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/* AI UNIFIED STYLES - Star News TV                                  */
/* Consistent design system for all AI-powered pages                 */
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/* ================================================================== */
/* 1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)                          */
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:root {
  /* AI Theme Colors */
  --ai-primary: #00d4ff;
  --ai-secondary: #0099cc;
  --ai-accent: #33aaff;
  --ai-gradient: linear-gradient(135deg, #00d4ff 0%, #0099cc 50%, #0066aa 100%);
  --ai-gradient-alt: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* Background Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --bg-surface: #1a1a1a;
  --bg-elevated: #262626;
  --bg-glass: rgba(26, 26, 26, 0.8);
  --bg-glass-light: rgba(26, 26, 26, 0.6);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #e5e7eb;
  --text-muted: #9ca3af;
  --text-accent: #00d4ff;
  
  /* Border Colors */
  --border-primary: rgba(0, 212, 255, 0.2);
  --border-secondary: rgba(255, 255, 255, 0.1);
  --border-glass: rgba(0, 212, 255, 0.3);
  
  /* Shadow System */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
  --shadow-ai: 0 0 30px rgba(0, 212, 255, 0.3);
  
  /* 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;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Typography */
  --font-size-sm: 0.875rem;
  --font-size-base: 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;
  
  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 250ms ease-out;
  --transition-slow: 350ms ease-out;
}

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/* 2. BASE STYLES                                                     */
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* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* ================================================================== */
/* 3. AI HEADER STYLES                                                */
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.ai-header {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-primary);
  padding: var(--space-6);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.ai-header h1 {
  text-align: center;
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-2);
  background: var(--ai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.ai-header .subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.ai-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.ai-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
  font-weight: 500;
}

.ai-nav a:hover,
.ai-nav a.active {
  background: var(--ai-gradient);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-ai);
}

/* ================================================================== */
/* 4. AI CONTAINER STYLES                                             */
/* ================================================================== */
.ai-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6);
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.ai-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ai-gradient);
  opacity: 0;
  transition: var(--transition-normal);
}

.ai-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--ai-accent);
}

.ai-card:hover::before {
  opacity: 1;
}

.ai-card h3 {
  color: var(--ai-primary);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-xl);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ai-card h3 i {
  font-size: var(--font-size-lg);
}

/* ================================================================== */
/* 5. AI FORM STYLES                                                  */
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.ai-form {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--ai-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.form-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ================================================================== */
/* 6. AI BUTTON STYLES                                                */
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.ai-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--ai-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.ai-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-slow);
}

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

.ai-btn:hover::before {
  left: 100%;
}

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

.ai-btn-secondary {
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
}

.ai-btn-secondary:hover {
  background: var(--ai-gradient);
  color: white;
}

.ai-btn-danger {
  background: linear-gradient(135deg, #ff6b6b, #ee5a52);
}

.ai-btn-danger:hover {
  box-shadow: 0 0 30px rgba(255, 107, 107, 0.3);
}

.ai-btn-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ================================================================== */
/* 7. AI STATUS INDICATORS                                            */
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.ai-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.ai-status-success {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.ai-status-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.ai-status-error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.ai-status-info {
  background: rgba(0, 212, 255, 0.1);
  color: var(--ai-primary);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* ================================================================== */
/* 8. AI CHAT INTERFACE                                               */
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.ai-chat-container {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  height: 500px;
  display: flex;
  flex-direction: column;
}

.ai-chat-messages {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ai-message {
  max-width: 80%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  word-wrap: break-word;
}

.ai-message-user {
  align-self: flex-end;
  background: var(--ai-gradient);
  color: white;
  margin-left: auto;
}

.ai-message-ai {
  align-self: flex-start;
  background: var(--bg-surface);
  border: 1px solid var(--border-secondary);
  color: var(--text-primary);
}

.ai-chat-input {
  padding: var(--space-4);
  border-top: 1px solid var(--border-secondary);
  background: var(--bg-surface);
}

