/* PartsCode Garage — giao diện theo thiết kế Stitch "PartsCode – Tra mã phụ tùng (Mobile)" */
:root {
  --primary: #1f4fd1; --primary-dark: #183eb0; --on-primary: #faf8ff;
  --primary-soft: rgba(187, 199, 253, .3); --primary-line: rgba(31, 79, 209, .2);
  --navy: #515d8c; --navy-dark: #45517f;
  --bg: #f7f9fd; --surface: #f7f9fd; --lowest: #ffffff; --low: #f0f4f9; --cont: #e9eef4; --high: #e3e9ef;
  --variant: #dce3eb; --fg: #2c3339; --mut: #586067; --outline: #747c82; --outline-v: #abb3ba; --ph: #9aa2a9;
  --orange: #f68f1f; --on-orange: #170800; --orange-soft: rgba(246, 143, 31, .15);
  --ok: #12805c; --ok-bg: #ecfdf5; --ok-line: #a7f3d0;
  --warn: #b7791f; --warn-bg: #fffbeb; --warn-line: #fde68a;
  --err: #a8364b; --err-bg: #fdf0f2; --err-line: #f5c2cc;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06); --shadow-lg: 0 8px 24px rgba(15, 23, 42, .10);
  --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --label: "Public Sans", var(--font);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --r: 12px; --r-lg: 16px; --bar: 56px; --nav: 64px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --primary: #8ea8ff; --primary-dark: #a9bcff; --on-primary: #0b1640;
    --primary-soft: rgba(142, 168, 255, .16); --primary-line: rgba(142, 168, 255, .3);
    --navy: #8f9bd0; --navy-dark: #a3aedd;
    --bg: #0f1216; --surface: #0f1216; --lowest: #171b21; --low: #1c2128; --cont: #222830; --high: #29303a;
    --variant: #2f3640; --fg: #e6e9ee; --mut: #a3abb4; --outline: #8a929a; --outline-v: #5d656e; --ph: #7f8790;
    --orange: #f59b3a; --orange-soft: rgba(245, 155, 58, .16);
    --ok: #5fd3a5; --ok-bg: rgba(18, 128, 92, .16); --ok-line: rgba(95, 211, 165, .3);
    --warn: #f0c060; --warn-bg: rgba(183, 121, 31, .16); --warn-line: rgba(240, 192, 96, .3);
    --err: #ff8fa3; --err-bg: rgba(168, 54, 75, .18); --err-line: rgba(255, 143, 163, .3);
    --shadow: none; --shadow-lg: 0 8px 24px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--fg); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
input, textarea { font: inherit; color: inherit; }
a { color: var(--primary); }
code { font-family: var(--mono); }
[hidden] { display: none !important; }
.ms { font-family: "Material Symbols Outlined"; font-weight: normal; font-style: normal; font-size: 20px; line-height: 1;
  letter-spacing: normal; text-transform: none; display: inline-block; white-space: nowrap; direction: ltr;
  -webkit-font-feature-settings: "liga"; font-feature-settings: "liga"; -webkit-font-smoothing: antialiased;
  font-variation-settings: "FILL" 0, "wght" 400; overflow: hidden; width: 1em; flex-shrink: 0; }
.ms.fill { font-variation-settings: "FILL" 1, "wght" 500; }
.mut { color: var(--mut); }
.cap { font-size: 11px; color: var(--mut); font-family: var(--label); margin: 0; }
.link { color: var(--primary); font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 2px; }
.link:hover { text-decoration: underline; }
.link .ms { font-size: 16px; }

/* ───────── khung ───────── */
.shell { min-height: 100dvh; display: flex; flex-direction: column; }
.views { flex: 1; display: flex; flex-direction: column; }
.view { display: none; flex: 1; }
.shell[data-view="home"] #v-home, .shell[data-view="chat"] #v-chat, .shell[data-view="history"] #v-history,
.shell[data-view="common"] #v-common, .shell[data-view="account"] #v-account, .shell[data-view="vehicle"] #v-vehicle { display: block; }
.shell[data-view="chat"] .appbar, .shell:not([data-view="chat"]) .chatbar, .shell:not([data-view="chat"]) .composer { display: none !important; }

.icon-btn { width: 40px; height: 40px; border-radius: 999px; display: inline-grid; place-items: center; color: var(--mut); transition: transform .15s; }
.icon-btn:hover { background: var(--cont); }
.icon-btn:active, .tool:active, .send-btn:active, .chip-row button:active { transform: scale(.95); }
.icon-btn .ms { font-size: 22px; }

/* appbar */
.appbar { position: sticky; top: 0; z-index: 40; height: var(--bar); padding: 0 12px; display: flex; align-items: center;
  justify-content: space-between; gap: 12px; background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--variant); }
.appbar-l, .appbar-r { display: flex; align-items: center; gap: 6px; }
.brand { display: flex; align-items: center; gap: 6px; text-decoration: none; }
.brand-mark { display: none; width: 34px; height: 34px; border-radius: 10px; background: var(--navy); color: #fff; font-weight: 800;
  place-items: center; font-size: 17px; }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: -.02em; color: var(--primary); }
.brand-tag { font-family: var(--label); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  padding: 2px 6px; border-radius: 4px; background: var(--orange); color: var(--on-orange); box-shadow: var(--shadow); }
.topnav { display: none; }
.avatar-btn { position: relative; width: 36px; height: 36px; border-radius: 999px; background: var(--high); border: 1px solid var(--variant);
  color: var(--primary); font-weight: 700; font-size: 11px; display: grid; place-items: center; box-shadow: var(--shadow); }
.avatar-btn .dot { position: absolute; right: -1px; bottom: -1px; width: 10px; height: 10px; border-radius: 999px; background: #059669;
  border: 2px solid var(--lowest); }

