/* ==========================================================================
   Component + chrome styles
   ========================================================================== */

/* ---- logo ---- */
.lockup { display: inline-flex; align-items: center; gap: 12px; min-width: 0; cursor: pointer; }
.lockup__mark { display: grid; place-items: center; flex: none; transition: transform .3s var(--ease-back); }
.lockup:hover .lockup__mark { transform: translateY(-2px); }
.lockup__copy { display: grid; gap: 2px; min-width: 0; }
.lockup__name { font-family: var(--font-display); font-weight: 700; font-size: 1.04rem; letter-spacing: -0.02em; line-height: 1; white-space: nowrap; }
.lockup__dot { color: var(--brand-ink); }
.lockup__sub { font-size: 11px; font-weight: 600; letter-spacing: 0.02em; color: var(--ink-mute); white-space: nowrap; text-transform: lowercase; }

/* ---- app header ---- */
.appbar { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 72%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.appbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 72px; }
.appnav { display: flex; align-items: center; gap: 2px; }
.appnav a { font-size: 14px; font-weight: 700; color: var(--ink-soft); padding: 9px 14px; border-radius: 999px; transition: color .15s, background .15s; cursor: pointer; }
.appnav a:hover { color: var(--ink); background: var(--hover); }
.appbar__right { display: flex; align-items: center; gap: 12px; }
.appbar__price { font-weight: 800; font-size: 13px; color: var(--brand-ink); border: 1px solid var(--brand-line); border-radius: 999px; padding: 7px 13px; background: var(--brand-soft); white-space: nowrap; }
@media (max-width: 900px) { .appnav { display: none; } }

/* ---- scan field ---- */
.scan {
    position: relative; display: flex; align-items: center; gap: 10px;
    padding: 8px 8px 8px 18px; border-radius: 999px;
    background: var(--bg-deep); border: 1px solid var(--line-strong);
    overflow: hidden; transition: border-color .2s, box-shadow .2s;
}
.scan:focus-within { border-color: var(--brand-line); box-shadow: 0 0 0 4px var(--brand-soft); }
.scan--big { padding: 12px 12px 12px 22px; }
.scan__icon { color: var(--ink-soft); flex: none; display: grid; place-items: center; }
.scan__input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); font-size: 1.06rem; font-weight: 600; letter-spacing: 0.01em; outline: none; }
.scan--big .scan__input { font-size: 1.2rem; }
.scan__input::placeholder { color: var(--ink-mute); font-weight: 500; }
.scan__btn { flex: none; }
.scan__beam { position: absolute; inset: 0; pointer-events: none; opacity: 0; background: linear-gradient(90deg, transparent, var(--brand-soft) 45%, color-mix(in srgb, var(--brand-2) 24%, transparent) 55%, transparent); }
.scan.is-busy .scan__beam { opacity: 1; animation: scanbeam 1.05s linear infinite; }
@keyframes scanbeam { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
@media (max-width: 560px) {
    .scan { flex-wrap: wrap; border-radius: var(--r-md); padding: 14px; }
    .scan__input { flex-basis: 100%; order: -1; }
    .scan__btn { width: 100%; }
}

