/* ==========================================================================
   COMPONENTS.CSS - Estilos para elementos reutilizables.
   ========================================================================== */

/* --- Botones --- */
.primary-button, button[type="submit"] {
    background-color: var(--primary-accent);
    color: var(--text-on-accent);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color var(--transition-speed);
}
.primary-button:hover, button[type="submit"]:hover {
    background-color: var(--primary-accent-hover);
}

.secondary-button {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--bg-surface);
    /* ... (resto de estilos de botón) ... */
}
.secondary-button:hover {
    background-color: var(--bg-surface);
}

/* --- Formularios --- */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}
input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--bg-surface);
    border-radius: var(--border-radius);
    font-size: 1rem;
    box-sizing: border-box;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

/* --- Modales --- */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000; opacity: 0;
    transition: opacity 0.3s ease; pointer-events: none;
}
.modal-overlay:not(.hidden) { opacity: 1; pointer-events: auto; }
.modal-content {
    background-color: var(--bg-surface);
    padding: 25px; border-radius: var(--border-radius);
    width: 90%; max-width: 500px;
    box-shadow: var(--box-shadow);
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* --- Indicador de Carga --- */
.loading-spinner {
    width: 50px; height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-accent);
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Alertas --- */
.alert {
    padding: 1rem; margin-bottom: 1rem; border-left-width: 4px; border-left-style: solid;
    border-radius: var(--border-radius); text-align: center; font-size: 0.95rem;
}
.alert-success { background-color: rgba(52, 211, 153, 0.1); border-color: var(--success-color); color: var(--success-color); }
.alert-danger { background-color: rgba(248, 113, 113, 0.1); border-color: var(--danger-color); color: var(--danger-color); }
.alert-warning { background-color: rgba(251, 191, 36, 0.1); border-color: var(--warning-color); color: var(--warning-color); }
.alert-info { background-color: rgba(59, 130, 246, 0.1); border-color: var(--info-color); color: var(--info-color); }