/* Global Theme Variables - Navy Blue (#202A44) and Grey Color Scheme */

:root {
  /* Brand Colors */
  --brand-navy: #202A44;
  --brand-navy-dark: #1A2238;
  --brand-navy-light: #2A3654;
  
  /* Light Mode Colors */
  --bg-primary: #E8ECF0;
  --bg-secondary: #F5F7FA;
  --bg-tertiary: #FFFFFF;
  --bg-hover: #DEE4E9;
  
  /* Text Colors - Light Mode */
  --text-primary: #1A2238;
  --text-secondary: #475569;
  --text-tertiary: #64748B;
  --text-muted: #94A3B8;
  
  /* Border & Divider - Light Mode */
  --border-color: #CBD5E1;
  --divider-color: #E2E8F0;
  
  /* Accent & Interactive - Light Mode */
  --accent-primary: #202A44;
  --accent-secondary: #3B4A6B;
  --accent-hover: #2A3654;
  --link-color: #202A44;
  --link-hover: #1A2238;
  
  /* Status Colors - Light Mode */
  --success-color: #10B981;
  --success-bg: #D1FAE5;
  --warning-color: #F59E0B;
  --warning-bg: #FEF3C7;
  --error-color: #EF4444;
  --error-bg: #FEE2E2;
  --info-color: #3B82F6;
  --info-bg: #DBEAFE;
  
  /* Shadow & Overlay */
  --shadow-sm: 0 1px 2px 0 rgba(32, 42, 68, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(32, 42, 68, 0.1), 0 2px 4px -1px rgba(32, 42, 68, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(32, 42, 68, 0.1), 0 4px 6px -2px rgba(32, 42, 68, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(32, 42, 68, 0.1), 0 10px 10px -5px rgba(32, 42, 68, 0.04);
  --overlay: rgba(32, 42, 68, 0.5);
  
  /* Input & Form Elements */
  --input-bg: #FFFFFF;
  --input-border: #CBD5E1;
  --input-border-focus: #667EEA;
  --input-text: #1A2238;
  --input-placeholder: #94A3B8;
  
  /* Button Styles */
  --btn-primary-bg: #202A44;
  --btn-primary-text: #FFFFFF;
  --btn-primary-hover: #2A3654;
  --btn-secondary-bg: #E2E8F0;
  --btn-secondary-text: #202A44;
  --btn-secondary-hover: #CBD5E1;
  
  /* Card & Container */
  --card-bg: #FFFFFF;
  --card-border: #E2E8F0;
  --card-shadow: var(--shadow-md);
  
  /* Transition & Animation */
  --transition-speed: 0.3s;
  --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
  /* Dark Mode Backgrounds */
  --bg-primary: #0F1419;
  --bg-secondary: #1A1F2E;
  --bg-tertiary: #252B3A;
  --bg-hover: #2A3654;
  
  /* Text Colors - Dark Mode */
  --text-primary: #FFFFFF;
  --text-secondary: #E2E8F0;
  --text-tertiary: #CBD5E1;
  --text-muted: #94A3B8;
  
  /* Border & Divider - Dark Mode */
  --border-color: #334155;
  --divider-color: #2A3654;
  
  /* Accent & Interactive - Dark Mode */
  --accent-primary: #3B82F6;
  --accent-secondary: #60A5FA;
  --accent-hover: #2563EB;
  --link-color: #60A5FA;
  --link-hover: #93C5FD;
  
  /* Status Colors - Dark Mode */
  --success-color: #34D399;
  --success-bg: #064E3B;
  --warning-color: #FBBF24;
  --warning-bg: #78350F;
  --error-color: #F87171;
  --error-bg: #7F1D1D;
  --info-color: #60A5FA;
  --info-bg: #1E3A8A;
  
  /* Shadow & Overlay - Dark Mode */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --overlay: rgba(0, 0, 0, 0.7);
  
  /* Input & Form Elements - Dark Mode */
  --input-bg: #1E2738;
  --input-border: #334155;
  --input-border-focus: #3B82F6;
  --input-text: #E2E8F0;
  --input-placeholder: #64748B;
  
  /* Button Styles - Dark Mode */
  --btn-primary-bg: #3B82F6;
  --btn-primary-text: #FFFFFF;
  --btn-primary-hover: #2563EB;
  --btn-secondary-bg: #334155;
  --btn-secondary-text: #E2E8F0;
  --btn-secondary-hover: #475569;
  
  /* Card & Container - Dark Mode */
  --card-bg: #1A1F2E;
  --card-border: #2A3654;
  --card-shadow: var(--shadow-lg);
}

