/* 
  Global Theme System
  This file defines the unified theme variables used across all pages
  - Main page (Gateway)
  - Booking Agent
  - Talent Acquisition Agent
*/

/* Light Theme (Default) */
:root {
  /* Colors */
  --primary-color: #3498db;
  --primary-hover: #2980b9;
  --primary-light: #ebf3fd;
  
  --secondary-color: #2c3e50;
  --secondary-light: #34495e;
  
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --error-color: #e74c3c;
  --info-color: #3498db;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-overlay: rgba(0, 0, 0, 0.1);
  
  /* Text Colors */
  --text-primary: #2c3e50;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --text-inverse: #ffffff;
  
  /* Header & Navigation */
  --header-bg: #ffffff;
  --header-text: #2c3e50;
  --header-border: #e1e5e9;
  --header-shadow: rgba(0, 0, 0, 0.1);
  
  /* Cards & Containers */
  --card-bg: #ffffff;
  --card-border: #e1e5e9;
  --card-shadow: rgba(0, 0, 0, 0.1);
  --card-shadow-hover: rgba(0, 0, 0, 0.15);
  
  /* Interactive Elements */
  --button-primary-bg: #3498db;
  --button-primary-text: #ffffff;
  --button-primary-hover: #2980b9;
  --button-secondary-bg: #6c757d;
  --button-secondary-text: #ffffff;
  --button-secondary-hover: #5a6268;
  
  --input-bg: #ffffff;
  --input-border: #ced4da;
  --input-focus: #80bdff;
  --input-text: #495057;
  --input-placeholder: #6c757d;
  
  --hover-bg: #f8f9fa;
  --active-bg: #e9ecef;
  
  /* Borders & Dividers */
  --border-color: #dee2e6;
  --border-light: #e9ecef;
  --border-dark: #adb5bd;
  
  /* Status & Usage Stats */
  --stats-bg: #f8f9fa;
  --stats-text: #6c757d;
  --stats-border: #e1e5e9;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
  --gradient-accent: linear-gradient(to bottom, #ffffff, #f8f9ff);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.15);
  
  /* Typography */
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-xs: 0.75rem;
  --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: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  /* Colors remain the same for brand consistency */
  --primary-color: #3498db;
  --primary-hover: #5dade2;
  --primary-light: #1a2332;
  
  --success-color: #2ecc71;
  --warning-color: #f1c40f;
  --error-color: #e74c3c;
  --info-color: #3498db;
  
  /* Background Colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2c2c2c;
  --bg-tertiary: #3a3a3a;
  --bg-overlay: rgba(255, 255, 255, 0.1);
  
  /* Text Colors */
  --text-primary: #ecf0f1;
  --text-secondary: #bdc3c7;
  --text-muted: #95a5a6;
  --text-inverse: #2c3e50;
  
  /* Header & Navigation */
  --header-bg: #2c3e50;
  --header-text: #ecf0f1;
  --header-border: #34495e;
  --header-shadow: rgba(0, 0, 0, 0.3);
  
  /* Cards & Containers */
  --card-bg: #34495e;
  --card-border: #4a5568;
  --card-shadow: rgba(0, 0, 0, 0.2);
  --card-shadow-hover: rgba(0, 0, 0, 0.3);
  
  /* Interactive Elements */
  --button-primary-bg: #3498db;
  --button-primary-text: #ffffff;
  --button-primary-hover: #5dade2;
  --button-secondary-bg: #95a5a6;
  --button-secondary-text: #2c3e50;
  --button-secondary-hover: #bdc3c7;
  
  --input-bg: #2c3e50;
  --input-border: #4a5568;
  --input-focus: #3498db;
  --input-text: #ecf0f1;
  --input-placeholder: #95a5a6;
  
  --hover-bg: #34495e;
  --active-bg: #4a5568;
  
  /* Borders & Dividers */
  --border-color: #4a5568;
  --border-light: #34495e;
  --border-dark: #2c3e50;
  
  /* Status & Usage Stats */
  --stats-bg: #34495e;
  --stats-text: #bdc3c7;
  --stats-border: #4a5568;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  --gradient-secondary: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
  --gradient-accent: linear-gradient(to bottom, #2c3e50, #34495e);
  
  /* Shadows remain similar but darker */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.25);
}

/* Theme Transition for Smooth Switching */
* {
  transition: 
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base);
}

/* Base Body Styling */
body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Common Component Styles */
.btn-primary {
  background-color: var(--button-primary-bg);
  color: var(--button-primary-text);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-base);
}

.btn-primary:hover {
  background-color: var(--button-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  border: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background-color: var(--button-secondary-hover);
  transform: translateY(-1px);
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.input {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--input-text);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.input::placeholder {
  color: var(--input-placeholder);
}

/* Utility Classes */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-error { color: var(--error-color); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }

.border { border: 1px solid var(--border-color); }
.border-light { border: 1px solid var(--border-light); }
.border-dark { border: 1px solid var(--border-dark); }

.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); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }