:root {
  --bg: #0f1419;
  --bg2: #171e26;
  --card: #1c2530;
  --line: #2a3644;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9a7a;
  --accent2: #2f7d63;
  --danger: #c45c5c;
  --warn: #c9a227;
  --ok: #3d9a7a;
  --radius: 14px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a3a32 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #243044 0%, transparent 50%),
    var(--bg);
}

.hidden { display: none !important; }
.brand {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}
h1 { margin: 0.2rem 0 0; font-size: 1.55rem; font-weight: 600; }
h2 { margin: 0 0 0.75rem; font-size: 1.05rem; font-weight: 600; }
.muted { color: var(--muted); margin: 0.35rem 0 1rem; }
.hint { color: var(--muted); font-size: 0.85rem; margin-top: 0.75rem; }
.error { color: #ff8f8f; min-height: 1.2em; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card, .card {
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  backdrop-filter: blur(8px);
}
.login-card { width: min(400px, 100%); }
.login-card h1 { margin-bottom: 0.25rem; }

label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.85rem 0 0.35rem;
}
input, textarea, select, button {
  font: inherit;
  color: var(--text);
}
input, textarea, select {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}
textarea { resize: vertical; font-family: var(--mono); font-size: 0.85rem; }
button {
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #04120c;
  font-weight: 600;
  padding: 0.65rem 1rem;
  cursor: pointer;
}
button:hover { background: var(--accent2); color: #fff; }
button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
button.danger { background: var(--danger); color: #fff; }
.check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0;
  color: var(--text);
}
.check input { width: auto; }

.app { max-width: 1100px; margin: 0 auto; padding: 1.25rem 1.25rem 3rem; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.top-actions { display: flex; gap: 0.6rem; align-items: center; }
.badge {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg2);
}
.badge.ok { border-color: var(--ok); color: #8fe0c4; }
.badge.warn { border-color: var(--warn); color: #f0d78a; }
.badge.bad { border-color: var(--danger); color: #ffb0b0; }

.tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.tab {
  background: var(--bg2);
  color: var(--muted);
  border: 1px solid var(--line);
}
.tab.active {
  background: color-mix(in srgb, var(--accent) 25%, var(--bg2));
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
}
.panel > .card { margin-bottom: 1rem; }
.row { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; margin-top: 0.85rem; }
.row.between { justify-content: space-between; }
.row.wrap input, .row.wrap select { width: auto; min-width: 160px; flex: 1; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
}
.form-grid .span-2 { grid-column: 1 / -1; }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: auto; }
}

.qr-card #qr-box {
  min-height: 280px;
  display: grid;
  place-items: center;
  background: var(--bg);
  border-radius: 12px;
  border: 1px dashed var(--line);
  padding: 1rem;
}
.qr-card img {
  width: min(280px, 100%);
  border-radius: 8px;
  background: #fff;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td {
  text-align: left;
  padding: 0.65rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

.logs { display: flex; flex-direction: column; gap: 0.5rem; max-height: 70vh; overflow: auto; }
.log-item {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font-size: 0.88rem;
}
.log-item .meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.log-pre {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
  min-height: 4rem;
}