/* SmartLedger Verify — brand tokens carried over from smartledger.technology
   so the app reads as the same company as the marketing site. */
:root {
  --primary: #00ff9d;
  --primary-dim: #00c97c;
  --primary-glow: rgba(0, 255, 157, .35);
  --accent: #003b1c;
  --bg-dark: #020604;
  --bg-lift: #04100a;
  --card-bg: rgba(0, 255, 157, .025);
  --glass-border: rgba(0, 255, 157, .14);
  --glass-border-soft: rgba(0, 255, 157, .07);
  --text-main: #e2e8f0;
  --text-soft: #cbd5e1;
  --text-muted: #a8b7c8;
  --text-dim: #8da2b6;
  --bad: #ff6b6b;
  --bad-bg: rgba(255, 107, 107, .09);
  --warn: #f7c948;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text-main);
  background-color: var(--bg-dark);
  /* Faint engineering grid, matching the marketing site's hero. */
  background-image:
    radial-gradient(circle at 50% -20%, rgba(0, 255, 157, .10), transparent 45%),
    linear-gradient(rgba(0, 255, 157, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 157, .035) 1px, transparent 1px);
  background-size: 100% 100%, 46px 46px, 46px 46px;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--primary); color: #02150c;
  padding: 10px 16px; font-family: var(--mono); font-weight: 700; z-index: 99;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- shell ---------- */
.masthead {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 18px 24px;
  border-bottom: 1px solid var(--glass-border-soft);
  background: rgba(2, 6, 4, .82);
  backdrop-filter: blur(14px);
  position: sticky; top: 0; z-index: 20;
}
.wordmark { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-weight: 700; letter-spacing: .06em; font-size: 15px; }
.wordmark .diamond { width: 13px; height: 13px; background: var(--primary); transform: rotate(45deg); box-shadow: 0 0 14px var(--primary-glow); flex: none; }
.wordmark .sub { color: var(--primary); }
.masthead .spacer { flex: 1 1 auto; }
.masthead nav { display: flex; gap: 20px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.masthead nav a { color: var(--text-muted); }
.masthead nav a:hover { color: var(--primary); }

main { max-width: 1080px; margin: 0 auto; padding: 44px 24px 80px; }

.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .22em; color: var(--primary); text-transform: uppercase; margin: 0 0 14px; }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.1; margin: 0 0 16px; font-weight: 800; letter-spacing: -.02em; }
.lede { font-size: 17px; color: var(--text-soft); max-width: 66ch; margin: 0 0 8px; }
.lede strong { color: var(--text-main); font-weight: 600; }

/* ---------- live status strip ---------- */
.status-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1px;
  margin: 32px 0 36px;
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  background: var(--glass-border-soft); overflow: hidden;
}
.status-cell { background: var(--bg-lift); padding: 14px 16px; }
.status-cell .k { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); }
.status-cell .v { font-family: var(--mono); font-size: 17px; margin-top: 5px; color: var(--text-main); }
.status-cell .v.ok { color: var(--primary); }
.status-cell .v.warn { color: var(--warn); }
.status-cell .v.bad { color: var(--bad); }

/* ---------- source switch ---------- */
.sources { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.source-btn {
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  padding: 9px 16px; border-radius: 8px; cursor: pointer;
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--glass-border);
}
.source-btn:hover { color: var(--primary); border-color: var(--primary-dim); }
.source-btn[aria-selected="true"] { background: rgba(0, 255, 157, .10); color: var(--primary); border-color: var(--primary); }

/* ---------- input card ---------- */
.card {
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card-bg), rgba(0, 255, 157, .008));
  padding: 22px;
}
.card + .card { margin-top: 20px; }
.card h2 { font-size: 15px; font-family: var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-soft); margin: 0 0 6px; font-weight: 600; }
.card .hint { font-size: 13px; color: var(--text-dim); margin: 0 0 16px; }

.dropzone { position: relative; border: 1px dashed var(--glass-border); border-radius: 10px; transition: border-color .18s, background .18s; }
.dropzone.dragging { border-color: var(--primary); background: rgba(0, 255, 157, .05); }
textarea {
  display: block; width: 100%; min-height: 190px; resize: vertical;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.65;
  color: var(--text-main); background: rgba(0, 0, 0, .34);
  border: 0; border-radius: 10px; padding: 15px; outline: none;
}
textarea::placeholder { color: #5d7385; }

input[type="text"] {
  width: 100%; font-family: var(--mono); font-size: 14px;
  color: var(--text-main); background: rgba(0, 0, 0, .34);
  border: 1px solid var(--glass-border); border-radius: 10px; padding: 13px 15px; outline: none;
}
input[type="text"]::placeholder { color: #5d7385; }
input[type="text"]:focus { border-color: var(--primary); }