/* ---- live preview suggestion (sits under .scan; wire to /check/preview) ---- */
.scan-suggest { margin-top: 10px; width: 100%; display: flex; align-items: center; gap: 13px; text-align: left;
    padding: 10px 14px; border: 1px solid var(--brand-line); border-radius: var(--r-md);
    background: var(--surface-solid); box-shadow: var(--shadow); animation: scan-suggest-in .25s var(--ease); }
button.scan-suggest { cursor: pointer; transition: border-color .15s, transform .15s, box-shadow .15s; }
button.scan-suggest:hover { border-color: var(--brand); transform: translateY(-1px); box-shadow: var(--shadow), var(--glow); }
.scan-suggest--busy { border-color: var(--line-strong); }
.scan-suggest__thumb { width: 54px; height: 41px; border-radius: var(--r-sm); object-fit: cover; flex: none; background: var(--surface-2); border: 1px solid var(--line); }
.scan-suggest__body { display: grid; gap: 2px; min-width: 0; flex: 1; }
.scan-suggest__row { display: flex; align-items: center; gap: 9px; }
.scan-suggest__title { font-weight: 800; font-size: 0.98rem; letter-spacing: -0.01em; }
.scan-suggest__sub { font-size: 0.82rem; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scan-suggest__go { font-weight: 800; color: var(--brand-ink); font-size: 0.86rem; white-space: nowrap; flex: none; }
.scan-suggest__spin { width: 22px; height: 22px; border-radius: 999px; flex: none; border: 2px solid var(--line-strong); border-top-color: var(--brand); animation: scan-suggest-spin .7s linear infinite; }
@keyframes scan-suggest-spin { to { transform: rotate(360deg); } }
@keyframes scan-suggest-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---- vehicle media ---- */
.vmedia { position: relative; margin: 0; overflow: hidden; border-radius: var(--r-md); background: var(--surface-2); border: 1px solid var(--line); }
.vmedia img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform 1.1s var(--ease); }
.vmedia--zoom:hover img { transform: scale(1.06); }
.vmedia__ph { position: absolute; inset: 0; display: grid; grid-auto-flow: row; place-content: center; justify-items: center; gap: 7px; text-align: center; padding: 16px; background: radial-gradient(120% 120% at 50% 35%, var(--surface-2), var(--surface-3)); }
.vmedia__ph-ic { width: 46px; height: 46px; color: var(--ink-mute); opacity: 0.7; }
.vmedia__ph-t { font-weight: 800; font-size: 0.95rem; color: var(--ink-soft); letter-spacing: -0.01em; }
.vmedia__ph-s { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-mute); }
.vmedia--empty { border-style: dashed; }
.vmedia__tag { position: absolute; bottom: 12px; left: 12px; font-size: 11px; font-weight: 800; letter-spacing: 0.05em; color: var(--ink); background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: blur(6px); padding: 6px 11px; border-radius: 999px; border: 1px solid var(--line); }

/* ---- browser chrome ---- */
.chrome { overflow: hidden; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--surface-2); box-shadow: var(--shadow); }
.chrome__bar { display: flex; align-items: center; gap: 12px; min-height: 46px; padding: 0 16px; border-bottom: 1px solid var(--line); background: var(--bg-deep); }
.chrome__dots { display: inline-flex; gap: 7px; }
.chrome__dots i { width: 10px; height: 10px; border-radius: 999px; background: var(--surface-3); }
.chrome__url { flex: 1; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chrome__live { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; font-weight: 800; letter-spacing: 0.08em; color: var(--ok); }
.chrome__body { background: #fff; }
.chrome__body img { width: 100%; display: block; }

/* ---- step rail (horizontal connected stepper; blade outputs `.rail` on every flow screen) ---- */
.rail { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 0; }
.rail__step { flex: 1 1 0; display: flex; align-items: center; gap: 10px; min-width: 0; padding: 0; border: 0; background: transparent; }
.rail__step::after { content: ""; flex: 1; height: 2px; min-width: 10px; margin: 0 9px; border-radius: 999px; background: var(--line-strong); }
.rail__step:last-child { flex: 0 1 auto; }
.rail__step:last-child::after { display: none; }
.rail__step > .led { display: none; }
.rail__idx { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 999px; background: var(--surface-3); color: var(--ink-mute); font-weight: 800; font-size: 12px; flex: none; }
.rail__body { display: grid; gap: 1px; min-width: 0; }
.rail__title { font-weight: 800; font-size: 0.84rem; line-height: 1.15; }
.rail__copy { display: none; color: var(--ink-soft); font-size: 0.82rem; }
.rail__step--active .rail__idx { background: var(--grad); color: #fff; box-shadow: var(--glow); }
.rail__step--active .rail__title { color: var(--brand-ink); }
.rail__step--complete .rail__idx { background: var(--ok-soft); color: var(--ok); }
.rail__step--complete::after { background: color-mix(in srgb, var(--ok) 45%, var(--line-strong)); }
@media (max-width: 620px) {
    .rail { flex-direction: column; align-items: stretch; gap: 8px; }
    .rail__step { flex: none; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-2); }
    .rail__step::after { display: none; }
    .rail__step--active { border-color: var(--brand-line); background: var(--brand-soft); }
    .rail__copy { display: block; }
}

