/**
 * Trang tra cứu bảo hành — UI doanh nghiệp: spacing 8px scale, typography rõ ràng.
 * Font: Inter (đặt trong Blade).
 */

:root {
    --wr-primary: #990000;
    --wr-primary-hover: #7a0000;
    --wr-primary-muted: rgba(153, 0, 0, 0.1);
    --wr-primary-border: rgba(153, 0, 0, 0.22);
    --wr-surface: #ffffff;
    --wr-surface-alt: #f3f5f7;
    --wr-surface-elevated: #fafbfc;
    --wr-text: #0f172a;
    --wr-text-secondary: #475569;
    --wr-text-muted: #64748b;
    --wr-danger: #dc2626;
    --wr-radius-sm: 10px;
    --wr-radius: 16px;
    --wr-radius-lg: 20px;
    --wr-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --wr-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
    --wr-shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.1);
    --wr-font: 'Inter', 'Roboto', system-ui, sans-serif;
    --wr-section-y: clamp(3rem, 5vw, 5.5rem);
    --wr-container-max: 1080px;
}

.warranty-page {
    font-family: var(--wr-font);
    color: var(--wr-text);
    background: var(--wr-surface);
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
}

/* --- Hero --- */
.warranty-hero {
    position: relative;
    min-height: 240px;
    display: flex;
    align-items: center;
    background-color: #140505;
    background-image: linear-gradient(
            118deg,
            rgba(35, 5, 5, 0.92) 0%,
            rgba(35, 5, 5, 0.72) 45%,
            rgba(35, 5, 5, 0.42) 100%
        ),
        url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
}

@media (min-width: 992px) {
    .warranty-hero {
        min-height: 300px;
    }
}

.warranty-hero__inner {
    position: relative;
    z-index: 1;
    padding: var(--wr-section-y) 0;
    max-width: var(--wr-container-max);
    margin-left: auto;
    margin-right: auto;
}

.warranty-hero__eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 0.75rem;
}

.warranty-hero__title {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: #fff;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
}

.warranty-hero__subtitle {
    color: rgba(255, 255, 255, 0.88);
    font-weight: 400;
    font-size: 1.05rem;
    line-height: 1.55;
    max-width: 32rem;
    margin-bottom: 0;
}

/* Breadcrumb trên nền tối */
.warranty-breadcrumb .breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.8125rem;
}

.warranty-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.45);
}

.warranty-breadcrumb .breadcrumb-item a {
    color: #fecaca;
    text-decoration: none;
    font-weight: 500;
}

.warranty-breadcrumb .breadcrumb-item a:hover {
    color: #fee2e2;
    text-decoration: underline;
}

.warranty-breadcrumb .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.55);
}

/* --- Section --- */
.warranty-section {
    padding: var(--wr-section-y) 0;
}

.warranty-section--alt {
    background: var(--wr-surface-alt);
}

.warranty-section__head {
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .warranty-section__head {
        margin-bottom: 2.5rem;
    }
}

.warranty-section__label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--wr-primary);
    margin-bottom: 0.5rem;
}

.warranty-section__title {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--wr-text);
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    margin-bottom: 0.5rem;
}

.warranty-section__lead {
    color: var(--wr-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.65;
    max-width: 36rem;
}

/* --- Lookup panel --- */
.warranty-lookup-shell {
    max-width: var(--wr-container-max);
    margin-left: auto;
    margin-right: auto;
}

.warranty-lookup-panel {
    background: var(--wr-surface);
    border-radius: var(--wr-radius-lg);
    box-shadow: var(--wr-shadow);
    border: 1px solid rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

.warranty-lookup-panel__accent {
    height: 4px;
    background: linear-gradient(90deg, var(--wr-primary) 0%, #c62828 100%);
}

.warranty-lookup-panel__body {
    padding: 1.75rem 1.5rem 2rem;
}

@media (min-width: 768px) {
    .warranty-lookup-panel__body {
        padding: 2rem 2.25rem 2.25rem;
    }
}

.warranty-field-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--wr-text);
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

.warranty-input-wrap {
    position: relative;
}

.warranty-input-wrap .warranty-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--wr-text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.warranty-input-wrap .form-control {
    border-radius: var(--wr-radius-sm);
    border: 1px solid #e2e8f0;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    font-size: 0.9375rem;
    font-weight: 400;
    min-height: 52px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.warranty-input-wrap .form-control::placeholder {
    color: #94a3b8;
}

.warranty-input-wrap .form-control:hover {
    border-color: #cbd5e1;
}

.warranty-input-wrap .form-control:focus {
    border-color: var(--wr-primary);
    box-shadow: 0 0 0 4px var(--wr-primary-muted);
}

.warranty-input-hint {
    font-size: 0.8125rem;
    color: var(--wr-text-muted);
    margin-top: 0.625rem;
    line-height: 1.5;
}

.warranty-input-hint code {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--wr-text-secondary);
    background: var(--wr-surface-alt);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