.controls { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }
button.btn {
  font-family: var(--mono); font-size: 13px; letter-spacing: .05em;
  padding: 11px 20px; border-radius: 8px; cursor: pointer; font-weight: 700;
  background: var(--primary); color: #02150c; border: 1px solid var(--primary);
}
button.btn:hover:not(:disabled) { box-shadow: 0 0 22px var(--primary-glow); }
button.btn.ghost { background: transparent; color: var(--text-soft); border-color: var(--glass-border); font-weight: 400; }
button.btn.ghost:hover:not(:disabled) { color: var(--primary); border-color: var(--primary-dim); box-shadow: none; }
button.btn:disabled { opacity: .45; cursor: not-allowed; }
.controls .grow { flex: 1 1 auto; }

/* Locally-hashed file chip. The file is never uploaded. */
.filechip {
  display: none; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 14px; padding: 11px 14px;
  border: 1px solid var(--glass-border); border-radius: 9px; background: rgba(0, 0, 0, .28);
  font-family: var(--mono); font-size: 12px;
}
.filechip.shown { display: flex; }
.filechip .name { color: var(--text-main); font-weight: 700; }
.filechip .hash { color: var(--text-dim); word-break: break-all; }
.filechip .drop { margin-left: auto; background: none; border: 0; color: var(--text-dim); cursor: pointer; font-family: var(--mono); font-size: 16px; padding: 0 4px; }
.filechip .drop:hover { color: var(--bad); }

/* ---------- verdict ---------- */
.result { margin-top: 24px; }
.result:empty { margin-top: 0; }

.verdict {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 22px; border-radius: var(--radius);
  border: 1px solid var(--glass-border); background: rgba(0, 255, 157, .07);
}
.verdict.no { border-color: rgba(255, 107, 107, .45); background: var(--bad-bg); }
.verdict.neutral { border-color: var(--glass-border-soft); background: rgba(255, 255, 255, .02); }
.verdict .mark { font-family: var(--mono); font-size: 27px; line-height: 1; color: var(--primary); flex: none; }
.verdict.no .mark { color: var(--bad); }
.verdict.neutral .mark { color: var(--text-dim); }
.verdict h3 { margin: 0; font-size: 21px; letter-spacing: -.01em; }
.verdict p { margin: 3px 0 0; font-size: 13.5px; color: var(--text-muted); }

.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); gap: 10px; margin-top: 16px; }
.check { border: 1px solid var(--glass-border-soft); border-radius: 10px; padding: 12px 14px; background: rgba(0, 0, 0, .22); }
.check .k { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }
.check .v { font-family: var(--mono); font-size: 14px; margin-top: 5px; }
.check .v.yes { color: var(--primary); }
.check .v.no { color: var(--bad); }
.check .v.na { color: var(--text-dim); }

.facts { margin-top: 16px; border: 1px solid var(--glass-border-soft); border-radius: 10px; overflow: hidden; }
.fact { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 14px; padding: 11px 15px; border-bottom: 1px solid var(--glass-border-soft); }
.fact:last-child { border-bottom: 0; }
.fact dt { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); margin: 0; }
.fact dd { margin: 0; font-family: var(--mono); font-size: 12.5px; color: var(--text-soft); word-break: break-all; }

.reasons { margin-top: 14px; padding: 13px 16px; border-radius: 10px; border: 1px solid rgba(255, 107, 107, .35); background: var(--bad-bg); }
.reasons h4 { margin: 0 0 7px; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--bad); }
.reasons ul { margin: 0; padding-left: 20px; font-size: 13.5px; color: var(--text-soft); }

/* Result of comparing the locally-computed digest to the certificate. */
.filematch { margin-top: 14px; padding: 14px 16px; border-radius: 10px; border: 1px solid var(--glass-border); background: rgba(0, 255, 157, .06); font-size: 14px; }
.filematch.no { border-color: rgba(255, 107, 107, .45); background: var(--bad-bg); }
.filematch strong { font-family: var(--mono); }

details.raw { margin-top: 16px; }
details.raw summary { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-dim); cursor: pointer; padding: 8px 0; }
details.raw summary:hover { color: var(--primary); }
details.raw pre {
  margin: 8px 0 0; padding: 15px; overflow-x: auto; max-height: 420px;
  background: rgba(0, 0, 0, .42); border: 1px solid var(--glass-border-soft); border-radius: 10px;
  font-family: var(--mono); font-size: 11.5px; line-height: 1.6; color: var(--text-soft);
}

.note { margin-top: 34px; padding: 18px 20px; border-left: 2px solid var(--glass-border); background: rgba(0, 255, 157, .02); border-radius: 0 10px 10px 0; }
.note h2 { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--primary); margin: 0 0 9px; }
.note p { margin: 0 0 9px; font-size: 13.5px; color: var(--text-muted); }
.note p:last-child { margin-bottom: 0; }

footer { border-top: 1px solid var(--glass-border-soft); margin-top: 60px; padding: 24px; text-align: center; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--text-dim); text-transform: uppercase; }

.spin { display: inline-block; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 620px) {
  main { padding: 30px 16px 60px; }
  .masthead { padding: 14px 16px; }
  .fact { grid-template-columns: 1fr; gap: 3px; }
  .controls .grow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}