/**
 * PAYMENT SHEET — Primitivo de registro y distribución de pagos/cobros
 * Contrato: docs/contrato-payment-sheet.md
 * Cumple: .agents/skills/frontend-uidesign/SKILL.md (UNA SOLA SUPERFICIE CONTINUA, CERO ISLAS)
 */

/* ── Contenedor general ── */
.ps-shell {
    width: 100%;
    padding-bottom: 96px;
}

/* ── Hoja Única Continua (.ps-sheet) — Cero islas flotantes ── */
.ps-sheet {
    background: var(--surface-card, #ffffff);
    border: 1px solid var(--surface-border, #e2e8f0);
    border-radius: var(--radius-xl, 12px);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.05));
    padding: var(--space-6, 24px) var(--space-8, 32px);
    width: 100%;
}

/* ── Encabezado integrado dentro de la hoja ── */
.ps-header {
    margin-bottom: var(--space-5, 20px);
}
.ps-crumb-bar {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    font-size: 0.8rem;
    color: var(--text-muted, #64748b);
    margin-bottom: var(--space-2, 8px);
}
.ps-crumb-sep {
    color: var(--gray-300, #cbd5e1);
}
.ps-title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    letter-spacing: -0.02em;
}
.ps-subtitle {
    margin: var(--space-1, 4px) 0 0;
    font-size: 0.88rem;
    color: var(--text-secondary, #475569);
}

/* ── Barra de contexto / Resumen superior integrado en la hoja ── */
.ps-context-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4, 16px);
    background: var(--gray-50, #f8fafc);
    border: 1px solid var(--surface-border, #e2e8f0);
    border-radius: var(--radius-lg, 8px);
    padding: var(--space-3, 12px) var(--space-5, 20px);
    margin-bottom: var(--space-6, 24px);
}
.ps-context-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.ps-context-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted, #64748b);
}
.ps-context-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary, #0f172a);
    font-variant-numeric: tabular-nums;
}
.ps-context-value.is-balance {
    color: var(--primary-600, #1c3a5a);
    font-weight: 700;
}

/* ── Secciones con divider-header canónico ── */
.ps-section {
    margin-bottom: var(--space-6, 24px);
    padding-bottom: var(--space-6, 24px);
    border-bottom: 1px solid var(--surface-border, #e2e8f0);
}
.ps-section:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.ps-divider-header {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    margin-bottom: var(--space-4, 16px);
}
.ps-step-badge {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-md, 6px);
    background: var(--gray-100, #f1f5f9);
    color: var(--primary-600, #1c3a5a);
    font-size: 0.72rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ps-divider-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted, #64748b);
}
.ps-divider-hint {
    margin-left: auto;
    font-size: 0.72rem;
    color: var(--text-muted, #64748b);
}

/* ── Grilla de 2 columnas de campos ── */
.ps-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5, 20px);
}
.ps-hint {
    display: block;
    color: var(--text-muted, #64748b);
    margin-top: var(--space-1, 4px);
    font-size: 0.78rem;
}

/* ── Distribución entre facturas ── */
.ps-alloc-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 8px);
}
.ps-alloc-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px 42px;
    gap: var(--space-3, 12px);
    align-items: end;
}
.ps-alloc-row .form-group {
    margin: 0;
}
.ps-btn-remove {
    height: 38px;
    width: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--text-muted, #64748b);
    border: 1px solid var(--surface-border, #e2e8f0);
    border-radius: var(--radius-md, 6px);
    background: var(--surface-card, #ffffff);
    cursor: pointer;
    transition: all 0.15s ease;
}
.ps-btn-remove:hover {
    color: var(--error, #dc2626);
    border-color: var(--error, #dc2626);
    background: #fef2f2;
}
.ps-btn-add {
    margin-top: var(--space-2, 8px);
}

/* ── Radio-cards de Método de pago ── */
.ps-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-3, 12px);
}
.ps-method-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-1, 4px);
    border: 1px solid var(--surface-border, #e2e8f0);
    border-radius: var(--radius-lg, 8px);
    padding: var(--space-3, 12px) var(--space-4, 16px);
    cursor: pointer;
    background: var(--surface-card, #ffffff);
    transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.ps-method-card:hover {
    border-color: var(--gray-400, #94a3b8);
}
.ps-method-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.ps-method-icon {
    color: var(--text-muted, #64748b);
    margin-bottom: var(--space-1, 4px);
    display: inline-flex;
}
.ps-method-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary, #0f172a);
}
.ps-method-desc {
    font-size: 0.72rem;
    color: var(--text-muted, #64748b);
    line-height: 1.25;
}
.ps-method-card:has(input:checked) {
    border-color: var(--primary-500, #274c72);
    background: var(--primary-50, #eaf0f7);
    box-shadow: 0 0 0 1px var(--primary-500, #274c72);
}
.ps-method-card:has(input:checked) .ps-method-icon {
    color: var(--primary-500, #274c72);
}
.ps-method-card:has(input:focus-visible) {
    outline: 2px solid var(--accent-500, #a56f31);
    outline-offset: 2px;
}

