/* =====================================================
   Pavlova RD - Estilos Globales
   Paleta: Frambuesa + Crema + Blanco calido
   ===================================================== */

:root {
    --color-primario: #C81E3A;
    --color-primario-oscuro: #A01830;
    --color-primario-claro: #F79BA8;
    --color-primario-bg: #FEF2F4;

    --color-crema: #F7F1F2;
    --color-crema-claro: #FBF7F8;
    --color-blanco: #FFFFFF;

    --color-exito: #10B981;
    --color-exito-bg: #D1FAE5;
    --color-advertencia: #F59E0B;
    --color-advertencia-bg: #FEF3C7;
    --color-error: #EF4444;
    --color-error-bg: #FEE2E2;
    --color-info: #3B82F6;
    --color-info-bg: #DBEAFE;

    --color-texto: #2E2E2E;
    --color-texto-claro: #7A7A7A;
    --color-texto-mas-claro: #8A8A8A;
    --color-borde: #E5E7EB;
    --color-borde-claro: #F3F4F6;

    --sidebar-ancho: 260px;
    --navbar-altura: 64px;

    --radio-sm: 0.5rem;
    --radio-md: 0.75rem;
    --radio-lg: 1rem;
    --radio-xl: 1.5rem;

    --sombra-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --sombra-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --sombra-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);

    --transicion: all 0.2s ease;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--color-texto);
    background-color: var(--color-crema);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-primario);
    text-decoration: none;
    transition: var(--transicion);
}

a:hover {
    color: var(--color-primario-oscuro);
}

/* ---- Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-altura);
    background: var(--color-blanco);
    border-bottom: 1px solid var(--color-borde-claro);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 1000;
    box-shadow: var(--sombra-sm);
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-texto);
    font-weight: 600;
}

.navbar-brand:hover {
    color: var(--color-primario);
}

.navbar-logo {
    width: 38px;
    height: 38px;
    border-radius: var(--radio-md);
    object-fit: cover;
}

.navbar-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primario);
}

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

.navbar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.2;
}

.navbar-user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-texto);
}

.navbar-user-role {
    font-size: 0.75rem;
    color: var(--color-texto-claro);
}

.navbar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primario-bg);
    color: var(--color-primario);
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-logout {
    width: 36px;
    height: 36px;
    border-radius: var(--radio-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-texto-claro);
    transition: var(--transicion);
}

.navbar-logout:hover {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-texto);
    padding: 0.25rem;
}

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: var(--navbar-altura);
    left: 0;
    bottom: 0;
    width: var(--sidebar-ancho);
    background: var(--color-blanco);
    border-right: 1px solid var(--color-borde-claro);
    display: flex;
    flex-direction: column;
    z-index: 900;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--color-borde-claro);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radio-md);
    object-fit: cover;
}

.sidebar-brand {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primario);
    line-height: 1.2;
}

.sidebar-subtitle {
    font-size: 0.7rem;
    color: var(--color-texto-claro);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem;
    overflow-y: auto;
}

.sidebar-group {
    margin-top: 0.75rem;
}

.sidebar-group-title {
    display: block;
    padding: 0.5rem 0.75rem 0.25rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-texto-mas-claro);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radio-md);
    color: var(--color-texto);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transicion);
    margin-bottom: 2px;
}

.sidebar-link:hover {
    background: var(--color-crema);
    color: var(--color-primario);
}

.sidebar-link.active {
    background: var(--color-primario-bg);
    color: var(--color-primario);
    font-weight: 600;
}

.sidebar-link.active .sidebar-icon {
    color: var(--color-primario);
}

.sidebar-icon {
    display: flex;
    align-items: center;
    color: var(--color-texto-claro);
    flex-shrink: 0;
}

.sidebar-link:hover .sidebar-icon,
.sidebar-link.active .sidebar-icon {
    color: var(--color-primario);
}

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

.sidebar-user-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radio-md);
    background: var(--color-crema);
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primario-bg);
    color: var(--color-primario);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-user-details {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    overflow: hidden;
}

.sidebar-user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-texto);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.7rem;
    color: var(--color-texto-claro);
}

/* ---- Sidebar Collapsible Sub-groups ---- */
.sidebar-subgroup {
    margin-bottom: 2px;
}

