:root {
  --ground: #080b14;
  --panel: #0d1220;
  --panel-2: #101728;
  --hair: #1c2536;
  --hair-2: #28344b;
  --ink: #e7ecf7;
  --ink-2: #9aa7c2;
  --blue: #3aa0ff;
  --blue-dim: #2b7fdb;
  --green: #58c98b;
  --orange: #f5b53f;
  --red: #ff4d5e;
  --f-head: "Plus Jakarta Sans", system-ui, sans-serif;
  --f-body: "Work Sans", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { color-scheme: dark; }
body {
  margin: 0; background: var(--ground); color: var(--ink);
  font-family: var(--f-body); line-height: 1.5; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--f-head); margin: 0; }
h2 { font-size: 1.08rem; margin-bottom: 6px; }
.muted { color: var(--ink-2); }
.small { font-size: .82rem; font-weight: 400; }
.error { color: var(--red); font-size: .9rem; margin: 0; min-height: 1.2em; }
.wrap { max-width: 980px; margin: 0 auto; padding: 22px 16px 60px; }

/* buttons + fields */
.btn {
  font: 600 .92rem var(--f-head); padding: 10px 18px; border-radius: 8px; border: 1px solid transparent;
  cursor: pointer; color: var(--ink); background: transparent; white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--blue); color: #071019; }
.btn-primary:hover:not(:disabled) { background: var(--blue-dim); }
.btn-ghost { border-color: var(--hair-2); }
.btn-ghost:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.btn-danger { border-color: rgba(255,77,94,.45); color: var(--red); }
.btn-danger:hover:not(:disabled) { background: rgba(255,77,94,.1); }
.btn-danger.armed { background: var(--red); color: #1a0508; border-color: var(--red); }
.btn-ok { border-color: rgba(88,201,139,.45); color: var(--green); }
.btn-ok:hover:not(:disabled) { background: rgba(88,201,139,.1); }
.btn-sm { padding: 6px 12px; font-size: .82rem; }

label { display: block; font-size: .86rem; color: var(--ink-2); margin-top: 14px; }
input:not([type="checkbox"]), textarea {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px; font: 400 .95rem var(--f-body);
  color: var(--ink); background: var(--ground); border: 1px solid var(--hair-2); border-radius: 8px;
}
textarea { resize: vertical; }
input:focus-visible, textarea:focus-visible, .btn:focus-visible, .tab:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.inline { display: flex; gap: 8px; align-items: flex-end; }
.inline input { margin-top: 6px; }
.search { max-width: 240px; margin-top: 0; }
.check { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--ink); }
.check input { width: 16px; height: 16px; accent-color: var(--blue); }

.card { background: var(--panel); border: 1px solid var(--hair); border-radius: 14px; padding: 22px; margin-bottom: 18px; }
.row { display: flex; align-items: center; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.row.between { justify-content: space-between; margin-top: 0; }
.row.end { justify-content: flex-end; }
.row.checks { gap: 22px; }
.wrap-row { margin-bottom: 8px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 620px) { .grid2 { grid-template-columns: 1fr; } }

/* login */
.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; text-align: center; padding: 30px 28px; }
.login-card label { text-align: left; }
.login-card .logo { border-radius: 12px; margin-bottom: 10px; }
.login-card h1 { font-size: 1.5rem; }
.login-card .muted { margin: 4px 0 6px; }
.login-card .btn { width: 100%; margin-top: 12px; }
.login-card .error { margin-top: 12px; }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: rgba(8,11,20,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--hair); }
.top-inner { max-width: 980px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font: 800 1.05rem var(--f-head); }
.brand img { border-radius: 8px; }
.top-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.who { font-size: .85rem; color: var(--ink-2); margin-right: 4px; }
.who b { color: var(--ink); }
.tabs { max-width: 980px; margin: 0 auto; padding: 0 16px; display: flex; gap: 4px; }
.tab { font: 600 .9rem var(--f-head); padding: 10px 16px; background: none; border: 0; border-bottom: 2px solid transparent; color: var(--ink-2); cursor: pointer; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--blue); border-bottom-color: var(--blue); }

/* tables */
.table-wrap { overflow-x: auto; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { text-align: left; font: 500 .72rem var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); padding: 8px 10px; border-bottom: 1px solid var(--hair-2); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid var(--hair); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.actions { text-align: right; white-space: nowrap; }
td.actions .btn { margin-left: 6px; }
.mono { font-family: var(--f-mono); font-size: .86rem; }
.count { font: 600 .78rem var(--f-mono); color: var(--ink-2); background: var(--panel-2); border: 1px solid var(--hair); border-radius: 999px; padding: 1px 8px; margin-left: 6px; vertical-align: middle; }
.count:empty { display: none; }
.empty { padding: 10px 2px 2px; margin: 0; }
.badge { display: inline-block; font: 600 .74rem var(--f-mono); padding: 2px 9px; border-radius: 999px; border: 1px solid; }
.badge.ok { color: var(--green); border-color: rgba(88,201,139,.4); background: rgba(88,201,139,.08); }
.badge.bad { color: var(--red); border-color: rgba(255,77,94,.4); background: rgba(255,77,94,.08); }
tr.is-banned td:first-child { color: var(--ink-2); text-decoration: line-through; }
td input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--blue); cursor: pointer; }

/* freshly created codes */
.created { margin-top: 16px; padding: 14px; border: 1px solid rgba(58,160,255,.35); background: rgba(58,160,255,.06); border-radius: 10px; }
.created-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-top: 1px solid var(--hair); }
.created-row:first-of-type { border-top: 0; }
.created-code { font: 700 1.05rem var(--f-mono); letter-spacing: .12em; color: var(--blue); }

/* toast + dialog */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; z-index: 60;
  background: var(--panel-2); border: 1px solid var(--hair-2); padding: 10px 18px; border-radius: 10px; font-size: .9rem; transition: .2s; max-width: 90vw; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.bad { border-color: var(--red); color: var(--red); }
dialog { background: var(--panel); color: var(--ink); border: 1px solid var(--hair-2); border-radius: 14px; padding: 0; width: min(420px, 92vw); }
dialog::backdrop { background: rgba(3,5,10,.7); }
.dlg-form { padding: 22px; }