/* =========================================================
   KIỂM XE — giao diện
   ========================================================= */
:root {
  --bg: #0c0e12;
  --bg2: #101319;
  --panel: #14171d;
  --panel2: #191d25;
  --line: #232833;
  --line2: #2e3543;
  --ink: #eef1f6;
  --ink2: #a7aeba;
  --muted: #7c8492;
  --acc: #ffd166;
  --blue: #3987e5;
  --good: #0ca30c;
  --warn: #fab219;
  --serious: #ec835a;
  --crit: #d03b3b;
  --r: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1100px 600px at 78% -10%, rgba(57, 135, 229, .13), transparent 60%),
    radial-gradient(800px 500px at 8% 8%, rgba(255, 209, 102, .07), transparent 55%),
    var(--bg);
  color: var(--ink);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 .4em; line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 .7em; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
canvas { display: block; width: 100%; height: 100%; }

/* ---------------- Nút ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 9px 15px; border-radius: 10px; border: 1px solid var(--line2);
  background: var(--panel2); color: var(--ink); font: inherit; font-weight: 600;
  cursor: pointer; transition: .16s; white-space: nowrap;
}
.btn:hover { border-color: #3d465a; background: #1e232c; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(180deg, #4a94ee, #2f76cf); border-color: #2f76cf; color: #fff; }
.btn-primary:hover { background: linear-gradient(180deg, #59a0f4, #3a81d8); }
.btn-ghost { background: transparent; }
.btn-lg { padding: 12px 20px; font-size: 15.5px; border-radius: 11px; }
.mini {
  width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--line2);
  background: var(--panel2); color: var(--ink2); cursor: pointer; font-size: 13px; line-height: 1;
}
.mini:hover { color: var(--ink); border-color: #465065; }

/* ---------------- Thanh trên ---------------- */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px; border-bottom: 1px solid var(--line);
  background: rgba(12, 14, 18, .82); backdrop-filter: blur(12px);
}
.topbar.sticky { position: sticky; top: 0; z-index: 40; }
/* Nhãn nút tách làm biểu tượng + chữ để màn hình hẹp giấu bớt chữ đi. */
.b-ic + .b-lb { margin-left: 6px; }
.b-lb + .b-ic { margin-left: 6px; }
.topbar > .btn:first-child { margin-right: 2px; }
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px;
  background: linear-gradient(140deg, var(--acc), #e0912c); color: #14161b; font-size: 19px; font-weight: 800;
}
.brand b { display: block; font-size: 16px; letter-spacing: -.02em; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.carid { margin-right: auto; min-width: 0; }
.carid b { display: block; font-size: 15px; }
.carid small { display: block; color: var(--muted); font-size: 12px; }
.steps { display: flex; gap: 16px; margin-left: auto; color: var(--muted); font-size: 13px; }
.steps b { color: var(--acc); }
.topscore { display: flex; align-items: center; gap: 10px; padding-right: 4px; }
.ts-num {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  font-weight: 800; font-size: 19px; color: var(--c, var(--muted));
  border: 2px solid color-mix(in oklab, var(--c, #444) 55%, transparent);
  background: color-mix(in oklab, var(--c, #444) 12%, transparent);
}
.ts-txt b { display: block; font-size: 13px; }
.ts-txt small { display: block; color: var(--muted); font-size: 11.5px; }

/* ---------------- Trang chủ ---------------- */
.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 26px; align-items: center;
  padding: 40px 24px 26px; max-width: 1280px; margin: 0 auto;
}
.hero h1 { font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -.03em; }
.hero p { color: var(--ink2); font-size: 15.5px; max-width: 60ch; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.hero-3d { position: relative; height: 340px; border-radius: 20px; border: 1px solid var(--line); background: linear-gradient(180deg, #12151b, #0e1116); overflow: hidden; }
.hero-3d::after { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 50% at 50% 40%, rgba(90, 150, 220, .10), transparent 70%); pointer-events: none; }
.hero-hint, .viewer-hint { position: absolute; left: 0; right: 0; bottom: 10px; text-align: center; font-size: 11.5px; color: var(--muted); }
.viewer-hint { position: static; margin-top: 8px; line-height: 1.5; }

.section { max-width: 1280px; margin: 0 auto; padding: 10px 24px 50px; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.section-head h2 { font-size: 19px; margin: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }

.card {
  display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 14px; transition: .18s; position: relative;
}
.card:hover { border-color: #38414f; transform: translateY(-2px); box-shadow: var(--shadow); }
.card-top { display: flex; align-items: center; gap: 12px; }
.card-swatch {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 22px;
  background: color-mix(in oklab, var(--paint) 26%, #14171d); border: 1px solid color-mix(in oklab, var(--paint) 45%, var(--line));
}
.card-id { min-width: 0; flex: 1; }
.card-id b { display: block; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-id small { color: var(--muted); font-size: 12px; }
.card-score { text-align: right; }
.card-score span { display: block; font-size: 24px; font-weight: 800; color: var(--c); line-height: 1; }
.card-score small { color: var(--muted); font-size: 11px; }
.card-meta { display: flex; gap: 12px; margin: 10px 0 8px; color: var(--ink2); font-size: 12.5px; flex-wrap: wrap; }
.prog { height: 5px; border-radius: 3px; background: #1e222b; overflow: hidden; }
.prog i { display: block; height: 100%; background: var(--blue); transition: width .3s; }
.prog.big { height: 7px; }
.card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 9px; font-size: 12px; }
.card-actions { display: flex; align-items: center; gap: 6px; }
.flag { color: var(--crit); font-style: normal; font-weight: 700; font-size: 11.5px; }
.stamp { position: absolute; top: 14px; right: 14px; font-size: 10.5px; display: none; }

.empty { text-align: center; padding: 60px 20px; border: 1px dashed var(--line2); border-radius: var(--r); }
.empty-icon { font-size: 40px; margin-bottom: 8px; }
.foot { max-width: 1280px; margin: 0 auto; padding: 0 24px 40px; color: var(--muted); font-size: 12.5px; }

