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

body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--sidebar-bg-start) 10%, var(--sidebar-bg-end) 100%);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar .sidebar-brand {
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sidebar-text);
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .sidebar-brand i {
    margin-right: 10px;
}

.sidebar.collapsed .sidebar-brand-text {
    display: none;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--sidebar-text);
    opacity: 0.8;
    text-decoration: none;
    transition: all 0.15s ease;
}

.nav-link:hover {
    opacity: 1;
    background-color: var(--sidebar-hover);
}

.nav-link.active {
    opacity: 1;
    background-color: var(--sidebar-hover);
}

.nav-link i {
    width: 30px;
    font-size: 0.9rem;
}

.sidebar.collapsed .nav-link span {
    display: none;
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Top Navbar */
.top-navbar {
    height: var(--navbar-height);
    background-color: var(--bg-primary);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--secondary-color);
    cursor: pointer;
}

.navbar-search {
    flex: 1;
    max-width: 500px;
    margin: 0 2rem;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-dropdown {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: background-color 0.15s ease;
}

.user-info:hover {
    background-color: var(--light-color);
}

.user-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Page Content */
.page-content {
    padding: 1.5rem;
}

.page-header {
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--dark-color);
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1rem;
}

/* Cards */
.card {
    border: none;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #e3e6f0;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Stats Cards */
.stat-card {
    border-left: 4px solid;
}

.stat-card.primary {
    border-left-color: var(--primary-color);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-card.info {
    border-left-color: var(--info-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card .stat-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    opacity: 0.3;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card .stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--primary-color);
}

/* Tables */
.table-responsive {
    border-radius: var(--border-radius);
}

.data-table {
    font-size: 0.9rem;
}

.data-table thead th {
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--text-primary);
    cursor: pointer;
}

.data-table tbody tr:hover {
    background-color: var(--table-hover);
}

/* Buttons */
.btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Forms */
.form-control, .form-select {
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner-overlay.hidden {
    display: none;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    box-shadow: 0 0.5rem 2rem 0 rgba(0, 0, 0, 0.3);
}

.login-header {
    text-align: center;
    padding: 2rem 0 1rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
}

.login-header h4 {
    margin-top: 1rem;
    color: var(--dark-color);
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-info { background-color: var(--info-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }

/* Activity Table Link Styles */
#activityTableContainer table td a {
    color: inherit;
    text-decoration: none;
    display: block;
}

#activityTableContainer table td a:hover {
    opacity: 0.7;
}

/* Theme Toggle Button */
#themeToggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

#themeToggle:hover {
    background-color: var(--bg-tertiary);
}

/* Card and Modal Background Overrides for Dark Mode */
[data-theme="dark"] .card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--text-primary);
}

[data-theme="dark"] .card-header {
    background-color: var(--bg-tertiary);
    border-bottom-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-content {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

[data-theme="dark"] .table {
    color: var(--text-primary);
}

[data-theme="dark"] .table thead th {
    color: var(--text-primary);
    background-color: var(--table-header-bg);
    border-color: var(--table-border);
}

[data-theme="dark"] .table-bordered {
    border-color: var(--table-border);
}

[data-theme="dark"] .table-bordered th,
[data-theme="dark"] .table-bordered td {
    border-color: var(--table-border);
}

[data-theme="dark"] .table-light {
    background-color: var(--table-header-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .breadcrumb {
    background-color: transparent;
}

[data-theme="dark"] .breadcrumb-item a {
    color: var(--primary-color);
}

[data-theme="dark"] .list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .list-group-item:hover {
    background-color: var(--bg-tertiary);
}

/* Additional text color fixes for dark mode */
[data-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .text-muted {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .text-body {
    color: var(--text-primary) !important;
}

[data-theme="dark"] label,
[data-theme="dark"] .form-label {
    color: var(--text-primary);
}

[data-theme="dark"] .card-body {
    color: var(--text-primary);
}

[data-theme="dark"] .page-title {
    color: var(--text-primary);
}

[data-theme="dark"] .alert {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .alert-success {
    background-color: #1e4620;
    border-color: #2d5a2f;
    color: #75e079;
}

