/* Score My Car. Black and silver. Responsive 320px–1920px, no horizontal page scroll. */
:root {
  --page: #F3F4F5; --paper: #FFFFFF; --tint: #F8F9FA;
  --silver: #C0C4C8; --silver-lt: #DADDE0; --silver-dk: #8E959B;
  --ink: #171717; --ink-dp: #0B0B0B; --ink-sf: #2A2A2A;
  --rule: #E1E3E6; --rule-dk: #C4C8CC; --muted: #6F7378;
  --red: #8C1017; --green: #2F5D43;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font: 15px/1.45 var(--font); color: var(--ink); background: var(--page); overflow-x: hidden; }
a { color: var(--ink); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
.noscript { padding: 40px 20px; text-align: center; color: var(--muted); }

/* ---------- top bar ---------- */
.top { background: var(--ink-dp); color: #fff; display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 3px solid var(--silver); position: sticky; top: 0; z-index: 10; }
.brand { text-decoration: none; color: #fff; display: flex; flex-wrap: wrap; gap: 2px 12px; align-items: baseline; }
.brand-name { font-weight: 700; letter-spacing: 2px; color: var(--silver-lt); font-size: 15px; }
.brand-sub { font-size: 13px; color: #A9AEB3; }
.topnav { display: flex; gap: 4px; }
.topnav a { color: #D5D8DB; text-decoration: none; font-size: 14px; font-weight: 600; padding: 6px 10px; border-radius: 6px; }
.topnav a:hover { color: #fff; background: rgba(255,255,255,.07); }
@media (max-width: 560px) { .topnav a { padding: 6px 8px; font-size: 13px; } }

main { max-width: 1180px; margin: 0 auto; padding: 20px; }

/* ---------- buttons & inputs ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--rule-dk); background: var(--paper); cursor: pointer; text-decoration: none; color: var(--ink); font-size: 14px; font-weight: 600; white-space: nowrap; }
.btn:hover { border-color: var(--ink); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--ink-dp); border-color: var(--ink-dp); color: #fff; }
.btn.primary:hover { background: var(--ink-sf); }
.btn.ghost { background: transparent; color: #fff; border-color: #5C6166; }
.btn.ghost:hover { border-color: var(--silver); }
.btn.big { min-height: 46px; padding: 10px 22px; font-size: 15px; }
.link-btn { background: none; border: 0; padding: 0; color: var(--ink); text-decoration: underline; cursor: pointer; font-weight: 600; }
input, select, textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--rule-dk); border-radius: 8px; background: var(--paper); min-height: 40px; }
input:focus, select:focus, textarea:focus, .drop:focus { outline: 2px solid var(--silver-dk); outline-offset: 1px; border-color: var(--silver-dk); }
textarea { resize: vertical; min-height: 120px; }
label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 12px; }
label > input, label > select, label > textarea { margin-top: 5px; font-weight: 400; }
.sub { display: block; font-weight: 400; font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.count { display: block; text-align: right; font-weight: 400; font-size: 12px; color: var(--muted); margin-top: 3px; }
.lbl { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 5px; }
.field { margin-bottom: 12px; }
.grid3 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) minmax(0, 1.6fr); gap: 12px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 13.5px; line-height: 1.45; }
.check input { width: auto; min-height: 0; margin-top: 3px; }
.actions { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.err { background: #FBE9EA; color: var(--red); border: 1px solid #F0C9CC; border-radius: 8px; padding: 10px 12px; margin: 10px 0; font-size: 14px; }
.turnstile { margin: 8px 0; min-height: 0; }

/* ---------- drop zone ---------- */
.drop { border: 2px dashed var(--rule-dk); border-radius: var(--radius); padding: 22px 18px; text-align: center; background: var(--tint); cursor: pointer; }
.drop:hover, .drop.over { border-color: var(--ink); background: #EEF0F2; }
.drop .link { text-decoration: underline; }
.drop .sub { margin-top: 8px; }
.filelist { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.filelist li { display: flex; align-items: center; gap: 10px; background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; padding: 6px 10px; font-size: 13.5px; }
.filelist .fn { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filelist .fs { color: var(--muted); font-size: 12.5px; white-space: nowrap; }
.filelist button { background: none; border: 0; cursor: pointer; color: var(--muted); font-size: 18px; line-height: 1; padding: 0 2px; }
.filelist button:hover { color: var(--red); }

/* ---------- hero ---------- */
.hero { background: var(--ink-dp); color: #fff; border-radius: 14px; padding: 34px 36px; border-bottom: 3px solid var(--silver); }
.hero .kicker { font-size: 11.5px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--silver-lt); }
.hero h1 { font-size: 32px; line-height: 1.18; margin: 8px 0 12px; letter-spacing: -.4px; max-width: 24ch; }
.hero .lead { max-width: 78ch; color: #D5D8DB; font-size: 16px; line-height: 1.6; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero-actions .btn.primary { background: var(--silver-lt); border-color: var(--silver-lt); color: var(--ink-dp); }
.hero-actions .btn.primary:hover { background: #fff; }