.sidebar-subgroup-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radio-md);
    color: var(--color-texto);
    font-size: 0.875rem;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transicion);
    font-family: inherit;
    text-align: left;
    margin-bottom: 2px;
}

.sidebar-subgroup-toggle:hover {
    background: var(--color-crema);
    color: var(--color-primario);
}

.sidebar-subgroup-toggle:hover .sidebar-icon {
    color: var(--color-primario);
}

.sidebar-chevron {
    display: flex;
    align-items: center;
    margin-left: auto;
    transition: transform 0.2s ease;
    color: var(--color-texto-mas-claro);
}

.sidebar-subgroup.open .sidebar-chevron {
    transform: rotate(90deg);
}

.sidebar-subgroup-items {
    display: none;
    padding-left: 0.5rem;
}

.sidebar-subgroup.open .sidebar-subgroup-items {
    display: block;
}

.sidebar-sublink {
    font-size: 0.825rem !important;
    padding: 0.45rem 0.75rem !important;
}

.sidebar-sublink .sidebar-icon {
    opacity: 0.7;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 800;
}

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-ancho);
    margin-top: var(--navbar-altura);
    padding: 1.5rem 2rem;
    min-height: calc(100vh - var(--navbar-altura));
}

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

.content-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-texto);
}

.content-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ---- Cards ---- */
.card {
    background: var(--color-blanco);
    border-radius: var(--radio-xl);
    box-shadow: var(--sombra-sm);
    border: 1px solid var(--color-borde-claro);
    overflow: hidden;
    transition: var(--transicion);
}

.card:hover {
    box-shadow: var(--sombra-md);
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-borde-claro);
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-borde-claro);
    background: var(--color-crema-claro);
}

/* ---- Stats Cards (Dashboard) ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--color-blanco);
    border-radius: var(--radio-xl);
    padding: 1.25rem;
    box-shadow: var(--sombra-sm);
    border: 1px solid var(--color-borde-claro);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--transicion);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radio-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.primario { background: var(--color-primario-bg); color: var(--color-primario); }
.stat-icon.exito { background: var(--color-exito-bg); color: var(--color-exito); }
.stat-icon.advertencia { background: var(--color-advertencia-bg); color: var(--color-advertencia); }
.stat-icon.info { background: var(--color-info-bg); color: var(--color-info); }
.stat-icon.error { background: var(--color-error-bg); color: var(--color-error); }

.stat-info {
    flex: 1;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-texto);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-texto-claro);
    margin-top: 0.15rem;
}

.stat-change {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.stat-change.positive { color: var(--color-exito); }
.stat-change.negative { color: var(--color-error); }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radio-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transicion);
    white-space: nowrap;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--color-primario-oscuro);
    color: white;
    box-shadow: 0 4px 12px rgba(200, 30, 58, 0.3);
}

.btn-secondary {
    background: var(--color-crema);
    color: var(--color-texto);
    border: 1px solid var(--color-borde);
}

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

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

.btn-success:hover {
    background: #059669;
    color: white;
}

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

.btn-danger:hover {
    background: #DC2626;
    color: white;
}

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

.btn-warning:hover {
    background: #D97706;
    color: white;
}

.btn-info {
    background: #2563eb;
    color: white;
}

.btn-info:hover {
    background: #1d4ed8;
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--color-primario);
    border: 1.5px solid var(--color-primario);
}

.btn-outline:hover {
    background: var(--color-primario);
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: var(--radio-sm);
}

.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radio-sm);
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-primary { background: var(--color-primario-bg); color: var(--color-primario); }
.badge-success { background: var(--color-exito-bg); color: #065F46; }
.badge-warning { background: var(--color-advertencia-bg); color: #92400E; }
.badge-danger { background: var(--color-error-bg); color: #991B1B; }
.badge-info { background: var(--color-info-bg); color: #1E40AF; }
.badge-secondary { background: var(--color-borde-claro); color: var(--color-texto-claro); }

/* ---- Tables ---- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radio-xl);
    background: var(--color-blanco);
    box-shadow: var(--sombra-sm);
    border: 1px solid var(--color-borde-claro);
}

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

.table thead {
    background: var(--color-crema-claro);
}

.table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-texto-claro);
    border-bottom: 1px solid var(--color-borde);
}

