/* ========================================
   SISTEMA DE COMPONENTES GHOST MÉDICO
   Complemento al sistema de botones existente
   ======================================== */
/* ========================================
   INPUTS Y FORMULARIOS
   ======================================== */

/* Input base ghost */
.input-ghost {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    background: white;
    color: #374151;
    transition: all 0.2s ease;
    outline: none;
    width: 100%;
    min-height: 38px;
    box-sizing: border-box;
}

.input-ghost:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.input-ghost:hover:not(:focus) {
    border-color: #d1d5db;
}

.input-ghost::placeholder {
    color: #9ca3af;
}

.input-ghost:disabled {
    background: #f9fafb;
    color: #9ca3af;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Input variantes de color */
.input-ghost-success {
    border-color: #198754;
}
.input-ghost-success:focus {
    box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.1);
}

.input-ghost-danger {
    border-color: #dc3545;
}
.input-ghost-danger:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.input-ghost-warning {
    border-color: #fd7e14;
}
.input-ghost-warning:focus {
    box-shadow: 0 0 0 3px rgba(253, 126, 20, 0.1);
}

/* Tamaños de input */
.input-ghost-sm {
    padding: 6px 10px;
    font-size: 12px;
    min-height: 30px;
}

.input-ghost-lg {
    padding: 12px 16px;
    font-size: 16px;
    min-height: 44px;
}

/* Input con icono */
.input-ghost-icon-container {
    position: relative;
    display: inline-block;
    width: 100%;
}

.input-ghost-with-icon {
    padding-left: 36px;
}

.input-ghost-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    color: #9ca3af;
    pointer-events: none;
}

/* ========================================
   BADGES Y ETIQUETAS
   ======================================== */

/* Badge base ghost */
.badge-ghost {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
    background: white;
    color: #6b7280;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    line-height: 1.2;
    white-space: nowrap;
}

/* Badge colores Bootstrap */
.badge-ghost-primary {
    color: #0d6efd;
    background: #eff6ff;
    border-color: #bfdbfe;
}

.badge-ghost-secondary {
    color: #6c757d;
    background: #f8f9fa;
    border-color: #d3d3d4;
}

.badge-ghost-success {
    color: #198754;
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.badge-ghost-danger {
    color: #dc3545;
    background: #fef2f2;
    border-color: #fecaca;
}

.badge-ghost-warning {
    color: #fd7e14;
    background: #fffbeb;
    border-color: #fed7aa;
}

.badge-ghost-info {
    color: #0dcaf0;
    background: #f0fdff;
    border-color: #a5f3fc;
}

.badge-ghost-dark {
    color: #212529;
    background: #f8f9fa;
    border-color: #ced4da;
}

/* Badge médicos */
.badge-ghost-medical-red {
    color: #dc2626;
    background: #fef2f2;
    border-color: #fecaca;
}

.badge-ghost-medical-green {
    color: #059669;
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.badge-ghost-medical-blue {
    color: #2563eb;
    background: #eff6ff;
    border-color: #bfdbfe;
}

.badge-ghost-medical-orange {
    color: #f59e0b;
    background: #fffbeb;
    border-color: #fed7aa;
}

/* Badge tamaños */
.badge-ghost-sm {
    padding: 2px 6px;
    font-size: 10px;
}

.badge-ghost-lg {
    padding: 6px 12px;
    font-size: 14px;
}

/* Badge con punto indicador */
.badge-ghost-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    margin-right: 4px;
}

/* Badge redondeado */
.badge-ghost-pill {
    border-radius: 50px;
}

/* ========================================
   CARDS Y CONTENEDORES
   ======================================== */

/* Card base ghost */
.card-ghost {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.card-ghost:hover {
    border-color: #d1d5db;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.card-ghost-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f3f4f6;
}

.card-ghost-title {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin: 0;
}

.card-ghost-subtitle {
    font-size: 14px;
    color: #6b7280;
    margin: 4px 0 0 0;
}

