/* ============================================================
   PURCHASE PLANNING — Cards
   ============================================================ */

/* ===== TOKENS ===== */
.purchase-planning {
    --pp-font-display: 'Inter Tight', 'Söhne', system-ui, -apple-system, sans-serif;
    --pp-font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --pp-font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
    --pp-bg: #f4f3f1;
    --pp-surface: #ffffff;
    --pp-surface-alt: #f5f5f4;
    --pp-border: #e7e5e4;
    --pp-border-strong: #d6d3d1;
    --pp-text: #1c1917;
    --pp-text-muted: #78716c;
    --pp-text-faint: #a8a29e;
    --pp-accent: #0f172a;
    --pp-accent-soft: #1e293b;
    --pp-primary: #b45309;
    --pp-primary-hover: #92400e;
    --pp-cob-low-bg: #fef2f2;
    --pp-cob-low-fg: #b91c1c;
    --pp-cob-warn-bg: #fffbeb;
    --pp-cob-warn-fg: #b45309;
    --pp-cob-ok-bg: #f0fdf4;
    --pp-cob-ok-fg: #15803d;
    --pp-error-bg: #fef2f2;
    --pp-error-fg: #991b1b;
    --pp-error-border: #fecaca;
    --pp-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --pp-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    --pp-shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    --pp-radius: 8px;
    --pp-radius-sm: 4px;
    --pp-radius-lg: 10px;
    --pp-tx: 160ms cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--pp-font-body);
    color: var(--pp-text);
    background: var(--pp-bg);
    padding: 1.5rem 2rem;
    min-height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   HEADER
   ============================================================ */
.pp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--pp-border);
    flex-wrap: wrap;
}

.pp-header-left {
    display: flex;
    align-items: baseline;
    gap: 0.875rem;
}

.pp-header h1 {
    font-family: var(--pp-font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--pp-text);
}

.pp-count {
    font-family: var(--pp-font-mono);
    font-size: 0.75rem;
    color: var(--pp-text-muted);
    letter-spacing: 0.01em;
    text-transform: uppercase;
}

.pp-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.pp-search {
    font-family: var(--pp-font-body);
    font-size: 0.875rem;
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius);
    background: var(--pp-surface);
    color: var(--pp-text);
    width: 280px;
    transition: border-color var(--pp-tx), box-shadow var(--pp-tx);
    outline: none;
}

    .pp-search:focus {
        border-color: var(--pp-accent);
        box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
    }

    .pp-search::placeholder {
        color: var(--pp-text-faint);
    }

/* ===== Botones ===== */
.purchase-planning .btn {
    font-family: var(--pp-font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--pp-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--pp-tx);
    line-height: 1.2;
}

    .purchase-planning .btn:disabled {
        opacity: 0.45;
        cursor: not-allowed;
    }

.purchase-planning .btn-secondary {
    background: var(--pp-surface);
    color: var(--pp-text);
    border-color: var(--pp-border-strong);
}

    .purchase-planning .btn-secondary:hover:not(:disabled) {
        background: var(--pp-surface-alt);
        border-color: var(--pp-text-muted);
    }

.purchase-planning .btn-primary {
    background: var(--pp-accent);
    color: #fff;
    border-color: var(--pp-accent);
}

    .purchase-planning .btn-primary:hover:not(:disabled) {
        background: var(--pp-accent-soft);
        transform: translateY(-1px);
        box-shadow: var(--pp-shadow-md);
    }

/* ============================================================
   RESUMEN DE SIMULACIÓN
   ============================================================ */
.pp-summary {
    display: flex;
    gap: 0;
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-lg);
    margin-bottom: 1.25rem;
    overflow: hidden;
    box-shadow: var(--pp-shadow-sm);
    animation: pp-fade-in 220ms ease-out;
}

.pp-summary-item {
    flex: 1;
    padding: 0.875rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    border-right: 1px solid var(--pp-border);
}

    .pp-summary-item:last-child {
        border-right: none;
    }

.pp-summary-label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--pp-text-muted);
}

.pp-summary-value {
    font-family: var(--pp-font-mono);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pp-text);
    letter-spacing: -0.01em;
}

.pp-summary-item:last-child .pp-summary-value {
    color: var(--pp-primary);
}

/* ============================================================
   ESTADOS
   ============================================================ */
.pp-loading,
.pp-empty {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--pp-text-muted);
    font-size: 0.9375rem;
    background: var(--pp-surface);
    border: 1px dashed var(--pp-border);
    border-radius: var(--pp-radius);
}

