/* ==========================================================================
   CF Origin Finder — network-ops dashboard aesthetic
   Palette: deep slate base, teal = "shielded / Cloudflare", amber = "exposed"
   Type: Space Grotesk (headings) + IBM Plex Mono (data/IPs)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500&display=swap');

:root {
  --bg:        #0a0f14;
  --panel:     #111820;
  --panel-2:   #161f29;
  --border:    #223040;
  --text:      #dbe4ea;
  --muted:     #748896;
  --muted-2:   #64798a;
  --teal:      #4fd1c5;
  --teal-dim:  #1d3d3a;
  --amber:     #ff9d52;
  --amber-dim: #4a2f18;
  --red:       #ff6b6b;

  --font-display: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(79,209,197,0.06), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(255,157,82,0.05), transparent 45%);
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

/* ---------------------------------- Hero --------------------------------- */

.hero { margin-bottom: 28px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid rgba(79,209,197,0.35);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.subtitle {
  color: var(--muted-2);
  font-size: 15.5px;
  line-height: 1.6;
  max-width: 620px;
  margin: 0;
}

/* --------------------------------- Notice --------------------------------- */

.notice {
  background: var(--amber-dim);
  border: 1px solid rgba(255,157,82,0.4);
  color: #ffd9b8;
  font-size: 13.5px;
  line-height: 1.55;
  padding: 14px 16px;
  border-radius: var(--radius);
  margin-bottom: 28px;
}
.notice strong { color: var(--amber); }

/* ------------------------------- Scan form -------------------------------- */

.scan-form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 28px;
}

.input-row {
  display: flex;
  gap: 10px;
}

#domain {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  padding: 13px 14px;
  border-radius: 8px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
#domain::placeholder { color: #4c5c6b; }
#domain:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(79,209,197,0.15);
}

#scan-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--teal);
  color: #06201d;
  border: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 0 22px;
  border-radius: 8px;
  cursor: pointer;
  transition: filter .15s ease, transform .1s ease;
  min-width: 150px;
}
#scan-btn:hover { filter: brightness(1.08); }
#scan-btn:active { transform: translateY(1px); }
#scan-btn:disabled { opacity: .7; cursor: progress; }

.btn-spinner {
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(6,32,29,0.3);
  border-top-color: #06201d;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.confirm-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted-2);
  cursor: pointer;
}
.confirm-row input { accent-color: var(--teal); }

.advanced-box {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.advanced-box summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted-2);
}
.advanced-box[open] summary { color: var(--text); margin-bottom: 10px; }

.advanced-note {
  font-size: 12.5px;
  color: var(--muted-2);
  line-height: 1.6;
  margin: 8px 0 14px;
}

.adv-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
.adv-field label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #506274;
}
.adv-field input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 9px 11px;
  border-radius: 6px;
  outline: none;
}
.adv-field input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(79,209,197,0.12);
}
.adv-hint {
  font-size: 11.5px;
  color: #506274;
}

/* -------------------------------- Progress -------------------------------- */

.progress {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 24px;
}
.progress h2, .results h2 {
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 12px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.progress-list {
  list-style: none;
  margin: 0; padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
}
.progress-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  color: var(--muted-2);
  border-bottom: 1px dashed var(--border);
}
.progress-list li:last-child { border-bottom: none; }
.progress-list .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(79,209,197,0.7);
}
.progress-list .txt { color: var(--text); }
.progress-list .detail { color: var(--muted-2); margin-left: auto; text-align: right; }

/* -------------------------------- Results ---------------------------------- */

.results { margin-top: 8px; }

.summary {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--muted-2);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 20px;
  line-height: 1.7;
}
.summary b { color: var(--text); }
.summary .flag-exposed { color: var(--amber); font-weight: 600; }
.summary .flag-safe { color: var(--teal); font-weight: 600; }

.results h3 {
  font-family: var(--font-display);
  font-size: 15px;
  margin: 22px 0 10px;
  color: var(--text);
}

.candidate-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}
.card.exposed { border-left-color: var(--amber); }
.card.shielded { border-left-color: var(--teal); opacity: 0.75; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.card-ip {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 999px;
}
.tag.exposed { color: var(--amber); background: var(--amber-dim); border: 1px solid rgba(255,157,82,0.4); }
.tag.shielded { color: var(--teal); background: var(--teal-dim); border: 1px solid rgba(79,209,197,0.35); }

.card-meta {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--muted-2);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.card-meta .label { color: #506274; margin-right: 6px; }
.card-meta code {
  font-family: var(--font-mono);
  background: var(--panel-2);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
}

.empty-note {
  font-size: 13.5px;
  color: var(--muted-2);
  font-style: italic;
  padding: 10px 2px;
}

/* -------------------------------- Details/raw ------------------------------ */

.raw-details {
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 16px;
}
.raw-details summary {
  cursor: pointer;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted-2);
}
.raw-details[open] summary { color: var(--text); }
.raw-details .candidate-list,
.raw-details .subdomain-list { padding-bottom: 14px; }

.subdomain-list {
  font-family: var(--font-mono);
  font-size: 12.5px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
}
.subdomain-list .sub-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px dashed var(--border);
  padding: 5px 0;
  color: var(--muted-2);
}
.subdomain-list .sub-row b { color: var(--text); font-weight: 500; }

/* --------------------------------- Error ----------------------------------- */

.error-box {
  background: rgba(255,107,107,0.08);
  border: 1px solid rgba(255,107,107,0.4);
  color: var(--red);
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  margin-bottom: 24px;
}

/* --------------------------------- Footer ----------------------------------- */

.footer {
  margin-top: 40px;
  font-size: 12px;
  color: #445260;
  text-align: center;
  line-height: 1.6;
}

/* --------------------------------- Responsive ------------------------------- */

@media (max-width: 560px) {
  .hero h1 { font-size: 30px; }
  .input-row { flex-direction: column; }
  #scan-btn { width: 100%; }
  .subdomain-list { grid-template-columns: 1fr; }
}

/* ------------------------------ Reduced motion ------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .btn-spinner { animation: none; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}