/* Meilijewelry shared smooth specification flow
 * Used by: index_product.php, index_product_amulet_detail.php, orderadmin.php
 * Scope: silent AJAX feedback + stable transitions only. Existing page-specific layouts stay untouched.
 */

.ml-spec-flow-host,
.ml-spec-flow-region {
    position: relative;
}

.ml-spec-flow-host::before,
.ml-spec-flow-region::before {
    content: '';
    position: absolute;
    z-index: 12;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    border-radius: 999px;
    opacity: 0;
    pointer-events: none;
    background: linear-gradient(90deg, #d9ad32, #f6d878, #2f73d6);
    transition: opacity .18s ease;
}

.ml-spec-flow-host.is-updating::before,
.ml-spec-flow-region.is-updating::before {
    opacity: 1;
    animation: ml-spec-progress 1.05s ease-in-out infinite;
}

@keyframes ml-spec-progress {
    0% { width: 8%; left: 0; }
    50% { width: 48%; left: 28%; }
    100% { width: 10%; left: 90%; }
}

.ml-spec-flow-status {
    display: flex;
    align-items: center;
    gap: .5rem;
    min-height: 0;
    margin: .55rem 0 0;
    padding: 0;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: #667085;
    font-size: .78rem;
    font-weight: 700;
    line-height: 1.45;
    opacity: 1;
    transition: opacity .18s ease, color .18s ease, background .18s ease, padding .18s ease;
}

.ml-spec-flow-status[hidden] {
    display: none !important;
}

.ml-spec-flow-status.is-working {
    color: #49627e;
}

.ml-spec-flow-status.is-ok {
    color: #2f6b50;
}

.ml-spec-flow-status.is-warning,
.ml-spec-flow-status.is-error {
    padding: .55rem .7rem;
    border: 1px solid rgba(196, 142, 25, .28);
    background: rgba(255, 247, 214, .72);
    color: #7b5a09;
}

.ml-spec-flow-status .ml-spec-spinner {
    width: .78rem;
    height: .78rem;
    flex: 0 0 auto;
    border: 2px solid rgba(47, 115, 214, .18);
    border-top-color: #2f73d6;
    border-radius: 50%;
    animation: ml-spec-spin .72s linear infinite;
}

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

#specCards,
.zone-price,
.price-result-card,
.grade-card,
.price-box,
#weightUnitText,
#specPriceUnitText,
#specPriceTotalText,
#dcPriceUnitText {
    transition: opacity .16s ease, transform .16s ease, background-color .16s ease, box-shadow .16s ease;
}

.ml-spec-flow-host.is-updating .zone-price,
.ml-spec-flow-region.is-updating #specCards {
    opacity: .72;
}

.spec-master-warning,
.ear-master-warning,
.order-ear-warning,
.ear-weight-warning {
    border-radius: 12px;
}

.ml-ear-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .55rem;
}

.ml-ear-summary-item {
    min-width: 0;
    padding: .6rem .7rem;
    border: 1px solid rgba(10, 35, 71, .09);
    border-radius: 12px;
    background: rgba(255,255,255,.72);
}

.ml-ear-summary-item span {
    display: block;
    color: #667085;
    font-size: .7rem;
    font-weight: 700;
}

.ml-ear-summary-item strong {
    display: block;
    margin-top: .15rem;
    color: #17345f;
    font-size: .86rem;
    font-weight: 800;
}

@media (max-width: 620px) {
    .ml-ear-summary-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ml-spec-flow-host::before,
    .ml-spec-flow-region::before,
    .ml-spec-flow-status,
    #specCards,
    .zone-price,
    .price-result-card,
    .grade-card,
    .price-box,
    #weightUnitText,
    #specPriceUnitText,
    #specPriceTotalText,
    #dcPriceUnitText {
        animation: none !important;
        transition: none !important;
    }
}