/* ---------------- Form tạo xe ---------------- */
.newwrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; max-width: 1180px; margin: 24px auto; padding: 0 24px 60px; align-items: start; }
.card-panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.form h2 { font-size: 21px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form label { display: block; font-size: 12.5px; color: var(--ink2); font-weight: 600; }
.form label.block { margin: 14px 0 8px; }
.form input, .form select, .note {
  width: 100%; margin-top: 5px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line2); background: #0f1218; color: var(--ink); font: inherit;
}
.form input:focus, .form select:focus, .note:focus { outline: 2px solid #2f76cf; outline-offset: 1px; border-color: #2f76cf; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 9px 13px; border-radius: 999px; border: 1px solid var(--line2);
  background: var(--panel2); color: var(--ink2); font: inherit; font-size: 13px; cursor: pointer; transition: .15s;
}
.chip.on { background: color-mix(in oklab, var(--acc) 18%, transparent); border-color: var(--acc); color: var(--acc); }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.sw { width: 34px; height: 34px; border-radius: 9px; border: 2px solid transparent; cursor: pointer; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); }
.sw.on { border-color: var(--acc); transform: scale(1.08); }
.form-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); }
.preview { position: sticky; top: 20px; }
.preview canvas { height: 320px; border-radius: 12px; background: linear-gradient(180deg, #12151b, #0e1116); }
.prev-note { margin-top: 12px; }
.prev-note b { font-size: 13.5px; }
.prev-note p { font-size: 12.5px; margin: 4px 0 0; }

/* ---------------- Màn chấm điểm ---------------- */
.inspect {
  display: grid; grid-template-columns: 268px minmax(0, 1fr) 400px;
  gap: 18px; max-width: 1720px; margin: 0 auto; padding: 18px 20px 60px; align-items: start;
}
.gnav { position: sticky; top: 78px; display: flex; flex-direction: column; gap: 5px; }
.gnav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 11px; border-radius: 11px;
  border: 1px solid transparent; transition: .15s;
}
.gnav-item:hover { background: var(--panel); border-color: var(--line); }
.gnav-item.on { background: var(--panel2); border-color: var(--line2); }
.gn-icon { font-size: 17px; width: 22px; text-align: center; }
.gn-body { flex: 1; min-width: 0; }
.gn-body b { display: block; font-size: 13px; font-weight: 600; }
.gn-body small { display: block; color: var(--muted); font-size: 11px; }
.gn-bar { display: block; height: 3px; border-radius: 2px; background: #1e222b; margin-top: 5px; overflow: hidden; }
.gn-bar u { display: block; height: 100%; background: var(--blue); }
.gn-score {
  font-size: 13px; font-weight: 800; color: var(--c); min-width: 30px; text-align: right;
}
.gnav-foot { margin-top: 12px; padding: 12px 11px; border-top: 1px solid var(--line); }
.gnav-foot small { display: block; margin-top: 6px; font-size: 11.5px; }

.crit { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.ghead { background: linear-gradient(160deg, #171b23, #12151b); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; }
.ghead-t { display: flex; align-items: center; gap: 13px; }
.gh-icon { font-size: 26px; }
.ghead h2 { font-size: 20px; margin: 0; }
.ghead-intro { margin: 12px 0 0; color: var(--ink2); font-size: 14px; border-left: 3px solid var(--acc); padding-left: 12px; }

.ccard {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; transition: .18s; outline: none;
}
.ccard.focus { border-color: color-mix(in oklab, var(--acc) 50%, var(--line)); box-shadow: 0 0 0 1px color-mix(in oklab, var(--acc) 22%, transparent); }
.ccard-head { display: flex; align-items: center; gap: 11px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.cnum {
  width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center;
  background: var(--panel2); border: 1px solid var(--line2); color: var(--muted); font-size: 12px; font-weight: 700;
}
.ccard.answered .cnum { background: color-mix(in oklab, var(--good) 22%, transparent); border-color: color-mix(in oklab, var(--good) 45%, transparent); color: #7fe07f; }
.ccard-head h3 { flex: 1; font-size: 15.5px; margin: 0; }
.cscore {
  min-width: 42px; text-align: center; padding: 4px 8px; border-radius: 8px; font-weight: 800; font-size: 14px;
  color: var(--c); background: color-mix(in oklab, var(--c) 13%, transparent);
  border: 1px solid color-mix(in oklab, var(--c) 40%, transparent);
}

.guide { display: grid; grid-template-columns: 1fr 300px; gap: 16px; padding: 16px; background: #101319; border-bottom: 1px solid var(--line); }
.guide.hidden { display: none; }
.guide-txt b { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--acc); margin-bottom: 4px; }
.guide .why p { color: var(--ink2); font-size: 13.5px; margin: 0 0 12px; }
.guide .how ol { margin: 0; padding-left: 20px; color: var(--ink2); font-size: 13.5px; }
.guide .how li { margin-bottom: 6px; }
.guide .tool { margin-top: 12px; font-size: 12.5px; color: var(--muted); }
.guide .tool b { display: inline; text-transform: none; letter-spacing: 0; color: var(--ink2); font-size: 12.5px; }
.guide-anim { margin: 0; }
.guide-anim figcaption { text-align: center; font-size: 11px; color: var(--muted); margin-top: 4px; }
.anim {
  width: 100%; height: auto; border-radius: 10px; background: linear-gradient(180deg, #151920, #0f1217);
  border: 1px solid var(--line); --paint: #5b636f; --glass2: #2b3543;
}

