:root {
  --bg: #0a0f0e;
  --bg2: #0f1614;
  --card: #121a18;
  --card2: #16201d;
  --border: #1f2c28;
  --text: #e2e8e5;
  --muted: #74867f;
  --accent: #2dd4bf;
  --accent-dim: #123630;
  --danger: #f87171;
  --warn: #fbbf24;
  --info: #60a5fa;
  --ok: #34d399;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Inter, sans-serif;
  font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
button, input, select { font-family: inherit; font-size: 16px; }
button { cursor: pointer; }
h2 { font-size: 14px; font-weight: 600; margin: 0 0 12px; letter-spacing: .2px;
     display: flex; align-items: center; gap: 8px; }

/* mono */
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }

/* login */
.login {
  min-height: 100vh; min-height: 100dvh; display: flex; align-items: center;
  justify-content: center; padding: 20px;
  background: radial-gradient(120% 80% at 50% 0%, #11231e, var(--bg));
}
.login-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  padding: 28px 24px; width: 100%; max-width: 340px; display: flex;
  flex-direction: column; gap: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.login-card .brand { font-size: 22px; font-weight: 600; }
.login-card input {
  background: var(--bg2); border: 1px solid var(--border); color: var(--text);
  border-radius: 12px; padding: 13px 15px; outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.error { color: var(--danger); font-size: 13px; min-height: 16px; }

/* brand / topbar */
.brand { font-weight: 600; letter-spacing: .3px; }
.logo { color: var(--accent); }
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center;
  justify-content: space-between; padding: 14px 16px;
  padding-top: max(14px, env(safe-area-inset-top));
  background: rgba(10,15,14,.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.ghost {
  background: transparent; border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 8px 14px; font-size: 14px;
}
.ghost:active { background: var(--card); }

.container { max-width: 680px; margin: 0 auto; padding: 16px; }

/* composer */
.composer { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.composer > input, .composer select, .adv input {
  width: 100%; background: var(--card); border: 1px solid var(--border);
  color: var(--text); border-radius: 12px; padding: 13px 15px; outline: none;
}
.composer > input:focus, .adv input:focus { border-color: var(--accent); }
.composer-row { display: flex; gap: 10px; }
.composer-row select { flex: 0 0 38%; }
#analyze {
  flex: 1; background: var(--accent); color: #04231e; border: none;
  border-radius: 12px; padding: 13px 16px; font-weight: 700;
}
#analyze:active { filter: brightness(.92); }
.adv summary {
  color: var(--muted); font-size: 13px; cursor: pointer; padding: 4px 2px;
  list-style: none;
}
.adv summary::-webkit-details-marker { display: none; }
.adv summary::before { content: "⌄ "; }
.adv[open] summary::before { content: "⌃ "; }
.adv input { margin-top: 8px; }

/* stat tiles */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 18px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 12px 8px; text-align: center;
}
.stat .num { font-size: 22px; font-weight: 700; color: var(--accent); line-height: 1.1; }
.stat .lbl { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* blocks */
.block {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 16px; margin-bottom: 14px;
}
.badge {
  background: var(--accent-dim); color: var(--accent); border-radius: 999px;
  padding: 1px 9px; font-size: 12px; font-weight: 600;
}
.details > summary {
  list-style: none; cursor: pointer; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.details > summary::-webkit-details-marker { display: none; }
.details > summary::after { content: "⌄"; margin-left: auto; color: var(--muted); }
.details[open] > summary::after { content: "⌃"; }
.details[open] > summary { margin-bottom: 12px; }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 4px 10px; font-size: 13px;
}
.chip.mono { font-size: 12px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; flex: none; }

/* key-value */
.kv { display: flex; flex-direction: column; gap: 10px; }
.kv .row { display: flex; flex-direction: column; gap: 5px; }
.kv .k { color: var(--muted); font-size: 12px; }
.kv .v { word-break: break-word; }

/* tree */
.tree { display: flex; flex-direction: column; gap: 14px; }
.proto-group { }
.proto-head {
  display: inline-flex; align-items: center; gap: 7px; background: var(--accent-dim);
  color: var(--accent); border-radius: 999px; padding: 4px 12px; font-weight: 600;
  font-size: 13px; margin-bottom: 10px;
}
.srv {
  border: 1px solid var(--border); background: var(--bg2); border-radius: 12px;
  padding: 11px 12px; margin-bottom: 8px;
}
.srv:last-child { margin-bottom: 0; }
.srv-host { font-size: 13px; word-break: break-all; }
.srv-host .name { color: var(--muted); font-size: 12px; }
.srv-meta { display: flex; flex-wrap: wrap; gap: 5px; margin: 7px 0; }
.tag {
  font-size: 11px; padding: 1px 7px; border-radius: 6px; background: var(--card2);
  border: 1px solid var(--border); color: var(--muted);
}
.ip-list { display: flex; flex-direction: column; gap: 5px; }
.ip-pill {
  display: flex; align-items: center; gap: 4px; background: var(--card);
  border: 1px solid var(--border); border-radius: 9px; padding: 6px 10px; font-size: 12px;
}
.ip-pill .ip { font-family: ui-monospace, monospace; }
.ip-pill .meta { color: var(--muted); margin-left: auto; text-align: right; font-size: 11px; }
.ip-none { color: var(--muted); font-size: 12px; }

/* full ip list */
.ip-list-full { display: flex; flex-direction: column; margin-top: 12px; }
.ip-row {
  display: flex; align-items: center; gap: 8px; padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.ip-row:last-child { border-bottom: none; }
.ip-row .ip { font-family: ui-monospace, monospace; font-size: 13px; }
.ip-row .right { margin-left: auto; text-align: right; }
.ip-row .asn { color: var(--accent); font-family: ui-monospace, monospace; font-size: 11px; }
.ip-row .org { color: var(--muted); font-size: 11px; }

/* risks */
.risk { display: flex; gap: 10px; padding: 11px 12px; border-radius: 12px; margin-bottom: 8px;
        border: 1px solid var(--border); background: var(--bg2); font-size: 13px; }
.risk:last-child { margin-bottom: 0; }
.risk.ok { border-color: #1c3a30; background: #0e1d18; }
.risk.danger { border-color: #3a1f1f; }
.risk.warn { border-color: #3a341c; }
.risk.info { border-color: #1c2c3a; }
.risk .ico { font-weight: 700; flex: none; }
.risk.ok .ico { color: var(--ok); }
.risk.danger .ico { color: var(--danger); }
.risk.warn .ico { color: var(--warn); }
.risk.info .ico { color: var(--info); }

/* status */
.status { padding: 22px 14px; text-align: center; color: var(--muted); font-size: 14px; }
.spinner {
  display: inline-block; width: 16px; height: 16px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite;
  vertical-align: middle; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.preview {
  text-align: left; margin: 12px 0 0; padding: 10px; background: var(--bg2);
  border: 1px solid var(--border); border-radius: 10px; font-size: 11px;
  white-space: pre-wrap; word-break: break-all; color: var(--muted);
}
.hint { color: var(--warn); font-size: 13px; margin-top: 8px; }
.footer { text-align: center; color: var(--muted); padding: 24px;
          padding-bottom: max(24px, env(safe-area-inset-bottom)); font-size: 12px; }