:root {
  --bg: #1e1f22;
  --bg-2: #2b2d31;
  --bg-3: #313338;
  --primary: #5865f2;
  --primary-dark: #4752c4;
  --text: #ffffff;
  --text-dim: #b5bac1;
  --green: #23a55a;
  --red: #f23f43;
  --amber: #f0b232;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "PingFang SC", -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

.shell { display: flex; height: 100vh; }

.sidebar {
  width: 200px;
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  font-weight: 600;
  font-size: 18px;
}

.brand-logo {
  width: 32px; height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff;
  overflow: hidden;
}

.brand-logo img {
  width: 78%; height: 78%;
  /* 灰色线条 logo 反白，贴合渐变底 */
  filter: brightness(0) invert(1);
}

.nav { flex: 1; padding: 8px; display: flex; flex-direction: column; gap: 4px; }

.nav-item {
  text-align: left; padding: 10px 14px;
  border: none; background: transparent;
  color: var(--text-dim); font-size: 14px;
  border-radius: 8px; cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover { background: var(--bg-3); color: var(--text); }
.nav-item.active { background: var(--primary); color: #fff; }

.sidebar-footer {
  padding: 16px 18px; display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-dim);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 6px var(--green); }

.main { flex: 1; padding: 32px 40px; overflow-y: auto; }
.page h1 { font-size: 20px; font-weight: 600; margin-bottom: 24px; }
.hidden { display: none; }

.table-wrap { background: var(--bg-2); border-radius: 12px; border: 1px solid rgba(255,255,255,0.06); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead { background: var(--bg-3); }
th { text-align: left; padding: 14px 18px; color: var(--text-dim); font-weight: 500; font-size: 13px; white-space: nowrap; }
td { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,0.06); color: var(--text); }
td.mono { font-family: "SF Mono", monospace; font-size: 12px; color: var(--text-dim); word-break: break-all; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge.approved { background: rgba(35,165,90,0.15); color: var(--green); }
.badge.pending { background: rgba(240,178,50,0.15); color: var(--amber); }
.badge.paused { background: rgba(237,66,69,0.15); color: #ed4245; }
.muted { color: var(--text-dim); font-size: 12px; }
td a { color: var(--text-dim); word-break: break-all; }

.btn {
  padding: 6px 14px; border: none; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 13px; cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: var(--primary-dark); }
.btn.approve { background: var(--green); }
.btn.reject { background: var(--red); }

.form-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.form-row input, .form-row textarea, .form-row select {
  padding: 10px 12px; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;
  background: var(--bg-3); color: var(--text); font-size: 14px; outline: none;
  flex: 1 1 220px; min-width: 0;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--primary); }
.form-row textarea {
  flex-basis: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; line-height: 1.5; resize: vertical;
}
/* select 下拉选项（深色主题，避免白底突兀） */
select option { background: var(--bg-3); color: var(--text); }
.form-row label { white-space: nowrap; color: var(--text-dim); font-size: 14px; }
h2 { margin: 24px 0 12px; font-size: 15px; color: var(--text); }
.desc { margin-top: 16px; color: var(--text-dim); font-size: 14px; }
.sidebar-footer .admin-link {
  color: var(--primary); text-decoration: none; font-size: 13px; font-weight: 500;
}
.sidebar-footer .admin-link:hover { text-decoration: underline; }
.count { color: var(--text-dim); font-size: 12px; margin-left: 4px; }