.answer { padding: 16px; }
.answer-lbl { font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.opts { display: flex; flex-direction: column; gap: 7px; }
.opt {
  display: flex; align-items: center; gap: 11px; padding: 11px 13px; border-radius: 11px;
  border: 1px solid var(--line2); background: #0f1218; cursor: pointer; transition: .14s; font-size: 14px;
}
.opt:hover { border-color: #3c4557; background: #12161d; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt-dot, .opt-box { width: 17px; height: 17px; border: 2px solid var(--line2); flex: none; }
.opt-dot { border-radius: 50%; }
.opt-box { border-radius: 5px; }
.opt.on { border-color: var(--blue); background: color-mix(in oklab, var(--blue) 12%, #0f1218); }
.opt.on .opt-dot { border-color: var(--blue); box-shadow: inset 0 0 0 3.5px var(--blue); }
.opt.on.bad { border-color: var(--crit); background: color-mix(in oklab, var(--crit) 12%, #0f1218); }
.opt.on.bad .opt-box { border-color: var(--crit); background: var(--crit); }
.opt.opt-crit .opt-lbl::after { content: ' ⚑'; color: var(--crit); }
.opt-lbl { flex: 1; }
.opt-score {
  font-weight: 800; font-size: 12.5px; color: var(--c); min-width: 34px; text-align: center;
  padding: 3px 7px; border-radius: 7px; background: color-mix(in oklab, var(--c) 14%, transparent);
}
.multi-hint { font-size: 12.5px; color: var(--muted); margin-bottom: 3px; }
.crit-note {
  font-size: 12.5px; color: var(--ink2); line-height: 1.5; margin-bottom: 6px;
  padding: 9px 11px; border-radius: 9px; background: rgba(255, 209, 102, .07);
  border: 1px solid color-mix(in oklab, var(--acc) 26%, transparent);
}

/* tiêu chí ứng dụng tự chấm từ danh mục dòng xe */
.guide.noanim { grid-template-columns: 1fr; }
.autobox {
  display: flex; align-items: center; gap: 16px; padding: 14px 16px; border-radius: 12px;
  background: #0f1218; border: 1px solid var(--line2);
}
.autoscore {
  font-size: 32px; font-weight: 800; color: var(--c); line-height: 1; flex: none;
  min-width: 82px; text-align: center; padding: 10px 6px; border-radius: 11px;
  background: color-mix(in oklab, var(--c) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--c) 38%, transparent);
}
.autoscore small { font-size: 13px; font-weight: 600; opacity: .7; }
.autotxt b { display: block; font-size: 13.5px; margin-bottom: 3px; }
.autotxt p { margin: 0; font-size: 13px; color: var(--ink2); }

/* thẻ tóm tắt dòng xe trong form tạo xe */
.modelcard {
  margin: 16px 0 4px; padding: 14px 16px; border-radius: 12px;
  background: #0f1218; border: 1px solid var(--line2);
}
.modelcard > b { display: block; font-size: 13.5px; margin-bottom: 10px; }
.modelcard.warn { border-color: color-mix(in oklab, var(--warn) 40%, transparent); background: color-mix(in oklab, var(--warn) 7%, #0f1218); }
.modelcard.warn p { margin: 0; font-size: 13px; color: var(--ink2); }
.modelcard .tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.modelcard .tiers div { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px; }
.modelcard .tiers small { display: block; color: var(--muted); font-size: 11.5px; }
.modelcard .tiers b { display: block; font-size: 19px; line-height: 1.2; }
.modelcard .tiers i { font-style: normal; font-size: 11.5px; color: var(--ink2); }
.modelcard .watch { margin: 11px 0 0; font-size: 12.5px; color: var(--acc); }

.numwrap { display: flex; align-items: center; gap: 10px; max-width: 320px; }
.numwrap .numin {
  flex: 1; padding: 12px 14px; font-size: 19px; font-weight: 700; border-radius: 11px;
  border: 1px solid var(--line2); background: #0f1218; color: var(--ink); font-family: inherit;
}
.numwrap .numin:focus { outline: 2px solid #2f76cf; border-color: #2f76cf; }
.unit { color: var(--muted); font-size: 14px; }
.numfb { margin-top: 9px; font-size: 13.5px; font-weight: 600; color: var(--ink2); min-height: 20px; }
.bands { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.band {
  font-size: 11px; padding: 4px 9px; border-radius: 999px; color: var(--c);
  background: color-mix(in oklab, var(--c) 11%, transparent); border: 1px solid color-mix(in oklab, var(--c) 32%, transparent);
}
.band b { margin-right: 6px; font-weight: 700; }

.critwarn {
  margin-top: 12px; padding: 11px 13px; border-radius: 10px; font-size: 13px;
  background: color-mix(in oklab, var(--crit) 14%, transparent);
  border: 1px solid color-mix(in oklab, var(--crit) 45%, transparent); color: #ffc9c9;
}
.note { margin-top: 12px; font-size: 13px; }
.nav-btns { display: flex; justify-content: space-between; gap: 12px; margin-top: 6px; }

/* ---------------- Khung 3D ---------------- */
.viewer { position: sticky; top: 78px; }
.viewer-box {
  position: relative; height: 430px; border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line); background: linear-gradient(180deg, #12161c, #0d1015);
}
.viewer-box canvas { cursor: grab; touch-action: none; }
.viewer-tag {
  position: absolute; top: 12px; left: 12px; padding: 6px 11px; border-radius: 999px;
  background: rgba(10, 12, 16, .78); border: 1px solid color-mix(in oklab, var(--acc) 40%, transparent);
  color: var(--acc); font-size: 12px; font-weight: 700; backdrop-filter: blur(6px);
}
.viewer-tools { position: absolute; top: 12px; right: 12px; display: flex; gap: 6px; }
.viewer-legend { margin-top: 8px; font-size: 12.5px; color: var(--ink2); min-height: 20px; text-align: center; }