[data-theme="dark"] .alert-danger {
    background-color: #4a1e1e;
    border-color: #6a2d2d;
    color: #f88;
}

[data-theme="dark"] .alert-warning {
    background-color: #4a3e1e;
    border-color: #6a5a2d;
    color: #ffc107;
}

[data-theme="dark"] .alert-info {
    background-color: #1e3a4a;
    border-color: #2d5a6a;
    color: #5bc0de;
}

[data-theme="dark"] .alert .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] small,
[data-theme="dark"] .small {
    color: var(--text-secondary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--text-primary);
}

[data-theme="dark"] p {
    color: var(--text-primary);
}

[data-theme="dark"] .badge {
    color: #fff;
}

[data-theme="dark"] span {
    color: var(--text-primary);
}

[data-theme="dark"] strong,
[data-theme="dark"] b {
    color: var(--text-primary);
}

[data-theme="dark"] div {
    color: var(--text-primary);
}

[data-theme="dark"] a {
    color: var(--primary-color);
}

[data-theme="dark"] a:hover {
    color: var(--primary-dark);
}

[data-theme="dark"] .list-group-item-action {
    color: var(--text-primary);
}

[data-theme="dark"] .list-group-item-action:hover {
    color: var(--text-primary);
}

/* TUI Editor Dark Mode Overrides */
[data-theme="dark"] .toastui-editor-defaultUI {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .toastui-editor-toolbar {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .toastui-editor-toolbar-icons,
[data-theme="dark"] .toastui-editor-toolbar-divider {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .toastui-editor-mode-switch {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .toastui-editor-tab-section {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .toastui-editor-md-tab-container,
[data-theme="dark"] .toastui-editor-ww-tab-container {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .toastui-editor-md-container .toastui-editor,
[data-theme="dark"] .toastui-editor-ww-container .toastui-editor {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .toastui-editor-contents,
[data-theme="dark"] .toastui-editor .ProseMirror {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .toastui-editor-contents h1,
[data-theme="dark"] .toastui-editor-contents h2,
[data-theme="dark"] .toastui-editor-contents h3,
[data-theme="dark"] .toastui-editor-contents h4,
[data-theme="dark"] .toastui-editor-contents h5,
[data-theme="dark"] .toastui-editor-contents h6,
[data-theme="dark"] .toastui-editor-contents p,
[data-theme="dark"] .toastui-editor-contents li,
[data-theme="dark"] .toastui-editor-contents span,
[data-theme="dark"] .toastui-editor-contents div {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .toastui-editor-contents code {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .toastui-editor-contents pre {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .toastui-editor-contents blockquote {
    color: var(--text-secondary);
    border-left-color: var(--border-color);
}

[data-theme="dark"] .toastui-editor-md-splitter,
[data-theme="dark"] .toastui-editor-ww-container {
    background-color: var(--bg-primary);
}

[data-theme="dark"] .toastui-editor-md-vertical-style .toastui-editor-md-splitter {
    border-color: var(--border-color);
}

[data-theme="dark"] .toastui-editor-popup {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .toastui-editor-popup-body {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .toastui-editor-tooltip {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .toastui-editor .toastui-editor-toolbar-group button,
[data-theme="dark"] .toastui-editor-defaultUI-toolbar button {
    color: var(--text-primary);
}

[data-theme="dark"] .toastui-editor .toastui-editor-toolbar-group button:hover,
[data-theme="dark"] .toastui-editor-defaultUI-toolbar button:hover {
    background-color: var(--bg-secondary);
}

[data-theme="dark"] .toastui-editor-pseudo-clipboard {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* CodeMirror (used by TUI Editor) dark mode */
[data-theme="dark"] .CodeMirror {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .CodeMirror-gutters {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .CodeMirror-linenumber {
    color: var(--text-secondary);
}

[data-theme="dark"] .CodeMirror-cursor {
    border-left-color: var(--text-primary);
}

[data-theme="dark"] .CodeMirror-selected {
    background-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .CodeMirror-line {
    color: var(--text-primary) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .navbar-search {
        display: none;
    }
}