/* Additional Dark Mode Styles for Profile Sections */
[data-theme="dark"] .profile-section,
[data-theme="dark"] .profile-content,
[data-theme="dark"] .profile-card,
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
  background-color: #1A1F2E !important;
  color: #FFFFFF !important;
  border-color: #2A3654 !important;
}

[data-theme="dark"] .profile-section label,
[data-theme="dark"] .profile-content label {
  color: #E2E8F0 !important;
}

[data-theme="dark"] .profile-section h1,
[data-theme="dark"] .profile-section h2,
[data-theme="dark"] .profile-section h3,
[data-theme="dark"] .profile-content h1,
[data-theme="dark"] .profile-content h2,
[data-theme="dark"] .profile-content h3 {
  color: #FFFFFF !important;
}

[data-theme="dark"] .profile-section p,
[data-theme="dark"] .profile-content p,
[data-theme="dark"] .profile-section span,
[data-theme="dark"] .profile-content span {
  color: #E2E8F0 !important;
}

/* Dark Mode Overrides for Mentor Profile Grid Fields */
[data-theme="dark"] .profile-info-grid .profile-field label {
  color: #E2E8F0 !important;
}

[data-theme="dark"] .profile-info-grid .field-value {
  background-color: #020617 !important; /* darker than card for clear chips */
  color: #F9FAFB !important;
  border-radius: 0.5rem !important;
  border: 1px solid #334155 !important;
}

[data-theme="dark"] .profile-info-grid .field-value.read-only {
  background-color: #020617 !important;
  color: #E5E7EB !important;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  transition: background-color var(--transition-speed) var(--transition-ease),
              color var(--transition-speed) var(--transition-ease);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.3;
}

p {
  color: var(--text-secondary);
  line-height: 1.6;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color var(--transition-speed) var(--transition-ease);
}

a:hover {
  color: var(--link-hover);
}

/* Button Styles */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.btn-primary:hover {
  background-color: var(--btn-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
}

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

/* Card Styles */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-speed) var(--transition-ease);
}

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

/* Input Styles */
input, textarea, select {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--input-text);
  font-size: 1rem;
  transition: all var(--transition-speed) var(--transition-ease);
  width: 100%;
}

input::placeholder, textarea::placeholder {
  color: var(--input-placeholder);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px rgba(32, 42, 68, 0.1);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Dark Mode Toggle Button - Positioned near profile */
.theme-toggle {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-speed) var(--transition-ease);
}

.theme-toggle:hover {
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: var(--text-primary);
}

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

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

.border-color { border-color: var(--border-color); }

/* Contemporary Design Patterns */
.gradient-bg {
  background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-navy-light) 100%);
}

.gradient-text {
  background: linear-gradient(135deg, var(--brand-navy) 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glassmorphism {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .glassmorphism {
  background: rgba(30, 39, 56, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s var(--transition-ease);
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInFromLeft 0.6s var(--transition-ease);
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInFromRight 0.6s var(--transition-ease);
}

/* Readonly/Disabled Input Styling - Lighter for distinction */
input[readonly],
input[disabled],
textarea[readonly],
textarea[disabled],
select[disabled],
.form-group input[readonly],
.form-group textarea[readonly],
.form-group select[disabled] {
  background-color: var(--bg-hover) !important;
  color: var(--text-secondary) !important;
  cursor: not-allowed;
}

/* Profile Section Specific Styling */
.profile-section .form-group:has(input[readonly]),
.profile-section .form-group:has(textarea[readonly]),
.profile-section .form-group:has(select[disabled]) {
  background: var(--bg-hover) !important;
}

/* Global Color Overrides for Dashboard Elements */
/* Tab button colors */
.tab-btn {
  border-color: var(--border-color) !important;
  background: var(--card-bg) !important;
  color: var(--text-secondary) !important;
}

.tab-btn:hover {
  border-color: var(--accent-primary) !important;
  color: var(--accent-primary) !important;
}

.tab-btn.active {
  color: var(--text-primary) !important;
  border-color: var(--accent-primary) !important;
}

/* Session and card text colors */
.session-title h3,
.mentee-name,
.mentor-name {
  color: var(--text-primary) !important;
}

.mentee-institution,
.mentee-pursuit,
.session-info > div {
  color: var(--text-secondary) !important;
}

.session-info strong {
  color: var(--text-primary) !important;
}

/* Form labels */
.form-group label {
  color: var(--text-primary) !important;
}

/* Input, textarea, select */
input,
textarea,
select {
  background-color: var(--input-bg) !important;
  color: var(--input-text) !important;
  border-color: var(--input-border) !important;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--input-border-focus) !important;
}

input::placeholder,
textarea::placeholder {
  color: var(--input-placeholder) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .theme-toggle {
    width: 2.25rem;
    height: 2.25rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
  
  .card {
    padding: 1rem;
  }
}