:root {
  --bg: #0f1115; --panel: #181b22; --panel2: #20242e; --text: #e7e9ee;
  --muted: #9aa3b2; --accent: #5b8cff; --accent2: #3f6fe0; --danger: #e0556b;
  --ok: #3fbf7f; --border: #2a2f3a; --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: radial-gradient(1200px 600px at 80% -10%, #1b2233 0%, var(--bg) 60%);
  color: var(--text); font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border); background: rgba(20,23,30,.7);
  backdrop-filter: blur(8px); position: sticky; top: 0;
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand span { color: var(--accent); }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
nav .who { color: var(--muted); }
.badge { background: var(--accent2); color: #fff; padding: 1px 7px; border-radius: 20px; font-size: .72rem; }
.inline { display: inline; margin: 0; }
button.link { background: none; border: none; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
main { flex: 1; width: 100%; max-width: 920px; margin: 0 auto; padding: 28px 18px; }
footer { text-align: center; color: var(--muted); padding: 22px; font-size: .85rem; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; margin-bottom: 22px; box-shadow: 0 6px 24px rgba(0,0,0,.25);
}
.card.narrow { max-width: 460px; margin-left: auto; margin-right: auto; }
h1 { margin: 0 0 14px; font-size: 1.5rem; }
h2 { margin: 0 0 12px; font-size: 1.2rem; }
.muted { color: var(--muted); }
label { display: block; margin: 12px 0; font-size: .92rem; color: var(--muted); }
input[type=text], input[type=password], input[type=email], input:not([type]) {
  width: 100%; margin-top: 6px; padding: 11px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel2); color: var(--text); font: inherit;
}
input:focus { outline: 2px solid var(--accent); border-color: transparent; }
button {
  background: var(--accent); color: #fff; border: none; padding: 11px 18px; border-radius: 10px;
  font: inherit; font-weight: 600; cursor: pointer; margin-top: 8px;
}
button:hover { background: var(--accent2); }
button.small { padding: 6px 11px; font-size: .82rem; margin: 3px 0; }
button.danger { background: var(--danger); }
.alert { background: rgba(224,85,107,.15); border: 1px solid var(--danger); color: #ffd7dd; padding: 11px 13px; border-radius: 10px; margin-bottom: 8px; }
.notice { background: rgba(63,191,127,.13); border: 1px solid var(--ok); color: #c7f5dd; padding: 11px 13px; border-radius: 10px; margin-bottom: 8px; }
.err { color: var(--danger); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; margin-top: 14px; }
.tile { background: var(--panel2); border: 1px solid var(--border); border-radius: 12px; padding: 18px; color: var(--text); transition: transform .08s, border-color .12s; }
.tile:hover { transform: translateY(-2px); border-color: var(--accent); text-decoration: none; }
.tile-icon { font-size: 1.8rem; }
.tile-title { font-weight: 700; margin-top: 8px; }
.tile-desc { color: var(--muted); font-size: .88rem; margin-top: 4px; }
table.users { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.users th, table.users td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0; }
.chip { display: inline-flex; align-items: center; gap: 5px; background: var(--panel2); border: 1px solid var(--border); border-radius: 20px; padding: 4px 10px; font-size: .8rem; color: var(--muted); margin: 0; }
.chip.on { border-color: var(--accent); color: var(--text); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
code { background: var(--panel2); padding: 2px 7px; border-radius: 6px; }
code.pw { font-size: 1.05rem; letter-spacing: .5px; color: var(--ok); }
fieldset { border: 1px solid var(--border); border-radius: 10px; margin: 12px 0; }
legend { color: var(--muted); padding: 0 6px; }