.card-ghost-body {
    color: #374151;
    line-height: 1.5;
}

.card-ghost-footer {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid #f3f4f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Card tamaños */
.card-ghost-sm {
    padding: 12px;
}

.card-ghost-lg {
    padding: 32px;
}

/* Card variantes */
.card-ghost-flat {
    box-shadow: none;
}

.card-ghost-flat:hover {
    box-shadow: none;
}

.card-ghost-elevated {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-ghost-elevated:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ========================================
   ALERTS Y NOTIFICACIONES
   ======================================== */

/* Alert base ghost */
.alert-ghost {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    background: white;
    color: #374151;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    font-size: 14px;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.alert-ghost-primary {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}

.alert-ghost-success {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.alert-ghost-danger {
    background: #fef2f2;
    border-color: #fecaca;
    color: #b91c1c;
}

.alert-ghost-warning {
    background: #fffbeb;
    border-color: #fed7aa;
    color: #d97706;
}

.alert-ghost-info {
    background: #f0fdff;
    border-color: #a5f3fc;
    color: #0891b2;
}

/* Alert con icono */
.alert-ghost-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 1px;
}

/* ========================================
   TABLAS
   ======================================== */

.table-ghost {
    width: 100%;
    border-collapse: collapse;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    font-size: 14px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.table-ghost th {
    background: #f9fafb;
    color: #374151;
    font-weight: 600;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.table-ghost td {
    padding: 12px 16px;
    color: #6b7280;
    border-bottom: 1px solid #f3f4f6;
}

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

.table-ghost tbody tr:hover {
    background: #f9fafb;
}

/* ========================================
   MODALES Y OVERLAYS
   ======================================== */

.modal-ghost-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-ghost {
    background: white;
    border-radius: 8px;
    padding: 24px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid #e5e7eb;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
}

.modal-ghost-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f3f4f6;
}

.modal-ghost-title {
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin: 0;
}

.modal-ghost-body {
    color: #374151;
    line-height: 1.5;
    margin-bottom: 20px;
}

.modal-ghost-footer {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    padding-top: 12px;
    border-top: 1px solid #f3f4f6;
}

/* ========================================
   NAVEGACIÓN Y TABS
   ======================================== */

.nav-ghost {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
    background: white;
}

.nav-ghost-item {
    padding: 12px 16px;
    color: #6b7280;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    font-size: 14px;
    font-weight: 500;
}

.nav-ghost-item:hover {
    color: #374151;
    text-decoration: none;
}

.nav-ghost-item.active {
    color: #0d6efd;
    border-bottom-color: #0d6efd;
}

/* ========================================
   DROPDOWNS
   ======================================== */

.dropdown-ghost {
    position: relative;
    display: inline-block;
}

.dropdown-ghost-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 100;
    min-width: 200px;
    padding: 4px 0;
    margin-top: 4px;
}

.dropdown-ghost-item {
    display: block;
    padding: 8px 12px;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    transition: background 0.2s ease;
}

.dropdown-ghost-item:hover {
    background: #f9fafb;
    text-decoration: none;
}

.dropdown-ghost-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 4px 0;
}

/* ========================================
   PROGRESS BARS
   ======================================== */

.progress-ghost {
    width: 100%;
    height: 8px;
    background: #f3f4f6;
    border-radius: 4px;
    overflow: hidden;
}

.progress-ghost-bar {
    height: 100%;
    background: #0d6efd;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-ghost-bar-success {
    background: #198754;
}

.progress-ghost-bar-warning {
    background: #fd7e14;
}

.progress-ghost-bar-danger {
    background: #dc3545;
}

/* ========================================
   CHECKBOXES Y RADIOS
   ======================================== */

.checkbox-ghost,
.radio-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    font-size: 14px;
    color: #374151;
    cursor: pointer;
}

.checkbox-ghost input[type="checkbox"],
.radio-ghost input[type="radio"] {
    width: 16px;
    height: 16px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    background: white;
    cursor: pointer;
}