/* bottom nav */
.bottomnav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 45; min-height: var(--nav); padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  display: flex; justify-content: space-around; align-items: center; background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--variant); box-shadow: 0 -4px 16px rgba(15, 23, 42, .05); }
.bottomnav button { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 4px 12px; border-radius: 12px;
  font-family: var(--label); font-size: 12px; color: var(--mut); transition: color .15s, background .15s; }
.bottomnav button .ms { font-size: 22px; }
.bottomnav button.on { color: var(--primary); font-weight: 700; background: var(--primary-soft); }
.bottomnav button.on .ms { font-variation-settings: "FILL" 1, "wght" 500; }
.shell[data-view="chat"] .bottomnav { display: none; }

/* ───────── trang chủ ───────── */
#v-home, .page { padding: 12px 16px calc(var(--nav) + 24px); }
.home-grid { display: flex; flex-direction: column; gap: 20px; }
.home-main { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.home-side { display: none; }
.card { background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r-lg); box-shadow: var(--shadow); }
.hero { position: relative; overflow: hidden; padding: 16px; }
.hero-glow { position: absolute; right: -40px; top: -40px; width: 144px; height: 144px; border-radius: 999px; background: var(--primary-soft);
  filter: blur(28px); pointer-events: none; }
.hero-head { position: relative; display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.hero-head h2 { margin: 0; font-size: 18px; font-weight: 800; display: flex; align-items: center; gap: 6px; }
.hero-head h2 .ms { color: var(--primary); font-size: 20px; }
.hero-head p { margin: 2px 0 0; font-size: 12px; color: var(--mut); }
.ai-pill { flex-shrink: 0; display: inline-flex; align-items: center; gap: 4px; font-family: var(--label); font-size: 10px; font-weight: 700;
  letter-spacing: .06em; color: var(--primary); background: var(--primary-soft); border: 1px solid var(--primary-line); padding: 3px 8px; border-radius: 999px; }
.ai-pill i { width: 6px; height: 6px; border-radius: 999px; background: var(--primary); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.hero-box { position: relative; background: var(--low); border: 1px solid var(--variant); border-radius: var(--r); padding: 12px;
  transition: border-color .15s, box-shadow .15s; }
.hero-box:focus-within, .cbox:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-line); }
.hero-box textarea { width: 100%; border: 0; background: transparent; resize: none; outline: none; font-size: 14px; font-weight: 500; line-height: 1.6; padding: 0; }
textarea::placeholder, input::placeholder { color: var(--ph); }
.hero-tools { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 8px; margin-top: 4px;
  border-top: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); }
.tools { display: flex; align-items: center; gap: 6px; min-width: 0; }
.tool { width: 34px; height: 34px; border-radius: 999px; display: grid; place-items: center; color: var(--primary); background: var(--surface);
  border: 1px solid var(--variant); transition: transform .15s, background .15s; flex-shrink: 0; }
.tool:hover { background: var(--cont); }
.tool .ms { font-size: 18px; }
.tool.mic.rec { background: var(--err); color: #fff; border-color: var(--err); animation: pulse 1s infinite; }
.hero-hint { display: none; font-size: 11px; color: var(--outline); font-family: var(--mono); margin-left: 6px; white-space: nowrap; }
.send-btn { width: 38px; height: 38px; border-radius: 999px; background: var(--primary); color: var(--on-primary); display: grid; place-items: center;
  box-shadow: 0 4px 12px rgba(31, 79, 209, .25); transition: transform .15s, background .15s; flex-shrink: 0; }
.send-btn:hover { background: var(--primary-dark); }
.send-btn:disabled { opacity: .5; cursor: progress; }
.send-btn .ms { font-size: 20px; }
.chip-row { display: flex; gap: 8px; overflow-x: auto; margin: 0 -16px; padding: 0 16px 2px; scrollbar-width: none; }
.chip-row::-webkit-scrollbar, .hscroll::-webkit-scrollbar, .suggest::-webkit-scrollbar, .filters::-webkit-scrollbar { display: none; }
.chip-row button { flex-shrink: 0; display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 6px 12px; border-radius: 999px;
  background: var(--low); border: 1px solid var(--variant); transition: background .15s; white-space: nowrap; }
.chip-row button:hover { background: var(--cont); }
.chip-row .ms { font-size: 15px; color: var(--primary); }
.chip-row .ms.warn { color: var(--orange); }
.trust { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: var(--r); background: var(--ok-bg); border: 1px solid var(--ok-line); color: var(--ok); }
.trust p { margin: 0; font-size: 11px; font-weight: 500; }
.trust .ms { font-size: 18px; }

.sec { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.sec-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.sec-head h3 { margin: 0; font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 6px; letter-spacing: -.01em; }
.sec-head h3 .ms { font-size: 18px; color: var(--mut); }
.count-pill { font-family: var(--label); font-size: 11px; font-weight: 600; color: var(--mut); background: var(--cont); padding: 2px 8px; border-radius: 6px; }
.count-pill:empty { display: none; }

