:root {
  --bg: #0c141b;
  --panel: rgba(18, 28, 36, 0.88);
  --line: rgba(255, 255, 255, 0.08);
  --text: #f2efe8;
  --muted: rgba(242, 239, 232, 0.62);
  --teal: #3ec7c2;
  --amber: #e8b86d;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "ZCOOL XiaoWei", "KaiTi", serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
}
.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(62, 199, 194, 0.16), transparent 50%),
    radial-gradient(700px 420px at 100% 0%, rgba(232, 184, 109, 0.12), transparent 45%),
    linear-gradient(160deg, #0a1117, #13222c 50%, #0c141b);
  z-index: -1;
}

.login-mask {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(6, 10, 14, 0.72);
  backdrop-filter: blur(8px);
  z-index: 50;
  padding: 20px;
}
.login-mask.show { display: grid; }
.login-card {
  width: min(400px, 100%);
  background: rgba(18, 28, 36, 0.96);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  display: grid;
  gap: 12px;
}
.login-card h2 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
}
.login-card > p { color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.login-card label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.login-error {
  min-height: 18px;
  color: #ff8f8f;
  font-size: 13px;
}
.app-root[hidden] { display: none !important; }
.ghost-btn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}
.account-form { max-width: 420px; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  padding: 28px 28px 12px;
}
.top h1 {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 0.06em;
}
.top p { color: var(--muted); margin-top: 6px; font-size: 14px; }
.top-actions { display: flex; gap: 10px; align-items: center; }
.link {
  color: #0d1a1c;
  text-decoration: none;
  background: linear-gradient(145deg, var(--teal), #1f8f95);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 13px;
}
.chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  font-size: 12px;
  color: var(--muted);
}

.grid {
  padding: 12px 28px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  backdrop-filter: blur(10px);
}
.panel.wide { grid-column: 1 / -1; }
.panel h2 {
  font-size: 16px;
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.stats div {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
.stats label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.stats strong { font-size: 22px; font-family: var(--display); }

.row, .mock-row, .compose { display: flex; gap: 10px; flex-wrap: wrap; }
input, textarea, button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 10px 12px;
}
input[type="number"] { width: 96px; }
button { cursor: pointer; }
button.primary, #btnSales, #btnEnterCfg, #btnOnline {
  background: linear-gradient(145deg, var(--teal), #1f8f95);
  color: #071314;
  border: 0;
  font-weight: 700;
}
.hint { color: var(--muted); font-size: 12px; margin-top: 10px; line-height: 1.5; }

.form { display: grid; gap: 12px; }
.form label { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }

.scripts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.scripts button {
  background: rgba(232, 184, 109, 0.12);
  border-color: rgba(232, 184, 109, 0.28);
}
.compose { flex-direction: column; }
.compose textarea { width: 100%; resize: vertical; min-height: 84px; }
.compose #salesTitle { width: 100%; max-width: 320px; }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; padding: 12px 16px 32px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .top { flex-direction: column; align-items: flex-start; padding: 20px 16px 8px; }
}