:root {
  --bg: #0b1220;
  --bg-soft: #121a2b;
  --card: #162033;
  --line: rgba(255,255,255,.08);
  --text: #e8eefc;
  --muted: #93a0b8;
  --accent: #3dd6c6;
  --accent-2: #4f8cff;
  --danger: #ff6b7a;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 16px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61,214,198,.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(79,140,255,.16), transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 28px;
}
.brand {
  display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .02em;
}
.brand-badge {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #041018; font-weight: 800;
  box-shadow: 0 8px 24px rgba(61,214,198,.25);
}
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav a, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  color: var(--text); padding: 10px 14px; border-radius: 12px; cursor: pointer;
  font-weight: 600; text-decoration: none; transition: .15s ease;
}
.nav a:hover, .btn:hover { background: rgba(255,255,255,.07); text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2bb7a8);
  color: #041018; border: none;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-danger { background: rgba(255,107,122,.12); border-color: rgba(255,107,122,.35); color: #ffd0d5; }
.btn-ghost { background: transparent; }

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 40%), var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.card h1, .card h2 { margin: 0 0 8px; font-size: 1.25rem; }
.muted { color: var(--muted); font-size: .92rem; }

.stat { padding: 18px; }
.stat .label { color: var(--muted); font-size: .85rem; margin-bottom: 8px; }
.stat .value { font-size: 1.8rem; font-weight: 750; letter-spacing: -.02em; }

label { display: block; margin: 0 0 6px; color: var(--muted); font-size: .88rem; font-weight: 600; }
input, select, textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--text);
  outline: none; margin-bottom: 14px; font: inherit;
}
input:focus, select:focus, textarea:focus { border-color: rgba(61,214,198,.55); box-shadow: 0 0 0 3px rgba(61,214,198,.12); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.code-pill {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(61,214,198,.1); color: #9ff3e9; padding: 6px 10px; border-radius: 999px;
  border: 1px solid rgba(61,214,198,.25); font-weight: 700; letter-spacing: .06em;
}
.badge {
  display: inline-flex; padding: 4px 10px; border-radius: 999px; font-size: .78rem; font-weight: 700;
}
.badge-ok { background: rgba(62,207,142,.15); color: #8af0c0; }
.badge-warn { background: rgba(240,180,41,.15); color: #ffd97a; }
.badge-danger { background: rgba(255,107,122,.15); color: #ffb1ba; }

.alert {
  padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; font-weight: 600;
  border: 1px solid var(--line);
}
.alert-ok { background: rgba(62,207,142,.12); color: #b9f5d6; }
.alert-error { background: rgba(255,107,122,.12); color: #ffc2c9; }
.alert-info { background: rgba(79,140,255,.12); color: #c7daff; }

.login-page {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.login-card { width: min(420px, 100%); }
.login-card .brand { margin-bottom: 18px; justify-content: center; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }
.footer-note { margin-top: 28px; color: var(--muted); font-size: .85rem; text-align: center; }