.hscroll { display: flex; gap: 12px; overflow-x: auto; margin: 0 -16px; padding: 0 16px 4px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.vcard { scroll-snap-align: start; flex-shrink: 0; width: 256px; background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r);
  padding: 12px; display: flex; flex-direction: column; gap: 8px; cursor: pointer; text-align: left; transition: border-color .15s, transform .1s; }
.vcard:hover { border-color: var(--primary-line); }
.vcard:active { transform: scale(.98); }
.vcard-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; }
.vcard-top b { font-size: 13px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mk { flex-shrink: 0; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 4px; background: var(--cont); color: var(--mut); text-transform: uppercase; }
.mk.kia { background: #fee2e2; color: #b91c1c; } .mk.hyundai { background: #dbeafe; color: #1d4ed8; }
.mk.toyota, .mk.lexus { background: #e2e8f0; color: #1e293b; } .mk.mazda { background: #ede9fe; color: #6d28d9; }
.mk.honda { background: #fce7f3; color: #be185d; } .mk.ford { background: #e0f2fe; color: #0369a1; }
.mk.mitsubishi { background: #ffe4e6; color: #be123c; } .mk.vinfast { background: #dcfce7; color: #15803d; }
.vin-row { display: flex; align-items: center; justify-content: space-between; gap: 6px; font-size: 11px; background: var(--low);
  border: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); padding: 6px 8px; border-radius: 8px; }
.vin-row .k { font-size: 10px; color: var(--outline); }
.vin-row code { font-weight: 500; letter-spacing: .02em; user-select: all; overflow: hidden; text-overflow: ellipsis; }
.vin-row .copy-ic { color: var(--mut); display: grid; }
.vin-row .copy-ic .ms { font-size: 14px; }
.vin-row.none code { color: var(--outline); font-family: var(--font); }
.vcard-foot { display: flex; align-items: center; justify-content: space-between; gap: 6px; padding-top: 6px;
  border-top: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); font-size: 10px; color: var(--outline); }
.vcard-foot > span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vcard-foot .go { flex-shrink: 0; white-space: nowrap;  display: inline-flex; align-items: center; gap: 3px; color: var(--primary); font-weight: 600; font-size: 11px; }
.vcard-foot .go .ms { font-size: 14px; }

.part-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.pg { background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r); padding: 10px 4px; min-height: 76px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; text-align: center; transition: background .15s, transform .1s; }
.pg:hover { background: var(--cont); }
.pg:active { transform: scale(.95); }
.pg .ic { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: var(--cont); color: var(--mut); }
.pg .ic.blue { background: var(--primary-soft); color: var(--primary); }
.pg .ic.orange { background: var(--orange-soft); color: var(--orange); }
.pg .ic .ms { font-size: 20px; }
.pg span:last-child { font-size: 11px; font-weight: 500; line-height: 1.25; }
.pg small { display: none; }

.lookup-list { display: flex; flex-direction: column; gap: 8px; }
.lk { background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r); padding: 12px; display: flex; align-items: center;
  justify-content: space-between; gap: 8px; cursor: pointer; text-align: left; width: 100%; transition: border-color .15s; }
.lk:hover { border-color: var(--primary-line); }
.lk-main { flex: 1; min-width: 0; }
.lk-top { display: flex; align-items: center; gap: 8px; margin-bottom: 2px; min-width: 0; }
.lk-top b { font-size: 12px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lk-veh { font-size: 11px; color: var(--mut); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin: 0; }
.lk-code { display: flex; align-items: center; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.code-tag { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--primary); background: var(--primary-soft); padding: 2px 6px;
  border-radius: 4px; letter-spacing: .02em; }
.code-tag.old { color: var(--outline); background: transparent; text-decoration: line-through; font-weight: 500; padding: 0; }
.lk-time { font-size: 10px; color: var(--outline); }
.lk-r { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.lk-r .price { font-family: var(--mono); font-size: 12px; font-weight: 600; }
.lk-r .ms { color: var(--outline-v); font-size: 18px; }
.empty { padding: 20px 14px; text-align: center; color: var(--mut); font-size: 12px; border: 1px dashed var(--variant); border-radius: var(--r); background: var(--lowest); }
.empty .ms { display: block; margin: 0 auto 6px; font-size: 26px; color: var(--outline-v); }

/* nhãn mức chắc chắn */
.conf { display: inline-flex; align-items: center; gap: 3px; flex-shrink: 0; font-size: 9px; font-weight: 700; padding: 1px 6px; border-radius: 4px;
  border: 1px solid; white-space: nowrap; font-family: var(--label); }
.conf .ms { font-size: 11px; }
.conf.high, .conf.ok { color: var(--ok); background: var(--ok-bg); border-color: var(--ok-line); }
.conf.medium { color: var(--warn); background: var(--warn-bg); border-color: var(--warn-line); }
.conf.low { color: var(--err); background: var(--err-bg); border-color: var(--err-line); }
.conf.lg { font-size: 12px; padding: 3px 10px; border-radius: 999px; }
.conf.lg .ms { font-size: 15px; }
.conf.store { color: var(--mut); background: var(--cont); border-color: var(--variant); }

/* ───────── cuộc tra ───────── */
.chatbar { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--lowest) 94%, transparent); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--variant); box-shadow: var(--shadow); }
.chatbar-row { display: flex; align-items: center; gap: 6px; padding: 8px 8px 8px 6px; max-width: 900px; margin: 0 auto; }
.chatbar .icon-btn { width: 38px; height: 38px; border-radius: 10px; color: var(--fg); }
.chat-title { flex: 1; min-width: 0; }
.ct-line { display: flex; align-items: center; gap: 6px; min-width: 0; }
.ct-line h1 { margin: 0; font-size: 15px; font-weight: 700; line-height: 1.25; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ct-brand { flex-shrink: 0; font-size: 10px; font-weight: 600; padding: 2px 6px; border-radius: 4px; background: var(--primary-soft); color: var(--primary); }
.ct-vin { display: inline-flex; align-items: center; gap: 3px; margin-top: 2px; font-size: 11px; }
.ct-vin .lbl { color: var(--mut); font-family: var(--label); }
.ct-vin .v { font-family: var(--mono); font-weight: 600; color: var(--primary); letter-spacing: .04em; }
.ct-vin .ms { font-size: 13px; color: var(--primary); }
.ct-sub { font-size: 11px; color: var(--mut); margin-top: 2px; }
.menu-wrap { position: relative; }
.menu { position: absolute; right: 0; top: 44px; min-width: 200px; background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r);
  box-shadow: var(--shadow-lg); padding: 6px; z-index: 60; }
.menu button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px; border-radius: 8px; font-size: 13px; text-align: left; }
.menu button:hover { background: var(--cont); }
.menu button .ms { font-size: 18px; color: var(--mut); }
.menu .danger, .menu .danger .ms { color: var(--err); }