.radio-ghost input[type="radio"] {
    border-radius: 50%;
}

.checkbox-ghost input[type="checkbox"]:checked,
.radio-ghost input[type="radio"]:checked {
    background: #0d6efd;
    border-color: #0d6efd;
}

/* ========================================
   INPUT GROUPS
   ======================================== */

/* Input group base ghost */
.input-group-ghost {
    display: flex;
    align-items: stretch;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    background: white;
    transition: all 0.2s ease;
}

.input-group-ghost:hover {
    border-color: #d1d5db;
}

.input-group-ghost:focus-within {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

/* Texto del input group */
.input-group-ghost-text {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    background: #f9fafb;
    color: #6b7280;
    font-size: 14px;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    border-right: 1px solid #e5e7eb;
    white-space: nowrap;
    min-width: fit-content;
}

.input-group-ghost-text i {
    font-size: 14px;
}

/* Input dentro del group */
.input-group-ghost .input-ghost-grouped {
    border: none;
    border-radius: 0;
    box-shadow: none;
    flex: 1;
    min-width: 0;
    background: transparent;
}

.input-group-ghost .input-ghost-grouped:focus {
    border: none;
    box-shadow: none;
}

/* Botón dentro del input group */
.input-group-ghost .btn-ghost-grouped {
    border: none;
    border-radius: 0;
    border-left: 1px solid #e5e7eb;
    background: white;
    margin: 0;
}

.input-group-ghost .btn-ghost-grouped:hover {
    background: #f9fafb;
    border-left: 1px solid #e5e7eb;
    box-shadow: none;
}

.input-group-ghost .btn-ghost-grouped:focus {
    box-shadow: none;
}

/* Variantes de tamaño para input groups */
.input-group-ghost-sm {
    border-radius: 6px;
}

.input-group-ghost-sm .input-group-ghost-text {
    padding: 6px 10px;
    font-size: 12px;
}

.input-group-ghost-sm .input-ghost-grouped {
    padding: 6px 10px;
    font-size: 12px;
    min-height: 30px;
}

.input-group-ghost-sm .btn-ghost-grouped {
    padding: 6px 12px;
    font-size: 12px;
    min-height: 30px;
}

.input-group-ghost-lg {
    border-radius: 10px;
}

.input-group-ghost-lg .input-group-ghost-text {
    padding: 12px 16px;
    font-size: 16px;
}

.input-group-ghost-lg .input-ghost-grouped {
    padding: 12px 16px;
    font-size: 16px;
    min-height: 44px;
}

.input-group-ghost-lg .btn-ghost-grouped {
    padding: 12px 24px;
    font-size: 16px;
    min-height: 44px;
}

/* Input group con múltiples elementos */
.input-group-ghost .input-group-ghost-text:first-child {
    border-right: 1px solid #e5e7eb;
}

.input-group-ghost .btn-ghost-grouped:not(:last-child) {
    border-right: 1px solid #e5e7eb;
}

/* Estados especiales */
.input-group-ghost.disabled {
    opacity: 0.6;
    pointer-events: none;
}

.input-group-ghost.disabled .input-group-ghost-text {
    background: #f3f4f6;
    color: #9ca3af;
}

/* Variantes de color para input groups */
.input-group-ghost-success {
    border-color: #198754;
}

.input-group-ghost-success:focus-within {
    box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.1);
}

.input-group-ghost-danger {
    border-color: #dc3545;
}

.input-group-ghost-danger:focus-within {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.input-group-ghost-warning {
    border-color: #fd7e14;
}

.input-group-ghost-warning:focus-within {
    box-shadow: 0 0 0 3px rgba(253, 126, 20, 0.1);
}

/* ========================================
   UTILIDADES RESPONSIVAS
   ======================================== */

@media (max-width: 768px) {
    .card-ghost {
        padding: 16px;
    }
    
    .modal-ghost {
        padding: 20px;
        margin: 16px;
    }
    
    .nav-ghost {
        flex-direction: column;
    }
    
    .nav-ghost-item {
        border-bottom: none;
        border-left: 2px solid transparent;
    }
    
