/* vMix 汉化助手 - 管理后台样式 */
:root {
  --bg: #0f172a;
  --bg-2: #1e293b;
  --bg-3: #334155;
  --border: #334155;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #10b981;
  --orange: #f59e0b;
  --red: #ef4444;
  --purple: #8b5cf6;
  --radius: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ========== 登录页 ========== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
}

.login-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}

.login-box h1 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 4px;
}

.login-box .subtitle {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 28px;
  font-size: 14px;
}

.login-box input {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}

.login-box input:focus { border-color: var(--accent); }

.login-box button {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}

.login-box button:hover { background: var(--accent-hover); }

.login-tip {
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  margin-top: 14px;
}

/* ========== 主界面布局 ========== */
#mainPage { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
}

.sidebar .logo {
  padding: 20px;
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}

.sidebar nav { flex: 1; padding: 12px 0; }

.nav-item {
  display: block;
  padding: 12px 20px;
  color: var(--text-dim);
  text-decoration: none;
  cursor: pointer;
  transition: all .15s;
  border-left: 3px solid transparent;
}

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

.nav-item.active {
  background: rgba(59,130,246,.12);
  color: var(--accent);
  border-left-color: var(--accent);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 13px;
}

.content {
  margin-left: 220px;
  flex: 1;
  padding: 24px 28px;
}

.view { display: none; }
.view.active { display: block; }

.view h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

/* ========== 统计卡片 ========== */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-card .stat-label {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
}

.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.green .stat-value { color: var(--green); }
.stat-card.orange .stat-value { color: var(--orange); }

/* ========== 图表 ========== */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.chart-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.chart-card h3 {
  font-size: 15px;
  margin-bottom: 14px;
  color: var(--text-dim);
}

.chart-card canvas { max-height: 280px; }

/* ========== 工具栏 ========== */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar input, .toolbar select {
  padding: 9px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.toolbar input:focus, .toolbar select:focus { border-color: var(--accent); }

.btn-primary, .btn-secondary {
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  border: none;
  transition: opacity .15s;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary { background: var(--bg-3); color: var(--text); }
.btn-secondary:hover { background: #475569; }

/* ========== 表格 ========== */
.table-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead {
  background: var(--bg-3);
}

.data-table th, .data-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody tr:hover { background: rgba(59,130,246,.06); }

.data-table tbody tr:last-child td { border-bottom: none; }

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-3);
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
}

.tag-green { background: rgba(16,185,129,.15); color: var(--green); }
.tag-red { background: rgba(239,68,68,.15); color: var(--red); }
.tag-gray { background: var(--bg-3); color: var(--text-dim); }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
}

.link-btn:hover { text-decoration: underline; }

/* ========== 分页 ========== */
.pagination {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 16px;
  align-items: center;
}

.pagination button {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}

.pagination button:hover:not(:disabled) { background: var(--bg-3); }
.pagination button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

.pagination .page-info {
  color: var(--text-dim);
  font-size: 13px;
  padding: 0 8px;
}

/* ========== 弹窗 ========== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-content {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  overflow: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 16px; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.modal-body { padding: 20px; }

.detail-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px 16px;
  font-size: 13px;
  margin-bottom: 20px;
}

.detail-grid .label { color: var(--text-dim); }

.heartbeat-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.heartbeat-list table { font-size: 12px; }

.section-title {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

/* 响应式 */
@media (max-width: 900px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .charts-row { grid-template-columns: 1fr; }
  .sidebar { width: 180px; }
  .content { margin-left: 180px; }
}

/* ========== 系统设置 ========== */
.settings-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 560px;
}
.settings-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.settings-desc {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 20px;
  line-height: 1.6;
}
.settings-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  min-height: 36px;
}
.settings-row label {
  color: var(--text);
  font-size: 14px;
  min-width: 80px;
}
.settings-row .input {
  background: var(--bg-1);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  min-width: 160px;
}
.settings-msg {
  font-size: 13px;
  color: var(--accent);
}
.settings-msg.error {
  color: #ff9a9a;
}

/* 开关 */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}
.switch input { display: none; }
.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #444;
  border-radius: 26px;
  transition: .3s;
}
.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: .3s;
}
.switch input:checked + .slider {
  background: var(--accent);
}
.switch input:checked + .slider:before {
  transform: translateX(22px);
}