#v-chat { padding-bottom: 150px; }
.thread { max-width: 820px; margin: 0 auto; padding: 14px 12px 8px; display: flex; flex-direction: column; gap: 14px; }
.day { align-self: center; font-size: 11px; color: var(--mut); background: var(--cont); padding: 2px 10px; border-radius: 999px; font-family: var(--label); }
.msg.user { align-self: flex-end; max-width: 86%; display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.msg.user .bubble { background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 20px 20px 6px 20px; font-size: 14px; font-weight: 500;
  white-space: pre-wrap; overflow-wrap: anywhere; box-shadow: var(--shadow); }
.msg.user .imgs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.msg.user .imgs img { width: 96px; height: 96px; object-fit: cover; border-radius: 10px; cursor: zoom-in; }
.msg.user .act { display: inline-flex; align-items: center; gap: 4px; }
.msg.user .time { font-size: 10px; color: var(--outline); }
.msg.assistant { display: flex; gap: 10px; align-items: flex-start; }
.ai-av { flex-shrink: 0; width: 30px; height: 30px; border-radius: 10px; background: var(--navy); color: #fff; display: grid; place-items: center; margin-top: 2px; }
.ai-av .ms { font-size: 18px; font-variation-settings: "FILL" 1; }
.msg .body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 12px; }
.text { font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }
.text .mut { color: var(--mut); }
.text.error { color: var(--err); background: var(--err-bg); border: 1px solid var(--err-line); padding: 10px 12px; border-radius: var(--r); }
.typing { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r);
  color: var(--mut); font-size: 13px; }
.dots { display: inline-flex; gap: 4px; }
.dots span { width: 6px; height: 6px; border-radius: 999px; background: var(--primary); animation: blink 1.2s infinite; }
.dots span:nth-child(2) { animation-delay: .2s; } .dots span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }

/* thẻ xe (đã phân tích) */
.vehicle-card { padding: 12px 14px; }
.vc-head { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.vc-head .ms { color: var(--primary); font-size: 18px; }
.vc-src { margin: 2px 0 0 26px; }
.vc-fields .wide { grid-column: 1 / -1; }
.vc-fields .wide dd { font-family: var(--mono); letter-spacing: .03em; }
.vc-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 14px; margin: 10px 0 0; }
.vc-fields div { min-width: 0; display: flex; gap: 6px; align-items: flex-start; }
.vc-fields .ms { font-size: 15px; color: var(--ok); margin-top: 2px; }
.vc-fields dt { font-size: 11px; color: var(--mut); }
.vc-fields dd { margin: 0; font-size: 13px; font-weight: 500; overflow-wrap: anywhere; }
.unclear { margin-top: 8px; font-size: 12px; color: var(--warn); }

