:root {
  --bg: #0f1216;
  --panel: #171b21;
  --panel-2: #1d232b;
  --border: #2a313b;
  --text: #e7ecf2;
  --muted: #93a0b0;
  --accent: #4f8cff;
  --accent-2: #3a6fd6;
  --ok: #2ec27e;
  --warn: #e0a93b;
  --danger: #e5544b;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: var(--mono); }

/* ---- top bar ---- */
.topbar {
  display: flex; align-items: center; gap: 1.25rem;
  padding: .65rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: -.02em; font-size: 1.1rem; color: var(--text); }
.nav { display: flex; gap: 1rem; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }
.spacer { flex: 1; }
.who { color: var(--muted); font-size: .9rem; }

/* ---- layout ---- */
main { padding: 1.5rem; }
main.centered {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .5rem;
}
main.centered .flashes { width: 100%; max-width: 380px; }
.page { max-width: 960px; margin: 0 auto; }
.page h1 { margin: 0 0 .25rem; letter-spacing: -.02em; }

/* ---- cards ---- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1.25rem;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; }
.card h2 { margin: 0 0 .5rem; font-size: 1.05rem; }
.placeholder { border-style: dashed; }

.auth-card { width: 100%; max-width: 380px; }
.auth-head { text-align: center; margin-bottom: 1.25rem; }
.logo { margin: 0; font-size: 2rem; letter-spacing: -.04em; }

/* ---- forms ---- */
label { display: block; font-size: .85rem; color: var(--muted); margin: .85rem 0 .3rem; }
.input {
  width: 100%; padding: .6rem .7rem;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: .95rem;
}
.input:focus { outline: none; border-color: var(--accent); }
.code-input { font-family: var(--mono); letter-spacing: .3em; text-align: center; font-size: 1.2rem; }

.pw-wrap { position: relative; }
.pw-toggle {
  position: absolute; right: .5rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--muted); cursor: pointer; font-size: .8rem;
}

.btn {
  display: inline-block; padding: .6rem 1rem; border-radius: 8px;
  border: 1px solid transparent; font-size: .95rem; cursor: pointer; text-align: center;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent-2); }
.btn-primary:hover { background: var(--accent-2); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); text-decoration: none; }
.btn-block { width: 100%; margin-top: 1.1rem; }
.row2 { display: flex; gap: .75rem; align-items: flex-end; }
.linkbtn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: .85rem; padding: 0; }
.linkbtn:hover { color: var(--text); text-decoration: underline; }
.linkbtn.danger { color: var(--danger); }
.radio { display: flex; gap: .6rem; align-items: flex-start; margin: .6rem 0; cursor: pointer; }
.radio input { margin-top: .3rem; }
.radio span { color: var(--text); }
.logbox { background: #0b0e12; border: 1px solid var(--border); border-radius: 8px;
          padding: .9rem; max-height: 460px; overflow-y: auto; font-family: var(--mono);
          font-size: .8rem; line-height: 1.45; white-space: pre-wrap; word-break: break-word;
          color: #c7d2de; margin: 0; }
.hint { text-align: center; margin-top: 1rem; font-size: .82rem; }
.err { color: var(--danger); font-size: .82rem; margin: .3rem 0 0; }

/* ---- 2FA ---- */
.qr-box { display: flex; justify-content: center; padding: 1rem; background: #fff; border-radius: 8px; }
.manual { margin: 1rem 0; }
.manual summary { cursor: pointer; color: var(--muted); font-size: .85rem; }
.secret { display: block; margin-top: .5rem; font-family: var(--mono); word-break: break-all;
          background: var(--panel-2); padding: .5rem; border-radius: 6px; }
.codes { list-style: none; padding: 0; margin: 1rem 0; display: grid;
         grid-template-columns: 1fr 1fr; gap: .4rem; }
.codes li { font-family: var(--mono); background: var(--panel-2); padding: .45rem .6rem;
            border-radius: 6px; text-align: center; letter-spacing: .08em; }
.visually-hidden { position: absolute; left: -9999px; }

/* ---- stats ---- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
             gap: 1rem; margin-top: 1.25rem; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
        padding: 1.1rem 1.25rem; }
.stat-num { font-size: 2rem; font-weight: 700; letter-spacing: -.02em; }
.stat-label { color: var(--muted); font-size: .85rem; }

/* ---- table ---- */
.table { width: 100%; border-collapse: collapse; margin-top: .5rem; }
.table th, .table td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.table tbody tr:hover { background: var(--panel-2); }

.badge { font-size: .75rem; padding: .15rem .5rem; border-radius: 999px; }
.badge-ok { background: rgba(46,194,126,.15); color: var(--ok); }
.badge-error { background: rgba(229,84,75,.15); color: var(--danger); }
.badge-denied { background: rgba(224,169,59,.15); color: var(--warn); }

/* ---- flashes ---- */
.flashes { max-width: 960px; margin: 0 auto; }
.flash { display: flex; justify-content: space-between; align-items: center;
         padding: .6rem .9rem; border-radius: 8px; margin-bottom: .6rem; border: 1px solid var(--border); }
.flash-danger { background: rgba(229,84,75,.12); border-color: rgba(229,84,75,.4); }
.flash-warning { background: rgba(224,169,59,.12); border-color: rgba(224,169,59,.4); }
.flash-info, .flash-success { background: rgba(79,140,255,.12); border-color: rgba(79,140,255,.4); }
.flash-x { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 1.1rem; }