/* Variables CSS */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --sidebar-width: 260px;
    --topbar-height: 64px;
    
    --transition-fast: 150ms;
    --transition-normal: 300ms;
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ============ LOGIN PAGE ============ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 16px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 32px 24px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

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

.login-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.login-form input {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color var(--transition-fast);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.error-message {
    color: var(--danger-color);
    font-size: 13px;
    margin-bottom: 16px;
    min-height: 18px;
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    transform: translateX(0);
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.sidebar-header .user-info {
    font-size: 11px;
    color: var(--text-secondary);
    word-break: break-word;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    font-size: 14px;
    min-height: 48px;
}

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

.nav-item.active {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    font-weight: 500;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
}

.nav-item .icon {
    margin-right: 12px;
    font-size: 18px;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--danger-color);
    color: white;
    border-radius: 10px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    display: none;
    align-items: center;
    justify-content: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

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

.topbar {
    height: var(--topbar-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar h2 {
    font-size: 20px;
    color: var(--text-primary);
}

.topbar-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    color: var(--text-primary);
    min-width: 44px;
    min-height: 44px;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    gap: 8px;
    min-height: 48px;
    white-space: nowrap;
    text-align: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

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

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

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

.btn-sm {
    padding: 10px 16px;
    font-size: 13px;
    min-height: 40px;
}

.btn-lg {
    padding: 16px 28px;
    font-size: 16px;
    min-height: 56px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 12px;
    min-width: 48px;
}

/* ============ CARDS ============ */
.card {
    background: var(--bg-primary);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* Stats cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-icon.primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

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

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-word;
}

/* ============ TABLES ============ */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -20px;
    padding: 0 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

thead {
    background: var(--bg-secondary);
}

th {
    padding: 12px 10px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

td {
    padding: 14px 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 13px;
}

tr:hover {
    background: var(--bg-secondary);
}

.table-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* ============ FORMS ============ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group.required label::after {
    content: ' *';
    color: var(--danger-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color var(--transition-fast);
    background: var(--bg-primary);
    min-height: 48px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-tertiary);
    font-size: 12px;
    line-height: 1.4;
}

.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.form-row > * {
    flex: 1;
    min-width: 200px;
}

/* ============ MODALS ============ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-primary);
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    word-break: break-word;
    flex: 1;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.modal-close:hover {
    background: var(--bg-secondary);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

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

/* ============ FILTERS ============ */
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.filter-group {
    min-width: 0;
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    background: var(--bg-primary);
    min-height: 48px;
}

/* ============ NOTIFICATIONS ============ */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    max-width: 400px;
    z-index: 3000;
    transform: translateX(500px);
    transition: transform var(--transition-normal);
    word-break: break-word;
}

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

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

.notification-error {
    border-left-color: var(--danger-color);
}

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

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

/* ============ LOADER ============ */
.loader {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 4000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

/* Overlay para cerrar sidebar en móvil */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.sidebar-overlay.active {
    display: block;
}

/* ============ RESPONSIVE 768px - TABLETS ============ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .topbar {
        padding: 0 16px;
        height: 56px;
    }
    
    .topbar h2 {
        font-size: 16px;
    }
    
    .mobile-menu-toggle {
        display: flex;
        margin-right: 8px;
    }
    
    .topbar-actions {
        gap: 8px;
    }
    
    .topbar-actions .btn {
        padding: 10px 16px;
        font-size: 13px;
        min-height: 40px;
    }
    
    .content {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-value {
        font-size: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-row > * {
        min-width: 100%;
    }
    
    .filters {
        grid-template-columns: 1fr;
    }
    
    .modal {
        max-width: 100%;
        border-radius: 12px;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .modal-footer {
        flex-direction: column-reverse;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    .table-container {
        margin: 0 -16px;
        padding: 0 16px;
    }
    
    table {
        font-size: 12px;
    }
    
    th, td {
        padding: 10px 8px;
    }
    
    .table-actions {
        flex-direction: column;
        gap: 4px;
        width: 100%;
    }
    
    .table-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .card {
        margin-left: -16px;
        margin-right: -16px;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: 16px;
    }
    
    .notification {
        left: 16px;
        right: 16px;
        top: 16px;
        max-width: none;
    }
    
