:root {
    --bg: #0f1115;
    --panel: #171a21;
    --panel-2: #1e222b;
    --border: #2a2f3a;
    --text: #e7e9ee;
    --muted: #8b93a3;
    --accent: #5b8cff;
    --accent-2: #3f6fe6;
    --ok: #2fbf71;
    --warn: #e0a526;
    --danger: #e5484d;
    --radius: 10px;
    color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 1.2rem; }
h2 { font-size: 1.1rem; margin: 0 0 .8rem; }
h3 { margin: .4rem 0; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.main { padding-top: 28px; padding-bottom: 40px; min-height: calc(100vh - 140px); }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.center { text-align: center; }
.right { text-align: right; }
.mono { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; letter-spacing: .02em; }
.inline { display: inline; margin: 0; }

/* top bar */
.topbar { background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 58px; gap: 12px; }
.brand { color: var(--text); font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav a, .nav .linkish { color: var(--muted); }
.nav a.active, .nav a:hover, .nav .linkish:hover { color: var(--text); text-decoration: none; }
.nav a.btn { color: #fff; }
.linkish { background: none; border: 0; padding: 0; font: inherit; cursor: pointer; }
.subnav { border-top: 1px solid var(--border); background: var(--panel-2); }
.subnav .wrap { display: flex; gap: 20px; height: 42px; align-items: center; }
.subnav a { color: var(--muted); font-size: .92rem; }
.subnav a.active { color: var(--text); font-weight: 600; }

/* cards & layout */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.card.narrow { max-width: 420px; margin: 20px auto; }
.card.highlight { border-color: var(--accent); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: .8rem; }
.card-head h2 { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-2 > .card { margin-bottom: 0; }
.grid-2 + .card, .grid-2 { margin-bottom: 20px; }

/* forms */
label { display: block; margin-bottom: 14px; font-size: .9rem; color: var(--muted); }
label small { font-size: .78rem; }
input, select, textarea {
    display: block; width: 100%; margin-top: 5px;
    background: var(--bg); color: var(--text);
    border: 1px solid var(--border); border-radius: 8px;
    padding: 9px 11px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.btn {
    display: inline-block; background: var(--accent); color: #fff; border: 0;
    border-radius: 8px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--accent-2); text-decoration: none; }
.btn-block { width: 100%; margin-top: 6px; }
.btn-small { padding: 5px 10px; font-size: .82rem; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--panel-2); }
.btn-warn { background: transparent; color: var(--warn); border: 1px solid #5a4a1e; }
.btn-warn:hover { background: #2a2414; }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid #5a2326; }
.btn-danger:hover { background: #2a1517; }
.row-form { display: flex; gap: 10px; }
.row-form input { margin: 0; }
.gen-form { display: grid; grid-template-columns: 160px 110px 1fr 1fr auto; gap: 12px; align-items: end; }
.gen-form label { margin: 0; }
.filters { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.filters input, .filters select { width: auto; margin: 0; }
.filters input[name=q] { min-width: 240px; flex: 1; max-width: 360px; }
.push-right { margin-left: auto; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin: 0; }
.actions select { width: auto; margin: 0; padding: 4px 6px; font-size: .82rem; }
textarea.keys { resize: vertical; margin: 0 0 8px; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: var(--panel-2); }
.admin-table td { font-size: .9rem; }
.row-banned { opacity: .6; }

/* badges */
.badge { display: inline-block; font-size: .75rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; border: 1px solid; }
.badge-active { color: var(--ok); border-color: #1f5c3b; background: #12261b; }
.badge-unused { color: var(--accent); border-color: #2c3f6e; background: #141c30; }
.badge-expired { color: var(--warn); border-color: #5a4a1e; background: #2a2414; }
.badge-revoked { color: var(--danger); border-color: #5a2326; background: #2a1517; }
.badge-admin { color: #c59bff; border-color: #4b3570; background: #211830; }
.tag { font-size: .75rem; background: var(--panel-2); border: 1px solid var(--border); border-radius: 4px; padding: 1px 6px; }

/* alerts */
.alert { padding: 11px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid; }
.alert-success { background: #12261b; border-color: #1f5c3b; color: #9be3bd; }
.alert-error { background: #2a1517; border-color: #5a2326; color: #f5a9ab; }
.alert-info { background: #141c30; border-color: #2c3f6e; color: #aec4ff; }

/* dashboard */
.status-card .label { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }
.status-card .big { font-size: 1.8rem; font-weight: 700; margin: 4px 0; }
.status-card.ok { border-left: 4px solid var(--ok); }
.status-card.ok .big { color: var(--ok); }
.status-card.none { border-left: 4px solid var(--warn); }
.details { display: grid; grid-template-columns: 130px 1fr; gap: 8px; margin: 0; }
.details dt { color: var(--muted); }
.details dd { margin: 0; }

/* admin */
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; color: var(--text); }
.stat:hover { border-color: var(--accent); text-decoration: none; }
.stat .num { font-size: 1.7rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: .82rem; }
.log { list-style: none; padding: 0; margin: 0; max-height: 420px; overflow-y: auto; }
.log li { padding: 7px 0; border-bottom: 1px solid var(--border); font-size: .88rem; }
.pager { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.pager a { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; color: var(--muted); }
.pager a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* landing */
.hero { text-align: center; padding: 50px 0 30px; }
.hero h1 { font-size: 2.4rem; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 560px; margin: 0 auto 26px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.step span { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; }
.step p { color: var(--muted); margin: 0; }

/* email confirmation */
.text { color: var(--text); }
.link { color: var(--accent); cursor: pointer; }
.linkish.link:disabled { color: var(--muted); cursor: default; }
.code-input { font-size: 1.6rem; text-align: center; letter-spacing: .4em; padding: 12px; }
.verify-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; margin-top: 16px; font-size: .9rem; }
.inline-details summary { list-style: none; }
.inline-details summary::-webkit-details-marker { display: none; }
.inline-details[open] { flex-basis: 100%; }
.inline-details .row-form { margin-top: 10px; }

.footer { color: var(--muted); font-size: .82rem; padding-top: 20px; padding-bottom: 30px; border-top: 1px solid var(--border); }

@media (max-width: 900px) {
    .stats { grid-template-columns: repeat(3, 1fr); }
    .gen-form { grid-template-columns: 1fr 1fr; }
    .gen-form .btn { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
    .grid-2, .steps { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .row-form { flex-direction: column; }
    .gen-form { grid-template-columns: 1fr; }
    .filters input[name=q] { min-width: 0; max-width: none; width: 100%; }
    .nav { gap: 12px; font-size: .9rem; }
    .hero h1 { font-size: 1.8rem; }
}