/* thẻ mã phụ tùng */
.part-card { padding: 14px; }
.part-card.flagged { border-color: var(--err-line); }
.pc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.eyebrow { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--primary); text-transform: uppercase; }
.eyebrow .grp { font-family: var(--font); font-weight: 400; color: var(--mut); text-transform: none; letter-spacing: 0; margin-left: 4px; }
.part-card h3 { margin: 4px 0 2px; font-size: 17px; font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
.pc-sub { font-size: 12px; color: var(--mut); }
.pc-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.warns { margin: 10px 0 0; padding: 8px 12px 8px 28px; background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 10px; color: var(--warn); font-size: 12px; }
.items { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.item { display: flex; flex-direction: column; gap: 8px; }
.item + .item { padding-top: 12px; border-top: 1px dashed var(--variant); }
.codebox { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--low); border: 1.5px solid var(--outline-v);
  border-radius: var(--r); padding: 12px 14px; }
.codebox .lbl { font-family: var(--label); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); }
.codebox code { display: block; font-size: 22px; font-weight: 700; letter-spacing: .03em; margin-top: 2px; overflow-wrap: anywhere; }
.codebox.alt { border-width: 1px; border-color: var(--variant); padding: 10px 12px; }
.codebox.alt code { font-size: 17px; }
.copy-btn { flex-shrink: 0; display: inline-flex; align-items: center; gap: 5px; padding: 7px 12px; border-radius: 10px; background: var(--navy); color: #fff;
  font-size: 13px; font-weight: 600; transition: background .15s, transform .1s; }
.copy-btn:hover { background: var(--navy-dark); }
.copy-btn:active { transform: scale(.96); }
.copy-btn .ms { font-size: 16px; }
.copy-btn.done { background: var(--ok); }
.copy-btn.sm { padding: 3px 8px; font-size: 11px; border-radius: 7px; background: var(--cont); color: var(--fg); }
.copy-btn.sm .ms { font-size: 13px; }
.iname { font-size: 13px; color: var(--mut); overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: var(--cont); color: var(--fg); }
.chip.vn { background: var(--ok-bg); color: var(--ok); }
.chip.fit { background: var(--warn-bg); color: var(--warn); }
.chip.visc { font-family: var(--mono); font-weight: 700; background: var(--primary-soft); color: var(--primary); }
.super { border: 1px solid color-mix(in srgb, var(--orange) 45%, transparent); background: color-mix(in srgb, var(--orange) 7%, var(--lowest));
  border-radius: var(--r); padding: 10px 12px; }
.super-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12px; font-weight: 600; }
.super-head span:first-child { display: flex; align-items: center; gap: 5px; }
.super-head .ms { color: var(--orange); font-size: 16px; }
.super-tag { font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 4px; background: var(--orange); color: var(--on-orange); }
.super-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.super-grid > div { background: var(--lowest); border: 1px solid var(--variant); border-radius: 10px; padding: 8px 10px; min-width: 0; }
.super-grid .new-box { border: 1.5px solid var(--orange); }
.super-grid .k { font-size: 10px; font-weight: 600; color: var(--mut); text-transform: uppercase; letter-spacing: .04em; }
.super-grid code { display: block; font-size: 15px; font-weight: 700; margin-top: 2px; overflow-wrap: anywhere; }
.super-grid .old-box code { color: var(--outline); text-decoration: line-through; font-weight: 500; }
.super-grid .new-box .row { display: flex; align-items: center; justify-content: space-between; gap: 4px; }
.stock { background: var(--low); border: 1px solid var(--variant); border-radius: 10px; padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; font-size: 12px; }
.stock-h { font-family: var(--label); font-size: 10px; font-weight: 700; letter-spacing: .06em; color: var(--mut); text-transform: uppercase; }
.stock-row { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.stock-row .price { margin-left: auto; font-family: var(--mono); font-weight: 700; }
.stock-row .in { color: var(--ok); } .stock-row .out { color: var(--err); }
.stock-row .kind { color: var(--warn); flex-basis: 100%; }
.stock-row .wh, .stock-row .lines { flex-basis: 100%; color: var(--mut); font-size: 11px; }
.stock.none { color: var(--mut); flex-direction: row; align-items: center; gap: 6px; }
.stock.none .ms { font-size: 16px; }
.thumb img { display: block; max-width: 100%; max-height: 260px; border-radius: 10px; border: 1px solid var(--variant); background: #fff; cursor: zoom-in; }
.meta { display: flex; justify-content: space-between; gap: 8px; font-size: 11px; color: var(--mut); }
.meta a { white-space: nowrap; font-weight: 600; text-decoration: none; }
.item-ok { align-self: flex-start; }
.source { display: flex; gap: 6px; align-items: flex-start; margin-top: 12px; padding: 8px 10px; border-radius: 10px; background: var(--low);
  font-size: 11px; color: var(--mut); }
.source .ms { font-size: 14px; margin-top: 1px; }
.review { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.review-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rv { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 12px; border-radius: 10px; font-size: 13px; font-weight: 700;
  border: 1px solid; transition: background .15s, transform .1s; }
.rv:active { transform: scale(.97); }
.rv .ms { font-size: 18px; }
.rv.ok { color: var(--ok); background: var(--ok-bg); border-color: var(--ok-line); }
.rv.bad { color: var(--err); background: var(--err-bg); border-color: var(--err-line); }
.rv.sm { padding: 5px 10px; font-size: 12px; }
.rv.done { background: var(--ok); color: #fff; border-color: var(--ok); }
.rv:disabled { cursor: default; }
.rv-msg { font-size: 11px; color: var(--mut); }

/* dầu máy */
.oil-sum { font-size: 15px; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.oil-sum .sep { color: var(--outline-v); }
.oil-sum b { font-family: var(--mono); }
.kv { font-size: 13px; }
.kv .k { color: var(--mut); }
details.iname summary { cursor: pointer; color: var(--primary); font-size: 12px; }

/* kiểm mã trên ảnh */
.check-card { padding: 14px; display: flex; gap: 12px; align-items: flex-start; }
.check-card.ok { border-color: var(--ok-line); } .check-card.bad { border-color: var(--err-line); }
.check-card .thumb img { max-width: 120px; }
.check-card .num { display: flex; align-items: center; gap: 8px; margin: 2px 0; }
.check-card .num code { font-size: 18px; font-weight: 700; }
.verdict { margin-top: 6px; font-weight: 600; font-size: 13px; }
.new { font-size: 12px; color: var(--warn); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

/* lựa chọn */
.ask { border: 1px solid var(--primary-line); background: color-mix(in srgb, var(--primary) 4%, var(--lowest)); border-radius: var(--r-lg); padding: 14px; }
.ask-h { display: flex; align-items: center; gap: 6px; font-family: var(--label); font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--primary); text-transform: uppercase; }
.ask-h .ms { font-size: 18px; }
.ask .q { font-size: 14px; font-weight: 600; margin: 6px 0 10px; }
.ask .opts { display: flex; flex-direction: column; gap: 8px; }
.ask .opt { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 11px 14px; border-radius: var(--r); background: var(--lowest);
  border: 1px solid var(--variant); font-size: 13px; font-weight: 600; text-align: left; transition: border-color .15s, background .15s; }
.ask .opt:hover:not(:disabled) { border-color: var(--primary); }
.ask .opt .ms { color: var(--outline); font-size: 18px; }
.opts-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.opts-chips .opt { padding: 7px 12px; border-radius: 999px; background: var(--lowest); border: 1px solid var(--variant); font-size: 12px; font-weight: 500; }
.opts-chips .opt:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.opt:disabled { opacity: .55; cursor: default; }
.opt.picked { opacity: 1; border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

