/* ========== 变量与基础 ========== */
:root {
  --bg-dark: #0c0c0e;
  --bg-card: #141418;
  --bg-sidebar: #0f0f12;
  --bg-hover: #1c1c22;
  --border: #25252d;
  --text: #e8e8ec;
  --text-muted: #8888a0;
  --accent: #ff6b22;
  --accent-hover: #ff8533;
  --accent-dim: rgba(255, 107, 34, 0.15);
  --success: #22c55e;
  --danger: #ef4444;
  --radius: 10px;
  --radius-sm: 6px;
  --font-sans: "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

#app {
  display: flex;
  min-height: 100vh;
}

/* ========== 侧边栏 ========== */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.logo {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.logo-icon {
  color: var(--accent);
  font-size: 1.25rem;
}

.logo-text {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

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

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 500;
}

.nav-icon {
  font-size: 0.9rem;
  opacity: 0.9;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
}

/* ========== 主区域 ========== */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
}

.page-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.token-status {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  background: var(--bg-hover);
  border-radius: var(--radius-sm);
}

.token-status.ok {
  color: var(--success);
}

.content {
  flex: 1;
  padding: 1.5rem;
  overflow: auto;
}

/* ========== 页面切换 ========== */
.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ========== 统计卡片 ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
}

/* ========== 卡片容器 ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-header .card-title {
  margin-bottom: 0;
}

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

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  background: var(--bg-hover);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.table tbody tr:hover {
  background: var(--bg-hover);
}

.table td {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-success {
  background: rgba(34, 197, 94, 0.2);
  color: var(--success);
}

.badge-muted {
  background: var(--bg-hover);
  color: var(--text-muted);
}

/* ========== 分页 ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pagination-btns {
  display: flex;
  gap: 0.5rem;
}

.pagination button {
  padding: 0.4rem 0.75rem;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background var(--transition), border-color var(--transition);
}

.pagination button:hover:not(:disabled) {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========== 表单 ========== */
.form-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.form-row .input {
  flex: 1;
  max-width: 400px;
}

/* ========== 筛选行 ========== */
.filters-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.filter-group label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.select {
  min-width: 120px;
  padding: 0.5rem 0.75rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color var(--transition);
}

.select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.input {
  width: 100%;
  padding: 0.6rem 0.9rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}

.input:focus {
  outline: none;
  border-color: var(--accent);
}

.input::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

/* ========== 按钮 ========== */
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  font-family: var(--font-sans);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

/* ========== 详情结果区 ========== */
.detail-result {
  margin-top: 1rem;
  min-height: 40px;
}

.detail-result .empty,
.detail-result .loading {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.detail-result .error {
  color: var(--danger);
  font-size: 0.9rem;
}

.detail-result .block {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.detail-result .block h4 {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.detail-result .row {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.detail-result .row span:first-child {
  color: var(--text-muted);
  min-width: 90px;
}

.user-actions {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.user-actions h4 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.action-group {
  margin-bottom: 1rem;
}

.action-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

/* ========== 弹窗 ========== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 0.25rem;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--text);
}

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 0.6rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  z-index: 200;
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: var(--success);
  color: var(--success);
}

.toast.error {
  border-color: var(--danger);
  color: var(--danger);
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .sidebar {
    width: 64px;
    min-width: 64px;
  }

  .logo-text,
  .nav-item span:not(.nav-icon),
  .sidebar-footer .btn {
    display: none;
  }

  .logo {
    justify-content: center;
    padding: 1rem;
  }

  .nav-item {
    justify-content: center;
    padding: 0.75rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    flex-direction: column;
    align-items: stretch;
  }

  .form-row .input {
    max-width: none;
  }
}