/* ==========================================================================
   116 · 事故车辆贬值损失评估
   视觉概念：鉴定文书 —— 米白纸感 + 墨绿 + 铜金，衬线标题，评估单编号分段
   深浅主题：变量挂在 :root，[data-theme="dark"] 覆盖
   ========================================================================== */

:root {
    --ad-paper: #fcfbf7;
    --ad-paper-2: #f4f1e8;
    --ad-ink: #17251f;
    --ad-ink-2: #3f524a;
    --ad-muted: #7c8b83;
    --ad-line: #e2ddd1;
    --ad-line-2: #d3ccbc;
    --ad-accent: #0f6b57;
    --ad-accent-soft: #e7f0ea;
    --ad-gold: #a9803c;
    --ad-gold-soft: #f6efe0;
    --ad-bad: #a33a2c;
    --ad-bad-soft: #fbeeeb;
    --ad-ok: #2f7a52;
    --ad-shadow: 0 26px 50px -42px rgba(23, 37, 31, .55);
    --ad-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
    --ad-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --ad-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
    --ad-paper: #121a17;
    --ad-paper-2: #18211d;
    --ad-ink: #e9e6dd;
    --ad-ink-2: #bcc7c0;
    --ad-muted: #86948c;
    --ad-line: #26322c;
    --ad-line-2: #33413a;
    --ad-accent: #4bbf9b;
    --ad-accent-soft: #123329;
    --ad-gold: #d3a962;
    --ad-gold-soft: #2a2314;
    --ad-bad: #e08a7c;
    --ad-bad-soft: #2c1714;
    --ad-ok: #5fc08c;
    --ad-shadow: 0 26px 54px -40px rgba(0, 0, 0, .85);
}

/* ---------------- 首屏 ---------------- */
.ad-hero {
    position: relative;
    padding: 34px 0 0;
    overflow: hidden;
    background:
        radial-gradient(58% 60% at 8% 0%, color-mix(in srgb, var(--ad-accent) 8%, transparent) 0%, transparent 70%),
        radial-gradient(46% 46% at 92% 4%, color-mix(in srgb, var(--ad-gold) 9%, transparent) 0%, transparent 72%);
}
.ad-hero-in {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
    align-items: center;
    padding-bottom: 34px;
}
.ad-crumb {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 16px;
    font-size: 12.5px;
    color: var(--ad-muted);
}
.ad-crumb a { color: var(--ad-muted); text-decoration: none; }
.ad-crumb a:hover { color: var(--ad-accent); }
.ad-crumb i { font-style: normal; opacity: .55; }

.ad-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-family: var(--ad-mono);
    font-size: 11.5px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ad-gold);
}
.ad-eyebrow::before {
    content: "";
    width: 22px;
    height: 1px;
    background: currentColor;
    opacity: .7;
}
.ad-h1 {
    margin: 0 0 14px;
    font-family: var(--ad-serif);
    font-size: clamp(29px, 3.4vw, 42px);
    line-height: 1.26;
    letter-spacing: -.01em;
    font-weight: 700;
    color: var(--ad-ink);
}
.ad-h1 em { font-style: normal; color: var(--ad-accent); }
.ad-sub {
    margin: 0;
    max-width: 48ch;
    font-size: 15.5px;
    line-height: 1.9;
    color: var(--ad-ink-2);
}
.ad-sub b { color: var(--ad-ink); font-weight: 600; white-space: nowrap; }
.ad-points {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}
.ad-points li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    border: 1px solid var(--ad-line);
    border-radius: 6px;
    background: var(--ad-paper);
    font-size: 12.5px;
    color: var(--ad-ink-2);
}
.ad-points li::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--ad-gold);
}

