:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1419;
  --fg: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9cf0;
  --accent-2: #7dd3a8;
  --warn: #e8b86d;
  --bad: #ef7a7a;
  --line: rgba(232, 238, 244, .12);
  --card: rgba(255, 255, 255, .035);
  --input: rgba(0, 0, 0, .25);
  --th: #121820;
  --btn-ink: #061018;
  --glow-1: rgba(61, 156, 240, .2);
  --glow-2: rgba(61, 156, 240, .08);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f6fa;
  --fg: #14202b;
  --muted: #5b6b7c;
  --accent: #2176c7;
  --accent-2: #1f8a5b;
  --warn: #b07912;
  --bad: #c44747;
  --line: rgba(20, 32, 43, .12);
  --card: rgba(255, 255, 255, .82);
  --input: #fff;
  --th: #eef3f8;
  --btn-ink: #fff;
  --glow-1: rgba(33, 118, 199, .16);
  --glow-2: rgba(31, 138, 91, .08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--fg);
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(900px 500px at 12% -12%, var(--glow-1), transparent 58%),
    radial-gradient(700px 420px at 92% 0%, var(--glow-2), transparent 52%),
    var(--bg);
}

body { padding: 20px; }

.hidden { display: none !important; }

.wrap { width: min(1120px, 100%); margin: 0 auto; }

.login-wrap {
  min-height: calc(100vh - 40px);
  display: grid;
  place-items: center;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  backdrop-filter: blur(10px);
}

.login-card { width: min(420px, 100%); padding: 28px 24px; }

.brand {
  margin: 0 0 8px;
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

h1 { margin: 0 0 8px; font-size: 1.7rem; }
.sub { margin: 0 0 18px; color: var(--muted); line-height: 1.5; }

label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 6px; }

input[type="password"],
input[type="text"],
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--fg);
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
}

textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.45;
}

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  background: var(--accent);
  color: var(--btn-ink);
}

.btn:disabled { opacity: .5; cursor: default; }

.btn.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
}

label.btn {
  display: inline-flex;
  align-items: center;
}

.btn.good { background: var(--accent-2); color: var(--btn-ink); }
.btn.danger { background: var(--bad); color: #fff; }

.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.balance {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: .92rem;
}

.balance b { color: var(--fg); font-size: 1.15rem; }

.panel { padding: 20px; display: grid; gap: 16px; }

.grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
}

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .top { flex-direction: column; }
  .balance { text-align: left; }
}

.box { padding: 16px; }

.hint { color: var(--muted); font-size: .88rem; line-height: 1.45; margin: 8px 0 0; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 9px;
  font-size: .8rem;
  cursor: pointer;
}

.chip.on {
  color: var(--btn-ink);
  background: var(--accent);
  border-color: transparent;
}

.stats { display: flex; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .9rem; }
.stats b { color: var(--fg); }

.table-wrap { overflow: auto; max-height: 520px; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--th); }

.status { font-weight: 700; }
.status.available { color: var(--accent-2); }
.status.unavailable { color: var(--muted); }
.status.error { color: var(--bad); }

.premium { color: var(--warn); font-size: .78rem; font-weight: 700; }

.err { color: var(--bad); font-size: .9rem; margin-top: 8px; }
.ok { color: var(--accent-2); font-size: .9rem; margin-top: 8px; }

.modal-back {
  position: fixed;
  inset: 0;
  background: rgba(6,10,16,.62);
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal { width: min(480px, 100%); padding: 20px; }
.modal h2 { margin: 0 0 8px; font-size: 1.2rem; }

.settings-panel { margin-bottom: 16px; }
.settings-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.settings-head h2 {
  margin: 0 0 4px;
  font-size: 1.15rem;
}
.settings-label {
  margin: 0 0 8px;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}
.settings-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.settings-form label {
  display: block;
  font-size: .9rem;
  color: var(--muted);
}
.settings-form input[type="text"],
.settings-form input[type="password"] {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--input);
  color: var(--fg);
  padding: 10px 12px;
}
.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: .9rem;
}
@media (max-width: 720px) {
  .settings-grid { grid-template-columns: 1fr; }
}