/* Bảo Hành Sản Phẩm – giao diện công khai
   Đổi màu chủ đạo bằng cách ghi đè biến --wa-primary trong theme. */
.wa-wrap, .warranty-search-container, .warranty-card, .wa-lookup-msg, .wa-empty {
    --wa-primary: #1e5395;
    --wa-primary-hover: #17457d;
    --wa-text: #1d2733;
    --wa-muted: #5f6b7a;
    --wa-border: #dfe3e8;
    --wa-bg-soft: #f6f8fa;
    --wa-success: #1a7f37;
    --wa-success-bg: #e8f5ec;
    --wa-warning: #9a6700;
    --wa-warning-bg: #fff6e0;
    --wa-danger: #c62828;
    --wa-danger-bg: #fdecec;
    --wa-radius: 12px;
    font-family: inherit;
    color: var(--wa-text);
    box-sizing: border-box;
}
.wa-wrap *, .wa-wrap *::before, .wa-wrap *::after,
.warranty-search-container *, .warranty-card * { box-sizing: border-box; }

.wa-sr-only {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Form kích hoạt ---------- */
.wa-wrap { max-width: 680px; margin: 24px auto; }

.wa-lang { display: flex; justify-content: flex-end; align-items: center; gap: 4px; font-size: 14px; margin-bottom: 12px; color: var(--wa-muted); }
.wa-lang__item { padding: 4px 10px; border-radius: 999px; text-decoration: none; color: var(--wa-muted); }
.wa-lang a.wa-lang__item:hover { background: var(--wa-bg-soft); color: var(--wa-text); }
.wa-lang__item.is-active { background: var(--wa-primary); color: #fff; font-weight: 600; }

.warranty-form.wa-form {
    background: #fff; border: 1px solid var(--wa-border); border-radius: var(--wa-radius);
    padding: 28px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
    margin: 0;
}
.wa-form__head { margin-bottom: 20px; }
.wa-form__title { margin: 0 0 4px; font-size: 22px; line-height: 1.3; }
.wa-form__sub { margin: 0; color: var(--wa-muted); font-size: 15px; }

.wa-group { border: 0; padding: 0; margin: 22px 0 0; min-width: 0; }
.wa-group legend {
    font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
    color: var(--wa-muted); padding: 0; margin-bottom: 10px; width: 100%;
    border-bottom: 1px solid var(--wa-border); padding-bottom: 8px;
}
.wa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.wa-field { display: flex; flex-direction: column; min-width: 0; }
.wa-field--full { grid-column: 1 / -1; }

.wa-form label { font-weight: 600; font-size: 14px; margin: 0 0 6px; display: block; }
.wa-req { color: var(--wa-danger); }
.wa-opt { font-weight: 400; color: var(--wa-muted); font-size: 13px; }

.wa-form input[type=text], .wa-form input[type=tel], .wa-form input[type=date], .wa-form textarea {
    width: 100%; margin: 0; padding: 10px 12px; font-size: 16px; line-height: 1.4; /* 16px: tránh iOS tự zoom */
    color: var(--wa-text); background: #fff;
    border: 1px solid #c9d1da; border-radius: 8px; box-shadow: none;
    transition: border-color .15s, box-shadow .15s;
}
.wa-form textarea { resize: vertical; min-height: 64px; }
.wa-form input:focus, .wa-form textarea:focus {
    outline: none; border-color: var(--wa-primary); box-shadow: 0 0 0 3px rgba(30, 83, 149, .18);
}
.wa-form input:user-invalid, .wa-form textarea:user-invalid { border-color: var(--wa-danger); }

.wa-help { margin: 6px 0 0; font-size: 13px; color: var(--wa-muted); }
.wa-count { font-weight: 600; color: var(--wa-primary); }
.wa-count.is-over { color: var(--wa-danger); }

.wa-hp { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.wa-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    margin-top: 24px; padding: 13px 22px; min-height: 48px;
    font-size: 16px; font-weight: 600; line-height: 1.2; color: #fff;
    background: var(--wa-primary); border: 0; border-radius: 10px; cursor: pointer;
    transition: background .15s, transform .05s;
}
.wa-btn--block { width: 100%; }
.wa-btn:hover { background: var(--wa-primary-hover); }
.wa-btn:active { transform: translateY(1px); }
.wa-btn:focus-visible { outline: 3px solid rgba(30, 83, 149, .35); outline-offset: 2px; }
.wa-btn[disabled] { opacity: .7; cursor: progress; }
.wa-btn .wa-spinner {
    width: 16px; height: 16px; border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, .45); border-top-color: #fff; animation: wa-spin .7s linear infinite;
}
@keyframes wa-spin { to { transform: rotate(360deg); } }

/* ---------- Thông báo ---------- */
.wa-notices { display: grid; gap: 10px; margin-bottom: 16px; outline: none; }
.wa-alert, .warranty-message {
    padding: 12px 16px; border-radius: 10px; font-size: 15px; line-height: 1.5;
    border: 1px solid transparent; margin: 0;
}
.wa-alert--success, .warranty-message.success { background: var(--wa-success-bg, #e8f5ec); color: var(--wa-success, #1a7f37); border-color: #b7e0c3; }
.wa-alert--warning { background: var(--wa-warning-bg); color: var(--wa-warning); border-color: #f1d79a; }
.wa-alert--error, .warranty-message.error { background: var(--wa-danger-bg, #fdecec); color: var(--wa-danger, #c62828); border-color: #f4c2c2; }
.wa-alert a { color: inherit; font-weight: 600; }
.wa-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.wa-chips code {
    background: rgba(255, 255, 255, .75); color: inherit; padding: 2px 8px; border-radius: 6px;
    font-size: 13px; border: 1px solid currentColor; border-color: rgba(0, 0, 0, .08);
}