.table td {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--color-borde-claro);
    vertical-align: middle;
}

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

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

.table-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1.5px solid var(--color-borde);
    border-radius: var(--radio-md);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--color-texto);
    background: var(--color-blanco);
    transition: var(--transicion);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(200, 30, 58, 0.1);
}

.form-control::placeholder {
    color: var(--color-texto-mas-claro);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237A7A7A' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

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

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

.form-hint {
    font-size: 0.75rem;
    color: var(--color-texto-claro);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--color-error);
    margin-top: 0.25rem;
}

/* ---- Alerts ---- */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radio-md);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    position: relative;
    animation: slideDown 0.3s ease;
}

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

.alert-success { background: var(--color-exito-bg); color: #065F46; border-left: 4px solid var(--color-exito); }
.alert-danger { background: var(--color-error-bg); color: #991B1B; border-left: 4px solid var(--color-error); }
.alert-warning { background: var(--color-advertencia-bg); color: #92400E; border-left: 4px solid var(--color-advertencia); }
.alert-info { background: var(--color-info-bg); color: #1E40AF; border-left: 4px solid var(--color-info); }

.alert-icon {
    display: flex;
    flex-shrink: 0;
}

.alert-close {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.6;
    color: inherit;
    line-height: 1;
}

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

/* ---- Login Page ---- */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-crema) 0%, var(--color-crema-claro) 100%);
    padding: 1rem;
}

.login-card {
    background: var(--color-blanco);
    border-radius: var(--radio-xl);
    box-shadow: var(--sombra-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--color-borde-claro);
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.login-logo img {
    width: 120px;
    height: auto;
    border-radius: var(--radio-lg);
}

.login-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-texto);
    margin-bottom: 0.25rem;
}

.login-subtitle {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-texto-claro);
    margin-bottom: 2rem;
}

.login-form .form-control {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
}

.login-form .btn {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

/* ---- Empty States ---- */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--color-texto-claro);
}

.empty-state-icon {
    margin-bottom: 1rem;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.875rem;
    max-width: 400px;
    margin: 0 auto;
}

/* ---- Quick Actions Grid ---- */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.quick-action-card {
    background: var(--color-blanco);
    border-radius: var(--radio-xl);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--sombra-sm);
    border: 1px solid var(--color-borde-claro);
    cursor: pointer;
    transition: var(--transicion);
    color: var(--color-texto);
    display: block;
}

.quick-action-card:hover {
    box-shadow: var(--sombra-md);
    transform: translateY(-2px);
    border-color: var(--color-primario-claro);
    color: var(--color-primario);
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radio-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    background: var(--color-primario-bg);
    color: var(--color-primario);
}

.quick-action-label {
    font-size: 0.85rem;
    font-weight: 600;
}

/* ---- Activity List ---- */
.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-borde-claro);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 0.4rem;
    flex-shrink: 0;
}

.activity-dot.primario { background: var(--color-primario); }
.activity-dot.exito { background: var(--color-exito); }
.activity-dot.advertencia { background: var(--color-advertencia); }
.activity-dot.info { background: var(--color-info); }

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: 0.85rem;
    color: var(--color-texto);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--color-texto-claro);
    margin-top: 0.1rem;
}

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radio-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-texto);
    transition: var(--transicion);
}

.pagination a:hover {
    background: var(--color-crema);
    color: var(--color-primario);
}

.pagination .active {
    background: var(--color-primario);
    color: white;
}

/* ---- Modal / Dialog ---- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

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

.modal {
    background: var(--color-blanco);
    border-radius: var(--radio-xl);
    box-shadow: var(--sombra-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-texto-claro);
    padding: 0.25rem;
}

.modal-close:hover {
    color: var(--color-texto);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-borde-claro);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .sidebar-toggle {
        display: flex;
    }

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

    .navbar-user-info {
        display: none;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: 1rem;
    }

    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 1.5rem;
    }
}

/* ---- Utilities ---- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-texto-claro); }
.text-primary { color: var(--color-primario); }
.text-success { color: var(--color-exito); }
.text-danger { color: var(--color-error); }
.text-warning { color: var(--color-advertencia); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.w-full { width: 100%; }