/* ---------------- Báo cáo ---------------- */
.report { max-width: 1240px; margin: 20px auto; padding: 0 20px 60px; display: flex; flex-direction: column; gap: 16px; }
.rep-hero { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: center; border-color: color-mix(in oklab, var(--c) 40%, var(--line)); }
.rep-gauge { height: 190px; }
.rep-grade { font-size: 17px; margin-bottom: 6px; }
.rep-grade b { font-size: 21px; }
.rep-verdict p { color: var(--ink2); max-width: 70ch; }
.rep-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.rep-kpis div { background: var(--panel2); border: 1px solid var(--line); border-radius: 11px; padding: 11px 13px; }
.rep-kpis small { display: block; color: var(--muted); font-size: 11.5px; }
.rep-kpis b { display: block; font-size: 21px; margin: 2px 0; }
.rep-kpis i { font-style: normal; font-size: 11.5px; color: var(--muted); }
.warnbar { margin-top: 14px; padding: 10px 13px; border-radius: 10px; font-size: 13px; background: color-mix(in oklab, var(--warn) 13%, transparent); border: 1px solid color-mix(in oklab, var(--warn) 40%, transparent); color: #ffe2a8; }
.rep-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.card-panel.danger { border-color: color-mix(in oklab, var(--crit) 50%, var(--line)); background: color-mix(in oklab, var(--crit) 7%, var(--panel)); }
.flags { list-style: none; margin: 10px 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.flags li { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 11px 13px; border-radius: 10px; background: rgba(0, 0, 0, .28); border: 1px solid color-mix(in oklab, var(--crit) 30%, transparent); }
.flags b { font-size: 14px; }
.flags span { grid-column: 1; color: #ffc9c9; font-size: 13px; }
.flags em { grid-row: 1 / span 2; align-self: center; font-style: normal; font-size: 11.5px; color: var(--muted); }
.radar { height: 320px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th, .tbl td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl thead th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.tbl tfoot th { border-bottom: none; padding-top: 12px; font-size: 14px; }
.tbl td:nth-child(2), .tbl th:nth-child(2) { font-variant-numeric: tabular-nums; color: var(--ink2); width: 70px; }
.tbl .ic { margin-right: 4px; }
.miss { font-style: normal; color: var(--warn); font-size: 11.5px; }
.pill { display: inline-block; min-width: 38px; text-align: center; padding: 3px 8px; border-radius: 7px; font-weight: 800; color: var(--c); background: color-mix(in oklab, var(--c) 13%, transparent); }
.bar { height: 7px; border-radius: 4px; background: #1c2029; overflow: hidden; min-width: 90px; }
.bar i { display: block; height: 100%; border-radius: 4px; }
.pricebox { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.pricebox > div { background: var(--panel2); border: 1px solid var(--line); border-radius: 11px; padding: 11px 14px; flex: 1; min-width: 120px; }
.pricebox small { display: block; color: var(--muted); font-size: 11.5px; }
.pricebox b { font-size: 19px; }
.pricebox .arrow { flex: none; background: none; border: none; color: var(--muted); font-size: 19px; padding: 0; min-width: 0; }
.pricebox .offer { border-color: color-mix(in oklab, var(--good) 45%, transparent); background: color-mix(in oklab, var(--good) 10%, var(--panel2)); }
.pricebox .offer b { color: #7fe07f; }
.weak, .next { padding-left: 20px; margin: 8px 0; font-size: 13.5px; color: var(--ink2); }
.weak li, .next li { margin-bottom: 8px; }
.weak b { color: var(--ink); }
.misslist { list-style: none; padding: 0; margin: 8px 0; max-height: 260px; overflow: auto; }
.misslist a { display: flex; justify-content: space-between; gap: 10px; padding: 8px 10px; border-radius: 9px; font-size: 13px; border: 1px solid transparent; }
.misslist a:hover { background: var(--panel2); border-color: var(--line); }
.misslist small { color: var(--muted); font-size: 11.5px; }
.ok-note { color: #7fe07f; }
.notes { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.notes li { padding: 10px 12px; border-radius: 10px; background: var(--panel2); border: 1px solid var(--line); font-size: 13.5px; }
.notes b { display: block; font-size: 12.5px; color: var(--acc); margin-bottom: 2px; }
.disclaimer { color: var(--muted); font-size: 12px; text-align: center; max-width: 78ch; margin: 8px auto 0; }
h4 { margin-top: 18px; font-size: 13.5px; color: var(--ink2); }

/* =========================================================
   HÌNH MINH HỌA ĐỘNG
   ========================================================= */
.a-lbl { fill: #c8cfda; font: 600 12px system-ui, sans-serif; }
.a-mini { fill: #8b93a1; font: 500 10.5px system-ui, sans-serif; }
.a-mini-c { fill: #14161b; font: 700 8px system-ui, sans-serif; text-anchor: middle; }
.a-ok { fill: #6fdc6f; }
.a-bad { fill: #ff8a8a; }
.a-num { fill: #ffd166; font: 700 15px system-ui, sans-serif; text-anchor: middle; }
.a-vin { fill: #cfd6e2; font: 700 21px ui-monospace, monospace; letter-spacing: 2px; }
.a-vin-bad { fill: #e0a0a0; letter-spacing: 3px; }
.a-code { fill: #6fdc6f; font: 600 13px ui-monospace, monospace; }
.a-code-dim { fill: #4d8f5f; font-size: 10px; }
.a-code-warn { fill: #fab219; font-size: 11px; }
.a-odo { fill: #6fdc6f; font: 700 17px ui-monospace, monospace; text-anchor: middle; }
.a-gear { fill: #8b93a1; font: 700 14px system-ui, sans-serif; text-anchor: middle; }
.a-mark { fill: #aab4c2; font: 600 11px ui-monospace, monospace; }