/* ô nhập trong cuộc tra */
.composer { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--variant);
  padding: 8px 12px calc(6px + env(safe-area-inset-bottom)); }
.composer > * { max-width: 820px; margin-left: auto; margin-right: auto; }
.suggest { display: flex; align-items: center; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-bottom: 8px; }
.suggest:empty { display: none; }
.suggest .lbl { flex-shrink: 0; display: inline-flex; align-items: center; gap: 3px; font-family: var(--label); font-size: 10px; font-weight: 700; letter-spacing: .06em; color: var(--mut); }
.suggest .lbl .ms { font-size: 14px; color: var(--orange); }
.suggest button { flex-shrink: 0; font-size: 12px; padding: 5px 12px; border-radius: 999px; background: var(--lowest); border: 1px solid var(--variant); white-space: nowrap; }
.suggest button:hover { border-color: var(--primary); color: var(--primary); }
.cbox { display: flex; align-items: flex-end; gap: 6px; background: var(--lowest); border: 1px solid var(--variant); border-radius: 18px; padding: 6px;
  box-shadow: var(--shadow); transition: border-color .15s, box-shadow .15s; }
.cbox.drag, .hero-box.drag { border-color: var(--primary); border-style: dashed; }
.cbox .tool { border: 0; background: transparent; color: var(--mut); }
.cbox textarea::placeholder { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cbox textarea { flex: 1; border: 0; outline: none; background: transparent; resize: none; padding: 8px 4px; max-height: 160px; font-size: 14px; line-height: 1.45; }
.foot { display: flex; align-items: center; justify-content: center; gap: 5px; font-size: 10px; color: var(--mut); padding-top: 5px; }
.foot i { width: 6px; height: 6px; border-radius: 999px; background: #10b981; }
.previews { display: flex; gap: 8px; flex-wrap: wrap; }
.previews:not(:empty) { padding-bottom: 8px; }
.pv { position: relative; }
.pv img { width: 56px; height: 56px; object-fit: cover; border-radius: 10px; border: 1px solid var(--variant); display: block; }
.pv button { position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 999px; background: var(--fg); color: var(--bg); display: grid; place-items: center; }
.pv button .ms { font-size: 14px; }

/* ───────── trang con ───────── */
.page { max-width: 900px; margin: 0 auto; width: 100%; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 8px 0 14px; }
.page-head h2 { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.search { display: flex; align-items: center; gap: 8px; background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r); padding: 0 12px; height: 46px; }
.search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-line); }
.search .ms { color: var(--mut); }
.search input { flex: 1; border: 0; outline: none; background: transparent; font-size: 14px; min-width: 0; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin: 12px 0; background: var(--cont); border-radius: var(--r); }
.seg button { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 8px; border-radius: 9px; font-size: 13px; font-weight: 600; color: var(--mut); }
.seg button .ms { font-size: 18px; }
.seg button b { font-size: 11px; font-weight: 600; background: var(--high); color: var(--mut); padding: 0 6px; border-radius: 999px; }
.seg button.on { background: var(--lowest); color: var(--primary); box-shadow: var(--shadow); }
.seg button.on b { background: var(--primary-soft); color: var(--primary); }
.filters { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin: 0 -16px 12px; padding: 0 16px; }
.filters button { flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: var(--lowest); border: 1px solid var(--variant); }
.filters button.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.filters .warn { background: var(--warn-bg); border-color: var(--warn-line); color: var(--warn); }
.filters .warn i { width: 7px; height: 7px; border-radius: 999px; background: var(--orange); }
.filters .warn b { background: var(--orange); color: #fff; font-size: 11px; padding: 0 6px; border-radius: 999px; }
.filters .warn.on { background: var(--orange); border-color: var(--orange); color: var(--on-orange); }
.hist-list { display: flex; flex-direction: column; gap: 12px; }
.hcard { padding: 14px; }
.hc-top { display: flex; align-items: flex-start; gap: 12px; }
.hc-ic { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: var(--cont); display: grid; place-items: center; color: var(--navy); }
.hc-main { flex: 1; min-width: 0; }
.hc-main h4 { margin: 0; font-size: 15px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hc-main .vin-row { display: inline-flex; margin-top: 4px; max-width: 100%; }
.hc-meta { flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 4px; font-size: 11px; color: var(--mut); }
.hc-parts { margin: 12px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--variant); }
.hc-parts li { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 2px; border-bottom: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); }
.hc-parts li.medium, .hc-parts li.low { background: var(--warn-bg); margin: 0 -8px; padding: 9px 10px; border-radius: 8px; border-bottom-color: transparent; }
.hc-parts .pn { min-width: 0; display: flex; align-items: flex-start; gap: 8px; }
.hc-parts .pn i { width: 7px; height: 7px; border-radius: 999px; background: var(--ok); margin-top: 6px; flex-shrink: 0; }
.hc-parts li.medium .pn i, .hc-parts li.low .pn i { background: var(--orange); }
.hc-parts .pn b { display: block; font-size: 13px; font-weight: 500; }
.hc-parts .pn code { font-size: 12px; font-weight: 700; }
.hc-parts .pn .arrow { font-size: 10px; color: var(--warn); background: var(--orange-soft); padding: 1px 5px; border-radius: 4px; font-family: var(--mono); margin-left: 4px; }
.hc-parts .pr { text-align: right; flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.hc-parts .pr .price { font-family: var(--mono); font-size: 13px; font-weight: 700; }
.hc-more { font-size: 12px; color: var(--mut); padding: 8px 2px 0; }
.hc-foot { display: flex; justify-content: space-between; gap: 8px; margin-top: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 14px; border-radius: 10px; font-size: 13px; font-weight: 600;
  background: var(--lowest); border: 1px solid var(--variant); transition: background .15s, transform .1s; }
.btn:hover { background: var(--cont); }
.btn:active { transform: scale(.97); }
.btn .ms { font-size: 18px; }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-dark); }
.btn.ghost-danger { color: var(--err); border-color: transparent; background: transparent; }
.btn.ghost-danger:hover { background: var(--err-bg); }