    .login-card {
        padding: 24px 20px;
    }
    
    .login-header h1 {
        font-size: 20px;
    }
}

/* ============ RESPONSIVE 480px - MÓVILES GRANDES ============ */
@media (max-width: 480px) {
    :root {
        --topbar-height: 56px;
    }
    
    body {
        font-size: 14px;
    }
    
    /* Login */
    .login-page {
        padding: 12px;
    }
    
    .login-card {
        padding: 20px 16px;
        border-radius: 8px;
    }
    
    .login-header {
        margin-bottom: 24px;
    }
    
    .login-header h1 {
        font-size: 18px;
    }
    
    .login-header p {
        font-size: 13px;
    }
    
    /* Sidebar móvil */
    .sidebar {
        width: 85vw;
        max-width: 300px;
    }
    
    .sidebar-header {
        padding: 16px;
    }
    
    .sidebar-header h1 {
        font-size: 16px;
    }
    
    .nav-item {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .nav-item .icon {
        font-size: 16px;
    }
    
    .sidebar-footer {
        padding: 12px;
    }
    
    /* Topbar */
    .topbar {
        height: 56px;
        padding: 0 12px;
    }
    
    .topbar h2 {
        font-size: 15px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .mobile-menu-toggle {
        margin-right: 4px;
        padding: 6px;
    }
    
    .topbar-actions {
        gap: 6px;
    }
    
    .topbar-actions .btn {
        padding: 8px 12px;
        font-size: 12px;
        min-height: 36px;
    }
    
    /* Content */
    .content {
        padding: 12px;
    }
    
    /* Stats */
    .stats-grid {
        gap: 12px;
        margin-bottom: 16px;
    }
    
    .stat-card {
        padding: 12px;
        gap: 12px;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    /* Cards */
    .card {
        margin-left: -12px;
        margin-right: -12px;
        margin-bottom: 16px;
    }
    
    .card-header {
        padding: 12px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-header h3 {
        font-size: 15px;
        width: 100%;
    }
    
    .card-header .btn {
        width: 100%;
        margin-top: 8px;
    }
    
    .card-body {
        padding: 12px;
    }
    
    .card-footer {
        padding: 12px;
    }
    
    /* Buttons */
    .btn {
        padding: 12px 16px;
        font-size: 14px;
        border-radius: 8px;
    }
    
    .btn-sm {
        padding: 8px 12px;
        font-size: 12px;
        min-height: 36px;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: 14px;
    }
    
    .form-group label {
        margin-bottom: 6px;
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea,
    .filter-group input,
    .filter-group select {
        padding: 12px;
        font-size: 16px;
        border-radius: 8px;
    }
    
    .form-grid {
        gap: 12px;
    }
    
    /* Filters */
    .filters {
        gap: 10px;
        margin-bottom: 16px;
    }
    
    /* Modals */
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }
    
    .modal {
        max-height: 95vh;
        border-radius: 16px 16px 0 0;
        max-width: 100%;
    }
    
    .modal-header {
        padding: 16px;
    }
    
    .modal-header h3 {
        font-size: 16px;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .modal-footer {
        padding: 12px 16px;
        gap: 8px;
    }
    
    .modal-footer .btn {
        min-height: 48px;
    }
    
    /* Tables */
    .table-container {
        margin: 0 -12px;
        padding: 0 12px;
    }
    
    table {
        font-size: 11px;
        min-width: 500px;
    }
    
    th {
        padding: 8px 6px;
        font-size: 10px;
    }
    
    td {
        padding: 10px 6px;
        font-size: 11px;
    }
    
    .table-actions {
        gap: 4px;
        min-width: 80px;
    }
    
    .table-actions .btn-sm {
        padding: 6px 10px;
        font-size: 11px;
        min-height: 32px;
    }
    
    /* Badges */
    .badge {
        padding: 3px 8px;
        font-size: 10px;
    }
    
    /* Notifications */
    .notification {
        left: 12px;
        right: 12px;
        top: 12px;
        padding: 12px 16px;
        font-size: 13px;
    }
}

/* ============ RESPONSIVE 375px - MÓVILES MEDIANOS (iPhone SE, 6, 7, 8) ============ */
@media (max-width: 375px) {
    .login-card {
        padding: 16px 12px;
    }
    
    .login-header h1 {
        font-size: 17px;
    }
    
    .topbar h2 {
        font-size: 14px;
    }
    
    .topbar-actions .btn {
        padding: 6px 10px;
        font-size: 11px;
        min-height: 32px;
    }
    
    .content {
        padding: 10px;
    }
    
    .stat-card {
        padding: 10px;
    }
    
    .stat-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .stat-value {
        font-size: 16px;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: 10px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
    }
}