.pp-loading {
    position: relative;
    color: var(--pp-text);
}

    .pp-loading::after {
        content: '';
        display: inline-block;
        width: 14px;
        height: 14px;
        margin-left: 0.625rem;
        vertical-align: middle;
        border: 2px solid var(--pp-border-strong);
        border-top-color: var(--pp-accent);
        border-radius: 50%;
        animation: pp-spin 720ms linear infinite;
    }

.pp-error {
    padding: 0.875rem 1.125rem;
    background: var(--pp-error-bg);
    color: var(--pp-error-fg);
    border: 1px solid var(--pp-error-border);
    border-left: 3px solid var(--pp-error-fg);
    border-radius: var(--pp-radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* ============================================================
   GRID DE COLUMNAS (compartido por header y cards)
   ============================================================
   14 columnas con anchos calibrados para datos típicos.
   Definidas una sola vez como variable y reutilizadas.
*/
.purchase-planning {
    --pp-grid-cols: 48px /* photo  */
    minmax(220px, 2fr) /* ref    */
    minmax(60px, 1fr) /* stock  */
    minmax(60px, 1fr) /* zf     */
    minmax(80px, 1fr) /* stTot  */
    minmax(80px, 1fr) /* pedido */
    minmax(95px, 1fr) /* s+p    */
    minmax(70px, 1fr) /* fob    */
    minmax(95px, 1fr) /* total  */
    minmax(70px, 1fr) /* v30    */
    minmax(70px, 1fr) /* v60    */
    minmax(70px, 1fr) /* v90    */
    minmax(85px, 1fr) /* vTotal */
    minmax(90px, 1fr); /* prom   */
}

/* ============================================================
   HEADER DE COLUMNAS — sticky encima de las cards
   ============================================================ */
.pp-cards-header {
    display: grid;
    grid-template-columns: var(--pp-grid-cols);
    gap: 0.5rem;
    align-items: center;
    padding: 0.875rem 1rem;
    background: var(--pp-accent);
    color: #f1f5f9;
    border-radius: var(--pp-radius);
    margin-bottom: 0.75rem;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--pp-shadow-md);
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

    .pp-cards-header .pp-col {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

/* ============================================================
   LISTA DE CARDS
   ============================================================ */
.pp-cards {
    display: flex;
    flex-direction: column;
    gap: 0.625rem; /* respiro entre cards */
}

/* ============================================================
   CARD INDIVIDUAL
   ============================================================ */
.pp-card {
    background: var(--pp-surface);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-lg);
    box-shadow: var(--pp-shadow-sm);
    transition: transform var(--pp-tx), box-shadow var(--pp-tx), border-color var(--pp-tx);
    overflow: hidden;
    position: relative;
}

    .pp-card:hover {
        transform: translateY(-1px);
        box-shadow: var(--pp-shadow-md);
        border-color: var(--pp-border-strong);
    }

    /* Card con pedido activo: borde izquierdo ámbar */
    .pp-card.pp-card-active {
        border-color: rgba(180, 83, 9, 0.35);
        box-shadow: 0 0 0 1px rgba(180, 83, 9, 0.08), var(--pp-shadow-sm);
    }

        .pp-card.pp-card-active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--pp-primary) 0%, var(--pp-primary-hover) 100%);
            border-radius: var(--pp-radius-lg) 0 0 var(--pp-radius-lg);
        }

        .pp-card.pp-card-active:hover {
            border-color: rgba(180, 83, 9, 0.55);
            box-shadow: 0 0 0 1px rgba(180, 83, 9, 0.12), var(--pp-shadow-md);
        }

/* ============================================================
   FILA DENTRO DE LA CARD (datos / cobertura)
   ============================================================ */
.pp-card-row {
    display: grid;
    grid-template-columns: var(--pp-grid-cols);
    gap: 0.5rem;
    align-items: center;
    padding: 0.75rem 1rem;
}

/* Fila de datos */
.pp-card-row-data {
    border-bottom: 1px dashed var(--pp-border);
}

/* Fila de coberturas */
.pp-card-row-coverage {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.025) 0%, rgba(15, 23, 42, 0.015) 100%);
    padding-top: 0.625rem;
    padding-bottom: 0.75rem;
}

.pp-card.pp-card-active .pp-card-row-coverage {
    background: linear-gradient(90deg, rgba(180, 83, 9, 0.05) 0%, rgba(180, 83, 9, 0.018) 30%, rgba(15, 23, 42, 0.018) 100%);
}

/* ============================================================
   COLUMNAS (compartidas por header y card-row)
   ============================================================ */
.pp-col {
    min-width: 0;
}

.pp-col-photo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pp-col-ref {
    display: flex;
    flex-direction: column;
    gap: 0.1875rem;
    min-width: 0;
}

