/* ============================================================
   WC Advanced Features — Frontend Design
   Brand: BuyPVA-style  |  Blue #1a56db / White / Clean
   Self-contained: overrides any theme for these elements.
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
.wcaf-tier-wrap,
.wcaf-vt-wrap,
.wcaf-upload-wrap,
.wcaf-customer-delivery {
    --wcaf-blue:       #1a56db;
    --wcaf-blue-dark:  #1344b8;
    --wcaf-blue-light: #eff4ff;
    --wcaf-blue-mid:   #dbeafe;
    --wcaf-text:       #111827;
    --wcaf-text-sub:   #4b5563;
    --wcaf-text-muted: #9ca3af;
    --wcaf-border:     #e5e7eb;
    --wcaf-border-focus: #1a56db;
    --wcaf-green:      #16a34a;
    --wcaf-green-bg:   #f0fdf4;
    --wcaf-red:        #dc2626;
    --wcaf-red-bg:     #fef2f2;
    --wcaf-radius:     12px;
    --wcaf-radius-sm:  8px;
    --wcaf-shadow:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --wcaf-shadow-md:  0 4px 12px rgba(26,86,219,.12);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ══════════════════════════════════════════════════════════════
   FEATURE 1 — TIER PRICING
   ══════════════════════════════════════════════════════════════ */
.wcaf-tier-wrap {
    margin: 24px 0 20px;
}

/* ── Price Table ── */
.wcaf-tier-price-table {
    border-radius: var(--wcaf-radius);
    overflow: hidden;
    border: 1.5px solid var(--wcaf-border);
    box-shadow: var(--wcaf-shadow);
    margin-bottom: 14px;
}

.wcaf-tier-price-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.wcaf-tier-price-table thead tr {
    background: var(--wcaf-blue);
}

.wcaf-tier-price-table thead th {
    padding: 12px 20px 12px 24px;
    text-align: left;
    font-weight: 700;
    font-size: 13px;
    color: #fff;
    letter-spacing: .3px;
}

.wcaf-tier-price-table thead th:last-child {
    text-align: right;
    padding-right: 24px;
}

.wcaf-tier-price-table tbody td {
    padding: 11px 20px 11px 24px;
    border-bottom: 1px solid var(--wcaf-border);
    color: var(--wcaf-text-sub);
    font-size: 14px;
    transition: background .15s;
}

.wcaf-tier-price-table tbody td:last-child {
    font-weight: 700;
    color: var(--wcaf-text);
    text-align: right;
    padding-right: 24px;
}

.wcaf-tier-price-table tbody tr:last-child td {
    border-bottom: none;
}

.wcaf-tier-price-table tbody tr:hover td {
    background: var(--wcaf-blue-light);
}

/* Active tier highlight */
.wcaf-tier-price-table tbody tr.wcaf-active-tier td {
    background: var(--wcaf-blue-mid) !important;
    color: var(--wcaf-blue-dark) !important;
    font-weight: 700 !important;
}

/* ── Live Price Bar ── */
.wcaf-live-price-bar {
    display: flex;
    align-items: center;
    gap: 0;
    border-radius: var(--wcaf-radius);
    overflow: hidden;
    border: 1.5px solid var(--wcaf-blue);
    box-shadow: var(--wcaf-shadow-md);
}

.wcaf-live-row {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 24px;
    gap: 3px;
    background: #fff;
}

.wcaf-live-row:first-child {
    border-right: 1.5px solid var(--wcaf-blue);
    background: var(--wcaf-blue-light);
}

.wcaf-live-row span:first-child {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--wcaf-blue);
}

#wcaf_unit_price,
#wcaf_total_price {
    font-size: 20px;
    font-weight: 800;
    color: var(--wcaf-blue-dark);
    line-height: 1.2;
}

/* ══════════════════════════════════════════════════════════════
   FEATURE 2 — VARIABLE TIER PRICING
   ══════════════════════════════════════════════════════════════ */
.wcaf-vt-wrap {
    margin: 24px 0 20px;
}

/* Hide default WC qty */
.wcaf-vt-wrap ~ .quantity {
    display: none !important;
}

/* ── Row Card ── */
.wcaf-vt-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #fff;
    border: 1.5px solid var(--wcaf-border);
    border-radius: var(--wcaf-radius);
    margin-bottom: 10px;
    gap: 16px;
    box-shadow: var(--wcaf-shadow);
    transition: border-color .2s, box-shadow .2s;
}

.wcaf-vt-row:hover {
    border-color: var(--wcaf-blue);
    box-shadow: var(--wcaf-shadow-md);
}

.wcaf-vt-info { flex: 1; min-width: 0; }

.wcaf-vt-name {
    font-weight: 700;
    font-size: 16px;
    color: var(--wcaf-text);
    margin-bottom: 4px;
}

.wcaf-vt-price {
    font-size: 15px;
    font-weight: 600;
    color: var(--wcaf-blue);
}

/* ── Qty Stepper — matches reference image ── */
.wcaf-qty-stepper {
    display: flex;
    align-items: stretch;
    border: 2px solid var(--wcaf-text);
    border-radius: 12px;
    overflow: hidden;
    min-width: 128px;
    flex-shrink: 0;
    background: #fff;
}