/* 右：评估编号牌 */
.ad-seal {
    position: relative;
    padding: 22px 22px 20px;
    border: 1px solid var(--ad-line-2);
    border-radius: 4px;
    background: var(--ad-paper);
    box-shadow: var(--ad-shadow);
}
.ad-seal::before,
.ad-seal::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--ad-line-2) 0 6px, transparent 6px 12px);
}
.ad-seal::before { top: 10px; }
.ad-seal::after { bottom: 10px; }
.ad-seal-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--ad-line);
}
.ad-seal-head span {
    font-family: var(--ad-mono);
    font-size: 10.5px;
    letter-spacing: .14em;
    color: var(--ad-muted);
}
.ad-seal-head b {
    font-family: var(--ad-mono);
    font-size: 11.5px;
    color: var(--ad-accent);
    letter-spacing: .06em;
}
.ad-seal-body { padding: 14px 0 4px; }
.ad-seal-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    padding: 5px 0;
    font-size: 13px;
    color: var(--ad-ink-2);
}
.ad-seal-row b {
    font-family: var(--ad-mono);
    font-size: 14px;
    color: var(--ad-ink);
    font-variant-numeric: tabular-nums;
}
.ad-seal-note {
    margin: 12px 0 0;
    padding-top: 10px;
    border-top: 1px dashed var(--ad-line-2);
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--ad-muted);
}

/* 主题三态 */
.ad-theme {
    display: inline-flex;
    gap: 2px;
    margin-top: 18px;
    padding: 3px;
    border: 1px solid var(--ad-line);
    border-radius: 7px;
    background: var(--ad-paper-2);
}
.ad-theme button {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--ad-muted);
    font: inherit;
    font-size: 12px;
    padding: 5px 11px;
    border-radius: 5px;
    cursor: pointer;
    transition: background .15s, color .15s;
}
.ad-theme button:hover { color: var(--ad-ink); }
.ad-theme button[aria-pressed="true"] {
    background: var(--ad-accent);
    color: #fff;
    font-weight: 600;
}

/* ---------------- 工作台 ---------------- */
.ad-main { padding-bottom: 8px; }
.ad-work {
    display: grid;
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.ad-card {
    border: 1px solid var(--ad-line);
    border-radius: 8px;
    background: var(--ad-paper);
    box-shadow: var(--ad-shadow);
}
.ad-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    border-bottom: 1px solid var(--ad-line);
}
.ad-card-head h2 {
    margin: 0;
    font-family: var(--ad-serif);
    font-size: 15.5px;
    font-weight: 700;
    color: var(--ad-ink);
    letter-spacing: .01em;
}
.ad-card-head .ad-idx {
    font-family: var(--ad-mono);
    font-size: 11px;
    color: var(--ad-gold);
    padding: 2px 7px;
    border: 1px solid color-mix(in srgb, var(--ad-gold) 40%, transparent);
    border-radius: 3px;
    letter-spacing: .08em;
}
.ad-card-head .ad-head-side {
    margin-left: auto;
    font-size: 12px;
    color: var(--ad-muted);
}

/* 表单 */
.ad-form { padding: 4px 18px 18px; }
.ad-sec {
    padding: 16px 0 4px;
    border-bottom: 1px dashed var(--ad-line);
}
.ad-sec:last-of-type { border-bottom: 0; }
.ad-sec-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 12px;
    font-family: var(--ad-mono);
    font-size: 11px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ad-muted);
}
.ad-sec-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--ad-line);
}

.ad-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 14px;
}
.ad-field { display: grid; gap: 6px; min-width: 0; }
.ad-field.is-wide { grid-column: 1 / -1; }
.ad-field > label {
    font-size: 12.5px;
    color: var(--ad-ink-2);
    display: flex;
    align-items: baseline;
    gap: 6px;
}
.ad-field > label small { color: var(--ad-muted); font-size: 11.5px; }
.ad-input,
.ad-select {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--ad-line-2);
    border-radius: 6px;
    background: var(--ad-paper-2);
    color: var(--ad-ink);
    font-family: var(--ad-mono);
    font-size: 14px;
    padding: 9px 11px;
    outline: none;
    transition: border-color .15s, background .15s;
    font-variant-numeric: tabular-nums;
}
.ad-input:focus,
.ad-select:focus {
    border-color: var(--ad-accent);
    background: var(--ad-paper);
}
.ad-input.is-bad { border-color: var(--ad-bad); background: var(--ad-bad-soft); }
.ad-select { font-family: var(--ad-sans); font-size: 13.5px; cursor: pointer; }

