/* =============================================
   PLATAFORMA GABINETE MÉDICO
   Design System: Teal + Noto Sans + Figtree
   Accesible para usuarios mayores con poca
   experiencia tecnológica.
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
    --primary:        #53D4FF;
    --primary-dark:   #1FA8D8;
    --primary-light:  #D6F2FF;
    --secondary:      #7EDDF7;
    --accent:         #059669;
    --accent-dark:    #047857;
    --danger:         #DC2626;
    --warning:        #D97706;
    --success:        #059669;

    --bg-page:        #F0FBFF;
    --bg-card:        #FFFFFF;
    --bg-muted:       #E4F5FE;

    --text-primary:   #0C4A6E;
    --text-secondary: #475569;
    --text-muted:     #64748B;
    --text-on-primary:#FFFFFF;

    --border-color:   #B5E8FA;
    --border-radius:  12px;
    --border-radius-sm: 8px;

    --shadow-card:    0 2px 12px rgba(31, 168, 216, 0.12);
    --shadow-navbar:  0 2px 16px rgba(31, 168, 216, 0.22);

    --font-heading:   'Figtree', 'Noto Sans', sans-serif;
    --font-body:      'Noto Sans', 'Figtree', sans-serif;

    --space-xs:  4px;
    --space-sm:  8px;
    --space-md:  16px;
    --space-lg:  24px;
    --space-xl:  32px;
    --space-2xl: 48px;

    --navbar-height-top: 68px;
    --navbar-height-bottom: 60px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Skip link para accesibilidad */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 9999;
    border-radius: 0 0 8px 0;
    font-size: 1rem;
}
.skip-link:focus { top: 0; }

/* ---------- Tipografía ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p, td, th, label, input, select, textarea {
    font-size: 1rem;
    font-family: var(--font-body);
}

.text-muted { color: var(--text-muted) !important; }
.text-primary-gab { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }

/* ---------- Navbar Superior ---------- */
.gab-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--primary);
}

.gab-navbar-top {
    background: var(--primary);
    box-shadow: var(--shadow-navbar);
    padding: 0 var(--space-lg);
    height: var(--navbar-height-top);
    display: flex;
    align-items: center;
}

.gab-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: var(--space-sm);
    color: #fff;
}
.gab-brand:hover { color: var(--primary-light); }

.gab-brand-icon {
    font-size: 2rem;
    color: var(--primary-light);
}

.gab-brand-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
}

.gab-session {
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255,255,255,0.92);
}
.gab-session-icon { font-size: 1.7rem; color: var(--primary-light); }
.gab-session-name {
    font-size: 0.95rem;
    font-weight: 500;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gab-btn-logout {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.4);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 6px 16px;
    transition: background 0.2s;
}
.gab-btn-logout:hover {
    background: rgba(255,255,255,0.28);
    color: #fff;
}

.gab-menu-toggle {
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    font-size: 1.7rem;
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}
.gab-menu-toggle:hover { background: rgba(255,255,255,0.28); }

/* ---------- Barra de Módulos (desktop) ---------- */
.gab-navbar-bottom {
    background: var(--primary-dark);
    padding: 0 var(--space-md);
    min-height: var(--navbar-height-bottom);
}

.gab-menu {
    display: flex;
    align-items: stretch;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
}

.gab-menu > li {
    flex: 1;
}

.gab-menu > li > a,
.gab-menu > li > span {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 10px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
    width: 100%;
    text-align: center;
}

.gab-menu > li > a .mdi,
.gab-menu > li > span .mdi {
    font-size: 1.5rem;
    display: block;
}

.gab-menu > li > a:hover,
.gab-menu > li > span:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.gab-menu > li > a.active,
.gab-menu > li > a.gab-active {
    background: rgba(255,255,255,0.22);
    color: #fff;
    box-shadow: inset 0 -3px 0 #fff;
}

/* Submenú dropdown */
.gab-menu > li { position: relative; }
.gab-submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    min-width: 220px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 200;
    padding: 8px 0;
}
.gab-menu > li:hover .gab-submenu { display: block; }
.gab-submenu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.15s;
}
.gab-submenu a:hover { background: var(--bg-muted); color: var(--primary); }

/* ---------- Menú Móvil ---------- */
.gab-mobile-menu {
    background: var(--primary-dark);
    padding: var(--space-md);
    border-top: 1px solid rgba(255,255,255,0.12);
}
.gab-mobile-menu.open { display: block !important; }

.gab-menu-mobile {
    list-style: none;
    margin: 0 0 var(--space-md) 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.gab-menu-mobile li a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 14px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 1.05rem;
    font-weight: 600;
    transition: background 0.18s;
}
.gab-menu-mobile li a .mdi { font-size: 1.4rem; }
.gab-menu-mobile li a:hover,
.gab-menu-mobile li a.gab-active { background: rgba(255,255,255,0.18); color: #fff; }