/* ---------- Ô tra cứu ---------- */
.warranty-search-container { max-width: 520px; margin: 0 auto 32px; text-align: center; }
.warranty-search-wrapper { position: relative; padding: 4px; }
.warranty-search-box {
    position: relative; display: flex !important; align-items: center !important; justify-content: space-between;
    background: #fff; border: 1px solid var(--wa-border); border-radius: 999px !important;
    box-shadow: 0 4px 14px rgba(16, 24, 40, .06); padding: 4px;
    transition: box-shadow .2s, border-color .2s;
}
.warranty-search-box:focus-within { border-color: var(--wa-primary); box-shadow: 0 0 0 4px rgba(30, 83, 149, .14); }
.warranty-search-box input {
    flex: 1 1 auto; min-width: 0; height: 44px !important; margin: 0 !important; padding: 0 18px !important;
    border: 0 !important; border-radius: 999px !important; box-shadow: none !important; outline: none !important;
    background: transparent; color: var(--wa-text); font-size: 16px; line-height: normal !important;
    letter-spacing: .02em;
}
.warranty-search-box input::-webkit-search-cancel-button { cursor: pointer; }
.warranty-search-box button {
    flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px;
    height: 40px !important; margin: 0 !important; padding: 0 22px;
    background: var(--wa-primary); color: #fff; border: 0; border-radius: 999px;
    font-size: 15px; font-weight: 600; cursor: pointer; transition: background .15s;
}
.warranty-search-box button:hover { background: var(--wa-primary-hover); }
.warranty-search-box button:focus-visible { outline: 3px solid rgba(30, 83, 149, .35); outline-offset: 2px; }

/* ---------- Thẻ kết quả ---------- */
.warranty-card {
    max-width: 680px; margin: 0 auto 32px; background: #fff; border: 1px solid var(--wa-border);
    border-radius: 16px; overflow: hidden; box-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px rgba(16, 24, 40, .08);
    text-align: left;
}
.warranty-card-header {
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 18px 24px; background: var(--wa-primary); color: #fff;
}
.header-label { font-size: 13px; opacity: .85; text-transform: uppercase; letter-spacing: .08em; }
.header-serial { font-size: 22px; font-weight: 700; letter-spacing: .04em; word-break: break-all; text-align: right; font-variant-numeric: tabular-nums; }

.wa-status-band { display: flex; align-items: center; gap: 20px; padding: 22px 24px; background: var(--wa-bg-soft); border-bottom: 1px solid var(--wa-border); }
.warranty-badge-section { flex: 0 0 auto; color: var(--wa-success); line-height: 0; }
.wa-state-expired .warranty-badge-section { color: #9aa4b1; }
.warranty-badge-img { max-height: 80px; width: auto; }
.wa-status-main { flex: 1 1 auto; min-width: 0; }
.footer-status {
    display: inline-block; padding: 5px 14px; border-radius: 999px; font-weight: 700; font-size: 14px;
    color: #fff; background: var(--wa-success);
}
.footer-status.status-active { background: var(--wa-success); }
.footer-status.status-expiring { background: #d97706; }
.footer-status.status-expired { background: var(--wa-danger); }
.wa-status-sub { margin: 8px 0 10px; font-size: 15px; color: var(--wa-muted); }
.wa-progress { height: 8px; background: #e3e8ee; border-radius: 999px; overflow: hidden; }
.wa-progress span { display: block; height: 100%; background: var(--wa-success); border-radius: inherit; }
.wa-state-expiring .wa-progress span { background: #d97706; }

.warranty-card-body { margin: 0; padding: 4px 0 8px; }
.warranty-row {
    display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
    padding: 13px 24px; border-bottom: 1px solid #eef1f4; margin: 0;
}
.warranty-row:last-child { border-bottom: 0; }
.w-col-label { flex: 0 0 40%; margin: 0; font-weight: 500; color: var(--wa-muted); font-size: 15px; }
.w-col-value { flex: 1 1 auto; margin: 0; font-weight: 600; color: var(--wa-text); text-align: right; font-size: 15px; word-break: break-word; }
.warranty-card-footer { font-size: 13px; padding: 12px 24px; background: var(--wa-bg-soft); border-top: 1px solid var(--wa-border); color: var(--wa-muted); }

.wa-empty, .wa-lookup-msg { max-width: 520px; margin: 0 auto 32px; text-align: center; display: grid; gap: 4px; }
.wa-empty span { font-size: 14px; opacity: .9; }

/* ---------- Mobile ---------- */
@media (max-width: 600px) {
    .warranty-form.wa-form { padding: 20px 16px; }
    .wa-grid { grid-template-columns: 1fr; }
    .warranty-card-header { flex-direction: column; align-items: flex-start; gap: 2px; padding: 16px 18px; }
    .header-serial { text-align: left; font-size: 20px; }
    .wa-status-band { padding: 18px; gap: 14px; }
    .warranty-badge-section svg, .warranty-badge-img { width: 48px; height: auto; }
    .warranty-row { flex-direction: column; gap: 2px; padding: 12px 18px; }
    .w-col-label { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
    .w-col-value { text-align: left; font-size: 16px; }
    .warranty-search-box button { padding: 0 14px; }
    .search-text { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .wa-wrap *, .warranty-search-container *, .warranty-card * { transition: none !important; animation: none !important; }
}