.ad-unit {
    position: relative;
}
.ad-unit .ad-input { padding-right: 42px; }
.ad-unit span {
    position: absolute;
    right: 11px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--ad-muted);
    pointer-events: none;
}

/* 损伤部位多选 */
.ad-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.ad-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border: 1px solid var(--ad-line-2);
    border-radius: 6px;
    background: var(--ad-paper-2);
    font-size: 12.8px;
    color: var(--ad-ink-2);
    cursor: pointer;
    user-select: none;
    transition: border-color .15s, background .15s, color .15s;
}
.ad-chip:hover { border-color: var(--ad-accent); }
.ad-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.ad-chip i {
    width: 13px;
    height: 13px;
    border: 1px solid var(--ad-line-2);
    border-radius: 3px;
    display: grid;
    place-items: center;
    font-style: normal;
    font-size: 10px;
    color: transparent;
    background: var(--ad-paper);
}
.ad-chip:has(input:checked) {
    border-color: var(--ad-accent);
    background: var(--ad-accent-soft);
    color: var(--ad-accent);
    font-weight: 600;
}
.ad-chip:has(input:checked) i {
    background: var(--ad-accent);
    border-color: var(--ad-accent);
    color: #fff;
}
.ad-chip:has(input:focus-visible) { outline: 2px solid var(--ad-accent); outline-offset: 2px; }
.ad-chip-grp {
    margin-top: 10px;
}
.ad-chip-grp:first-child { margin-top: 0; }
.ad-chip-grp > b {
    display: block;
    margin-bottom: 7px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--ad-muted);
    letter-spacing: .04em;
}

/* 操作条 */
.ad-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 16px 0 0;
    border-top: 1px solid var(--ad-line);
    margin-top: 16px;
}
.ad-btn {
    appearance: none;
    font: inherit;
    font-size: 13px;
    padding: 9px 16px;
    border-radius: 6px;
    border: 1px solid var(--ad-line-2);
    background: var(--ad-paper);
    color: var(--ad-ink-2);
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
    white-space: nowrap;
}
.ad-btn:hover { border-color: var(--ad-ink); color: var(--ad-ink); }
.ad-btn.is-primary {
    background: var(--ad-accent);
    border-color: var(--ad-accent);
    color: #fff;
    font-weight: 600;
}
.ad-btn.is-primary:hover { background: color-mix(in srgb, var(--ad-accent) 88%, #000); }
.ad-btn.is-ghost { background: transparent; }
.ad-actions .ad-spacer { flex: 1 1 auto; }

/* 示例快捷 */
.ad-demos {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin-top: 12px;
}
.ad-demos > span {
    font-size: 12px;
    color: var(--ad-muted);
}
.ad-demos button {
    appearance: none;
    border: 1px dashed var(--ad-line-2);
    background: transparent;
    color: var(--ad-ink-2);
    font: inherit;
    font-size: 12.2px;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}
.ad-demos button:hover { border-color: var(--ad-accent); color: var(--ad-accent); }

/* ---------------- 结论 ---------------- */
.ad-result { position: sticky; top: 16px; }
.ad-verdict { padding: 20px 20px 16px; }
.ad-verdict-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--ad-muted);
    letter-spacing: .04em;
}
.ad-verdict-label::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ad-gold);
}
.ad-amount {
    margin: 6px 0 2px;
    font-family: var(--ad-serif);
    font-size: clamp(32px, 4.4vw, 44px);
    line-height: 1.1;
    font-weight: 700;
    color: var(--ad-accent);
    letter-spacing: -.02em;
    font-variant-numeric: tabular-nums;
}
.ad-amount small {
    font-family: var(--ad-sans);
    font-size: 15px;
    font-weight: 500;
    margin-left: 4px;
    color: var(--ad-ink-2);
}
.ad-range {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--ad-muted);
}
.ad-range b {
    font-family: var(--ad-mono);
    color: var(--ad-ink-2);
    font-variant-numeric: tabular-nums;
}

