/* ============================================================
   ECOVIAL360 — checkout.css
   Checkout de 4 pasos: progreso, formulario y panel lateral.
   Depende de global.css.
   ============================================================ */

/* ─── LAYOUT GENERAL ─────────────────────────────────────────────────────── */
.checkout-page {
    min-height: 100dvh;
    background: var(--crema-suave);
    padding-block: var(--gap-2xl);
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--gap-2xl);
    align-items: start;
}

/* ─── CABECERA DEL CHECKOUT ──────────────────────────────────────────────── */
.checkout-header {
    margin-bottom: var(--gap-2xl);
}

.checkout-header__back {
    display: inline-flex;
    align-items: center;
    gap: var(--gap-xs);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--verde-bosque);
    text-decoration: none;
    opacity: 0.65;
    transition: opacity var(--transition-fast);
    margin-bottom: var(--gap-md);
}
.checkout-header__back:hover { opacity: 1; color: var(--verde-bosque); }

.checkout-header__title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--verde-bosque);
    margin-bottom: var(--gap-xs);
}

.checkout-header__subtitle {
    font-size: var(--text-sm);
    color: #6B7280;
}

/* ─── BARRA DE PROGRESO ──────────────────────────────────────────────────── */
.checkout-progress {
    background: var(--blanco-fondo);
    border-radius: var(--radius-lg);
    padding: var(--gap-xl);
    margin-bottom: var(--gap-xl);
    box-shadow: var(--sombra-card);
}

.checkout-progress__label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--gap-lg);
}

.checkout-progress__title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--verde-bosque);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.checkout-progress__counter {
    font-size: var(--text-xs);
    color: #6B7280;
    font-weight: 500;
}

/* Pasos */
.progress-track {
    display: flex;
    align-items: center;
    gap: 0;
}

.progress-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap-xs);
    flex-shrink: 0;
}

.progress-node__dot {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #E5EAE3;
    border: 2px solid #D1D9CF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 800;
    color: #A0ADA0;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.progress-node__label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #A0ADA0;
    white-space: nowrap;
    transition: color var(--transition-base);
}

.progress-connector {
    flex: 1;
    height: 2px;
    background: #D1D9CF;
    transition: background-color var(--transition-slow);
    margin-bottom: 1.4rem; /* alinea con los dots */
}

/* Estados */
[data-paso-dot].progress-step--active .progress-node__dot {
    background: var(--verde-lima);
    border-color: var(--verde-lima);
    color: var(--verde-bosque);
    box-shadow: 0 0 0 5px rgba(142,214,0,0.20);
    transform: scale(1.08);
}
[data-paso-dot].progress-step--active .progress-node__label {
    color: var(--verde-bosque);
}

[data-paso-dot].progress-step--done .progress-node__dot {
    background: var(--verde-bosque);
    border-color: var(--verde-bosque);
    color: var(--verde-lima);
}
[data-paso-dot].progress-step--done .progress-node__label {
    color: var(--verde-bosque);
}

[data-paso-linea].progress-step--done {
    background: var(--verde-bosque);
}

/* ─── PANEL PRINCIPAL (FORMULARIO) ───────────────────────────────────────── */
.checkout-form-panel {
    background: var(--blanco-fondo);
    border-radius: var(--radius-lg);
    box-shadow: var(--sombra-card);
    overflow: hidden;
}

/* Cabecera de cada paso */
.checkout-step {
    padding: var(--gap-2xl);
    animation: none;
}

.checkout-step.paso--entrada {
    animation: stepSlideIn 0.36s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes stepSlideIn {
    from {
        opacity: 0;
        transform: translateX(18px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.step-header {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
    margin-bottom: var(--gap-xl);
    padding-bottom: var(--gap-lg);
    border-bottom: 1.5px solid var(--crema-suave);
}

.step-header__number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--verde-bosque);
    color: var(--verde-lima);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-header__info {}

.step-header__title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--verde-bosque);
    margin: 0;
    line-height: 1.2;
}

.step-header__desc {
    font-size: var(--text-sm);
    color: #6B7280;
    margin-top: 2px;
}

/* ─── FORMULARIO: CAMPOS ─────────────────────────────────────────────────── */
.form-row {
    display: grid;
    gap: var(--gap-md);
}

.form-row--2 { grid-template-columns: 1fr 1fr; }
.form-row--3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row--1 { grid-template-columns: 1fr; }

.form-grid {
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
}

/* Estado loading en input (email) */
.form-input--loading {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='7' stroke='%231A531A' stroke-width='2.5' fill='none' stroke-dasharray='32' stroke-dashoffset='12' stroke-linecap='round'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 10 10' to='360 10 10' dur='0.7s' repeatCount='indefinite'/%3E%3C/circle%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8em center;
    padding-right: 2.5em;
    border-color: var(--verde-bosque);
    opacity: 0.75;
}

/* ─── ACCIONES DE PASO (Siguiente / Anterior) ────────────────────────────── */
.step-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-md);
    margin-top: var(--gap-2xl);
    padding-top: var(--gap-xl);
    border-top: 1.5px solid var(--crema-suave);
}