/* mã thông dụng */
.veh-pick { display: flex; align-items: center; gap: 12px; padding: 12px 14px; }
.veh-pick .hc-ic { background: var(--primary-soft); color: var(--primary); }
.veh-pick .now { font-size: 10px; font-weight: 700; color: var(--primary); background: var(--primary-soft); padding: 1px 6px; border-radius: 4px; }
.veh-pick b { display: block; font-size: 15px; margin-top: 2px; }
.veh-chips { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin: 12px -16px; padding: 0 16px; }
.veh-chips button { flex-shrink: 0; display: inline-flex; align-items: center; gap: 4px; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
  background: var(--lowest); border: 1px solid var(--variant); white-space: nowrap; max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.veh-chips button.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.veh-chips button .ms { font-size: 16px; }
.kit { padding: 14px; margin-bottom: 12px; }
.kit-h { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.kit-h h3 { margin: 0; font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.kit-h h3 .ms { color: var(--navy); }
.ai-tag { flex-shrink: 0; display: inline-flex; align-items: center; gap: 3px; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--orange); color: var(--on-orange); }
.ai-tag .ms { font-size: 13px; }
.kit p { margin: 4px 0 12px; font-size: 12px; color: var(--mut); }
.kit-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.kit-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--variant); border-radius: var(--r); background: var(--lowest); }
.kit-row .ms { color: var(--navy); }
.kit-row .nm { flex: 1; min-width: 0; font-size: 13px; font-weight: 500; }
.kit-row .nm small { display: block; }
.kit-row .price { font-family: var(--mono); font-size: 12px; font-weight: 700; }
.kit-total { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--variant); margin-top: 4px; }
.kit-total b { font-family: var(--mono); font-size: 18px; }
.btn.block { width: 100%; padding: 12px; font-size: 14px; }
.group { padding: 4px 14px; margin-bottom: 12px; }
.group-h { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--variant); }
.group-h h3 { margin: 0; font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.group-h h3 .ms { font-size: 18px; color: var(--navy); }
.group-h .cap { font-size: 12px; font-weight: 400; }
.crow { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 0; border-bottom: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); }
.crow:last-child { border-bottom: 0; }
.crow .nm { font-size: 13px; min-width: 0; }
.crow .codes { display: flex; align-items: center; gap: 6px; margin-top: 4px; flex-wrap: wrap; }
.crow .codes code { font-size: 12px; font-weight: 700; background: var(--cont); padding: 3px 8px; border-radius: 6px; }
.crow .codes .icon-btn { width: 26px; height: 26px; }
.crow .codes .icon-btn .ms { font-size: 16px; }
.crow .pr { text-align: right; flex-shrink: 0; }
.crow .pr .cap { display: block; }
.crow .pr b { font-family: var(--mono); font-size: 13px; }
.tip { display: flex; gap: 10px; padding: 12px 14px; border-radius: var(--r); background: var(--low); border: 1px solid var(--variant); font-size: 12px; color: var(--mut); }
.tip .ms { color: var(--warn); }
.tip b { color: var(--fg); }

/* tài khoản */
.acct, .info-card { padding: 14px; margin-bottom: 12px; }
.acct-row { display: flex; align-items: center; gap: 12px; }
.acct-row b { font-size: 16px; }
.avatar-lg { width: 52px; height: 52px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 800; display: grid; place-items: center; }
.acct-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.info-row { display: flex; gap: 12px; align-items: flex-start; padding: 6px 0; }
.info-row .ms { color: var(--primary); margin-top: 2px; }
.warn-card { background: var(--warn-bg); border-color: var(--warn-line); }
.warn-card .info-row .ms, .warn-card b { color: var(--warn); }
.warn-card code { font-size: 11px; background: var(--lowest); padding: 1px 5px; border-radius: 4px; color: var(--fg); }
.info-row b { font-size: 13px; }
.info-h { margin: 0 0 8px; font-size: 14px; display: flex; align-items: center; gap: 6px; }
.info-h .ms { color: var(--primary); }
.brands { margin: 0; font-size: 13px; }
.brands dt { font-weight: 600; margin-top: 10px; }
.brands dd { margin: 2px 0 0; color: var(--mut); }

/* login, toast, lightbox */
.login { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: var(--bg); }
.login-card { width: 100%; max-width: 360px; background: var(--lowest); border: 1px solid var(--variant); border-radius: var(--r-lg); padding: 22px;
  display: flex; flex-direction: column; gap: 12px; box-shadow: var(--shadow-lg); }
.login-card .brand-mark { display: grid; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; color: var(--mut); }
.login-card input { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--variant); background: var(--low); font-size: 14px; outline: none; }
.login-card input:focus { border-color: var(--primary); }
.login-card .error { color: var(--err); font-size: 12px; min-height: 1em; }
.toast { position: fixed; left: 50%; bottom: calc(var(--nav) + 20px); transform: translateX(-50%); z-index: 90; background: var(--fg); color: var(--bg);
  padding: 8px 16px; border-radius: 999px; font-size: 13px; box-shadow: var(--shadow-lg); max-width: calc(100vw - 32px); }
.shell[data-view="chat"] ~ .toast { bottom: 150px; }
.lightbox { position: fixed; inset: 0; z-index: 95; background: rgba(0, 0, 0, .85); display: grid; place-items: center; padding: 16px; overflow: auto; }
.lightbox img { max-width: 100%; max-height: 100%; background: #fff; border-radius: 8px; cursor: zoom-in; }
.lightbox.zoom { place-items: start; }
.lightbox.zoom img { max-width: none; max-height: none; cursor: zoom-out; }
.lb-close { position: fixed; top: 12px; right: 12px; background: rgba(255, 255, 255, .15); color: #fff; }

