/* Dark Mode Styles */
:root {
    /* Light Mode Variables */
    --light-bg-primary: #ffffff;
    --light-bg-secondary: #f8f9fa;
    --light-bg-tertiary: #e9ecef;
    --light-text-primary: #212529;
    --light-text-secondary: #6c757d;
    --light-text-muted: #adb5bd;
    --light-border: #dee2e6;
    --light-border-focus: #ffffff;
    --light-text-accent: #ffffff;
    --light-text-success: #28a745;
    --light-text-warning: #ffc107;
    --light-text-danger: #dc3545;
    --light-text-info: #17a2b8;
    --light-shadow: rgba(0, 0, 0, 0.1);
    --light-card-bg: #ffffff;
    --light-input-bg: #ffffff;
    --light-btn-primary: #ffffff;
    --light-btn-secondary: #6c757d;
    --light-navbar-bg: #ffffff;
    --light-footer-bg: #f8f9fa;

    /* Dark Mode Variables */
    --dark-bg-primary: #1a1a1a;
    --dark-bg-secondary: #2d2d2d;
    --dark-bg-tertiary: #404040;
    --dark-text-primary: #ffffff;
    --dark-text-secondary: #b0b0b0;
    --dark-text-muted: #808080;
    --dark-border: #404040;
    --dark-border-focus: #ffffff;
    --dark-text-accent: #6c8cff;
    --dark-text-success: #75b798;
    --dark-text-warning: #ffeaa7;
    --dark-text-danger: #ff6b6b;
    --dark-text-info: #b8e6f0;
    --dark-shadow: rgba(0, 0, 0, 0.3);
    --dark-card-bg: #2d2d2d;
    --dark-input-bg: #404040;
    --dark-btn-primary: #ffffff;
    --dark-btn-secondary: #6c757d;
    --dark-navbar-bg: #2d2d2d;
    --dark-footer-bg: #1a1a1a;
}

/* Light Mode (Default) */
body.light-theme {
    background-color: var(--light-bg-primary);
    color: var(--light-text-primary);
    transition: all 0.3s ease;
}

body.light-theme .card {
    background-color: var(--light-card-bg);
    border-color: var(--light-border);
    box-shadow: 0 2px 4px var(--light-shadow);
}

body.light-theme .form-control {
    background-color: var(--light-input-bg);
    border-color: var(--light-border);
    color: var(--light-text-primary);
}

body.light-theme .form-control:focus {
    border-color: var(--light-border-focus);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

body.light-theme .navbar {
    background-color: var(--light-navbar-bg) !important;
    border-bottom: 1px solid var(--light-border);
}

body.light-theme .footer {
    background-color: var(--light-footer-bg);
    border-top: 1px solid var(--light-border);
}

body.light-theme .btn-primary {
    background-color: var(--light-btn-primary);
    border-color: var(--light-btn-primary);
}

body.light-theme .btn-secondary {
    background-color: var(--light-btn-secondary);
    border-color: var(--light-btn-secondary);
}

body.light-theme .text-muted {
    color: var(--light-text-muted) !important;
}

body.light-theme .text-secondary {
    color: var(--light-text-secondary) !important;
}

body.light-theme .text-primary {
    color: var(--light-text-accent) !important;
}

body.light-theme .text-success {
    color: var(--light-text-success) !important;
}

body.light-theme .text-warning {
    color: var(--light-text-warning) !important;
}

body.light-theme .text-danger {
    color: var(--light-text-danger) !important;
}

body.light-theme .text-info {
    color: var(--light-text-info) !important;
}

/* Dark Mode */
body.dark-theme {
    background-color: var(--dark-bg-primary);
    color: var(--dark-text-primary);
    transition: all 0.3s ease;
}

/* Text colors for dark mode */
body.dark-theme h1,
body.dark-theme h2,
body.dark-theme h3,
body.dark-theme h4,
body.dark-theme h5,
body.dark-theme h6 {
    color: var(--dark-text-primary);
}

body.dark-theme p {
    color: var(--dark-text-primary);
}

body.dark-theme span {
    color: inherit;
}

body.dark-theme div {
    color: inherit;
}

body.dark-theme label {
    color: var(--dark-text-primary);
}

body.dark-theme strong,
body.dark-theme b {
    color: var(--dark-text-primary);
}

body.dark-theme em,
body.dark-theme i {
    color: inherit;
}

body.dark-theme a {
    color: var(--dark-border-focus);
}

body.dark-theme a:hover {
    color: #6c8cff;
}

body.dark-theme small {
    color: var(--dark-text-secondary);
}

body.dark-theme .card {
    background-color: var(--dark-card-bg);
    border-color: var(--dark-border);
    box-shadow: 0 2px 4px var(--dark-shadow);
}

body.dark-theme .form-control {
    background-color: var(--dark-input-bg);
    border-color: var(--dark-border);
    color: var(--dark-text-primary);
}

body.dark-theme .form-control:focus {
    border-color: var(--dark-border-focus);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

body.dark-theme .navbar {
    background-color: var(--dark-navbar-bg) !important;
    border-bottom: 1px solid var(--dark-border);
}

body.dark-theme .footer {
    background-color: var(--dark-footer-bg);
    border-top: 1px solid var(--dark-border);
}

body.dark-theme .btn-primary {
    background-color: var(--dark-btn-primary);
    border-color: var(--dark-btn-primary);
}

body.dark-theme .btn-secondary {
    background-color: var(--dark-btn-secondary);
    border-color: var(--dark-btn-secondary);
}

body.dark-theme .text-muted {
    color: var(--dark-text-muted) !important;
}

body.dark-theme .text-secondary {
    color: var(--dark-text-secondary) !important;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.theme-toggle i {
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