.wcaf-step-btn {
    width: 42px;
    background: #fff;
    border: none;
    font-size: 22px;
    font-weight: 400;
    cursor: pointer;
    color: var(--wcaf-text);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
    transition: background .15s, color .15s;
    user-select: none;
}

.wcaf-step-btn:hover {
    background: var(--wcaf-blue-light);
    color: var(--wcaf-blue);
}

.wcaf-step-input {
    width: 44px;
    border: none;
    border-left: 2px solid var(--wcaf-text);
    border-right: 2px solid var(--wcaf-text);
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--wcaf-text);
    background: #fff;
    padding: 10px 0;
    -moz-appearance: textfield;
    appearance: textfield;
}

.wcaf-step-input::-webkit-outer-spin-button,
.wcaf-step-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ── Total Bar ── */
.wcaf-vt-total-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: var(--wcaf-blue);
    border-radius: var(--wcaf-radius);
    margin-top: 4px;
    box-shadow: var(--wcaf-shadow-md);
}

.wcaf-vt-total-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,.85);
    text-transform: uppercase;
    letter-spacing: .4px;
}

.wcaf-vt-total-val {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}

/* ══════════════════════════════════════════════════════════════
   FEATURE 3 — CUSTOMER FILE UPLOAD + URL
   ══════════════════════════════════════════════════════════════ */
.wcaf-upload-wrap {
    margin: 24px 0;
    padding: 20px 22px;
    background: #fff;
    border: 1.5px solid var(--wcaf-border);
    border-radius: var(--wcaf-radius);
    box-shadow: var(--wcaf-shadow);
}

.wcaf-upload-wrap:focus-within {
    border-color: var(--wcaf-blue);
    box-shadow: var(--wcaf-shadow-md);
}

/* Field label */
.wcaf-upload-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 9px;
    color: var(--wcaf-text);
}

.wcaf-upload-label .required {
    color: var(--wcaf-red);
    font-size: 13px;
}

/* ── File input area ── */
.wcaf-upload-input-area {
    border: 2px dashed var(--wcaf-border);
    border-radius: var(--wcaf-radius-sm);
    padding: 14px 16px;
    background: var(--wcaf-blue-light);
    transition: border-color .2s, background .2s;
}

.wcaf-upload-input-area:focus-within {
    border-color: var(--wcaf-blue);
    background: #e8f0fe;
}

.wcaf-upload-input-area input[type="file"] {
    display: block;
    width: 100%;
    font-size: 14px;
    color: var(--wcaf-text-sub);
    cursor: pointer;
    padding: 4px 0;
}

.wcaf-accepted-formats {
    font-size: 11px;
    color: var(--wcaf-text-muted);
    margin-top: 6px;
    letter-spacing: .2px;
}

/* Upload preview */
.wcaf-upload-preview {
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--wcaf-green-bg);
    border: 1px solid #bbf7d0;
    border-radius: var(--wcaf-radius-sm);
    font-size: 13px;
    color: var(--wcaf-green);
    font-weight: 600;
}

/* Upload field spacing */
.wcaf-upload-field {
    margin-bottom: 16px;
}

/* ── URL Field ── */
.wcaf-url-field {
    margin-top: 0;
    padding-top: 16px;
    border-top: 1px solid var(--wcaf-border);
}

.wcaf-url-input {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1.5px solid var(--wcaf-border);
    border-radius: var(--wcaf-radius-sm);
    margin-top: 6px;
    box-sizing: border-box;
    color: var(--wcaf-text);
    background: #fff;
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}

.wcaf-url-input:focus {
    border-color: var(--wcaf-blue);
    box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}

/* Error message */
.wcaf-upload-error {
    margin-top: 10px;
    padding: 10px 14px;
    background: var(--wcaf-red-bg);
    border: 1px solid #fecaca;
    border-radius: var(--wcaf-radius-sm);
    font-size: 13px;
    color: var(--wcaf-red);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.wcaf-require-note {
    font-size: 12px;
    color: var(--wcaf-text-muted);
    margin: 10px 0 0 !important;
}

/* ══════════════════════════════════════════════════════════════
   CUSTOMER DELIVERY — My Account Order Page
   ══════════════════════════════════════════════════════════════ */
.wcaf-customer-delivery {
    margin: 28px 0;
    padding: 22px 26px;
    background: var(--wcaf-green-bg);
    border: 1.5px solid #86efac;
    border-radius: var(--wcaf-radius);
    box-shadow: var(--wcaf-shadow);
}

.wcaf-customer-delivery h2 {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    color: #166534;
}

.wcaf-customer-delivery p {
    margin: 0 0 12px;
    font-size: 14px;
    color: #166534;
}

.wcaf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 5px;
    padding: 10px 20px;
    background: var(--wcaf-green);
    color: #fff !important;
    border-radius: var(--wcaf-radius-sm);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none !important;
    transition: background .2s, transform .1s;
    box-shadow: 0 2px 8px rgba(22,163,74,.25);
}

.wcaf-download-btn:hover {
    background: #15803d;
    transform: translateY(-1px);
}

/* ══════════════════════════════════════════════════════════════
   SHARED — product loop price label
   ══════════════════════════════════════════════════════════════ */
.wcaf-per-unit {
    font-size: 13px;
    color: var(--wcaf-text-muted);
    font-weight: 400;
    margin-left: 3px;
}