.only-desktop { display: none !important; }
.only-mobile-block { display: flex; }

/* ───────── máy tính ───────── */
@media (min-width: 1024px) {
  :root { --bar: 72px; }
  .only-mobile, .only-mobile-block { display: none !important; }
  .only-desktop { display: grid !important; }
  .bottomnav { display: none; }
  .appbar { padding: 0 32px; }
  .brand-mark { display: grid; }
  .brand { gap: 8px; }
  .topnav { display: flex; gap: 4px; flex: 1; justify-content: center; }
  .topnav button { padding: 8px 14px; border-radius: 10px; font-size: 14px; color: var(--mut); white-space: nowrap; }
  .topnav button:hover { background: var(--cont); color: var(--fg); }
  .topnav button.on { color: var(--primary); font-weight: 600; background: var(--primary-soft); }
  #v-home, .page { padding: 24px 32px 40px; }
  .page { max-width: 960px; }
  .home-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 24px; max-width: 1280px; margin: 0 auto; align-items: start; }
  .home-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--bar) + 24px); }
  .side-card { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
  .hero { padding: 24px; border-radius: 20px; }
  .hero-head h2 { font-size: 22px; }
  .hero-head p { font-size: 13px; }
  .hero-box { padding: 16px; }
  .hero-box textarea { font-size: 16px; min-height: 84px; }
  .hero-hint { display: inline; }
  .chip-row { flex-wrap: wrap; margin: 0; padding: 0; overflow: visible; }
  .sec { margin-top: 10px; }
  .sec-head h3 { font-size: 16px; }
  .part-grid { gap: 12px; }
  .pg { align-items: flex-start; text-align: left; padding: 14px; min-height: 96px; }
  .pg span:last-child { font-size: 13px; font-weight: 600; }
  .vlist { display: flex; flex-direction: column; gap: 10px; }
  .vlist .vcard { width: auto; background: var(--low); }
  .vlist .vin-row { background: var(--lowest); }
  .home-side .lk { background: var(--low); }
  #v-chat { padding-bottom: 170px; }
  .thread { padding: 24px 24px 8px; gap: 18px; }
  .chatbar-row { padding: 10px 24px; }
  .composer { padding: 10px 24px 12px; }
  .ct-line h1 { font-size: 17px; }
  .msg.user { max-width: 70%; }
  .part-card, .vehicle-card, .ask { padding: 18px; }
  .codebox code { font-size: 26px; }
  .vc-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filters { margin: 0 0 12px; padding: 0; }
  .veh-chips { margin: 12px 0; padding: 0; flex-wrap: wrap; }
  .toast { bottom: 24px; }
  .hist-list { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
}
@media (min-width: 640px) and (max-width: 1023px) {
  .part-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  #v-home .home-main { max-width: 640px; margin: 0 auto; width: 100%; }
}

/* ───────── hồ sơ xe ───────── */
.vp-head { padding: 16px; display: flex; gap: 14px; align-items: flex-start; }
.vp-head .hc-ic { width: 48px; height: 48px; background: var(--primary-soft); color: var(--primary); }
.vp-head h2 { margin: 0; font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.vp-head .vin-row { display: inline-flex; margin-top: 6px; max-width: 100%; }
.vp-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.vp-actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 4px; }
.vp-sec { padding: 4px 14px 10px; margin-top: 12px; }
.vp-sec .group-h { margin-bottom: 4px; }
.specs { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr); }
.spec { display: grid; grid-template-columns: minmax(110px, 40%) 1fr; gap: 8px; padding: 9px 0; border-bottom: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); }
.spec:last-child { border-bottom: 0; }
.spec dt { font-size: 12px; color: var(--mut); }
.spec dd { margin: 0; font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.spec dd small { display: block; font-weight: 400; font-size: 10px; color: var(--outline); margin-top: 1px; }
.spec dd .conflict { display: block; font-weight: 500; font-size: 11px; color: var(--warn); margin-top: 2px; }
.spec.ans dt { color: var(--primary); }
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 8px; padding: 6px 0; }
.media { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--variant); background: var(--low); aspect-ratio: 1; }
.media img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.media span { position: absolute; left: 4px; bottom: 4px; right: 4px; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 4px;
  background: rgba(15, 23, 42, .72); color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); }
.cat-row:last-child { border-bottom: 0; }
.cat-row .ms { color: var(--primary); }
.cat-row .nm { flex: 1; min-width: 0; font-size: 13px; }
.cat-row .nm b { display: block; }
.cat-row .nm code { font-size: 10px; color: var(--mut); overflow-wrap: anywhere; }
.log-row { display: flex; gap: 8px; align-items: flex-start; padding: 9px 0; border-bottom: 1px solid color-mix(in srgb, var(--variant) 60%, transparent); font-size: 12px; }
.log-row:last-child { border-bottom: 0; }
.log-row .st { flex-shrink: 0; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 4px; background: var(--cont); color: var(--mut); }
.log-row .st.found { background: var(--ok-bg); color: var(--ok); }
.log-row .st.miss { background: var(--err-bg); color: var(--err); }
.log-row .st.ask { background: var(--warn-bg); color: var(--warn); }
.log-row .tx { flex: 1; min-width: 0; }
.log-row .tx small { display: block; color: var(--mut); }
@media (min-width: 1024px) {
  .vp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
  .vp-grid .vp-sec { margin-top: 12px; }
}