.anim g, .anim circle, .anim rect, .anim path, .anim line, .anim ellipse { transform-box: view-box; }
.a-loupe { animation: loupe 5s ease-in-out infinite; }
@keyframes loupe { 0%, 100% { transform: translate(74px, 60px); } 50% { transform: translate(120px, 96px); } }
.a-loupe2 { animation: loupe2 4s ease-in-out infinite; }
@keyframes loupe2 { 0%, 100% { transform: translate(150px, 70px); } 50% { transform: translate(76px, 96px); } }
.a-loupe3 { animation: loupe3 4s ease-in-out infinite; }
@keyframes loupe3 { 0%, 100% { transform: translate(64px, 84px); } 50% { transform: translate(140px, 84px); } }
.a-flash { animation: blink 1.6s ease-in-out infinite; }
.a-blink { animation: blink 1.2s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .18; } }
.a-scan-x { animation: scanx 3.4s linear infinite; }
@keyframes scanx { 0% { transform: translateX(18px); } 100% { transform: translateX(300px); } }
.a-eye { animation: eyewalk 6s ease-in-out infinite; }
@keyframes eyewalk { 0%, 100% { transform: translate(40px, 128px); } 50% { transform: translate(250px, 128px); } }
.a-gauge { animation: gauge 5s ease-in-out infinite; }
@keyframes gauge {
  0%, 12% { transform: translate(70px, 96px); } 25%, 33% { transform: translate(116px, 88px); }
  46%, 54% { transform: translate(160px, 82px); } 67%, 75% { transform: translate(204px, 98px); }
  88%, 100% { transform: translate(246px, 102px); }
}
.a-ticks { animation: blink 2.6s ease-in-out infinite; }
.a-finger { animation: finger 4s ease-in-out infinite; }
@keyframes finger { 0%, 100% { transform: translate(141px, 56px); } 50% { transform: translate(141px, 114px); } }
.a-spin { animation: spin 6s linear infinite; transform-box: fill-box; transform-origin: center; }
.a-spin-s { animation: spin 3s linear infinite; transform-box: fill-box; transform-origin: center; stroke-dasharray: 12 8; }
@keyframes spin { to { transform: rotate(360deg); } }
.a-rust { animation: rust 3s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes rust { 0%, 100% { transform: scale(.5); opacity: .35; } 50% { transform: scale(1.25); opacity: .85; } }
.a-beam { animation: blink 2.2s ease-in-out infinite; }
.a-dash { stroke-dasharray: 6 8; animation: dash 1.4s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -28; } }
.a-torch { animation: torch 5s ease-in-out infinite; }
@keyframes torch { 0%, 100% { transform: translate(30px, 112px); } 50% { transform: translate(262px, 112px); } }
.a-needle { animation: needle 3.4s ease-in-out infinite; transform-origin: 0 0; }
@keyframes needle {
  0%, 10% { transform: translate(86px, 86px) rotate(-42deg); }
  22% { transform: translate(86px, 86px) rotate(78deg); }
  40%, 100% { transform: translate(86px, 86px) rotate(6deg); }
}
.a-wave { animation: wave 2.2s ease-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes wave { 0% { transform: scale(.3); opacity: .85; } 100% { transform: scale(1.15); opacity: 0; } }
.a-puff { animation: puff 2.4s ease-out infinite; }
@keyframes puff { 0% { transform: translate(0, 0) scale(.4); opacity: .9; } 100% { transform: translate(26px, -34px) scale(1.5); opacity: 0; } }
.a-stick { animation: stick 4s ease-in-out infinite; }
@keyframes stick { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-26px); } }
.a-fill { animation: fillup 4s ease-in-out infinite; transform-box: fill-box; transform-origin: bottom; }
@keyframes fillup { 0%, 100% { transform: scaleY(.72); } 50% { transform: scaleY(.95); } }
.a-slick { animation: blink 2.4s ease-in-out infinite; }
.a-drop { animation: drop 2.6s ease-in infinite; }
@keyframes drop { 0% { transform: translateY(96px); opacity: 0; } 20% { opacity: 1; } 100% { transform: translateY(148px); opacity: 0; } }
.a-cable { stroke-dasharray: 5 5; animation: dash 1s linear infinite; }
.a-lever { animation: lever 4.6s ease-in-out infinite; }
@keyframes lever {
  0%, 14% { transform: translateY(52px); } 28%, 38% { transform: translateY(82px); }
  52%, 62% { transform: translateY(112px); } 76%, 100% { transform: translateY(142px); }
}
.a-bounce { animation: bounceit 2.6s cubic-bezier(.3, 1.4, .5, 1) infinite; }
@keyframes bounceit { 0%, 55%, 100% { transform: translateY(0); } 20% { transform: translateY(13px); } 38% { transform: translateY(-4px); } }
.a-tilt { animation: tilt 4s ease-in-out infinite; }
@keyframes tilt {
  0%, 40% { transform: translate(76px, 88px) rotate(0deg); }
  60%, 100% { transform: translate(76px, 88px) rotate(-13deg); }
}
.a-drift { animation: drift 5s ease-in-out infinite; }
@keyframes drift { 0% { transform: translate(225px, 56px); } 100% { transform: translate(186px, 112px); } }
.a-brake { animation: braking 3.6s cubic-bezier(.1, .8, .3, 1) infinite; }
@keyframes braking { 0% { transform: translateX(-70px); } 60%, 100% { transform: translateX(120px); } }
.a-road { animation: road 1.1s linear infinite; }
@keyframes road { to { transform: translateX(-60px); } }
.a-run { animation: run 4s linear infinite; }
@keyframes run { 0% { transform: translateX(-90px); } 100% { transform: translateX(330px); } }
.a-water { animation: water 5s ease-in-out infinite; transform-box: fill-box; transform-origin: bottom; }
@keyframes water { 0%, 100% { transform: scaleY(.12); } 50% { transform: scaleY(.55); } }
.a-selftest { animation: selftest 3.4s ease-in-out infinite; }
@keyframes selftest { 0%, 45% { opacity: 1; } 60%, 100% { opacity: .12; } }
.a-dead { opacity: .12; }
.a-wind { animation: wind 1.8s ease-out infinite; }
@keyframes wind { 0% { transform: translateX(0); opacity: 0; } 30% { opacity: .9; } 100% { transform: translateX(26px); opacity: 0; } }
.a-merc { animation: merc 4s ease-in-out infinite; transform-box: fill-box; transform-origin: bottom; }
@keyframes merc { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(.28); } }

@media (prefers-reduced-motion: reduce) {
  .anim * { animation: none !important; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1400px) {
  .inspect { grid-template-columns: 240px minmax(0, 1fr) 340px; }
  .viewer-box { height: 380px; }
}
@media (max-width: 1150px) {
  .hero { grid-template-columns: 1fr; }
  .newwrap { grid-template-columns: 1fr; }
  .preview { position: static; }
  .rep-grid { grid-template-columns: 1fr; }
  .inspect { grid-template-columns: 1fr; }
  .gnav { position: static; flex-direction: row; overflow-x: auto; padding-bottom: 6px; }
  .gnav-item { flex: none; width: 210px; background: var(--panel); border-color: var(--line); }
  .gnav-foot { display: none; }
  .viewer { position: sticky; top: 70px; z-index: 20; order: -1; background: var(--bg); padding-bottom: 6px; }
  .viewer-box { height: 260px; }
  .guide { grid-template-columns: 1fr; }
  .guide-anim { max-width: 420px; margin: 0 auto; }
}
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; padding: 10px 14px; gap: 8px; }
  .topbar .steps { display: none; }
  .hero { padding: 24px 16px; }
  .hero-3d { height: 260px; }
  .section, .report { padding-left: 14px; padding-right: 14px; }
  .form .row { grid-template-columns: 1fr; }
  .rep-hero { grid-template-columns: 1fr; }
  .rep-kpis { grid-template-columns: 1fr; }
  .inspect { padding: 12px 14px 50px; }
  .pricebox { flex-direction: column; align-items: stretch; }
}

