:root {
  --bg: #0b0e14;
  --panel: #141925;
  --panel-2: #1b2231;
  --line: #28324a;
  --text: #e6eaf2;
  --muted: #8a94a8;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --danger: #f87171;
  --ok: #4ade80;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #182033 0%, var(--bg) 55%);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
.dot { color: var(--accent); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; }
.login-card { width: 340px; text-align: center; }
.login-card h1 { margin: 0 0 4px; font-size: 26px; letter-spacing: -0.5px; }
.login-card input { margin: 18px 0 12px; text-align: center; }

/* layout */
header {
  display: flex; align-items: center; gap: 20px;
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  background: rgba(20,25,37,0.6); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.3px; }
nav { display: flex; gap: 6px; margin-left: 12px; }
header #logout { margin-left: auto; }
main { max-width: 860px; margin: 0 auto; padding: 26px 18px 80px; }

/* cards */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; margin-bottom: 20px;
}
.card h2 { margin: 0 0 4px; font-size: 18px; }
.card-head { display: flex; align-items: center; justify-content: space-between; }

/* tabs */
.tab {
  background: transparent; border: none; color: var(--muted);
  padding: 7px 13px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.tab:hover { color: var(--text); background: var(--panel-2); }
.tab.active { color: var(--bg); background: var(--accent); font-weight: 600; }

/* forms */
form { margin-top: 14px; }
label { display: block; margin: 14px 0 0; font-size: 13px; color: var(--muted); }
label small { color: #5f697d; font-weight: 400; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
input, textarea, button {
  font: inherit; width: 100%;
}
input, textarea {
  margin-top: 6px; background: var(--bg); border: 1px solid var(--line);
  color: var(--text); border-radius: 8px; padding: 10px 12px; outline: none;
}
input:focus, textarea:focus { border-color: var(--accent-2); }
textarea { font-family: var(--mono); font-size: 13px; resize: vertical; }
.suffixed { display: flex; align-items: stretch; margin-top: 6px; }
.suffixed input { margin: 0; border-radius: 8px 0 0 8px; }
.suffix {
  display: flex; align-items: center; padding: 0 12px; font-size: 13px; color: var(--muted);
  background: var(--panel-2); border: 1px solid var(--line); border-left: none; border-radius: 0 8px 8px 0;
}

button {
  cursor: pointer; border: none; border-radius: 9px; padding: 11px 16px;
  background: var(--accent); color: #06231f; font-weight: 600; margin-top: 18px;
  transition: filter .15s, opacity .15s;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: progress; }
button.ghost {
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  padding: 7px 13px; margin: 0; font-weight: 500;
}
button.ghost:hover { color: var(--text); border-color: var(--muted); }
button.danger { background: transparent; border: 1px solid #5a2730; color: var(--danger); margin: 0; padding: 7px 12px; }
button.danger:hover { background: #2a161a; }

/* source segmented control */
.source { margin-top: 8px; }
.seg { display: inline-flex; background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 3px; gap: 3px; }
.segbtn { background: transparent; color: var(--muted); margin: 0; padding: 6px 12px; border-radius: 6px; font-weight: 500; }
.segbtn.active { background: var(--panel-2); color: var(--text); }
.src-upload, .src-paste, .src-none { margin-top: 12px; }
.src-paste input { margin-bottom: 8px; }

/* results */
.result { margin-top: 16px; }
.result .ok-box, .result .err-box {
  border-radius: 9px; padding: 14px 16px; font-size: 14px;
}
.ok-box { background: rgba(74,222,128,0.08); border: 1px solid #1f4d34; }
.err-box { background: rgba(248,113,113,0.07); border: 1px solid #5a2730; color: #fca5a5; white-space: pre-wrap; font-family: var(--mono); font-size: 13px; }
.ok-box a { color: var(--accent); text-decoration: none; font-family: var(--mono); }
.ok-box a:hover { text-decoration: underline; }
.err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 8px; }

/* lists */
.list { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.item {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
}
.item .meta { flex: 1; min-width: 0; }
.item .name { font-weight: 600; }
.item .sub { font-family: var(--mono); font-size: 12px; color: var(--muted); word-break: break-all; }
.item .actions { display: flex; gap: 8px; flex-shrink: 0; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 20px; font-family: var(--mono); }
.badge.online { background: rgba(74,222,128,0.12); color: var(--ok); }
.badge.off { background: rgba(248,113,113,0.12); color: var(--danger); }
.empty { color: var(--muted); font-size: 14px; padding: 8px 2px; }

/* toast + modal */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 12px 18px; border-radius: 10px; z-index: 50; max-width: 90vw;
}
.toast.bad { border-color: #5a2730; color: #fca5a5; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: grid; place-items: center; z-index: 40; }
.modal-card { width: min(820px, 92vw); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.logs { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 14px; max-height: 60vh; overflow: auto; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } nav { display: none; } }