/* ---------- base ---------- */
:root {
  --bg: #0b0d12;
  --panel: #131722;
  --panel2: #1a2030;
  --line: #242c3f;
  --ink: #e8ecf4;
  --muted: #8a93a6;
  --accent: #4f8cff;
  --accent2: #6fa6ff;
  --green: #35d07f;
  --red: #ff5c6c;
  --amber: #ffb454;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; background: var(--panel2); padding: 1px 5px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
.top { border-bottom: 1px solid var(--line); background: rgba(19,23,34,0.6); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 10; }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.brand span { color: var(--accent); }
nav { display: flex; gap: 18px; }
nav a { color: var(--muted); font-weight: 600; font-size: 14px; }
nav a.active { color: var(--ink); }
.muted-link:hover { color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding: 36px 0 8px; }
.hero h1 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 8px; letter-spacing: -0.03em; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p { color: var(--muted); margin: 0; max-width: 640px; }
.hero strong { color: var(--ink); }

/* ---------- panel ---------- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin: 22px 0; }
.lbl { display: block; font-weight: 600; font-size: 13px; color: var(--ink); margin-bottom: 8px; }
.hint { color: var(--muted); font-weight: 400; }
textarea, input[type="text"], input[type="password"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  padding: 12px 14px;
  font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  outline: none;
  transition: border-color .15s;
}
textarea:focus, input:focus { border-color: var(--accent); }
.row { display: flex; gap: 12px; align-items: flex-end; margin-top: 12px; }
.row .grow { flex: 1; }
.row input { margin: 0; }

/* ---------- actions ---------- */
.actions { display: flex; align-items: center; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--ink);
  border-radius: 10px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform .06s, background .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent2); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 7px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.count { color: var(--muted); font-size: 13px; font-weight: 600; }
.err { color: var(--red); font-size: 13px; margin: 10px 0 0; min-height: 0; }

/* ---------- results ---------- */
.results { margin: 18px 0 40px; }
.summary { margin: 0 0 14px; font-weight: 600; font-size: 14px; }
.summary b { color: var(--green); }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 760px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: var(--panel2); color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .04em; }
tbody tr:last-child td { border-bottom: none; }
td.mono { font-family: ui-monospace, Menlo, monospace; }
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-weight: 700; font-size: 12px; }
.badge.ok { background: rgba(53,208,127,.14); color: var(--green); }
.badge.dead { background: rgba(255,92,108,.14); color: var(--red); }
.copy { color: var(--accent); cursor: pointer; font-size: 12px; font-weight: 600; background: none; border: none; }
.copy:hover { text-decoration: underline; }

.export { margin-top: 14px; }

/* ---------- misc ---------- */
.hidden { display: none !important; }
.foot { margin-top: auto; border-top: 1px solid var(--line); padding: 18px 0; color: var(--muted); font-size: 13px; }

@media (max-width: 640px) {
  .row { flex-direction: column; align-items: stretch; }
  .panel { padding: 16px; }
}