    .nav-ghost-item.active {
        border-bottom: none;
        border-left-color: #0d6efd;
    }
}

/* ========================================
   ESTADOS DE CARGA
   ======================================== */

.loading-ghost {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #e5e7eb;
    border-top: 2px solid #0d6efd;
    border-radius: 50%;
    animation: loading-ghost-spin 1s linear infinite;
}

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

.loading-ghost-lg {
    width: 24px;
    height: 24px;
    border-width: 3px;
}

/* ========================================
   TOOLTIPS
   ======================================== */

.tooltip-ghost {
    position: relative;
    display: inline-block;
}

.tooltip-ghost::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 6px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    margin-bottom: 4px;
}

.tooltip-ghost:hover::after {
    opacity: 1;
}

/* ========================================
   SISTEMA DE BOTONES GHOST MÉDICO
   Estilo sutil profesional con todos los colores Bootstrap
   ======================================== */

/* Clase base para todos los botones ghost */
.btn-ghost {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 10px 18px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: white;
    color: #6b7280;
    min-height: 38px;
    /*font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;*/
    line-height: 1.4;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    box-sizing: border-box;
}

.btn-ghost:hover {
    border-color: #d1d5db;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    text-decoration: none;
}

.btn-ghost:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn-ghost:active {
    transform: translateY(1px);
}

.btn-ghost:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========================================
   COLORES BOOTSTRAP - VERSIÓN GHOST
   ======================================== */

/* PRIMARY - Azul */
.btn-ghost-primary {
    color: #0d6efd;
}
.btn-ghost-primary:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #0d6efd;
}

/* SECONDARY - Gris */
.btn-ghost-secondary {
    color: #6c757d;
}
.btn-ghost-secondary:hover {
    background: #f8f9fa;
    border-color: #d3d3d4;
    color: #6c757d;
}

/* SUCCESS - Verde */
.btn-ghost-success {
    color: #198754;
}
.btn-ghost-success:hover {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #198754;
}

/* DANGER - Rojo */
.btn-ghost-danger {
    color: #dc3545;
}
.btn-ghost-danger:hover {
    background: #fef2f2;
    border-color: #fecaca;
    color: #dc3545;
}

/* WARNING - Amarillo */
.btn-ghost-warning {
    color: #fd7e14;
}
.btn-ghost-warning:hover {
    background: #fffbeb;
    border-color: #fed7aa;
    color: #fd7e14;
}

/* INFO - Cian */
.btn-ghost-info {
    color: #0dcaf0;
}
.btn-ghost-info:hover {
    background: #f0fdff;
    border-color: #a5f3fc;
    color: #0dcaf0;
}

/* LIGHT - Gris claro */
.btn-ghost-light {
    color: #495057;
    border-color: #dee2e6;
}
.btn-ghost-light:hover {
    background: #f8f9fa;
    border-color: #ced4da;
    color: #495057;
}

/* DARK - Negro */
.btn-ghost-dark {
    color: #212529;
}
.btn-ghost-dark:hover {
    background: #f8f9fa;
    border-color: #ced4da;
    color: #212529;
}

/* ========================================
   COLORES MÉDICOS PERSONALIZADOS
   ======================================== */

/* MEDICAL RED - Para urgencias */
.btn-ghost-medical-red {
    color: #dc2626;
}
.btn-ghost-medical-red:hover {
    background: #fef2f2;
    border-color: #fecaca;
    color: #dc2626;
}

/* MEDICAL ORANGE - Para alertas */
.btn-ghost-medical-orange {
    color: #f59e0b;
}
.btn-ghost-medical-orange:hover {
    background: #fffbeb;
    border-color: #fed7aa;
    color: #f59e0b;
}

/* MEDICAL GREEN - Para confirmaciones */
.btn-ghost-medical-green {
    color: #059669;
}
.btn-ghost-medical-green:hover {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #059669;
}