/* ---- data list ---- */
.datalist { margin: 0; display: grid; gap: 12px; }
.datalist .row-lead dt, .datalist .row-lead dd { margin: 0; }

/* ---- meter ---- */
.meter { display: grid; gap: 10px; }
.meter__head { display: flex; align-items: center; justify-content: space-between; }
.meter__pct { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--brand-ink); }
.meter__track { height: 12px; border-radius: 999px; background: var(--bg-deep); border: 1px solid var(--line); overflow: hidden; }
.meter__fill { position: relative; height: 100%; border-radius: 999px; background: var(--grad); transition: width .7s var(--ease); overflow: hidden; }
.meter__shine { position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent); animation: meterShine 1.6s linear infinite; }
@keyframes meterShine { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* ---- section head ---- */
.sec-head--center { text-align: center; margin-inline: auto; }
.sec-head--center .kicker { justify-content: center; }

/* ---- grids ---- */
.g2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.g3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.g4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
@media (max-width: 960px) { .g4 { grid-template-columns: repeat(2,1fr); } .g3 { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .g2, .g4 { grid-template-columns: 1fr; } }

/* ---- feature card ---- */
.fcard { padding: 22px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); display: grid; gap: 13px; align-content: start; transition: transform .25s var(--ease), border-color .25s, box-shadow .25s; }
.fcard:hover { transform: translateY(-4px); border-color: var(--brand-line); box-shadow: var(--shadow); }
.fcard__ico { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; color: #fff; background: var(--grad); box-shadow: var(--glow); }
.fcard__n { font-weight: 800; font-size: 12px; color: var(--ink-mute); }

/* ---- footer ---- */
.foot { position: relative; z-index: 1; border-top: 1px solid var(--line); padding-block: 48px; background: var(--bg-deep); }
.foot__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.foot__links { display: grid; gap: 10px; align-content: start; }
.foot__links a, .foot__links span { color: var(--ink-soft); font-size: 0.9rem; font-weight: 600; }
.foot__links a:hover { color: var(--brand-ink); cursor: pointer; }
.foot__label { font-size: 11px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 4px; }
@media (max-width: 760px) { .foot__grid { grid-template-columns: 1fr; gap: 26px; } }

/* ---- prototype rail ---- */
.proto {
    position: fixed; z-index: 60; left: 50%; bottom: 18px; transform: translateX(-50%);
    display: flex; align-items: center; gap: 3px; padding: 6px;
    border: 1px solid var(--line-strong); border-radius: 999px;
    background: color-mix(in srgb, var(--surface-solid) 86%, transparent);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-pop); max-width: calc(100% - 24px); overflow-x: auto; scrollbar-width: none;
}
.proto::-webkit-scrollbar { display: none; }
.proto__btn { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; font-size: 12.5px; font-weight: 700; color: var(--ink-soft); padding: 9px 14px; border-radius: 999px; transition: all .16s var(--ease); }
.proto__btn:hover { color: var(--ink); background: var(--hover); }
.proto__btn.is-active { color: var(--on-brand); background: var(--grad); box-shadow: var(--glow); }
.proto__btn .n { opacity: .55; font-variant-numeric: tabular-nums; }
.proto__label { font-size: 10px; font-weight: 800; letter-spacing: 0.12em; color: var(--ink-mute); padding-left: 10px; padding-right: 2px; }
.proto__sep { width: 1px; height: 18px; background: var(--line-strong); margin-inline: 4px; flex: none; }
@media (max-width: 640px) { .proto__label { display: none; } }

/* ---- toast ---- */
.toast { position: fixed; z-index: 80; left: 50%; bottom: 86px; transform: translateX(-50%); display: flex; align-items: center; gap: 11px; padding: 13px 18px; border-radius: 999px; border: 1px solid var(--brand-line); background: var(--surface-solid); box-shadow: var(--shadow-pop); font-size: 0.92rem; font-weight: 600; animation: screen-in .3s var(--ease); }

/* ---- alert ---- */
.alert { display: flex; gap: 13px; align-items: flex-start; padding: 16px 18px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--surface-2); font-size: 0.92rem; line-height: 1.55; }
.alert--caution { border-color: rgba(255,176,46,0.3); background: var(--caution-soft); }
.alert .led { margin-top: 6px; }
.alert strong { color: var(--ink); }