border-left: 4px solid var(--error);
  color: var(--error);
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--text-light);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-item::after {
  content: '/';
  color: var(--text-muted);
}

.breadcrumb-item:last-child::after {
  display: none;
}

.breadcrumb-item a {
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb-item a:hover {
  color: var(--accent);
}

.breadcrumb-item.active {
  color: var(--text);
  font-weight: 500;
}

/* ============================================
   Loading States
   ============================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 25%,
    var(--gray-100) 50%,
    var(--gray-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton-title {
  height: 1.5em;
  width: 60%;
  margin-bottom: var(--space-4);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

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

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-fade-in { animation: fadeIn var(--transition-slow) ease-out; }
.animate-fade-in-up { animation: fadeInUp var(--transition-slow) ease-out; }
.animate-fade-in-down { animation: fadeInDown var(--transition-slow) ease-out; }
.animate-slide-in-left { animation: slideInLeft var(--transition-slow) ease-out; }
.animate-slide-in-right { animation: slideInRight var(--transition-slow) ease-out; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-bounce { animation: bounce 1s ease-in-out infinite; }

/* Staggered animations for lists */
.stagger-animation > * {
  opacity: 0;
  animation: fadeInUp var(--transition-slow) ease-out forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0ms; }
.stagger-animation > *:nth-child(2) { animation-delay: 50ms; }
.stagger-animation > *:nth-child(3) { animation-delay: 100ms; }
.stagger-animation > *:nth-child(4) { animation-delay: 150ms; }
.stagger-animation > *:nth-child(5) { animation-delay: 200ms; }
.stagger-animation > *:nth-child(6) { animation-delay: 250ms; }
.stagger-animation > *:nth-child(7) { animation-delay: 300ms; }
.stagger-animation > *:nth-child(8) { animation-delay: 350ms; }
.stagger-animation > *:nth-child(9) { animation-delay: 400ms; }
.stagger-animation > *:nth-child(10) { animation-delay: 450ms; }

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-muted { color: var(--text-light); }

.bg-primary { background-color: var(--primary); }
.bg-light { background-color: var(--light); }
.bg-white { background-color: var(--white); }

.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;
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 768px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
  h4 { font-size: var(--text-xl); }
  
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
  .show-desktop { display: block !important; }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .no-print { display: none !important; }
  
  body {
    background: white;
    color: black;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}