/**
 * ReparartionOS - Main Stylesheet
 * 60-30-10 Color Rule Applied
 * 60% White/Light Gray | 30% Dark Blue | 10% Amazon Orange
 */

:root {
    /* Primary Colors - Amazon Orange (10%) */
    --color-primary: #ff9900;
    --color-primary-dark: #e68a00;
    --color-primary-light: #ffad33;
    
    /* Secondary Colors - Dark Blue (30%) */
    --color-secondary: #1e3a5f;
    --color-secondary-dark: #152942;
    --color-secondary-light: #2c5282;
    
    /* Background Colors - White/Light Gray (60%) */
    --color-bg: #f8fafc;
    --color-bg-white: #ffffff;
    --color-bg-light: #f1f5f9;
    --color-bg-gray: #e2e8f0;
    
    /* Text Colors */
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;
    
    /* Status Colors */
    --color-success: #27ae60;
    --color-danger: #e74c3c;
    --color-warning: #f39c12;
    --color-info: #3498db;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Sidebar Width */
    --sidebar-width: 280px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

body.rtl {
    font-family: 'Cairo', sans-serif;
}

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

/* Sidebar (30% Dark Blue) */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-secondary);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.logo i {
    color: var(--color-primary);
    font-size: 2rem;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.nav-list {
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link i {
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.nav-link span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 0 1 auto;
}

/* Pour les sous-menus avec flèche */
.has-submenu .nav-link {
    justify-content: flex-start;
}

.has-submenu .nav-link .submenu-icon {
    margin-left: auto;
    padding-left: 0.5rem;
}

/* Submenu */
.has-submenu .nav-link {
    justify-content: space-between;
}

.submenu-icon {
    font-size: 0.75rem;
    transition: var(--transition);
}

.has-submenu.active .submenu-icon {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
    transition: max-height 0.3s ease;
}

.has-submenu.active .submenu {
    max-height: 300px;
}

.submenu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem 0.75rem 3rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.submenu a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.user-avatar {
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    color: white;
}

.user-role {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
}

.logout-btn:hover {
    background: rgba(231, 76, 60, 0.8);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header (30% Dark Blue) */
.header {
    background: var(--color-secondary);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
    color: white;
    background: var(--color-primary);
}

.lang-separator {
    color: rgba(255, 255, 255, 0.3);
}

.workshop-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Page Content (60% White/Light Gray) */
.page-content {
    flex: 1;
    padding: 2rem;
    background: var(--color-bg);
}

/* Flash Messages */
.flash-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    animation: slideIn 0.3s ease;
}

.flash-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.flash-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.5;
}

.flash-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

/* Cards */
.card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-bg-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h3 i {
    color: var(--color-primary);
}

.card-body {
    padding: 1.5rem;
}

.dashboard-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.3);
}

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

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

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

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

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

.btn-success:hover {
    background: #219a52;
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-link {
    background: none;
    color: var(--color-primary);
    padding: 0;
}

.btn-link:hover {
    color: var(--color-primary-dark);
}

/* Forms */
.form-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-bg-gray);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary);
}

.form-section h3 i {
    color: var(--color-primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-bg-gray);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
}

.form-control:disabled {
    background: var(--color-bg-light);
    cursor: not-allowed;
}

select.form-control {
    cursor: pointer;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group .form-control {
    flex: 1;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-label:hover {
    background: var(--color-bg-gray);
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--color-primary);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-bg-gray);
}

/* Tables */
.table-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-bg-gray);
}

.data-table th {
    background: var(--color-bg-light);
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.data-table tbody tr {
    transition: var(--transition);
}

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

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-badge-small {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Filters */
.filters-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.filters-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.filter-actions {
    display: flex;
    gap: 0.5rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

/* Ticket Detail Grid */
.ticket-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.ticket-main-info,
.ticket-side-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Info Cards */
.info-card {
    background: var(--color-bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.info-card .card-header {
    background: var(--color-bg-light);
    padding: 1rem 1.25rem;
}

.info-card .card-header h3 {
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-card .card-header h3 i {
    color: var(--color-primary);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--color-bg-light);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 500;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.info-value {
    font-weight: 600;
    color: var(--color-text);
    text-align: right;
}

.info-value.highlight {
    color: var(--color-primary);
    font-size: 1.1rem;
}

/* User Badges - Technicien, Creator, etc. */
.user-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.user-badge i {
    font-size: 0.8rem;
}

.user-badge.technician {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border: 1px solid #60a5fa;
}

.user-badge.unassigned {
    background: #f3f4f6;
    color: #6b7280;
    border: 1px solid #d1d5db;
}

.user-badge.creator {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border: 1px solid #fbbf24;
}

.user-badge.delivered {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 1px solid #34d399;
}

/* QR Card */
.qr-card {
    text-align: center;
}

.qr-image {
    max-width: 200px;
    margin: 0 auto;
}

.qr-text {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-bg-gray);
}

.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}

.timeline-marker {
    position: absolute;
    left: -1.25rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--color-bg-gray);
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.timeline-status {
    font-weight: 600;
    color: var(--color-text);
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.timeline-by {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.timeline-notes {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
    font-style: italic;
}

/* Status List */
.status-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
}

/* Ticket List */
.ticket-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ticket-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.ticket-main {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ticket-number {
    font-weight: 600;
    color: var(--color-secondary);
}

.ticket-customer {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.ticket-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.ticket-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Customer List */
.customer-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.customer-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.customer-avatar {
    font-size: 2rem;
    color: var(--color-text-muted);
}

.customer-info {
    display: flex;
    flex-direction: column;
}

.customer-name {
    font-weight: 600;
    color: var(--color-text);
}

.customer-phone {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Customer Display */
.customer-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    background: #e3f2fd;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

/* Table Cells */
.customer-cell,
.device-cell {
    display: flex;
    flex-direction: column;
}

.customer-cell small,
.device-cell small {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.device-cell {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.device-cell i {
    color: var(--color-primary);
}

.ticket-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.ticket-link:hover {
    text-decoration: underline;
}

/* Accessories */
.accessories-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.accessory-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .action-buttons,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page-content {
        padding: 0;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .ticket-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-content {
        padding: 1rem;
    }
    
    .header {
        padding: 1rem;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .filters-form {
        grid-template-columns: 1fr;
    }
    
    .filter-actions {
        flex-direction: row;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-monospace { font-family: monospace; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.w-100 { width: 100%; }

/* Alert */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-info {
    background: #e3f2fd;
    color: #0d47a1;
}

/* HR */
hr {
    border: none;
    border-top: 1px solid var(--color-bg-gray);
    margin: 1.5rem 0;
}