/* ============================================
   COMPONENTES REUTILIZABLES
   ============================================ */

/* === TARJETAS (CARDS) === */
.card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    padding: var(--space-5) var(--space-6);
    border-bottom: 3px solid var(--primary-700);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

/* Variantes de cards */
.card-success .card-header {
    background: linear-gradient(135deg, var(--secondary-500) 0%, var(--secondary-600) 100%);
    border-bottom-color: var(--secondary-700);
}

.card-accent .card-header {
    background: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-600) 100%);
    border-bottom-color: var(--accent-700);
}

.card-warning .card-header {
    background: linear-gradient(135deg, var(--warning-500) 0%, var(--warning-700) 100%);
    border-bottom-color: var(--warning-700);
}

/* === BOTONES === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
}

.btn:hover::before {
    transform: translateX(0);
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Variantes de botones */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(33, 150, 243, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-500) 0%, var(--secondary-600) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(76, 175, 80, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-700) 100%);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-600) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(156, 39, 176, 0.3);
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-600) 0%, var(--accent-700) 100%);
    box-shadow: 0 6px 20px rgba(156, 39, 176, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-500);
}

.btn-outline:hover {
    background: var(--primary-500);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--primary-600);
}

.btn-ghost:hover {
    background: var(--primary-50);
}

/* Tamaños de botones */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* === INPUTS Y FORMULARIOS === */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.form-control,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: white;
    color: var(--gray-900);
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}


/* Estilos específicos para mejorar la visibilidad de los selectores */
.form-select {
    color: #1a1a1a !important;
    font-weight: 700 !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23212121' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

/* Estilos para las opciones del dropdown */
.form-select option {
    color: #1a1a1a !important;
    background-color: #ffffff !important;
    padding: var(--space-3) var(--space-4);
    font-weight: 700 !important;
    font-size: var(--text-base) !important;
}

.form-select option:checked {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%) !important;
    color: white !important;
    font-weight: 700 !important;
}

/* Mejorar el contraste cuando el selector está enfocado */
.form-select:focus {
    color: #1a1a1a !important;
    border-color: var(--primary-600) !important;
    border-width: 2px !important;
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.15) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%231565C0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-color: #ffffff !important;
}

/* Estilos para el placeholder y texto seleccionado */
.form-select::placeholder {
    color: #000000 !important;
    font-weight: 600 !important;
}

/* Estilos adicionales para accesibilidad */
.form-select:hover {
    border-color: var(--primary-500) !important;
    border-width: 2px !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%231565C0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

/* Asegurar buen contraste en diferentes estados */
.form-select:disabled {
    background-color: #f5f5f5 !important;
    color: #757575 !important;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Extra: Mejorar visibilidad del texto en navegadores Firefox */
.form-select::-moz-select-text {
    color: #1a1a1a !important;
    font-weight: 700 !important;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-control:hover,
.form-select:hover {
    border-color: var(--primary-400);
}

/* === BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--primary-600);
    color: white;
    font-weight: 700;
}

.badge-success {
    background: var(--secondary-600);
    color: white;
    font-weight: 700;
}

.badge-warning {
    background: var(--warning-600);
    color: white;
    font-weight: 700;
}

.badge-error {
    background: var(--error-600);
    color: white;
    font-weight: 700;
}

/* === ALERTAS === */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    animation: slideDown var(--transition-base) ease-out;
}

.alert-icon {
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.alert-info {
    background: var(--primary-50);
    color: var(--primary-800);
    border-left: 4px solid var(--primary-500);
}

.alert-success {
    background: var(--secondary-50);
    color: var(--secondary-800);
    border-left: 4px solid var(--secondary-500);
}

.alert-warning {
    background: var(--warning-50);
    color: var(--warning-700);
    border-left: 4px solid var(--warning-500);
}

.alert-error {
    background: var(--error-50);
    color: var(--error-700);
    border-left: 4px solid var(--error-500);
}

/* === SPINNER DE CARGA === */
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 24px;
    height: 24px;
    border-width: 2px;
}

.spinner-lg {
    width: 64px;
    height: 64px;
    border-width: 6px;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-12);
    text-align: center;
}

.loading-text {
    font-size: var(--text-lg);
    color: var(--gray-600);
    font-weight: 500;
}

/* === TOOLTIPS === */
.tooltip-wrapper {
    position: relative;
    display: inline-block;
}

.tooltip-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--gray-900);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: var(--z-tooltip);
}

.tooltip-wrapper:hover .tooltip-content {
    opacity: 1;
}

/* === TABLAS === */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
}

.table th {
    padding: var(--space-4);
    text-align: left;
    font-weight: 700;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}

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

.table tbody tr:hover {
    background: var(--primary-50);
}

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

/* === DIVISORES === */
.divider {
    height: 1px;
    background: var(--gray-300);
    margin: var(--space-6) 0;
}

.divider-vertical {
    width: 1px;
    background: var(--gray-300);
    margin: 0 var(--space-4);
}