/* TaskFlow - Modern Task Management System */
/* Dark Theme inspired by Todoist */

:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #282828;
    --bg-tertiary: #363636;
    --bg-hover: #3d3d3d;
    --bg-active: #454545;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #6b6b6b;
    --accent-primary: #dc4c3e;
    --accent-secondary: #ff7b6b;
    --border-color: #3d3d3d;
    --success: #4caf50;
    --warning: #f9a825;
    --danger: #ff5252;
    --info: #29b6f6;
    --sidebar-width: 280px;
    --header-height: 44px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-secondary);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 5px;
    transition: var(--transition);
}

.user-menu:hover {
    background-color: var(--bg-hover);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
}

.sidebar-icons {
    display: flex;
    gap: 4px;
}

.sidebar-icon {
    padding: 6px;
    border-radius: 5px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.sidebar-icon:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Add Task Button */
.add-task-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.add-task-btn:hover {
    background-color: var(--bg-hover);
}

.add-task-btn svg {
    width: 20px;
    height: 20px;
}

/* Navigation */
.nav-section {
    padding: 8px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.nav-item:hover {
    background-color: var(--bg-hover);
}

.nav-item.active {
    background-color: var(--bg-active);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.nav-item.active svg {
    color: var(--accent-primary);
}

.nav-item-count {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.section-header button:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Projects List */
.projects-list {
    padding: 0;
    list-style: none;
}

.project-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.project-item:hover {
    background-color: var(--bg-hover);
}

.project-color {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* Header */
.main-header {
    height: var(--header-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-primary);
    z-index: 50;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Content Area */
.content-area {
    padding: 24px 32px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

/* Urgent Tasks Banner */
.urgent-banner {
    background: linear-gradient(135deg, #ff5252 0%, #dc4c3e 100%);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.urgent-banner svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.urgent-banner-content h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.urgent-banner-content p {
    font-size: 13px;
    opacity: 0.9;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.stat-card h4 {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card .label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Task List */
.task-section {
    margin-bottom: 32px;
}

.task-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.task-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.task-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.task-item:hover {
    background-color: var(--bg-hover);
    margin: 0 -8px;
    padding: 12px 8px;
    border-radius: 8px;
}

.task-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
    transition: var(--transition);
}

.task-checkbox:hover {
    border-color: var(--accent-primary);
    background-color: rgba(220, 76, 62, 0.1);
}

.task-checkbox.priority-urgent {
    border-color: #ff0000;
}

.task-checkbox.priority-high {
    border-color: #ff6b35;
}

.task-checkbox.priority-medium {
    border-color: #f9a825;
}

.task-checkbox.priority-low {
    border-color: #4caf50;
}

.task-checkbox.completed {
    background-color: var(--text-secondary);
    border-color: var(--text-secondary);
}

.task-content {
    flex: 1;
    min-width: 0;
}

.task-title {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
    cursor: pointer;
}

.task-title.completed {
    text-decoration: line-through;
    color: var(--text-muted);
}

.task-description {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.task-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.task-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.task-meta-item svg {
    width: 14px;
    height: 14px;
}

.task-meta-item.overdue {
    color: var(--danger);
}

.task-priority {
    width: 4px;
    height: 18px;
    border-radius: 2px;
    flex-shrink: 0;
}

.task-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: var(--transition);
}

.task-item:hover .task-actions {
    opacity: 1;
}

.task-action-btn {
    padding: 4px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition);
}

.task-action-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Add Task Inline */
.add-task-inline {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.add-task-inline:hover {
    color: var(--accent-primary);
}

.add-task-inline svg {
    width: 20px;
    height: 20px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 16px 70px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    background-color: var(--bg-secondary);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
}

.task-input-title {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 15px;
    width: 100%;
    padding: 8px 0;
}

.task-input-title:focus {
    outline: none;
}

.task-input-title::placeholder {
    color: var(--text-muted);
}

.task-input-description {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    width: 100%;
    padding: 4px 0;
    resize: none;
    min-height: 40px;
}

.task-input-description:focus {
    outline: none;
}

/* Task Options */
.task-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.task-option-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

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

.task-option-btn.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.task-option-btn svg {
    width: 16px;
    height: 16px;
}

/* Project Selector */
.project-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
}

.project-selector-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.project-selector-btn:hover {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.btn-primary:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

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

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

.btn-ghost {
    background: none;
    color: var(--text-secondary);
}

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

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

.btn-danger:hover {
    background-color: #ff6b6b;
}

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

.btn-success:hover {
    background-color: #5cb85c;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 200px;
    padding: 8px 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--bg-hover);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: var(--bg-tertiary);
}

.data-table td {
    font-size: 14px;
    color: var(--text-primary);
}

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

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

.badge-pending {
    background-color: rgba(249, 168, 37, 0.2);
    color: var(--warning);
}

.badge-approved {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.badge-rejected {
    background-color: rgba(255, 82, 82, 0.2);
    color: var(--danger);
}

.badge-completed {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

/* Priority Badges */
.priority-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.priority-urgent {
    background-color: rgba(255, 0, 0, 0.2);
    color: #ff0000;
}

.priority-high {
    background-color: rgba(255, 107, 53, 0.2);
    color: #ff6b35;
}

.priority-medium {
    background-color: rgba(249, 168, 37, 0.2);
    color: #f9a825;
}

.priority-low {
    background-color: rgba(76, 175, 80, 0.2);
    color: #4caf50;
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background-color: var(--bg-primary);
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-primary);
}

.auth-title {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 15px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Alert Messages */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--success);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.alert-error {
    background-color: rgba(255, 82, 82, 0.2);
    color: var(--danger);
    border: 1px solid rgba(255, 82, 82, 0.3);
}

.alert-warning {
    background-color: rgba(249, 168, 37, 0.2);
    color: var(--warning);
    border: 1px solid rgba(249, 168, 37, 0.3);
}

.alert-info {
    background-color: rgba(41, 182, 246, 0.2);
    color: var(--info);
    border: 1px solid rgba(41, 182, 246, 0.3);
}

/* Filters */
.filters-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.filter-select {
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 20px;
}

/* Reports */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.report-card {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.report-card h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.report-chart {
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    gap: 8px;
}

.chart-bar {
    flex: 1;
    background-color: var(--accent-primary);
    border-radius: 4px 4px 0 0;
    transition: var(--transition);
    max-width: 40px;
}

.chart-bar:hover {
    background-color: var(--accent-secondary);
}

/* User List */
.user-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.user-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
}

.user-item-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-item-info {
    flex: 1;
}

.user-item-name {
    font-size: 14px;
    font-weight: 500;
}

.user-item-email {
    font-size: 12px;
    color: var(--text-secondary);
}

.user-item-actions {
    display: flex;
    gap: 8px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

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

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

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

    .content-area {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .modal {
        margin: 16px;
        max-width: calc(100% - 32px);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 24px;
    }

    .task-options {
        flex-direction: column;
    }

    .task-option-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Menu Toggle Button */
.menu-toggle {
    display: none;
    padding: 8px;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Loading Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 10px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}