/* ── Sección de Liquidación y Estado Integrada ── */
.ps-settlement-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-5, 20px);
    align-items: start;
}
.ps-tax-box {
    border: 1px solid var(--surface-border, #e2e8f0);
    border-radius: var(--radius-lg, 8px);
    overflow: hidden;
}
.ps-tax-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2, 8px) var(--space-3, 12px);
    font-size: 0.85rem;
    border-top: 1px solid var(--surface-border, #e2e8f0);
}
.ps-tax-row:first-child {
    border-top: none;
}
.ps-tax-row-neto {
    background: var(--badge-aprobada-bg, #f0fdf4);
    color: var(--badge-aprobada-text, #15803d);
    font-weight: 700;
    padding: var(--space-3, 12px);
}
.ps-tax-neto-value {
    font-size: 1.05rem;
    font-variant-numeric: tabular-nums;
}

/* ── Checkbox Pago Pendiente ── */
.ps-pending-card {
    background: var(--gray-50, #f8fafc);
    border: 1px solid var(--surface-border, #e2e8f0);
    border-radius: var(--radius-lg, 8px);
    padding: var(--space-4, 16px);
}
.ps-pending-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 12px);
    cursor: pointer;
    user-select: none;
}
.ps-pending-checkbox {
    margin-top: 3px;
    accent-color: var(--primary-500, #274c72);
    width: 16px;
    height: 16px;
    cursor: pointer;
}
.ps-pending-title {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary, #0f172a);
}
.ps-pending-desc {
    margin: 2px 0 0;
    font-size: 0.78rem;
    color: var(--text-muted, #64748b);
}

/* ── Barra fija inferior (Footer sticky) ── */
.ps-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--surface-card, #ffffff);
    border-top: 1px solid var(--surface-border, #e2e8f0);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: 50;
}
.ps-footer-inner {
    width: 100%;
    padding: var(--space-3, 12px) var(--space-8, 32px);
    display: flex;
    align-items: center;
    gap: var(--space-4, 16px);
}
.ps-footer-total-box {
    margin-right: auto;
}
.ps-footer-total-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted, #64748b);
    font-weight: 600;
}
.ps-footer-total-amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-600, #1c3a5a);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}
.ps-footer-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
}

/* ── Soporte Modo Oscuro ── */
[data-theme="dark"] .ps-sheet,
[data-theme="dark"] .ps-footer,
[data-theme="dark"] .ps-btn-remove {
    background: var(--surface-card, #121b2a);
    border-color: var(--surface-border, #1e2a3a);
}
[data-theme="dark"] .ps-context-strip,
[data-theme="dark"] .ps-pending-card {
    background: var(--gray-50, #0a1018);
    border-color: var(--surface-border, #1e2a3a);
}
[data-theme="dark"] .ps-method-card {
    background: var(--gray-50, #0a1018);
    border-color: var(--surface-border, #1e2a3a);
}
[data-theme="dark"] .ps-method-card:hover {
    background: var(--surface-card, #121b2a);
    border-color: var(--gray-400, #455263);
}
[data-theme="dark"] .ps-method-card:has(input:checked) {
    background: rgba(39, 76, 114, 0.35);
    border-color: var(--primary-500, #7ea3cc);
}
[data-theme="dark"] .ps-method-card:has(input:checked) .ps-method-icon {
    color: var(--primary-500, #7ea3cc);
}
[data-theme="dark"] .ps-step-badge {
    background: var(--gray-200, #1e2a3a);
    color: var(--primary-500, #7ea3cc);
}
[data-theme="dark"] .ps-tax-row-neto {
    background: rgba(21, 128, 61, 0.2);
    color: #4ade80;
}

/* ── Responsividad estricta ── */
@media (max-width: 768px) {
    .ps-sheet {
        padding: var(--space-4, 16px);
    }
    .ps-context-strip {
        grid-template-columns: 1fr;
        gap: var(--space-2, 8px);
    }
    .ps-grid-2,
    .ps-settlement-grid {
        grid-template-columns: 1fr;
    }
    .ps-alloc-row {
        grid-template-columns: 1fr;
        gap: var(--space-2, 8px);
    }
    .ps-alloc-row .ps-btn-remove {
        justify-self: end;
        margin-top: -4px;
    }
    .ps-footer-inner {
        padding: var(--space-2, 8px) var(--space-4, 16px);
        gap: var(--space-2, 8px);
    }
    .ps-footer-total-amount {
        font-size: 1.05rem;
    }
    .ps-footer-actions .btn {
        padding: 8px 12px;
        font-size: 0.82rem;
    }
}