/* MEDICAL BLUE - Para información */
.btn-ghost-medical-blue {
    color: #2563eb;
}
.btn-ghost-medical-blue:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #2563eb;
}

/* ========================================
   TAMAÑOS DE BOTONES
   ======================================== */

/* Tamaño pequeño */
.btn-ghost-sm {
    padding: 6px 12px;
    font-size: 12px;
    min-height: 30px;
}

/* Tamaño normal (ya definido en .btn-ghost) */

/* Tamaño grande */
.btn-ghost-lg {
    padding: 12px 24px;
    font-size: 16px;
    min-height: 44px;
}

/* Tamaño extra grande */
.btn-ghost-xl {
    padding: 16px 32px;
    font-size: 18px;
    min-height: 52px;
}

/* ========================================
   VARIANTES ESPECIALES
   ======================================== */

/* Botón fantasma con borde redondeado completo */
.btn-ghost-pill {
    border-radius: 50px;
}

/* Botón fantasma cuadrado */
.btn-ghost-square {
    border-radius: 4px;
}

/* Botón fantasma sin bordes */
.btn-ghost-borderless {
    border: none;
    padding: 10px 18px;
}

.btn-ghost-borderless:hover {
    border: none;
    box-shadow: none;
}

/* Botón fantasma de ancho completo */
.btn-ghost-block {
    width: 100%;
    justify-content: center;
}

/* ========================================
   ESTADOS ESPECIALES
   ======================================== */

/* Estado activo */
.btn-ghost.active,
.btn-ghost:active {
    transform: translateY(1px);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

/* Estado de carga */
.btn-ghost.loading {
    color: transparent;
    pointer-events: none;
    position: relative;
}

.btn-ghost.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #e5e7eb;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: btn-loading-spin 1s linear infinite;
}

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

/* ========================================
   ICONOS EN BOTONES
   ======================================== */

.btn-ghost .icon {
    width: 14px;
    height: 14px;
    fill: currentColor;
    flex-shrink: 0;
}

.btn-ghost-sm .icon {
    width: 12px;
    height: 12px;
}

.btn-ghost-lg .icon {
    width: 16px;
    height: 16px;
}

.btn-ghost-xl .icon {
    width: 18px;
    height: 18px;
}

/* Icono solo (sin texto) */
.btn-ghost-icon-only {
    width: 38px;
    padding: 10px;
    justify-content: center;
}

.btn-ghost-icon-only.btn-ghost-sm {
    width: 30px;
    padding: 6px;
}

.btn-ghost-icon-only.btn-ghost-lg {
    width: 44px;
    padding: 12px;
}

/* ========================================
   BADGES Y INDICADORES
   ======================================== */

.btn-ghost .badge {
    background: #ef4444;
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 4px;
    line-height: 1;
}

.btn-ghost .dot-indicator {
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    margin-left: 4px;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .btn-ghost-responsive {
        width: 100%;
        justify-content: center;
        margin-bottom: 8px;
    }
    
    .btn-ghost-responsive:last-child {
        margin-bottom: 0;
    }
}

/* ========================================
   GRUPOS DE BOTONES
   ======================================== */

.btn-ghost-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-ghost-group .btn-ghost {
    flex: 1;
    min-width: 0;
}

.btn-ghost-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn-ghost-group-vertical .btn-ghost {
    width: 100%;
}

/* ========================================
   UTILIDADES ADICIONALES
   ======================================== */

/* Texto en mayúsculas */
.btn-ghost-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Texto en negrita */
.btn-ghost-bold {
    font-weight: 600;
}

/* Sin sombra */
.btn-ghost-no-shadow:hover {
    box-shadow: none;
}

/* Transición lenta */
.btn-ghost-slow {
    transition: all 0.4s ease;
}

/* Sin efectos hover */
.btn-ghost-static:hover {
    background: white;
    border-color: #e5e7eb;
    box-shadow: none;
    transform: none;
}