/* Animation for theme transition */
.theme-transition {
    transition: all 0.3s ease;
}

/* Specific component styles for dark mode */
body.dark-theme .department-card {
    background-color: var(--dark-card-bg);
    border-color: var(--dark-border);
}

body.dark-theme .role-card {
    background-color: var(--dark-card-bg);
    border-color: var(--dark-border);
}

body.dark-theme .role-card:hover {
    border-color: var(--dark-border-focus);
    box-shadow: 0 15px 35px rgba(78, 115, 223, 0.2);
}

body.dark-theme .step-indicator {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--dark-text-primary);
}

body.dark-theme .step-indicator.active {
    background-color: var(--dark-border-focus);
    color: white;
}

/* Registration page specific text styles */
body.dark-theme .form-label {
    color: var(--dark-text-primary);
}

body.dark-theme .form-label i {
    color: var(--dark-border-focus);
}

body.dark-theme .invalid-feedback {
    color: #ff6b6b;
}

body.dark-theme .valid-feedback {
    color: #75b798;
}

body.dark-theme .text-primary {
    color: var(--dark-text-accent) !important;
}

body.dark-theme .text-success {
    color: var(--dark-text-success) !important;
}

body.dark-theme .text-danger {
    color: var(--dark-text-danger) !important;
}

body.dark-theme .text-warning {
    color: var(--dark-text-warning) !important;
}

body.dark-theme .text-info {
    color: var(--dark-text-info) !important;
}

body.dark-theme .text-success {
    color: #75b798 !important;
}

body.dark-theme .text-danger {
    color: #ff6b6b !important;
}

body.dark-theme .text-warning {
    color: #ffeaa7 !important;
}

body.dark-theme .text-info {
    color: #b8e6f0 !important;
}

/* Custom element text styles */
body.dark-theme .fw-bold {
    color: var(--dark-text-primary);
}

body.dark-theme .fw-normal {
    color: var(--dark-text-primary);
}

body.dark-theme .fw-light {
    color: var(--dark-text-secondary);
}

body.dark-theme .text-center {
    color: inherit;
}

body.dark-theme .text-start {
    color: inherit;
}

body.dark-theme .text-end {
    color: inherit;
}

/* Icon colors */
body.dark-theme .fas,
body.dark-theme .far,
body.dark-theme .fab {
    color: inherit;
}

body.dark-theme .bi {
    color: inherit;
}

/* Placeholder text */
body.dark-theme ::placeholder {
    color: var(--dark-text-muted);
    opacity: 1;
}

body.dark-theme :-ms-input-placeholder {
    color: var(--dark-text-muted);
}

body.dark-theme ::-ms-input-placeholder {
    color: var(--dark-text-muted);
}

body.dark-theme .select2-container--bootstrap-5 .select2-selection {
    background-color: var(--dark-input-bg);
    border-color: var(--dark-border);
    color: var(--dark-text-primary);
}

body.dark-theme .select2-container--bootstrap-5 .select2-dropdown {
    background-color: var(--dark-card-bg);
    border-color: var(--dark-border);
}

body.dark-theme .select2-container--bootstrap-5 .select2-results__option {
    color: var(--dark-text-primary);
}

body.dark-theme .select2-container--bootstrap-5 .select2-results__option--highlighted {
    background-color: var(--dark-border-focus);
    color: white;
}

/* Bottom navigation for dark mode */
body.dark-theme .bottom-nav {
    background-color: var(--dark-navbar-bg);
    border-top: 1px solid var(--dark-border);
}

body.dark-theme .bottom-nav a {
    color: var(--dark-text-primary);
}

/* Navigation and menu text styles */
body.dark-theme .navbar-nav .nav-link {
    color: var(--dark-text-primary);
}

body.dark-theme .navbar-nav .nav-link:hover {
    color: var(--dark-border-focus);
}

body.dark-theme .navbar-brand {
    color: var(--dark-text-primary);
}

body.dark-theme .dropdown-menu {
    background-color: var(--dark-card-bg);
    border-color: var(--dark-border);
}

body.dark-theme .dropdown-item {
    color: var(--dark-text-primary);
}

body.dark-theme .dropdown-item:hover {
    background-color: var(--dark-bg-secondary);
    color: var(--dark-text-primary);
}

/* List styles */
body.dark-theme ul,
body.dark-theme ol {
    color: var(--dark-text-primary);
}

body.dark-theme li {
    color: var(--dark-text-primary);
}

/* Table text styles */
body.dark-theme .table {
    color: var(--dark-text-primary);
}

body.dark-theme .table th {
    color: var(--dark-text-primary);
}

body.dark-theme .table td {
    color: var(--dark-text-primary);
}

/* Alert styles for dark mode */
body.dark-theme .alert-info {
    background-color: rgba(78, 115, 223, 0.1);
    border-color: var(--dark-border-focus);
    color: var(--dark-text-primary);
}

body.dark-theme .alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #ff6b6b;
}

/* Loading animation */
.theme-loading {
    opacity: 0.7;
    pointer-events: none;
}

/* RTL Support */
[dir="rtl"] .theme-toggle {
    right: auto;
    left: 20px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
        width: 45px;
        height: 45px;
    }

    [dir="rtl"] .theme-toggle {
        right: auto;
        left: 10px;
    }
}