.gab-mobile-session {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--space-md);
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    display: flex;
    flex-direction: column;
}
.gab-btn-logout-mobile {
    background: rgba(255,255,255,0.15);
    border: 1.5px solid rgba(255,255,255,0.4);
    color: #fff;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    padding: 12px;
    font-size: 1rem;
    transition: background 0.2s;
}
.gab-btn-logout-mobile:hover { background: rgba(255,255,255,0.28); color: #fff; }

/* ---------- Contenedor principal ---------- */
.gab-content {
    padding: var(--space-xl) var(--space-lg);
    min-height: calc(100vh - var(--navbar-height-top) - var(--navbar-height-bottom) - 64px);
}

.page-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--border-color);
}

.page-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
    margin: 0;
}

.page-title .mdi {
    font-size: 1.8rem;
    color: var(--primary);
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

/* ---------- Cards ---------- */
.gab-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.gab-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.gab-card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.gab-card-title .mdi {
    color: var(--primary);
    font-size: 1.4rem;
}

.gab-card-section-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
}

/* ---------- Stat Cards (Dashboard) ---------- */
.gab-stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    text-decoration: none;
    transition: box-shadow 0.2s, transform 0.15s;
}
.gab-stat-card:hover {
    box-shadow: 0 6px 24px rgba(31, 168, 216, 0.22);
    transform: translateY(-2px);
}

.gab-stat-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.gab-stat-icon .mdi { font-size: 2rem; color: #fff; }

.gab-stat-icon.primary   { background: var(--primary); }
.gab-stat-icon.accent    { background: var(--accent); }
.gab-stat-icon.warning   { background: var(--warning); }
.gab-stat-icon.secondary { background: var(--secondary); }

.gab-stat-content { flex: 1; min-width: 0; }
.gab-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.gab-stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

/* ---------- Botones ---------- */
.btn {
    min-height: 44px;
    padding: 10px 22px;
    font-size: 0.98rem;
    font-weight: 600;
    font-family: var(--font-heading);
    border-radius: var(--border-radius-sm);
    transition: background 0.2s, box-shadow 0.2s, transform 0.12s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    text-decoration: none;
}
.btn:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

.btn-success {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-success:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}
.btn-danger:hover { opacity: 0.88; color: #fff; }

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.btn-outline-secondary {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
}
.btn-outline-secondary:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}

.btn-lg {
    min-height: 52px;
    padding: 13px 28px;
    font-size: 1.05rem;
}

.btn-sm {
    min-height: 36px;
    padding: 6px 14px;
    font-size: 0.85rem;
}

/* ---------- Formularios ---------- */
.form-label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 6px;
    display: block;
}

.form-control, .form-select {
    height: 48px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    background: #fff;
    padding: 10px 14px;
    transition: border-color 0.18s, box-shadow 0.18s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 168, 216, 0.22);
    outline: none;
}

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

.form-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.invalid-feedback {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--danger);
}

.form-group { margin-bottom: var(--space-lg); }

.required-mark { color: var(--danger); margin-left: 3px; }

/* ---------- Tablas ---------- */
.gab-table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.gab-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    font-size: 0.97rem;
}

.gab-table thead tr {
    background: var(--primary);
    color: #fff;
}

.gab-table thead th {
    padding: 14px 16px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    border: none;
}

.gab-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}
.gab-table tbody tr:hover { background: var(--bg-page); }
.gab-table tbody tr:last-child { border-bottom: none; }

.gab-table tbody td {
    padding: 14px 16px;
    color: var(--text-primary);
    vertical-align: middle;
}

/* Fila de filtros bajo el thead */
.gab-table .filter-row th {
    background: var(--bg-muted);
    padding: 8px 10px;
}

.input-filter {
    width: 100%;
    height: 36px;
    padding: 4px 10px;
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: #fff;
}
.input-filter:focus {
    border-color: var(--primary);
    outline: none;
}

/* ---------- Badges / Estados ---------- */
.gab-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}
.gab-badge .mdi { font-size: 1rem; }

.gab-badge-success { background: #D1FAE5; color: #065F46; }
.gab-badge-warning { background: #FEF3C7; color: #92400E; }
.gab-badge-danger  { background: #FEE2E2; color: #991B1B; }
.gab-badge-primary { background: var(--primary-light); color: var(--primary-dark); }
.gab-badge-muted   { background: var(--bg-muted); color: var(--text-muted); }