.step-actions--solo {
    justify-content: flex-end;
}

/* ─── PASO 4: REVISIÓN ───────────────────────────────────────────────────── */
.resumen-linea {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-block: var(--gap-sm);
    border-bottom: 1px solid var(--crema-suave);
    font-size: var(--text-sm);
}

.resumen-linea:last-child { border-bottom: none; }

.resumen-linea__label { color: #6B7280; }
.resumen-linea__valor { font-weight: 600; color: var(--verde-bosque); }

.resumen-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--verde-palido);
    border-radius: var(--radius-md);
    padding: var(--gap-lg);
    margin-top: var(--gap-md);
}

.resumen-total__label {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--verde-bosque);
}

.resumen-total__precio {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--verde-bosque);
}

/* Trust badges bajo el botón de pago */
.trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--gap-md);
    margin-top: var(--gap-md);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--gap-xs);
    font-size: var(--text-xs);
    color: #6B7280;
}

.trust-badge__icon { font-size: 1rem; }

/* ─── PANEL LATERAL: RESUMEN DEL PEDIDO ──────────────────────────────────── */
.checkout-summary {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
}

.summary-card {
    background: var(--blanco-fondo);
    border-radius: var(--radius-lg);
    box-shadow: var(--sombra-card);
    overflow: hidden;
}

.summary-card__header {
    background: var(--verde-bosque);
    padding: var(--gap-lg) var(--gap-xl);
    display: flex;
    align-items: center;
    gap: var(--gap-md);
}

.summary-card__emoji {
    font-size: 2.2rem;
    line-height: 1;
    background: rgba(142,214,0,0.15);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.summary-card__product-name {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--blanco-fondo);
    line-height: 1.2;
}

.summary-card__product-tag {
    font-size: var(--text-xs);
    color: var(--verde-lima);
    font-weight: 600;
    margin-top: 2px;
}

.summary-card__body {
    padding: var(--gap-xl);
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
}

.summary-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
}

.summary-line__label { color: #6B7280; }
.summary-line__value { font-weight: 600; color: var(--texto-oscuro); }
.summary-line--strike .summary-line__value {
    text-decoration: line-through;
    color: #A0ADA0;
}
.summary-line--saving .summary-line__value { color: #27AE60; }

.summary-divider {
    border: none;
    border-top: 1px dashed #D1D9CF;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-total__label {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--verde-bosque);
}

.summary-total__price {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--verde-bosque);
}

.summary-card__footer {
    background: var(--verde-palido);
    padding: var(--gap-md) var(--gap-xl);
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.summary-guarantee {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    font-size: var(--text-xs);
    color: var(--verde-bosque);
    font-weight: 600;
}

/* Stripe badge */
.stripe-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--gap-sm);
    background: var(--blanco-fondo);
    border-radius: var(--radius-md);
    padding: var(--gap-sm) var(--gap-md);
    font-size: var(--text-xs);
    color: #6B7280;
    border: 1px solid #E5EAE3;
}

.stripe-badge strong { color: #635BFF; }

/* Seguridad lateral */
.security-card {
    background: var(--blanco-fondo);
    border-radius: var(--radius-lg);
    padding: var(--gap-lg);
    box-shadow: var(--sombra-card);
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.security-item {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    font-size: var(--text-xs);
    color: #6B7280;
}

.security-item__icon {
    font-size: 1rem;
    flex-shrink: 0;
}

/* ─── CHECKBOX / RADIO ───────────────────────────────────────────────────── */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--gap-sm);
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--verde-bosque);
    flex-shrink: 0;
    margin-top: 2px;
    cursor: pointer;
}

.form-check__label {
    font-size: var(--text-sm);
    color: var(--texto-oscuro);
    line-height: 1.5;
    cursor: pointer;
}

.form-check__label a { text-decoration: underline; }

/* ─── ENVÍO: Opciones de entrega (Paso 3) ────────────────────────────────── */
.envio-opciones {
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
}

.envio-opcion {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
    padding: var(--gap-lg);
    border: 2px solid #E5EAE3;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.envio-opcion:has(input:checked) {
    border-color: var(--verde-bosque);
    background: var(--verde-palido);
}

.envio-opcion input[type="radio"] {
    accent-color: var(--verde-bosque);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.envio-opcion__icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.envio-opcion__info { flex: 1; }

.envio-opcion__nombre {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--verde-bosque);
}

.envio-opcion__detalle {
    font-size: var(--text-sm);
    color: #6B7280;
    margin-top: 1px;
}

.envio-opcion__precio {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--verde-bosque);
    font-size: var(--text-base);
    flex-shrink: 0;
}

.envio-opcion__precio--gratis { color: #27AE60; }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .checkout-grid {
        grid-template-columns: 1fr;
    }

    .checkout-summary {
        position: static;
        order: -1; /* Resumen arriba en móvil */
    }

    .form-row--2,
    .form-row--3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .checkout-page { padding-block: var(--gap-lg); }
    .checkout-step { padding: var(--gap-lg); }
    .checkout-progress { padding: var(--gap-lg); }

    .progress-node__label { display: none; }

    .step-actions {
        flex-direction: column;
    }

    .step-actions .btn { width: 100%; }

    .trust-badges {
        flex-direction: column;
        gap: var(--gap-sm);
    }
}