/* 贬值率条 */
.ad-meter {
    margin-top: 16px;
}
.ad-meter-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 12px;
    color: var(--ad-muted);
    margin-bottom: 6px;
}
.ad-meter-head b {
    font-family: var(--ad-mono);
    font-size: 15px;
    color: var(--ad-ink);
}
.ad-meter-track {
    height: 8px;
    border-radius: 4px;
    background: var(--ad-paper-2);
    border: 1px solid var(--ad-line);
    overflow: hidden;
}
.ad-meter-fill {
    height: 100%;
    width: 0;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--ad-accent), var(--ad-gold));
    transition: width .35s ease;
}
.ad-meter-scale {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-family: var(--ad-mono);
    font-size: 10.5px;
    color: var(--ad-muted);
}

/* 关键结论行 */
.ad-facts {
    margin-top: 16px;
    border-top: 1px solid var(--ad-line);
}
.ad-fact {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 0;
    border-bottom: 1px dashed var(--ad-line);
    font-size: 13px;
    color: var(--ad-ink-2);
}
.ad-fact:last-child { border-bottom: 0; }
.ad-fact b {
    font-family: var(--ad-mono);
    font-size: 13.5px;
    color: var(--ad-ink);
    font-variant-numeric: tabular-nums;
}
.ad-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 600;
}
.ad-tag.is-high { background: var(--ad-bad-soft); color: var(--ad-bad); }
.ad-tag.is-mid { background: var(--ad-gold-soft); color: var(--ad-gold); }
.ad-tag.is-low { background: var(--ad-accent-soft); color: var(--ad-ok); }

/* 明细 */
.ad-detail { padding: 4px 20px 18px; }
.ad-detail h3 {
    margin: 14px 0 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    color: var(--ad-muted);
}
.ad-detail table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.8px;
}
.ad-detail th,
.ad-detail td {
    padding: 7px 0;
    text-align: left;
    border-bottom: 1px dashed var(--ad-line);
}
.ad-detail th {
    font-weight: 600;
    color: var(--ad-muted);
    font-size: 11.5px;
    letter-spacing: .04em;
}
.ad-detail td:last-child,
.ad-detail th:last-child { text-align: right; font-family: var(--ad-mono); font-variant-numeric: tabular-nums; }
.ad-detail td { color: var(--ad-ink-2); }
.ad-detail tfoot td {
    border-bottom: 0;
    border-top: 1px solid var(--ad-line);
    padding-top: 9px;
    color: var(--ad-ink);
    font-weight: 600;
}

/* 提示 */
.ad-note {
    margin: 12px 0 0;
    padding: 11px 13px;
    border-left: 3px solid var(--ad-gold);
    border-radius: 4px;
    background: var(--ad-gold-soft);
    font-size: 12.2px;
    line-height: 1.8;
    color: var(--ad-ink-2);
}
.ad-note.is-bad {
    border-left-color: var(--ad-bad);
    background: var(--ad-bad-soft);
}
.ad-note b { color: var(--ad-ink); }

/* ---------------- 对比 ---------------- */
.ad-compare { margin-top: 18px; padding: 16px 18px; }
.ad-compare-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.ad-compare-head h2 {
    margin: 0;
    font-family: var(--ad-serif);
    font-size: 15.5px;
    color: var(--ad-ink);
}
.ad-compare-head span { font-size: 12px; color: var(--ad-muted); }
.ad-compare-head .ad-btn { margin-left: auto; padding: 6px 12px; font-size: 12.2px; }
.ad-compare-wrap { overflow-x: auto; }
.ad-compare table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
    font-size: 12.8px;
}
.ad-compare th,
.ad-compare td {
    padding: 9px 10px;
    text-align: left;
    border-bottom: 1px dashed var(--ad-line);
    white-space: nowrap;
}
.ad-compare th { color: var(--ad-muted); font-weight: 600; font-size: 11.5px; }
.ad-compare td { color: var(--ad-ink-2); font-variant-numeric: tabular-nums; }
.ad-compare td b { color: var(--ad-ink); font-family: var(--ad-mono); }
.ad-compare .ad-empty { color: var(--ad-muted); font-size: 12.5px; }
.ad-compare button.ad-del {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--ad-muted);
    cursor: pointer;
    font-size: 13px;
    padding: 0 2px;
}
.ad-compare button.ad-del:hover { color: var(--ad-bad); }

