/* Amigos Learn - Consistent Color Palette with Dark Mode */
:root {
  /* Primary Brand Colors */
  --primary-blue: #667eea;
  --primary-blue-dark: #5a67d8;
  --primary-green: #38a169;
  --primary-green-dark: #2f855a;

  /* Role-based Colors */
  --admin-color: #2d3748;
  --admin-color-light: #4a5568;
  --trainer-color: #38a169;
  --trainer-color-light: #48bb78;
  --learner-color: #4299e1;
  --learner-color-light: #63b3ed;

  /* Status Colors */
  --success-color: #38a169;
  --success-bg: #c6f6d5;
  --warning-color: #dd6b20;
  --warning-bg: #fef5e7;
  --error-color: #e53e3e;
  --error-bg: #fed7d7;
  --info-color: #4299e1;
  --info-bg: #bee3f8;

  /* Light Mode Colors */
  --text-primary: #1a202c;
  --text-secondary: #2d3748;
  --text-muted: #4a5568;
  --text-light: #718096;

  --bg-primary: #ffffff;
  --bg-secondary: #f7f9fc;
  --bg-tertiary: #edf2f7;
  --bg-overlay: rgba(0, 0, 0, 0.5);

  --border-light: #e2e8f0;
  --border-medium: #cbd5e0;
  --border-dark: #a0aec0;

  --hover-overlay: rgba(0, 0, 0, 0.05);
  --focus-ring: rgba(66, 153, 225, 0.5);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, var(--success-color) 0%, #2f855a 100%);
  --gradient-info: linear-gradient(135deg, var(--info-color) 0%, #3182ce 100%);

  /* Typography */
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --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;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 8px;
  --radius-xl: 10px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Dark Mode Colors */
[data-theme="dark"] {
  /* Dark Mode Text Colors - Improved Contrast */
  --text-primary: #f5f5f5;
  --text-secondary: #d4d4d8;
  --text-muted: #a1a1aa;
  --text-light: #71717a;

  /* Dark Mode Background Colors - Softer Grays */
  --bg-primary: #27272a;
  --bg-secondary: #18181b;
  --bg-tertiary: #3f3f46;
  --bg-overlay: rgba(0, 0, 0, 0.7);

  /* Dark Mode Border Colors - Better Visibility */
  --border-light: #3f3f46;
  --border-medium: #52525b;
  --border-dark: #71717a;

  /* Dark Mode Interactive Colors */
  --hover-overlay: rgba(255, 255, 255, 0.1);
  --focus-ring: rgba(102, 126, 234, 0.5);

  /* Dark Mode Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);

  /* Dark Mode Status Backgrounds - Better Contrast */
  --success-bg: #14532d;
  --success-color: #86efac;
  --warning-bg: #451a03;
  --warning-color: #fbbf24;
  --error-bg: #450a0a;
  --error-color: #fca5a5;
  --info-bg: #1e3a8a;
  --info-color: #93c5fd;

  /* Dark Mode Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #5a4a8a 100%);
  --gradient-success: linear-gradient(135deg, #38a169 0%, #276749 100%);
  --gradient-info: linear-gradient(135deg, #4299e1 0%, #2b6cb0 100%);
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Common Component Styles */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
  background: var(--primary-green-dark);
}

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

.btn-danger:hover {
  background: #c53030;
}

.card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-xl);
}

.input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base);
}

.input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.status-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.status-pending {
  background: var(--warning-bg);
  color: var(--warning-color);
}

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

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

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

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

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

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Logo Styles */
.header-logo {
  height: 40px;
  width: auto;
  transition: opacity var(--transition-base);
}

.header-logo:hover {
  opacity: 0.9;
}

.login-logo {
  max-width: 150px;
  height: auto;
  margin-bottom: var(--spacing-md);
}

/* Dark Mode Toggle Button */
.dark-mode-toggle {
  position: fixed;
  top: 80px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd93d 0%, #ffb800 100%);
  color: #2d3748;
  border: 3px solid #fff;
  box-shadow: 0 4px 15px rgba(255, 217, 61, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition-base);
  z-index: 999;
}

.dark-mode-toggle:hover {
  transform: scale(1.1) rotate(20deg);
  box-shadow: 0 6px 20px rgba(255, 217, 61, 0.6);
}

.dark-mode-toggle:active {
  transform: scale(0.95);
}

/* Dark mode active state */
[data-theme="dark"] .dark-mode-toggle {
  background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
  color: #ffd93d;
  border-color: #4a5568;
  box-shadow: 0 4px 15px rgba(74, 85, 104, 0.4);
}

/* Responsive logo adjustments */
@media (max-width: 768px) {
  .header-logo {
    height: 30px;
  }

  .login-logo {
    max-width: 120px;
  }

  .header h1 {
    font-size: var(--font-size-lg);
  }

  .dark-mode-toggle {
    width: 45px;
    height: 45px;
    top: 70px;
    right: 15px;
    font-size: 1.25rem;
  }
}