/* ─── 东莞钛钽实业 管理系统 — 企业风格样式 ─── */

:root {
  --bg-base:       #0f1117;
  --bg-panel:      #181c26;
  --bg-card:       #1e2233;
  --bg-hover:      #252a3a;
  --border:        #2a2f42;
  --gold:          #c8a84b;
  --gold-light:    #e0c472;
  --gold-dim:      #7a6430;
  --text-primary:  #e8e8e8;
  --text-secondary:#9aa0b8;
  --text-muted:    #555e78;
  --green:         #3ecf8e;
  --red:           #f06060;
  --yellow:        #f0c040;
  --blue:          #4a9eff;
  --sidebar-width: 220px;
}

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
}

/* ─── 侧边栏 ─── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .company {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.sidebar-logo .system-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.5px;
}

.sidebar-logo .version {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.nav-section {
  padding: 16px 0 4px;
}

.nav-section-title {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-muted);
  padding: 0 20px 8px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
  border-left: 3px solid transparent;
  text-decoration: none;
}

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

.nav-item.active {
  background: var(--bg-hover);
  color: var(--gold);
  border-left-color: var(--gold);
}

.nav-item .icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
}

.nav-item .label {
  font-size: 13px;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

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

.status-dot.offline { background: var(--red); box-shadow: 0 0 6px var(--red); }

.sidebar-footer .status-text {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ─── 主内容区 ─── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  height: 56px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  flex-shrink: 0;
}

.topbar .page-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar .breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
}

.topbar .spacer { flex: 1; }

.topbar .time {
  font-size: 12px;
  color: var(--text-muted);
  font-family: monospace;
}

.topbar .upstream-badge {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(200, 168, 75, 0.12);
  color: var(--gold);
  border: 1px solid var(--gold-dim);
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

/* ─── 卡片 ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
}

.card-title {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ─── 统计数字行 ─── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  opacity: 0.6;
}

.stat-card.green::before { background: var(--green); }
.stat-card.red::before   { background: var(--red); }
.stat-card.blue::before  { background: var(--blue); }

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: monospace;
  letter-spacing: -1px;
}

.stat-value .unit {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
  margin-left: 4px;
}

.stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

.stat-sub .up   { color: var(--green); }
.stat-sub .down { color: var(--red); }

/* ─── 两列布局 ─── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.grid-3-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

/* ─── 日志面板 ─── */
.log-panel {
  background: #0a0d14;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  height: 260px;
  overflow-y: auto;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.7;
}

.log-panel::-webkit-scrollbar { width: 4px; }
.log-panel::-webkit-scrollbar-track { background: transparent; }
.log-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.log-line { display: flex; gap: 10px; }
.log-time  { color: var(--text-muted); flex-shrink: 0; }
.log-level { flex-shrink: 0; width: 36px; }
.log-level.info  { color: var(--blue); }
.log-level.ok    { color: var(--green); }
.log-level.warn  { color: var(--yellow); }
.log-level.error { color: var(--red); }
.log-msg { color: var(--text-secondary); }
.log-msg .highlight { color: var(--gold); }

/* ─── 渠道状态表 ─── */
.channel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.channel-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.channel-table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(42, 47, 66, 0.5);
  color: var(--text-secondary);
}

.channel-table tr:last-child td { border-bottom: none; }
.channel-table tr:hover td { background: var(--bg-hover); color: var(--text-primary); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
}

.badge.online  { background: rgba(62,207,142,0.12); color: var(--green); }
.badge.offline { background: rgba(240,96,96,0.12);  color: var(--red); }
.badge.testing { background: rgba(240,192,64,0.12); color: var(--yellow); }

/* ─── 操作日志列表 ─── */
.activity-list { display: flex; flex-direction: column; gap: 2px; }

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(42,47,66,0.4);
}

.activity-item:last-child { border-bottom: none; }

.activity-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 1px;
}

.activity-icon.task   { background: rgba(74,158,255,0.15); }
.activity-icon.error  { background: rgba(240,96,96,0.15); }
.activity-icon.ok     { background: rgba(62,207,142,0.15); }
.activity-icon.warn   { background: rgba(240,192,64,0.15); }

.activity-body { flex: 1; }
.activity-title { font-size: 13px; color: var(--text-primary); margin-bottom: 2px; }
.activity-meta  { font-size: 11px; color: var(--text-muted); }

/* ─── 滚动条全局 ─── */
.content::-webkit-scrollbar { width: 4px; }
.content::-webkit-scrollbar-track { background: transparent; }
.content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ─── 金线分隔 ─── */
.gold-divider {
  height: 1px;
  background: linear-gradient(90deg, var(--gold-dim), transparent);
  margin: 20px 0;
}

/* ─── 表单元素 ─── */
.form-input {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
.form-input:focus { border-color: var(--gold-dim); }
.form-input::placeholder { color: var(--text-muted); }

.form-select {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 7px 10px;
  color: var(--text-secondary);
  font-size: 12px;
  outline: none;
  cursor: pointer;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-dim), var(--gold));
  border: none;
  border-radius: 5px;
  padding: 9px 22px;
  color: #1a1200;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: opacity 0.15s;
}
.btn-gold:hover { opacity: 0.85; }

/* ─── 折叠子菜单 ─── */
.nav-group-header {
  cursor: pointer;
  justify-content: space-between;
}
.nav-group-header:hover { background: var(--bg-hover); }

.chevron {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
}

.nav-sub-group {
  display: none;
}

.nav-sub {
  padding-left: 36px !important;
  font-size: 12px !important;
  border-left: 3px solid transparent;
}
.nav-sub2 {
  padding-left: 52px !important;
  font-size: 12px !important;
  color: var(--text-muted) !important;
}
.nav-sub2:hover { color: var(--text-secondary) !important; }