/* ---------------- In ấn ---------------- */
@media print {
  body { background: #fff; color: #111; }
  .topbar, .viewer, .gnav, .btn, .mini { display: none !important; }
  .report { padding: 0; max-width: none; }
  .card-panel, .rep-hero { break-inside: avoid; border-color: #ccc; background: #fff; color: #111; }
  .card-panel h3, .rep-verdict, .tbl, .muted, .weak, .next { color: #111 !important; }
  .rep-kpis div, .pricebox > div, .notes li { background: #f5f5f3; border-color: #ddd; }
  .disclaimer { color: #555; }
}

/* ---------- chuyển đổi nhìn ngoài / vào trong khoang lái ---------- */
.viewer-tools { align-items: center; }
.modesw { display: flex; background: rgba(10, 12, 16, .8); border: 1px solid var(--line2); border-radius: 9px; overflow: hidden; backdrop-filter: blur(6px); }
.modesw button {
  padding: 6px 11px; border: 0; background: transparent; color: var(--ink2);
  font: inherit; font-size: 11.5px; font-weight: 600; cursor: pointer;
}
.modesw button.on { background: color-mix(in oklab, var(--acc) 22%, transparent); color: var(--acc); }
.realtag { color: var(--acc); font-size: 12px; }
.prev-note b.realnote { color: var(--acc); }

/* ---------- chú giải màu các tấm vỏ ---------- */
.panelkey { display: flex; flex-wrap: wrap; gap: 5px 12px; margin-top: 10px; }
.panelkey span { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--ink2); }
.panelkey i { width: 11px; height: 11px; border-radius: 3px; border: 1px solid rgba(255, 255, 255, .18); flex: none; }

/* ---------- bảng định giá trong báo cáo ---------- */
.valbox { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 12px 0; }
.valrow { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 13px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.valrow:last-child { border-bottom: 0; }
.valrow span { color: var(--ink2); }
.valrow em { display: block; font-style: normal; font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.valrow b { font-variant-numeric: tabular-nums; white-space: nowrap; }
.valrow.total { background: var(--panel2); }
.valrow.total b { font-size: 16px; }
.valrow.minus b { color: var(--serious); }
.valrow.fair { background: color-mix(in oklab, var(--good) 12%, var(--panel2)); }
.valrow.fair b { font-size: 20px; color: #7fe07f; }
.verdict { margin: 12px 0; padding: 11px 14px; border-radius: 11px; border: 1px solid color-mix(in oklab, var(--c) 45%, transparent); background: color-mix(in oklab, var(--c) 10%, transparent); }
.verdict b { display: block; color: var(--c); font-size: 14.5px; }
.verdict span { font-size: 12.5px; color: var(--ink2); }

/* ---------- nhãn điều kiện thực hiện ---------- */
.ccard-head h3 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.acc {
  font-style: normal; font-size: 10.5px; font-weight: 600; letter-spacing: .02em;
  padding: 2px 7px; border-radius: 999px; white-space: nowrap;
  color: var(--c); background: color-mix(in oklab, var(--c) 14%, transparent);
  border: 1px solid color-mix(in oklab, var(--c) 40%, transparent);
}
.accsum { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-top: 12px; font-size: 12px; color: var(--ink2); }
.accsum b { font-size: 12px; color: var(--muted); font-weight: 600; margin-right: 2px; }
.accsum span { display: inline-flex; align-items: center; gap: 5px; }
.accsum i { width: 9px; height: 9px; border-radius: 3px; background: var(--c); flex: none; }

/* ---------- sơ đồ khoang máy có ghi chú ---------- */
.bayref { margin: 14px 0 0; }
.bayref img {
  width: 100%; border-radius: 11px; border: 1px solid var(--line2);
  display: block; cursor: zoom-in;
}
.bayref img:hover { border-color: color-mix(in oklab, var(--acc) 45%, transparent); }
.bayref figcaption { margin-top: 7px; font-size: 12px; color: var(--muted); line-height: 1.5; }

/* ---------- ảnh chỉ dẫn khoang máy, đặt dưới mô hình 3D ---------- */
.bayshot { margin: 12px 0 0; }
.bayshot img {
  width: 100%; display: block; border-radius: 11px;
  border: 1px solid color-mix(in oklab, var(--acc) 32%, var(--line2)); cursor: zoom-in;
}
.bayshot img:hover { border-color: var(--acc); }
.bayshot figcaption { margin-top: 6px; font-size: 11.5px; color: var(--muted); line-height: 1.5; }

/* =========================================================
   GIAO DIỆN ĐIỆN THOẠI
   Trên màn hình hẹp, cột 3D cố định chiếm gần nửa chiều cao mà lại ít dùng
   liên tục — chuyển thành nút mở lớp phủ toàn màn hình. Danh sách 10 nhóm
   cũng thu về một thanh bấm để mở ra.
   ========================================================= */
.gnav-back, .gnav-head { display: none; }
.fabs { display: none; }
.ovl { display: none; }
body.noscroll { overflow: hidden; }
@keyframes sheet-up { from { transform: translateY(22px); opacity: .3; } to { transform: none; opacity: 1; } }

@media (max-width: 860px) {
  .inspect { grid-template-columns: 1fr; padding: 10px 12px 92px; gap: 12px; }