/* ---------- sections ---------- */
.sec { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); padding: 22px 24px; margin-top: 16px; min-width: 0; scroll-margin-top: 70px; }
.sec h2 { font-size: 20px; margin: 0 0 6px; }
.sec .help { margin: 0 0 14px; color: var(--muted); font-size: 13.5px; }
.bands { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 720px) { .bands { grid-template-columns: minmax(0, 1fr); } }
.band-row { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 8px; background: var(--tint); }
.band-row .rng { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.band-row.above { border-color: var(--rule-dk); }
.band-row.threshold { background: var(--ink-dp); color: #fff; border-color: var(--ink-dp); }
.band-row.threshold .bnote { color: #C9CDD1; }
.bnote { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.form-sec { padding-top: 24px; }
.code-row { display: flex; gap: 10px; align-items: center; max-width: 420px; }
.code-row input { font-size: 24px; letter-spacing: 6px; text-align: center; font-variant-numeric: tabular-nums; }
#verify h3 { font-size: 18px; margin-bottom: 6px; }

/* ---------- result ---------- */
.result-head { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; align-items: center; background: var(--ink-dp); color: #fff; border-radius: 14px; padding: 24px 28px; border-bottom: 3px solid var(--silver); }
.dial { text-align: center; min-width: 120px; }
.dial .n { font-size: 56px; font-weight: 700; line-height: 1; letter-spacing: -1px; font-variant-numeric: tabular-nums; }
.dial .of { font-size: 12px; color: #A9AEB3; letter-spacing: 1px; text-transform: uppercase; margin-top: 4px; }
.result-head .car { font-size: 13px; color: #A9AEB3; text-transform: uppercase; letter-spacing: 1.2px; }
.result-head .band { font-size: 26px; font-weight: 700; margin: 4px 0 2px; color: var(--silver-lt); }
.result-head .bnote { color: #C9CDD1; font-size: 14px; }
.result-head.hi .band { color: #fff; }
.rationale { font-size: 16px; line-height: 1.65; margin: 18px 0; max-width: 80ch; }
.lists { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 16px 0; }
.lists .box { background: var(--tint); border: 1px solid var(--rule); border-left: 4px solid var(--silver-dk); border-radius: 8px; padding: 12px 14px; }
.lists .box.pro { border-left-color: var(--green); }
.lists .box.con { border-left-color: var(--red); }
.lists .box.up { border-left-color: var(--ink-sf); }
.lists .box.down { border-left-color: var(--silver-dk); }
.lists + .lists { margin-top: 0; }
.lists h4 { margin: 0 0 6px; font-size: 11.5px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); }
.lists ul { margin: 0; padding-left: 18px; font-size: 14px; line-height: 1.5; }
.progress { display: flex; align-items: center; gap: 12px; padding: 18px; background: var(--tint); border: 1px solid var(--rule); border-radius: 8px; }
.spin { width: 18px; height: 18px; border: 2px solid var(--rule-dk); border-top-color: var(--ink); border-radius: 50%; animation: spin .9s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.share { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.share input { max-width: 420px; font-size: 13px; }

/* ---------- footer, toast ---------- */
.foot { max-width: 1180px; margin: 24px auto 40px; padding: 0 20px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; color: var(--muted); font-size: 13px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 16px; }
.foot a { color: var(--muted); }
#toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink-dp); color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100% - 40px); }
#toast.on { opacity: 1; }
#toast.bad { background: var(--red); }

/* ---------- legal pages ---------- */
.legal { max-width: 800px; margin: 0 auto; padding: 24px 20px 60px; }
.legal h1 { font-size: 28px; margin: 8px 0 4px; }
.legal .asof { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.legal h2 { font-size: 18px; margin: 26px 0 8px; }
.legal p, .legal li { line-height: 1.6; }
.legal .notice { background: var(--tint); border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; font-size: 14px; }

@media (max-width: 900px) { .grid3 { grid-template-columns: minmax(0, 1fr); } .lists { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) {
  main { padding: 12px; }
  .hero { padding: 24px 18px; } .hero h1 { font-size: 25px; } .hero .lead { font-size: 15px; }
  .sec { padding: 16px; } .grid2 { grid-template-columns: minmax(0, 1fr); }
  .result-head { grid-template-columns: minmax(0, 1fr); padding: 20px 18px; } .dial { text-align: left; } .dial .n { font-size: 48px; }
  .band-row { grid-template-columns: 56px minmax(0, 1fr); }
}