/* ── 暗色主题变量 ── */
:root {
  --bg: #0f1117;
  --sidebar-bg: #131620;
  --card: #1a1d28;
  --border: #2a2d3a;
  --text: #e4e6ef;
  --text-dim: #7a7d8f;
  --accent: #4f8cff;
  --accent-hover: #6ba0ff;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --blue: #3b82f6;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── 布局 ── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-header {
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.sidebar-header .logo { font-size: 22px; }
.sidebar-header .title { font-size: 15px; font-weight: 600; }

.nav { flex: 1; padding: 12px 0; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}
.nav-item:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.nav-item.active {
  color: var(--accent);
  background: rgba(79,140,255,0.08);
  border-left-color: var(--accent);
}
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sidebar-footer .user { font-size: 13px; color: var(--text-dim); }
.sidebar-footer .logout {
  font-size: 12px;
  color: var(--red);
  text-decoration: none;
}

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.main-header {
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.main-header h1 { font-size: 20px; font-weight: 600; }
.main-actions { display: flex; gap: 8px; }
.main-content { flex: 1; padding: 24px 28px; overflow-y: auto; }

/* ── 按钮 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  font-family: inherit;
}
.btn:disabled,
.btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: auto;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-green { background: var(--green); color: #fff; }
.btn-yellow { background: var(--yellow); color: #000; }
.btn-red { background: var(--red); color: #fff; }
.btn-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ── 卡片/统计 ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.stat-card .label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { font-size: 24px; font-weight: 600; margin-top: 6px; }
.stat-card .value.green { color: var(--green); }
.stat-card .value.blue { color: var(--blue); }
.stat-card .value.accent { color: var(--accent); }

/* ── 表格 ── */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid rgba(42,45,58,0.5); transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(79,140,255,0.04); }
tbody td { padding: 10px 14px; vertical-align: middle; }

/* ── 徽标 ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.badge-green { background: rgba(34,197,94,0.12); color: var(--green); }
.badge-blue  { background: rgba(59,130,246,0.12); color: var(--blue); }
.badge-yellow { background: rgba(234,179,8,0.12); color: var(--yellow); }
.badge-red { background: rgba(239,68,68,0.12); color: var(--red); }
.badge-gray { background: rgba(122,125,143,0.12); color: var(--text-dim); }

/* ── 表单 ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { min-height: 300px; font-family: 'SF Mono', 'Fira Code', monospace; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── 筛选器 ── */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; align-items: center; }
.filters .period-group {
  display: flex; gap: 2px;
  background: var(--card); border-radius: 8px; padding: 2px;
  border: 1px solid var(--border);
}
.filters .period-group button {
  padding: 6px 14px; border: none; background: transparent;
  color: var(--text-dim); border-radius: 6px; cursor: pointer;
  font-size: 13px; font-weight: 500; transition: all 0.15s;
}
.filters .period-group button:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.filters .period-group button.active { background: var(--accent); color: #fff; }
.filters select, .filters input[type="date"], .filters .search-input {
  padding: 6px 12px; background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 13px; font-family: inherit;
}
.filters select:focus, .filters input:focus { outline: none; border-color: var(--accent); }
.filters .search-input { width: 160px; }
.filters .custom-range { display: none; align-items: center; gap: 6px; }
.filters .custom-range.show { display: flex; }

/* ── 工具类 ── */
.mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; color: var(--text-dim); }
.text-green { color: var(--green); }
.text-blue { color: var(--blue); }
.text-red { color: var(--red); }
.text-dim { color: var(--text-dim); }
.client-name { font-weight: 500; color: var(--accent); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.status-dot.active { background: var(--green); }
.status-dot.completed { background: var(--text-dim); }

/* ── 加载/空状态 ── */
.loading { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.loading .spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.empty-state .icon { font-size: 36px; margin-bottom: 8px; }

/* ── 登录页 ── */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-card {
  width: 340px; padding: 32px;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
}
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 24px; }
.login-card .logo { text-align: center; font-size: 36px; margin-bottom: 12px; }

/* ── 日志 ── */
.log-content {
  background: #0a0c12; border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px; color: #a0a3b1; white-space: pre-wrap;
  word-break: break-all; max-height: 70vh; overflow-y: auto;
}

/* ── Tabs ── */
.tabs { display: flex; gap: 2px; margin-bottom: 20px; border-bottom: 1px solid var(--border); }
.tab {
  padding: 10px 18px; color: var(--text-dim); text-decoration: none;
  font-size: 14px; font-weight: 500; border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── 提示框 ── */
.alert {
  padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13px;
}
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--red); }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: var(--green); }

.footer { margin-top: 16px; font-size: 11px; color: var(--text-dim); text-align: right; }