  /* --- mục lục nhóm: bảng trượt lên từ đáy, mở bằng nút tròn ☰ ---
     Đặt dưới .fabs (z 60) để nút ☰ vẫn bấm được khi bảng đang mở, và dưới
     .ovl (z 100) để lớp phủ 3D luôn che được mọi thứ. */
  .gnav-back {
    display: block; position: fixed; inset: 0; z-index: 50;
    background: rgba(6, 8, 11, .74);
  }
  .gnav-back[hidden] { display: none; }
  .gnav {
    display: none; position: fixed; left: 0; right: 0; bottom: 0; top: auto; z-index: 55;
    flex-direction: column; gap: 5px;
    max-height: 78vh; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain;
    background: var(--panel); border: 1px solid var(--line2); border-bottom: none;
    border-radius: 16px 16px 0 0;
    /* chừa chỗ dưới cho nút ☰ nổi đè lên, cộng vùng an toàn của máy tai thỏ */
    padding: 0 10px calc(80px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -14px 42px rgba(0, 0, 0, .62);
  }
  .gnav.open { display: flex; animation: sheet-up .2s ease-out; }
  .gnav-head {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    position: sticky; top: 0; z-index: 2; margin-bottom: 4px;
    padding: 13px 2px 10px; background: var(--panel); border-bottom: 1px solid var(--line);
  }
  .gnav-head b { font-size: 14.5px; }
  .gnav-x {
    width: 34px; height: 34px; flex: none; border-radius: 50%;
    background: var(--panel2); border: 1px solid var(--line2);
    color: var(--ink); font-size: 15px; cursor: pointer;
  }
  .gnav-item { width: auto; flex: none; border-color: transparent; }
  .gnav-foot { display: block; margin-top: 8px; }

  /* --- cột 3D ẩn đi, chỉ hiện khi mở lớp phủ --- */
  .viewer { display: none; }
  .panelkey, .viewer-hint { display: none; }

  /* --- hai nút nổi ở góc dưới --- */
  .fabs {
    display: flex; flex-direction: column; gap: 10px;
    position: fixed; right: 14px; bottom: 18px; z-index: 60;
  }
  .fab {
    width: 56px; height: 56px; border-radius: 50%; border: none;
    background: linear-gradient(180deg, #4a94ee, #2f76cf); color: #fff;
    font: 700 15px/1 system-ui, sans-serif; cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, .55);
    display: grid; place-items: center;
  }
  .fab-img { background: linear-gradient(180deg, #ffd166, #e0a833); color: #14161b; font-size: 22px; }

  /* nút bật/tắt chế độ gọn — "Gọn" = đang hiện hướng dẫn, "Đủ" = đang gọn */
  .fab-compact {
    background: linear-gradient(180deg, #46b18f, #2b806a);
    color: #04120e; font: 800 14px/1 system-ui, sans-serif;
  }
  .fab-compact.on { box-shadow: 0 6px 20px rgba(0, 0, 0, .55), inset 0 0 0 2.5px #d5f0e5; }

  /* nút mục lục — ba gạch, biến thành dấu ✕ khi bảng đang mở */
  .fab-nav { background: linear-gradient(180deg, #3d434f, #262b34); border: 1px solid var(--line2); }
  .fab-nav.on { background: linear-gradient(180deg, #4a94ee, #2f76cf); border-color: transparent; }
  .burger { display: block; position: relative; width: 22px; height: 16px; }
  .burger i {
    position: absolute; left: 0; right: 0; height: 2.5px; border-radius: 2px; background: #fff;
    transition: transform .22s ease, opacity .15s ease;
  }
  .burger i:nth-child(1) { top: 0; }
  .burger i:nth-child(2) { top: 6.7px; }
  .burger i:nth-child(3) { top: 13.4px; }
  .fab-nav.on .burger i:nth-child(1) { transform: translateY(6.7px) rotate(45deg); }
  .fab-nav.on .burger i:nth-child(2) { opacity: 0; }
  .fab-nav.on .burger i:nth-child(3) { transform: translateY(-6.7px) rotate(-45deg); }
  /* mở mục lục thì giấu hai nút kia đi để không che danh sách */
  body.navopen #fab3d, body.navopen #fabImg, body.navopen #fabCompact { display: none; }

  /* --- lớp phủ toàn màn hình --- */
  .ovl {
    display: block; position: fixed; inset: 0; z-index: 100;
    background: rgba(6, 8, 11, .97); backdrop-filter: blur(3px);
  }
  .ovl[hidden] { display: none; }
  .ovl-x {
    position: absolute; top: 12px; right: 12px; z-index: 3;
    width: 46px; height: 46px; border-radius: 50%;
    background: rgba(26, 30, 38, .95); border: 1px solid var(--line2);
    color: var(--ink); font-size: 20px; cursor: pointer;
  }
  .ovl-body { position: absolute; inset: 58px 10px 14px; }
  .ovl-body .viewer-box { height: 100%; border-radius: 14px; }
  .ovl-img {
    position: absolute; inset: 58px 8px 14px; width: calc(100% - 16px); height: auto;
    max-height: calc(100% - 72px); margin: auto; object-fit: contain; border-radius: 10px;
  }

  /* --- thu gọn phần còn lại cho vừa màn hình hẹp --- */
  /* --- thanh điều hướng cố định của màn chấm điểm ---
     Trước đây dùng position:sticky, nhưng html/body có overflow-x:hidden (chặn
     tràn ngang ở dưới) nên body thành vùng cuộn riêng và sticky mất tác dụng —
     thanh trôi mất khi cuộn xuống. Dùng position:fixed thì không dính lỗi đó.
     z-index 45: trên nội dung, dưới nền mờ mục lục (50) để bảng chọn che được. */
  .topbar.nav-fixed {
    position: fixed; top: 0; left: 0; right: 0; z-index: 45;
    height: 54px; flex-wrap: nowrap; padding: 0 10px; gap: 7px;
    background: rgba(12, 14, 18, .94);
  }
  .topbar.nav-fixed .carid { flex: 1 1 auto; order: 0; min-width: 0; margin-right: 0; }
  .topbar.nav-fixed .carid b {
    font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .topbar.nav-fixed .carid small { display: none; }
  .topbar.nav-fixed .topscore { flex: none; padding-right: 0; gap: 0; }
  .topbar.nav-fixed .ts-txt { display: none; }
  .topbar.nav-fixed .ts-num { width: 36px; height: 36px; font-size: 16px; border-radius: 10px; }
  .topbar.nav-fixed .btn { flex: none; padding: 8px 10px; font-size: 12.5px; white-space: nowrap; }
  .topbar.nav-fixed .b-ic { display: none; }
  .hide-sm { display: none !important; }          /* "Chế độ gọn" đã thành nút tròn */
  .inspect { padding-top: 64px; }                 /* chừa chỗ cho thanh cố định */
  .ccard, .ghead { scroll-margin-top: 64px; }     /* cuộn tới hạng mục không bị thanh che */

