/**
 * @author    PDS Mundial
 * @email     ing@pdsmundial.com
 * @web       www.pdsmundial.com
 * @copyright 2026 PDS Mundial
 * @license   Confidencial
 */
/* ==========================================================================
   Componentes Globales (Botones, Tarjetas, Inputs)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-hover));
    color: #FFFFFF;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--clr-primary-hover), var(--clr-primary));
}

.btn-outline {
    background-color: transparent;
    border-color: var(--clr-border-dark);
    color: var(--clr-text-main);
}

.btn-outline:hover {
    background-color: var(--clr-bg-alt);
}

/* Tarjeta / Contenedor Base */
.card {
    background-color: var(--clr-bg-alt);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

/* ==========================================================================
   Modales Globales (Diseño Premium Unificado)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.5); /* Slate 900 semi-transparente */
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99999;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 24px;
    width: 100%;
    max-width: 450px;
    max-height: 90dvh;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal > form {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1 1 auto;
    min-height: 0;
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 24px 30px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--clr-border);
    flex-shrink: 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--clr-text-main);
    letter-spacing: -0.01em;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: none;
    background: var(--clr-bg-alt);
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.5rem;
    line-height: 1;
}

.modal-close:hover {
    background: #fee2e2;
    color: #ef4444;
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px 30px;
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    overflow-y: auto;
    flex: 1 1 auto;
    -webkit-overflow-scrolling: touch;
}

.modal-footer {
    padding: 20px 30px;
    background: var(--clr-bg-alt);
    border-top: 1px solid var(--clr-border);
    display: flex;
    justify-content: flex-end;
    flex-shrink: 0;
    gap: 12px;
}

.modal-footer .btn {
    padding: 10px 24px;
    font-weight: 600;
    border-radius: 12px;
    font-size: 0.95rem;
}

/* ==========================================================================
   Formularios Premium (Inputs, Labels, Groups)
   ========================================================================== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: 20px;
    column-gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-grid .form-group {
    margin-bottom: 0;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--clr-text-main);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border-radius: 12px;
    border: 2px solid var(--clr-border);
    background: var(--clr-bg-alt);
    color: var(--clr-text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control::placeholder {
    color: var(--clr-text-muted);
    opacity: 0.6;
}

.form-control:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 4px rgba(var(--clr-primary-rgb), 0.15);
    outline: none;
    background: var(--clr-bg);
}

/* Modales de Peligro (Eliminar) */
.modal-danger .modal-header h3 {
    color: #ef4444;
}

.modal-danger .btn-primary {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.modal-danger .btn-primary:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

/* ==========================================================================
   Responsive Modals y Formularios
   ========================================================================== */
@media (max-width: 576px) {
    .modal-overlay {
        padding: env(safe-area-inset-top, 12px) 12px env(safe-area-inset-bottom, 12px) 12px;
        align-items: center;
    }
    .modal {
        margin: 0;
        max-width: 100%;
        max-height: 90dvh;
        border-radius: 18px;
        display: flex;
        flex-direction: column;
    }
    .modal-header {
        padding: 16px 20px 14px;
        flex-shrink: 0;
    }
    .modal-body {
        padding: 16px 20px;
        overflow-y: auto;
        flex: 1 1 auto;
        -webkit-overflow-scrolling: touch;
    }
    .modal-footer {
        padding: 14px 20px;
        flex-shrink: 0;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
}