:root {
  --bg: #0a0c11;
  --panel: #121620;
  --panel-2: #171c29;
  --border: #242c3d;
  --text: #e7ebf3;
  --muted: #8b95a7;
  --accent: #6ee7b7;
  --accent-2: #7c9cff;
  --danger: #ff7b8a;
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(1200px 600px at 80% -10%, #16203a 0%, var(--bg) 55%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.brand {
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 22px;
}
.brand span { color: var(--accent); }
.brand.small { font-size: 15px; }

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(420px, 100%);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.login-card .muted { margin: 8px 0 24px; }
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
  margin: 22px 0 16px;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}
input, select, textarea {
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  background: #0d111a;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}
textarea {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  resize: vertical;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent-2); }
select.compact {
  width: auto;
  margin-top: 0;
  padding: 7px 9px;
  font-size: 12px;
}
.row-actions { margin-top: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, border-color 0.15s ease, background 0.15s ease;
}
.btn:hover { border-color: var(--accent-2); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn.primary {
  background: linear-gradient(180deg, #7ff0c2, #45cf9a);
  border-color: transparent;
  color: #05251a;
}
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 11px; font-size: 12px; }
.btn.full { width: 100%; margin-top: 6px; }
.btn.danger { color: var(--danger); border-color: rgba(255, 123, 138, 0.35); }

.app { min-height: 100vh; }
.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 26px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 17, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}
#tabs { display: flex; gap: 4px; flex-wrap: wrap; }
#tabs button {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 9px;
  cursor: pointer;
  font-size: 13px;
}
#tabs button:hover { color: var(--text); }
#tabs button.active {
  color: var(--text);
  background: var(--panel-2);
  border-color: var(--border);
}
.userbox {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
}
.pill {
  font-family: var(--mono);
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(110, 231, 183, 0.1);
  border: 1px solid rgba(110, 231, 183, 0.3);
  color: var(--accent);
}

main { max-width: 1160px; margin: 0 auto; padding: 26px 20px 60px; }
.tab { display: none; }
.tab.active { display: block; }

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.two.tight { gap: 10px; }

.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
  overflow: hidden;
}
.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.card-head h2 { margin: 0; font-size: 15px; letter-spacing: 0.02em; }

.balance-card .label, .label { color: var(--muted); font-size: 12px; }
.balance {
  font-family: var(--mono);
  font-size: 42px;
  font-weight: 700;
  margin: 10px 0 4px;
  color: var(--accent);
}
.balance small { font-size: 16px; color: var(--muted); }
.actions { display: flex; gap: 10px; margin-top: 20px; }

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}
.stat-row:last-child { border-bottom: 0; }
.stat-row strong { font-family: var(--mono); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
td { padding: 11px 10px; border-bottom: 1px solid rgba(36, 44, 61, 0.6); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
.empty { color: var(--muted); text-align: center; padding: 24px; }

.inline-form { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.inline-form input { margin-top: 0; }
.secret {
  margin: 12px 0;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(110, 231, 183, 0.35);
  background: rgba(110, 231, 183, 0.08);
  font-family: var(--mono);
  word-break: break-all;
  font-size: 13px;
}
.preset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.preset-grid button {
  padding: 16px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0d111a;
  color: var(--text);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 14px;
}
.preset-grid button:hover { border-color: var(--accent); color: var(--accent); }
.preset-grid button.selected { border-color: var(--accent); background: rgba(110, 231, 183, 0.08); }
.preset-grid button small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.preview {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px dashed var(--border);
  margin: 4px 0 12px;
}
.result {
  min-height: 280px;
  margin: 0;
  padding: 14px;
  border-radius: 10px;
  background: #0a0e16;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  color: #c9d4e8;
}

.hint { color: var(--muted); font-size: 12px; margin-top: 12px; }
code { font-family: var(--mono); color: var(--accent-2); }

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  padding: 13px 16px;
  border-radius: 11px;
  background: #1a2233;
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  font-size: 13px;
  max-width: 360px;
}
.toast.error { border-color: rgba(255, 123, 138, 0.5); color: #ffd0d5; }

@media (max-width: 900px) {
  .grid.two { grid-template-columns: 1fr; }
  .topbar { padding: 12px 16px; }
  .userbox { width: 100%; justify-content: flex-end; }
  .balance { font-size: 34px; }
  .preset-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}