/* verify.kxco.ai — minimal, no framework, dark default with light fallback.
   KXCO gold: #b0964f. */

:root {
  --bg:           #0a0a0b;
  --panel:        #15151a;
  --text:         #e6e6ec;
  --text-dim:     #8b8b9a;
  --text-faint:   #5b5b6a;
  --border:       #25252b;
  --gold:         #b0964f;
  --green:        #22c55e;
  --yellow:       #fbbf24;
  --red:          #ef4444;
  --mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:        #f7f7f8;
    --panel:     #ffffff;
    --text:      #15151a;
    --text-dim:  #4b4b5a;
    --text-faint:#a0a0b0;
    --border:    #e2e2e7;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--border);
  max-width: 1200px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 0.5rem; }
.brand-mark { color: var(--gold); font-size: 1.25rem; }
.brand-name { font-family: var(--mono); font-size: 0.9rem; color: var(--text); }
.site-nav a {
  margin-left: 1rem; color: var(--text-dim); text-decoration: none;
  font-size: 0.85rem;
}
.site-nav a:hover { color: var(--gold); }

.container {
  max-width: 720px; margin: 0 auto; padding: 3rem 1.5rem 6rem;
}

.title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin: 0 0 0.5rem; color: var(--text); font-weight: 600;
  letter-spacing: -0.01em;
}
.lede {
  color: var(--text-dim); font-size: 0.95rem; max-width: 60ch; margin: 0 0 2rem;
}
.lede code, .lede a { color: var(--text); }
.lede a { text-decoration: underline; text-decoration-color: var(--gold); }

.verify-form {
  display: flex; gap: 0.5rem; margin: 0 0 0.75rem;
}
.verify-form input[type="url"] {
  flex: 1; font-family: var(--mono); font-size: 0.95rem;
  padding: 0.85rem 1rem; border-radius: 6px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); outline: none;
  min-width: 0;
}
.verify-form input[type="url"]:focus {
  border-color: var(--gold);
}
.verify-form button {
  font-family: var(--sans); font-size: 0.95rem; font-weight: 600;
  padding: 0.85rem 1.5rem; border-radius: 6px; border: 0;
  background: var(--gold); color: #0a0a0b; cursor: pointer;
  transition: opacity 0.15s;
}
.verify-form button:hover  { opacity: 0.9; }
.verify-form button:disabled { opacity: 0.5; cursor: progress; }

.examples {
  font-size: 0.8rem; color: var(--text-faint); margin: 0 0 2rem;
}
.examples button.example {
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  font-family: var(--mono); font-size: 0.75rem;
  padding: 0.25rem 0.5rem; border-radius: 4px; cursor: pointer; margin-left: 0.5rem;
}
.examples button.example:hover { color: var(--gold); border-color: var(--gold); }

.result {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.5rem; margin: 1.5rem 0 2rem;
}
.result.state-valid    { border-left: 4px solid var(--green); }
.result.state-rotated  { border-left: 4px solid var(--yellow); }
.result.state-invalid  { border-left: 4px solid var(--red); }
.result.state-error    { border-left: 4px solid var(--text-faint); }

.result h2 {
  margin: 0 0 0.5rem; font-size: 1.1rem; display: flex; align-items: center; gap: 0.6rem;
}
.result .state-pill {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 4px;
  font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.05em; font-weight: 700;
}
.state-pill.state-valid   { background: rgba(34,197,94,0.15);   color: var(--green); }
.state-pill.state-rotated { background: rgba(251,191,36,0.15);  color: var(--yellow); }
.state-pill.state-invalid { background: rgba(239,68,68,0.15);   color: var(--red); }
.state-pill.state-error   { background: rgba(139,139,154,0.15); color: var(--text-faint); }

.result .summary {
  font-size: 0.95rem; color: var(--text); margin: 0 0 0.5rem;
}
.result .disclaimer {
  font-size: 0.8rem; color: var(--text-faint); font-style: italic;
  margin: 0.5rem 0 1.25rem;
}
.result dl {
  display: grid; grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem; margin: 0; font-size: 0.85rem;
}
.result dt {
  color: var(--text-dim); font-family: var(--mono); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.04em;
  align-self: center;
}
.result dd {
  margin: 0; font-family: var(--mono); color: var(--text); word-break: break-all;
}
.result .raw {
  margin-top: 1.25rem;
}
.result .raw summary {
  font-size: 0.8rem; color: var(--text-faint); cursor: pointer; padding: 0.25rem 0;
}
.result .raw pre {
  background: var(--bg); border: 1px solid var(--border); border-radius: 4px;
  padding: 0.75rem; overflow: auto; font-size: 0.75rem; color: var(--text-dim);
  max-height: 320px;
}
.result .error-detail {
  background: var(--bg); border: 1px solid var(--border); border-radius: 4px;
  padding: 0.75rem; font-family: var(--mono); font-size: 0.8rem;
  color: var(--text); margin: 0.5rem 0 1rem;
}

.fallback {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem 1.25rem; margin: 1.5rem 0 2rem;
}
.fallback[open] { padding-bottom: 1.5rem; }
.fallback summary {
  cursor: pointer; font-size: 0.85rem; color: var(--text-dim);
}
.fallback summary:hover { color: var(--gold); }
.fallback textarea {
  width: 100%; margin-top: 0.5rem; font-family: var(--mono); font-size: 0.8rem;
  padding: 0.75rem; border-radius: 4px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); resize: vertical;
}
.fallback button {
  margin-top: 0.5rem; font-size: 0.85rem; font-weight: 600;
  padding: 0.5rem 1rem; border-radius: 4px; border: 0;
  background: var(--gold); color: #0a0a0b; cursor: pointer;
}

.trust-frame {
  margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border);
}
.trust-frame h2 {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-faint); font-weight: 600; margin: 0 0 1rem;
}
.trust-frame ul {
  list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.75rem;
}
.trust-frame li {
  font-size: 0.85rem; color: var(--text-dim); line-height: 1.55;
}
.trust-frame strong { color: var(--text); }

.dim { color: var(--text-faint); font-size: 0.85rem; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem; text-align: center;
  max-width: 1200px; margin: 0 auto;
}
.site-footer p { margin: 0 0 0.5rem; font-size: 0.8rem; color: var(--text-dim); }
.site-footer p.dim { font-size: 0.75rem; color: var(--text-faint); }
.site-footer a { color: var(--text-dim); text-decoration: none; }
.site-footer a:hover { color: var(--gold); }