.pp-col-num {
    text-align: right;
    font-family: var(--pp-font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 0.8125rem;
    /*color: var(--pp-text);*/
}

.pp-cards-header .pp-col-num {
    font-family: var(--pp-font-body);
    font-size: 0.6875rem;
}

/* ============================================================
   FOTO Y REFERENCIA
   ============================================================ */
.pp-photo {
    width: 44px;
    height: 44px;
    object-fit: contain;
    background: var(--pp-surface-alt);
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-sm);
    padding: 2px;
    display: block;
}

.pp-ref-code {
    font-family: var(--pp-font-mono);
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--pp-text);
    letter-spacing: 0.01em;
}

.pp-ref-name {
    color: var(--pp-text-muted);
    font-size: 0.6875rem;
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ============================================================
   ÉNFASIS
   ============================================================ */
.pp-strong {
    font-weight: 600;
    color: var(--pp-accent) !important;
}

/* ============================================================
   INPUT DE PEDIDO
   ============================================================ */
.pp-pedido {
    font-family: var(--pp-font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    text-align: right;
    width: 100%;
    max-width: 80px;
    padding: 0.3125rem 0.5rem;
    border: 1px solid var(--pp-border);
    border-radius: var(--pp-radius-sm);
    background: var(--pp-surface);
    color: var(--pp-text);
    transition: all var(--pp-tx);
    outline: none;
    -moz-appearance: textfield;
    margin-left: auto;
    display: block;
}

    .pp-pedido::-webkit-outer-spin-button,
    .pp-pedido::-webkit-inner-spin-button {
        -webkit-appearance: none;
        margin: 0;
    }

    .pp-pedido:hover {
        border-color: var(--pp-border-strong);
    }

    .pp-pedido:focus {
        border-color: var(--pp-primary);
        box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.12);
        background: #fffdf7;
    }

.pp-card-active .pp-pedido {
    border-color: var(--pp-primary);
    background: #fffdf7;
    color: var(--pp-primary);
    font-weight: 600;
}

/* ============================================================
   COBERTURA — etiqueta y valores
   ============================================================ */
.pp-coverage-label {
    flex-direction: row !important;
    align-items: center;
    justify-content: flex-end;
    font-weight: 500;
    color: var(--pp-text-muted);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pp-coverage-label-icon {
    color: var(--pp-text-faint);
    margin-right: 0.4375rem;
    font-weight: 400;
    font-size: 0.875rem;
}

.pp-coverage-label-em {
    font-weight: 600;
    color: var(--pp-text);
    letter-spacing: 0.04em;
}

.pp-coverage-value {
    font-family: var(--pp-font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-block;
}

/* Semáforo */
.pp-cob-low .pp-coverage-value {
    color: var(--pp-cob-low-fg);
}

.pp-cob-warn .pp-coverage-value {
    color: var(--pp-cob-warn-fg);
}

.pp-cob-ok .pp-coverage-value {
    color: var(--pp-cob-ok-fg);
}

    /* Chip de color */
    .pp-cob-low .pp-coverage-value::before,
    .pp-cob-warn .pp-coverage-value::before,
    .pp-cob-ok .pp-coverage-value::before {
        content: '';
        display: inline-block;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        margin-right: 0.4375rem;
        vertical-align: middle;
        transform: translateY(-1px);
    }

.pp-cob-low .pp-coverage-value::before {
    background: var(--pp-cob-low-fg);
}

.pp-cob-warn .pp-coverage-value::before {
    background: var(--pp-cob-warn-fg);
}

.pp-cob-ok .pp-coverage-value::before {
    background: var(--pp-cob-ok-fg);
}

/* ============================================================
   ANIMACIONES
   ============================================================ */
@keyframes pp-fade-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pp-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1400px) {
    .pp-card-row,
    .pp-cards-header {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

@media (max-width: 1280px) {
    .purchase-planning {
        padding: 1rem 1.25rem;
    }

    .pp-search {
        width: 220px;
    }

    .pp-card-row,
    .pp-cards-header {
        font-size: 0.75rem;
    }
}

@media (max-width: 900px) {
    .pp-header {
        flex-direction: column;
        align-items: stretch;
    }

    .pp-actions {
        width: 100%;
    }

    .pp-search {
        flex: 1;
        width: auto;
        min-width: 0;
    }

    .pp-summary {
        flex-direction: column;
    }

    .pp-summary-item {
        border-right: none;
        border-bottom: 1px solid var(--pp-border);
    }

        .pp-summary-item:last-child {
            border-bottom: none;
        }
}