.ai-chat-form {
  display: flex;
  gap: var(--space-3);
}

.ai-chat-input input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.ai-chat-input input:focus {
  outline: none;
  border-color: var(--ai-primary);
}

/* ================================================================== */
/* 9. AI DASHBOARD STATS                                              */
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.ai-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.ai-stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  transition: var(--transition-normal);
}

.ai-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.ai-stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--ai-primary);
  margin-bottom: var(--space-2);
}

.ai-stat-label {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ================================================================== */
/* 10. AI LOADING STATES                                              */
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.ai-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-8);
  color: var(--text-muted);
}

.ai-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-secondary);
  border-top: 2px solid var(--ai-primary);
  border-radius: 50%;
  animation: ai-spin 1s linear infinite;
}

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

.ai-pulse {
  animation: ai-pulse 2s infinite;
}

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

/* ================================================================== */
/* 11. AI RESPONSIVE DESIGN                                           */
/* ================================================================== */
@media (max-width: 768px) {
  .ai-container {
    padding: var(--space-4);
  }
  
  .ai-header {
    padding: var(--space-4);
  }
  
  .ai-header h1 {
    font-size: var(--font-size-3xl);
  }
  
  .ai-nav {
    gap: var(--space-2);
  }
  
  .ai-nav a {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
  }
  
  .ai-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .ai-card {
    padding: var(--space-4);
  }
  
  .ai-form {
    padding: var(--space-6);
  }
  
  .ai-btn-group {
    flex-direction: column;
  }
  
  .ai-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .ai-chat-container {
    height: 400px;
  }
  
  .ai-message {
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  .ai-container {
    padding: var(--space-3);
  }
  
  .ai-header h1 {
    font-size: var(--font-size-2xl);
  }
  
  .ai-card h3 {
    font-size: var(--font-size-lg);
  }
  
  .ai-stat-value {
    font-size: var(--font-size-2xl);
  }
}

/* ================================================================== */
/* 12. AI ANIMATIONS                                                  */
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.ai-fade-in {
  animation: ai-fade-in 0.6s ease-out;
}

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

.ai-slide-up {
  animation: ai-slide-up 0.6s ease-out;
}

@keyframes ai-slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ai-scale-in {
  animation: ai-scale-in 0.4s ease-out;
}

@keyframes ai-scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ================================================================== */
/* 13. AI UTILITY CLASSES                                             */
/* ================================================================== */
.ai-text-center { text-align: center; }
.ai-text-left { text-align: left; }
.ai-text-right { text-align: right; }

.ai-mb-1 { margin-bottom: var(--space-1); }
.ai-mb-2 { margin-bottom: var(--space-2); }
.ai-mb-3 { margin-bottom: var(--space-3); }
.ai-mb-4 { margin-bottom: var(--space-4); }
.ai-mb-5 { margin-bottom: var(--space-5); }
.ai-mb-6 { margin-bottom: var(--space-6); }

.ai-mt-1 { margin-top: var(--space-1); }
.ai-mt-2 { margin-top: var(--space-2); }
.ai-mt-3 { margin-top: var(--space-3); }
.ai-mt-4 { margin-top: var(--space-4); }
.ai-mt-5 { margin-top: var(--space-5); }
.ai-mt-6 { margin-top: var(--space-6); }

.ai-p-1 { padding: var(--space-1); }
.ai-p-2 { padding: var(--space-2); }
.ai-p-3 { padding: var(--space-3); }
.ai-p-4 { padding: var(--space-4); }
.ai-p-5 { padding: var(--space-5); }
.ai-p-6 { padding: var(--space-6); }

.ai-hidden { display: none; }
.ai-visible { display: block; }
.ai-flex { display: flex; }
.ai-grid { display: grid; }

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

/* ================================================================== */
/* 14. AI DARK MODE ENHANCEMENTS                                      */
/* ================================================================== */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-surface: #111111;
    --bg-elevated: #1a1a1a;
  }
}

/* ================================================================== */
/* 15. AI ACCESSIBILITY                                               */
/* ================================================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* ================================================================== */
/* END OF AI UNIFIED STYLES                                           */
/* ================================================================== */