/* Nút tra cứu */
.warranty-btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    min-height: 52px;
    padding: 0 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #fff;
    background: linear-gradient(180deg, #c62828 0%, var(--wr-primary) 100%);
    border: none;
    border-radius: var(--wr-radius-sm);
    box-shadow: var(--wr-shadow-sm), 0 4px 14px rgba(153, 0, 0, 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

@media (min-width: 768px) {
    .warranty-btn-submit {
        width: auto;
        min-width: 168px;
    }
}

.warranty-btn-submit:hover:not(:disabled) {
    transform: translateY(-1px);
    filter: brightness(1.03);
    box-shadow: 0 8px 24px rgba(153, 0, 0, 0.35);
}

.warranty-btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.warranty-btn-submit:focus-visible {
    outline: 2px solid var(--wr-primary);
    outline-offset: 2px;
}

.warranty-btn-submit:disabled {
    opacity: 0.72;
    cursor: not-allowed;
    transform: none;
}

.warranty-btn-submit .warranty-btn__idle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.warranty-btn-submit .warranty-btn__loading {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.warranty-btn-submit.is-loading .warranty-btn__idle {
    display: none;
}

.warranty-btn-submit.is-loading .warranty-btn__loading {
    display: inline-flex;
}

.warranty-spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: wr-spin 0.65s linear infinite;
}

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

.warranty-lookup-card .invalid-feedback {
    font-size: 0.8125rem;
    margin-top: 0.375rem;
}

/* --- Kết quả --- */
.warranty-result-wrap {
    margin-top: 2rem;
}

.warranty-result-empty {
    border-radius: var(--wr-radius);
    border: 1px dashed #cbd5e1;
    background: var(--wr-surface-elevated);
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--wr-text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    animation: wr-fade-up 0.45s ease forwards;
}

.warranty-result-card {
    border-radius: var(--wr-radius-lg);
    border: 1px solid var(--wr-primary-border);
    background: var(--wr-surface);
    box-shadow: var(--wr-shadow);
    overflow: hidden;
    animation: wr-fade-up 0.5s ease forwards;
    opacity: 0;
}

.warranty-result-card.is-visible {
    opacity: 1;
}

@keyframes wr-fade-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.warranty-result-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #fef2f2 0%, #fff5f5 50%, #f8fafc 100%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.warranty-result-card__head h3 {
    margin: 0;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--wr-text-secondary);
}

.warranty-result-grid {
    display: grid;
    gap: 0;
}

.warranty-result-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #f1f5f9;
}

@media (min-width: 576px) {
    .warranty-result-row {
        grid-template-columns: minmax(140px, 0.38fr) 1fr;
        align-items: baseline;
        gap: 1.25rem;
    }
}

.warranty-result-row:last-child {
    border-bottom: none;
}

.warranty-result-row dt {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--wr-text-muted);
    margin: 0;
}

.warranty-result-row dd {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--wr-text);
    line-height: 1.5;
}

.warranty-result-row dd.warranty-result-row__code {
    font-family: ui-monospace, 'Cascadia Code', 'SF Mono', Menlo, monospace;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--wr-text-secondary);
}

.warranty-badge-status {
    display: inline-flex;
    align-items: center;
    font-size: 0.8125rem;
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    letter-spacing: 0.02em;
}

.warranty-badge-status--active {
    background: rgba(153, 0, 0, 0.1);
    color: #991b1b;
    border: 1px solid rgba(153, 0, 0, 0.28);
}

.warranty-badge-status--expired {
    background: rgba(220, 38, 38, 0.08);
    color: var(--wr-danger);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

/* --- Chính sách --- */
.warranty-policy-grid .col-lg-6 {
    display: flex;
}

.warranty-policy-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--wr-surface);
    border-radius: var(--wr-radius);
    border: 1px solid #e2e8f0;
    box-shadow: var(--wr-shadow-sm);
    padding: 1.75rem 1.5rem;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

@media (min-width: 768px) {
    .warranty-policy-card {
        padding: 2rem 1.75rem;
    }
}

.warranty-policy-card:hover {
    box-shadow: var(--wr-shadow);
    border-color: #cbd5e1;
}

.warranty-policy-card__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.warranty-policy-card--yes .warranty-policy-card__icon {
    background: rgba(153, 0, 0, 0.1);
    color: var(--wr-primary);
}

.warranty-policy-card--no .warranty-policy-card__icon {
    background: rgba(220, 38, 38, 0.08);
    color: var(--wr-danger);
}

.warranty-policy-card h3 {
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
    margin-bottom: 1.125rem;
    color: var(--wr-text);
}

.warranty-policy-card--yes h3 {
    color: #991b1b;
}

.warranty-policy-card--no h3 {
    color: #b91c1c;
}

.warranty-policy-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.warranty-policy-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--wr-text-secondary);
}

.warranty-policy-list li:last-child {
    margin-bottom: 0;
}

.warranty-policy-list .bi {
    flex-shrink: 0;
    margin-top: 0.2rem;
    font-size: 1rem;
}

.text-warranty-ok {
    color: var(--wr-primary);
}

.text-warranty-bad {
    color: var(--wr-danger);
}