  .topbar { padding: 8px 12px; gap: 8px; }
  .topbar .btn { padding: 7px 11px; font-size: 13px; }
  .carid b { font-size: 13.5px; }
  .ghead { padding: 14px; }
  .ghead h2 { font-size: 17px; }
  .ccard-head { padding: 12px 13px; }
  .ccard-head h3 { font-size: 14.5px; }
  .guide, .answer { padding: 13px; }
  .guide .how ol { padding-left: 17px; }
  .opt { padding: 12px 12px; font-size: 14px; }   /* vùng chạm đủ lớn */
  .numwrap { max-width: 100%; }
  .bayshot { display: none; }                     /* xem qua nút, không chèn vào luồng */
  .accsum { font-size: 11.5px; }
}

/* Máy rất hẹp: hai nút phụ rút về biểu tượng, dành chỗ cho tên xe và
   nút "Xem báo cáo" — nút quan trọng nhất nên luôn giữ nguyên chữ. */
@media (max-width: 420px) {
  .topbar.nav-fixed .btn-ghost .b-ic { display: inline; }
  .topbar.nav-fixed .btn-ghost .b-lb { display: none; }
  .topbar.nav-fixed .btn-ghost { padding: 8px 11px; font-size: 15px; }
}

@media (max-width: 480px) {
  .topbar .steps, .topscore .ts-txt { display: none; }
  .acc { font-size: 10px; padding: 1px 6px; }
  .fab { width: 52px; height: 52px; }
  .fab-compact { font-size: 13px; }
}

/* Chặn tràn ngang trên màn hình hẹp: phần tử con của lưới/flex mặc định không
   co nhỏ hơn nội dung của nó, nên chỉ một khối rộng là đẩy cả trang lệch. */
@media (max-width: 860px) {
  html, body { max-width: 100%; overflow-x: hidden; }
  .inspect > *, .crit > *, .ccard, .ghead { min-width: 0; max-width: 100%; }
  .ccard-head, .ccard-head h3 { min-width: 0; }
  .ccard-head h3 { flex: 1; overflow-wrap: anywhere; }
  .accsum, .accsum span { min-width: 0; flex-wrap: wrap; }
  .opt-lbl { min-width: 0; overflow-wrap: anywhere; }
  .bands { max-width: 100%; }
  .guide-anim, .bayref, .bayref img { max-width: 100%; }
  .topbar { flex-wrap: wrap; }
  .topbar .carid { flex: 1 1 100%; order: -1; }
}

/* =========================================================
   TRẠNG THÁI ĐỒNG BỘ & TOÀN VẸN DỮ LIỆU
   ========================================================= */
.store-alert {
  position: fixed; left: 0; right: 0; top: 0; z-index: 200;
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px; font-size: 13.5px; line-height: 1.45;
  background: #5a1f1f; color: #ffe9e9; border-bottom: 1px solid #8a3535;
  box-shadow: 0 6px 22px rgba(0, 0, 0, .5);
}
.store-alert .sa-txt { flex: 1; min-width: 0; }
.store-alert .sa-x {
  flex: none; width: 26px; height: 26px; border-radius: 6px; cursor: pointer;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25); color: inherit;
}
.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 190;
  max-width: min(92vw, 460px); padding: 11px 16px; border-radius: 10px;
  background: #1d2430; border: 1px solid var(--line2); color: var(--ink);
  font-size: 13.5px; box-shadow: 0 10px 30px rgba(0, 0, 0, .55);
  animation: sheet-up .18s ease-out;
}
/* Viên chỉ báo kết nối — luôn thấy dữ liệu đang nằm ở đâu. */
.conn {
  position: fixed; left: 12px; bottom: 12px; z-index: 90;
  max-width: 60vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: 6px 11px; border-radius: 999px; cursor: pointer;
  font: 500 11.5px/1.4 system-ui, sans-serif;
  background: rgba(18, 22, 28, .92); border: 1px solid var(--line2); color: var(--muted);
}
.conn.ok { color: #7fd39b; border-color: #2d5c3f; }
.conn.wait { color: #ffd166; border-color: #6b5623; }
.conn.off { color: #f0968a; border-color: #6d3232; }
.copytag {
  font-style: normal; font-size: 10.5px; font-weight: 700; vertical-align: middle;
  margin-left: 6px; padding: 1px 6px; border-radius: 5px;
  background: #4a3a12; color: #ffd166; border: 1px solid #6b5623;
}
.viewers {
  margin-bottom: 10px; padding: 7px 11px; border-radius: 8px; font-size: 12.5px;
  background: #16303f; border: 1px solid #24566e; color: #9fd8ef;
}
@media (max-width: 860px) {
  .conn { bottom: 10px; left: 10px; max-width: 52vw; font-size: 11px; }
  .toast { bottom: 84px; }
}
@media print { .store-alert, .toast, .conn { display: none !important; } }

/* Dải nhắc cập nhật — người dùng điện thoại không xóa được cache, nên phải có
   một nút bấm được để nạp lại bản mới. */
.newbuild {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 16px; z-index: 195;
  max-width: min(92vw, 420px); padding: 11px 18px; border-radius: 999px; cursor: pointer;
  font: 600 13.5px/1.3 system-ui, sans-serif;
  background: linear-gradient(180deg, #4a94ee, #2f76cf); color: #fff; border: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .6);
}
@media (max-width: 860px) { .newbuild { bottom: 84px; } }
@media print { .newbuild { display: none !important; } }