/* ---------- Paginación ---------- */
.gab-pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
    padding: var(--space-lg) 0 var(--space-sm);
    flex-wrap: wrap;
}
.gab-pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}
.gab-pagination a:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}
.gab-pagination a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ---------- Acciones de tabla ---------- */
.table-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* ---------- Modal ---------- */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.modal-header {
    background: var(--primary);
    color: #fff;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: var(--space-lg);
    border-bottom: none;
}
.modal-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.modal-header .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.85;
}
.modal-body { padding: var(--space-lg); }
.modal-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color);
    gap: var(--space-sm);
}

/* ---------- Alertas ---------- */
.gab-alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.98rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}
.gab-alert .mdi { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.gab-alert-info    { background: #D6F2FF; color: #0C4A6E; }
.gab-alert-success { background: #D1FAE5; color: #065F46; }
.gab-alert-warning { background: #FEF3C7; color: #92400E; }
.gab-alert-danger  { background: #FEE2E2; color: #991B1B; }

/* ---------- Calendario ---------- */
#gab-calendar {
    background: #fff;
    border-radius: var(--border-radius-sm);
    padding: var(--space-md);
}
.fc .fc-button-primary {
    background: var(--primary);
    border-color: var(--primary);
}
.fc .fc-button-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}
.fc-event {
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 2px 6px;
}
.fc-toolbar-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ---------- Login Page ---------- */
.gab-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1FA8D8 0%, #53D4FF 50%, #7EDDF7 100%);
    padding: var(--space-lg);
}

.gab-login-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.18);
    padding: var(--space-2xl) var(--space-xl);
    width: 100%;
    max-width: 440px;
}

.gab-login-logo {
    text-align: center;
    margin-bottom: var(--space-xl);
}
.gab-login-logo .mdi {
    font-size: 4rem;
    color: var(--primary);
    display: block;
    margin-bottom: var(--space-sm);
}
.gab-login-logo h1 {
    font-size: 1.6rem;
    color: var(--primary-dark);
    margin: 0;
}
.gab-login-logo p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

.gab-login-form .form-label {
    font-size: 1rem;
}
.gab-login-form .form-control {
    height: 54px;
    font-size: 1.05rem;
}
.gab-login-form .btn-primary {
    height: 54px;
    font-size: 1.05rem;
    width: 100%;
    margin-top: var(--space-sm);
}

/* ---------- Dashboard Quick Actions ---------- */
.gab-quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    text-align: center;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
    cursor: pointer;
    min-height: 110px;
}
.gab-quick-action .mdi {
    font-size: 2.2rem;
    color: var(--primary);
}
.gab-quick-action:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-3px);
}
.gab-quick-action:hover .mdi { color: var(--primary-dark); }

/* ---------- Gráficas ---------- */
.gab-chart-container {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    padding: var(--space-lg);
}
.gab-chart-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: 8px;
}
.gab-chart-title .mdi { color: var(--primary); font-size: 1.3rem; }

/* ---------- Sección de envío de estudios ---------- */
.gab-estudio-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: border-color 0.2s;
}
.gab-estudio-card:hover { border-color: var(--primary); }
.gab-estudio-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.gab-estudio-icon .mdi { font-size: 1.7rem; color: var(--primary); }

/* ---------- Toast / Notificación ---------- */
.gab-toast {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background: var(--text-primary);
    color: #fff;
    padding: 14px 22px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 28px rgba(0,0,0,0.18);
    font-size: 0.97rem;
    font-weight: 500;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 260px;
    max-width: 380px;
    animation: toastIn 0.25s ease;
}
.gab-toast.success { background: var(--accent); }
.gab-toast.danger  { background: var(--danger); }
.gab-toast.warning { background: var(--warning); }
@keyframes toastIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Footer ---------- */
.gab-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.7);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.88rem;
}
.gab-footer a { color: rgba(255,255,255,0.9); text-decoration: underline; }
.gab-footer a:hover { color: #fff; }
.gab-footer-text, .gab-footer-dev { display: block; }
@media (min-width: 576px) {
    .gab-footer-text, .gab-footer-dev { display: inline; }
}

/* ---------- Estado vacío ---------- */
.gab-empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--text-muted);
}
.gab-empty-state .mdi {
    font-size: 4rem;
    color: var(--border-color);
    display: block;
    margin-bottom: var(--space-md);
}
.gab-empty-state h3 {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

/* ---------- Loading spinner ---------- */
.gab-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xl);
    color: var(--text-muted);
    font-size: 0.95rem;
}
.gab-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
    .gab-navbar-bottom { display: none; }
    .gab-content { padding: var(--space-lg) var(--space-md); }
}

@media (max-width: 576px) {
    html { font-size: 16px; }
    .gab-stat-value { font-size: 1.6rem; }
    .gab-login-card { padding: var(--space-xl) var(--space-md); }
    .gab-card { padding: var(--space-md); }
    .gab-table thead th { padding: 10px 12px; }
    .gab-table tbody td { padding: 12px; }
}

/* ---------- Accesibilidad: focus visible ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Respetar preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}