/* ---------------- 说明区 ---------------- */
.ad-doc { margin-top: 34px; }
.ad-doc-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.ad-doc-block {
    padding: 18px 20px;
    border: 1px solid var(--ad-line);
    border-radius: 8px;
    background: var(--ad-paper);
}
.ad-doc-block h2 {
    margin: 0 0 10px;
    font-family: var(--ad-serif);
    font-size: 17px;
    color: var(--ad-ink);
}
.ad-doc-block p,
.ad-doc-block li {
    font-size: 13.4px;
    line-height: 1.95;
    color: var(--ad-ink-2);
}
.ad-doc-block p { margin: 0 0 9px; }
.ad-doc-block p:last-child { margin-bottom: 0; }
.ad-doc-block ol,
.ad-doc-block ul { margin: 0; padding-left: 20px; }
.ad-doc-block li + li { margin-top: 5px; }
.ad-doc-block b { color: var(--ad-ink); }
.ad-doc-block code {
    font-family: var(--ad-mono);
    font-size: 12.2px;
    padding: 1px 5px;
    border-radius: 3px;
    background: var(--ad-paper-2);
    color: var(--ad-accent);
}

.ad-formula {
    margin: 10px 0 0;
    padding: 12px 14px;
    border: 1px dashed var(--ad-line-2);
    border-radius: 6px;
    background: var(--ad-paper-2);
    font-family: var(--ad-mono);
    font-size: 12.2px;
    line-height: 1.9;
    color: var(--ad-ink-2);
    overflow-x: auto;
}

/* 复制提示 */
.ad-toast {
    position: fixed;
    left: 50%;
    bottom: 26px;
    transform: translate(-50%, 10px);
    z-index: 90;
    max-width: min(88vw, 440px);
    padding: 10px 18px;
    border-radius: 6px;
    background: var(--ad-ink);
    color: var(--ad-paper);
    font-size: 13px;
    line-height: 1.6;
    box-shadow: 0 16px 32px -20px rgba(0, 0, 0, .7);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
}
.ad-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1000px) {
    .ad-hero-in { grid-template-columns: minmax(0, 1fr); gap: 26px; }
    .ad-seal { max-width: 420px; }
    .ad-work { grid-template-columns: minmax(0, 1fr); }
    .ad-result { position: static; }
    .ad-doc-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 620px) {
    .ad-hero { padding-top: 22px; }
    .ad-hero-in { padding-bottom: 20px; gap: 16px; }
    .ad-h1 { font-size: 26px; }
    .ad-sub { font-size: 14.2px; line-height: 1.85; max-width: none; }
    /* 小屏把编号牌收起，保证工具入口留在首屏 */
    .ad-seal { display: none; }
    .ad-points { margin-top: 12px; }
    .ad-points li { padding: 5px 10px; font-size: 12px; }
    .ad-theme { margin-top: 12px; }
    .ad-crumb { margin-bottom: 10px; }
    .ad-grid { grid-template-columns: minmax(0, 1fr); }
    .ad-btn { flex: 1 1 auto; text-align: center; }
    .ad-actions .ad-spacer { display: none; }
    .ad-card-head { padding: 11px 14px; }
    .ad-form { padding: 2px 14px 14px; }
    .ad-verdict { padding: 16px 14px 14px; }
    .ad-detail { padding: 2px 14px 16px; }
    .ad-compare { padding: 14px; }
    .ad-amount { font-size: 34px; }
}