:root {
  --bg: #0a0f1e;
  --panel: #111827;
  --card: #0d1424;
  --card-hover: #121c30;
  --text: #e2e8f0;
  --muted: #64748b;
  --accent: #38bdf8;
  --accent2: #818cf8;
  --border: #1e293b;
  --border-light: #243044;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  padding: 18px 28px 0;
  background: rgba(10,15,30,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.back-home-link {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 6px 12px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.back-home-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0284c7, #0369a1);
  display: grid;
  place-items: center;
  font-weight: 800;
}

h1 { font-size: 1.45rem; font-weight: 700; line-height: 1.1; }
h1 span { color: var(--accent); }
.subtitle { font-size: 0.78rem; color: var(--muted); margin-top: 3px; }

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto auto;
  gap: 8px;
  align-items: center;
  padding-bottom: 12px;
}

#domainInput {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.9rem;
  outline: none;
}
#domainInput:focus { border-color: var(--accent); }

button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: #334155; background: #1a2540; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

#analyzeBtn { background: linear-gradient(135deg, #0284c7, #0369a1); border: none; color: #fff; }
button.secondary { background: transparent; }
#statusText { font-size: 0.82rem; color: var(--muted); white-space: nowrap; }

#progressWrap { height: 4px; background: rgba(255,255,255,0.06); overflow: hidden; }
#progressBar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.3s ease;
}

main { padding: 24px 28px 64px; max-width: 1100px; margin: 0 auto; }

.intro-card {
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--accent);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 20px;
}
.intro-card h2 { font-size: 1rem; color: var(--accent); margin-bottom: 8px; }
.intro-card p { font-size: 0.88rem; line-height: 1.6; color: var(--muted); }
.intro-card .note { margin-top: 10px; color: #93c5fd; }

.result-panel {
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 20px;
}

.verdict-row {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.result-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  margin-bottom: 4px;
}

.result-verdict { font-size: 1.9rem; font-weight: 800; }
.result-score { font-family: Consolas, "Courier New", monospace; font-size: 0.85rem; color: var(--muted); margin-top: 5px; }

.risk-ring-wrap { position: relative; width: 120px; height: 120px; }
.risk-ring { width: 120px; height: 120px; transform: rotate(-90deg); }
.ring-track {
  fill: none;
  stroke: rgba(255,255,255,0.12);
  stroke-width: 10;
}
.ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 314;
  stroke-dashoffset: 314;
  transition: stroke-dashoffset 0.6s ease, stroke 0.4s ease;
}
.risk-ring-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
}
.risk-pct { font-size: 1.4rem; font-weight: 800; }
.risk-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; }

.risk-reasons {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.reason-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  padding: 10px 12px;
  font-size: 0.84rem;
  color: var(--muted);
}
.reason-item strong { color: var(--text); }
.reason-item.high { border-color: rgba(239,68,68,0.35); color: #fca5a5; }
.reason-item.medium { border-color: rgba(245,158,11,0.35); color: #fde68a; }
.reason-item.low { border-color: rgba(56,189,248,0.28); color: #7dd3fc; }

.section-heading {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  margin: 16px 0 10px;
  border-left: 2px solid var(--border-light);
  padding-left: 8px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.signal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
}
.signal-card h3 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}
.signal-card p {
  font-size: 0.88rem;
  word-break: break-word;
}

.raw-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.tab-btn {
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  border-radius: 0;
  padding: 8px 12px;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.raw-output {
  background: #050a14;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.75rem;
  line-height: 1.5;
  max-height: 420px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.error-banner {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(239,68,68,0.3);
  background: rgba(239,68,68,0.08);
  color: #fca5a5;
  font-size: 0.88rem;
}

footer {
  text-align: center;
  padding: 20px 28px 28px;
  color: var(--muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
  margin-top: 34px;
}

@media (max-width: 900px) {
  .toolbar {
    grid-template-columns: 1fr 1fr;
  }
  #statusText {
    grid-column: 1 / -1;
  }
  .verdict-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  header { padding: 16px 14px 0; }
  main { padding: 16px 14px 48px; }
  .toolbar { grid-template-columns: 1fr; }
}