/* ═══════════════════════════════════════════════════════════
   Order → Item Cascading Picker — Styles
   ═══════════════════════════════════════════════════════════ */

/* ── Trigger Button ── */
.oip-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 3px 6px;
    border: 1px solid var(--erp-border, #d1d5db);
    border-radius: 6px;
    background: var(--erp-bg, #fff);
    color: var(--erp-text, #1e293b);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
    min-height: 26px;
    text-align: left;
    line-height: 1.3;
    overflow: hidden;
}
.oip-trigger:hover {
    border-color: var(--nature, #16a34a);
    box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.1);
}
.oip-trigger .oip-trigger-icon {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    color: var(--erp-text-faint, #94a3b8);
}
.oip-trigger .oip-trigger-text {
    flex: 1;
    min-width: 0;
    word-break: break-all;
}
.oip-trigger .oip-trigger-chevron {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
    color: var(--erp-text-faint, #94a3b8);
    transition: transform 0.2s;
}
.oip-trigger.oip-open .oip-trigger-chevron {
    transform: rotate(180deg);
}
.oip-trigger .oip-trigger-clear {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.oip-trigger .oip-trigger-clear:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* ── Overlay (mobile) ── */
.oip-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.25);
    z-index: 9998;
}
.oip-overlay.oip-visible { display: block; }

/* ── Floating Panel ── */
.oip-panel {
    position: fixed;
    z-index: 9999;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.06);
    min-width: 240px;
    max-width: 320px;
    max-height: 360px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s, transform 0.15s;
}
.oip-panel.oip-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Panel Header ── */
.oip-header {
    padding: 8px 10px;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f8fafc;
    flex-shrink: 0;
}
.oip-header-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #64748b;
}

/* ── Order List ── */
.oip-orders {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

/* ── Order Row ── */
.oip-order {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    cursor: pointer;
    transition: background 0.12s;
    border-bottom: 1px solid #f8fafc;
    gap: 6px;
}
.oip-order:hover, .oip-order.oip-active {
    background: #f0fdf4;
}
.oip-order-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
    flex: 1;
    min-width: 0;
}
.oip-order-no {
    font-size: 12px;
    font-weight: 700;
    color: #1e293b;
    white-space: nowrap;
}
.oip-order-date {
    font-size: 10px;
    color: #64748b;
    font-weight: 500;
}
.oip-order-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 9px;
    color: #94a3b8;
    font-weight: 500;
}
.oip-order-items-count {
    background: #e0f2fe;
    color: #0284c7;
    padding: 1px 5px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 9px;
}
.oip-order-arrow {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    color: #94a3b8;
    transition: color 0.12s, transform 0.12s;
}
.oip-order:hover .oip-order-arrow, .oip-order.oip-active .oip-order-arrow {
    color: #16a34a;
    transform: translateX(2px);
}

/* ── No Order / Direct row ── */
.oip-order.oip-direct {
    background: #fafafa;
    border-bottom: 2px solid #e2e8f0;
}
.oip-order.oip-direct .oip-order-no {
    color: #64748b;
    font-weight: 600;
    font-style: italic;
}

/* ── Items Sub-panel (Desktop Cascade) ── */
.oip-items-panel {
    position: fixed;
    z-index: 10000;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.06);
    min-width: 280px;
    max-width: 380px;
    max-height: 320px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.12s, transform 0.12s;
    pointer-events: none;
}
.oip-items-panel.oip-visible {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.oip-items-header {
    padding: 6px 10px;
    border-bottom: 1px solid #f1f5f9;
    background: #f8fafc;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #64748b;
    flex-shrink: 0;
}

.oip-items-list {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* ── Item Row ── */
.oip-item {
    padding: 8px 10px;
    cursor: pointer;
    transition: background 0.12s;
    border-bottom: 1px solid #f8fafc;
}
.oip-item:hover {
    background: #f0fdf4;
}
.oip-item:active {
    background: #dcfce7;
}
.oip-item-product {
    font-size: 12px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 2px;
}
.oip-item-details {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 10px;
    color: #64748b;
    font-weight: 500;
}
.oip-item-detail {
    display: inline-flex;
    align-items: center;
    gap: 2px;
}
.oip-item-pending {
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 10px;
    margin-left: auto;
}
.oip-item-pending.oip-has-pending {
    background: #dcfce7;
    color: #15803d;
}
.oip-item-pending.oip-no-pending {
    background: #fee2e2;
    color: #b91c1c;
}

/* ── Mobile: Accordion Items ── */
.oip-accordion-items {
    display: none;
    padding-left: 12px;
    border-left: 3px solid #dcfce7;
    background: #fafffe;
}
.oip-accordion-items.oip-expanded {
    display: block;
}
/* Rotate arrow down on mobile when expanded */
.oip-order.oip-expanded .oip-order-arrow {
    transform: rotate(90deg);
}

/* ── Mobile Panel Overrides ── */
@media (max-width: 768px) {
    .oip-panel {
        position: fixed;
        left: 8px !important;
        right: 8px !important;
        bottom: 8px !important;
        top: auto !important;
        max-width: none;
        max-height: 65vh;
        border-radius: 14px;
        transform: translateY(20px);
    }
    .oip-panel.oip-visible {
        transform: translateY(0);
    }
    .oip-items-panel {
        display: none !important; /* No cascade sub-panel on mobile */
    }
    .oip-order-arrow {
        /* On mobile, arrow points down for accordion */
        transform: rotate(90deg);
    }
    .oip-order.oip-expanded .oip-order-arrow {
        transform: rotate(270deg);
    }
}

/* ── Empty State ── */
.oip-empty {
    padding: 20px;
    text-align: center;
    color: #94a3b8;
    font-size: 12px;
    font-weight: 500;
}
.oip-empty i {
    display: block;
    font-size: 24px;
    margin-bottom: 6px;
    color: #cbd5e1;
}