/* ============ RESPONSIVE 320px - MÓVILES PEQUEÑOS (iPhone 5/SE) ============ */
@media (max-width: 320px) {
    .login-page {
        padding: 8px;
    }
    
    .login-card {
        padding: 14px 10px;
    }
    
    .login-header h1 {
        font-size: 16px;
    }
    
    .login-header p {
        font-size: 12px;
    }
    
    .sidebar {
        width: 90vw;
    }
    
    .topbar {
        padding: 0 8px;
    }
    
    .topbar h2 {
        font-size: 13px;
    }
    
    .mobile-menu-toggle {
        font-size: 20px;
        min-width: 36px;
        min-height: 36px;
    }
    
    .topbar-actions .btn {
        padding: 6px 8px;
        font-size: 11px;
        min-height: 32px;
    }
    
    .content {
        padding: 8px;
    }
    
    .stats-grid {
        gap: 8px;
    }
    
    .stat-card {
        padding: 8px;
        gap: 8px;
    }
    
    .stat-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    .stat-value {
        font-size: 15px;
    }
    
    .card {
        margin-left: -8px;
        margin-right: -8px;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: 8px;
    }
    
    .card-header h3 {
        font-size: 14px;
    }
    
    .btn {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 14px;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 12px;
    }
    
    .table-container {
        margin: 0 -8px;
        padding: 0 8px;
    }
    
    table {
        min-width: 450px;
    }
    
    th, td {
        padding: 8px 4px;
        font-size: 10px;
    }
    
    .notification {
        left: 8px;
        right: 8px;
        top: 8px;
        padding: 10px 12px;
        font-size: 12px;
    }
}

/* ============ LANDSCAPE MÓVIL ============ */
@media (max-width: 768px) and (orientation: landscape) {
    .modal {
        max-height: 95vh;
    }
    
    .sidebar {
        width: 240px;
    }
    
    .content {
        padding: 12px 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

/* ============ TOUCH IMPROVEMENTS ============ */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-item,
    .form-group input,
    .form-group select,
    .filter-group input,
    .filter-group select {
        min-height: 48px;
    }
    
    .btn-sm,
    .table-actions .btn {
        min-height: 40px;
    }
    
    .modal-close,
    .mobile-menu-toggle {
        min-width: 48px;
        min-height: 48px;
    }
}

/* ============ UTILITY CLASSES ============ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-muted { color: var(--text-secondary); }

.fw-bold { font-weight: 700; }
.fw-medium { font-weight: 500; }

/* Hide on mobile */
.hide-mobile {
    display: block;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
}

/* Show only on mobile */
.show-mobile {
    display: none;
}

@media (max-width: 768px) {
    .show-mobile {
        display: block;
    }
}

/* ============ MEJORAS PARA TABLAS EN MÓVIL ============ */
@media (max-width: 768px) {
    /* Hacer que las tablas sean más compactas */
    table {
        min-width: 100%;
        font-size: 12px;
    }
    
    th {
        padding: 8px 6px;
        font-size: 10px;
    }
    
    td {
        padding: 10px 6px;
        font-size: 12px;
        word-wrap: break-word;
    }
    
    /* Ocultar columnas en móvil con clase hide-mobile */
    .hide-mobile {
        display: none !important;
    }
    
    /* Mostrar solo en móvil */
    .show-mobile {
        display: block !important;
    }
    
    /* Ajustar ancho de botones en tabla */
    .table-actions {
        min-width: 100px;
    }
    
    .table-actions .btn-sm {
        padding: 6px 8px;
        min-width: 32px;
        font-size: 12px;
    }
    
    /* Topbar actions más compacto */
    .topbar-actions .hide-mobile {
        display: none;
    }
    
    /* Cards más compactos */
    .card-header {
        flex-direction: row;
        align-items: center;
    }
    
    .card-header .btn {
        width: auto;
        margin-top: 0;
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    /* Tablas ultra compactas */
    table {
        font-size: 11px;
    }
    
    th {
        padding: 6px 4px;
        font-size: 9px;
    }
    
    td {
        padding: 8px 4px;
        font-size: 11px;
    }
    
    .table-actions .btn-sm {
        padding: 4px 6px;
        min-width: 28px;
        font-size: 11px;
    }
    
    /* Badges más pequeños */
    .badge {
        padding: 2px 6px;
        font-size: 9px;
    }
}

@media (max-width: 375px) {
    table {
        font-size: 10px;
    }
    
    th, td {
        padding: 6px 3px;
    }
    
    .table-actions .btn-sm {
        padding: 4px;
        min-width: 24px;
    }
}