:root {
  --bg: #0f141b;
  --panel: #171d26;
  --panel-2: #1d2531;
  --border: #2a3442;
  --text: #e6edf5;
  --muted: #93a0b1;
  --accent: #4aa3e8;
  --violet: #7a5cff;
  --success: #3ba55d;
  --warning: #f0a43c;
  --danger: #e55353;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(900px 500px at 80% -10%, rgba(122, 92, 255, .22), transparent 60%),
              radial-gradient(700px 400px at -10% 10%, rgba(74, 163, 232, .16), transparent 55%),
              var(--bg);
  color: var(--text);
  font: 14px/1.5 "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 28px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(140deg, #4aa3e8, #7a5cff);
  display: grid; place-items: center; font-weight: 800; color: #fff;
  box-shadow: 0 8px 24px rgba(74, 163, 232, .25);
}
.brand h1 { font-size: 16px; margin: 0; letter-spacing: .04em; }
.brand p { margin: 1px 0 0; color: var(--muted); font-size: 12px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 600;
  background: rgba(74, 163, 232, .14); color: var(--accent);
}
.badge.free { background: rgba(147, 160, 177, .14); color: var(--muted); }
.badge.paid { background: rgba(122, 92, 255, .16); color: #a99bff; }
.badge.expired { background: rgba(229, 83, 83, .15); color: var(--danger); }

main { max-width: 980px; margin: 0 auto; padding: 12px 24px 60px; }
main.wide { max-width: 1280px; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent), var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .28);
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

h2 { margin: 0 0 4px; font-size: 19px; }
h3 { margin: 0 0 10px; font-size: 14px; color: var(--muted); font-weight: 600; }
.sub { color: var(--muted); margin: 0 0 18px; font-size: 13px; }

label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 5px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--panel-2);
  color: var(--text); font: inherit; outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74, 163, 232, .14);
}
button {
  border: 0; border-radius: 9px; padding: 10px 16px;
  background: var(--accent); color: #04121c; font: inherit; font-weight: 700;
  cursor: pointer; transition: transform .04s ease, filter .15s ease;
}
button:hover { filter: brightness(1.06); }
button:active { transform: translateY(1px); }
button.ghost {
  background: transparent; color: var(--text); border: 1px solid var(--border);
}
button.violet { background: var(--violet); color: #fff; }
button.danger { background: rgba(229, 83, 83, .16); color: #ff8b8b; border: 1px solid rgba(229,83,83,.35); }
button.small { padding: 6px 10px; font-size: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.right { display: flex; justify-content: flex-end; }

.tabs { display: flex; gap: 6px; margin: 0 0 18px; flex-wrap: wrap; }
.tab {
  background: transparent; color: var(--muted); border: 1px solid transparent;
  padding: 8px 14px; border-radius: 9px; font-weight: 600;
}
.tab.active { background: rgba(74, 163, 232, .12); color: var(--accent); border-color: rgba(74,163,232,.25); }

.auth-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.auth-tab {
  background: none; color: var(--muted); border: 0; border-bottom: 2px solid transparent;
  border-radius: 0; padding: 10px 14px; font-weight: 600;
}
.auth-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.msg { display: none; margin: 14px 0 0; padding: 10px 12px; border-radius: 9px; font-size: 13px; }
.msg.show { display: block; }
.msg.error { background: rgba(229, 83, 83, .12); color: #ff9b9b; border: 1px solid rgba(229,83,83,.3); }
.msg.ok { background: rgba(59, 165, 93, .12); color: #8ee0a9; border: 1px solid rgba(59,165,93,.3); }

.hidden { display: none !important; }

.keybox {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel-2); border: 1px dashed var(--border);
  border-radius: 10px; padding: 14px 16px; margin: 12px 0 6px;
}
.keybox code {
  flex: 1; font-size: 20px; font-weight: 700; letter-spacing: .08em;
  color: #ffd479; font-family: Consolas, "Cascadia Mono", monospace;
}

.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 14px; margin-top: 14px; }
.kv dt { color: var(--muted); font-size: 12px; }
.kv dd { margin: 0; font-weight: 600; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.stat .num { font-size: 26px; font-weight: 800; }
.stat .lbl { color: var(--muted); font-size: 12px; }

.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: var(--panel-2); color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: rgba(255, 255, 255, .018); }
td .sub { margin: 0; font-size: 11px; }
td.actions { display: flex; gap: 6px; }

.modal {
  position: fixed; inset: 0; background: rgba(4, 8, 14, .68);
  display: none; place-items: center; padding: 20px; z-index: 20;
}
.modal.show { display: grid; }
.modal .card { width: min(520px, 100%); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

.footer { color: var(--muted); font-size: 12px; text-align: center; margin-top: 26px; }
.note { color: var(--muted); font-size: 12px; }