/* 基础样式 - 亮色主题（默认） */
:root {
  --primary-color: #e67e22;
  --primary-dark: #d35400;
  --success-color: #27ae60;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --info-color: #3498db;
  --bg-color: #f5f5f5;
  --card-bg: #ffffff;
  --text-color: #1a1a2e;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.06);
  --nav-link-hover-bg: rgba(0, 0, 0, 0.06);
  --table-header-bg: rgba(0, 0, 0, 0.04);
  --table-row-hover-bg: rgba(0, 0, 0, 0.03);
  --btn-default-hover: #d1d5db;
  --login-gradient-end: #e0e0e0;
  --modal-overlay: rgba(0, 0, 0, 0.4);
  --error-bg: rgba(231, 76, 60, 0.1);
  --input-bg: #ffffff;
  color-scheme: light dark;
}

/* 暗色主题 - 跟随系统设置 */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #1a1a2e;
    --card-bg: #16213e;
    --text-color: #ecf0f1;
    --text-muted: #95a5a6;
    --border-color: #34495e;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --nav-link-hover-bg: rgba(255, 255, 255, 0.1);
    --table-header-bg: rgba(0, 0, 0, 0.2);
    --table-row-hover-bg: rgba(255, 255, 255, 0.05);
    --btn-default-hover: #4a6785;
    --login-gradient-end: #0f0f23;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --error-bg: rgba(231, 76, 60, 0.2);
    --input-bg: var(--bg-color);
  }
}

* {
  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);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  overflow-y: scroll; /* 强制显示滚动条，避免页面抖动 */
  scrollbar-gutter: stable; /* 现代浏览器中预留滚动条空间 */
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
}

/* 导航栏 */
.navbar {
  background: var(--card-bg);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: bold;
}

.logo {
  font-size: 1.5rem;
}

.logo img {
  width: 24px;
  height: 24px;
  display: block;
}

.nav-menu {
  display: flex;
  gap: 1rem;
}

.nav-link {
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-color);
  background: var(--nav-link-hover-bg);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 按钮 */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
  background: var(--border-color);
  color: var(--text-color);
}

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

.btn-primary {
  background: var(--primary-color);
  color: white;
}

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

.btn-success {
  background: var(--success-color);
  color: white;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

.btn-back {
  margin-bottom: 1rem;
}

/* 徽章 */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
}

.badge-admin {
  background: var(--warning-color);
  color: #000;
}

.badge-superadmin {
  background: var(--danger-color);
  color: white;
}

.badge-pending {
  background: var(--warning-color);
  color: #000;
}

.badge-approved {
  background: var(--success-color);
  color: white;
}

.badge-rejected {
  background: var(--danger-color);
  color: white;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* 页面 */
.page {
  display: none;
}

.page.active {
  display: block;
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.stat-label {
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* 插件网格 */
.plugin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.plugin-card {
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.plugin-card:hover {
  transform: translateY(-4px);
}

.plugin-card h3 {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.plugin-card .plugin-guid {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: monospace;
  margin-bottom: 0.5rem;
}

.plugin-card .plugin-description {
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.plugin-card .plugin-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* 表单 */
.form {
  max-width: 600px;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 1rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--input-bg);
  color: var(--text-color);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group small {
  display: block;
  margin-top: 0.25rem;
  color: var(--text-muted);
}

/* 表格 */
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 1rem;
  overflow: hidden;
}

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

.table th {
  background: var(--table-header-bg);
  font-weight: 600;
}

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

/* 申请卡片 */
.application-card {
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.application-card h3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.application-card .meta {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.application-card .actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* 登录页 */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-color) 0%, var(--login-gradient-end) 100%);
}

.login-container {
  background: var(--card-bg);
  padding: 3rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 400px;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-large {
  font-size: 4rem;
  display: block;
  margin-bottom: 1rem;
}

.logo-large img {
  width: 72px;
  height: 72px;
  display: inline-block;
}

.login-header h1 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.login-header p {
  color: var(--text-muted);
}

.login-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.admin-login-section {
  margin-top: 1rem;
}

.admin-login-section summary {
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.5rem;
}

.admin-login-section .form {
  margin-top: 1rem;
  padding: 1rem;
}

.error-message {
  background: var(--error-bg);
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
  padding: 1rem;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

/* 模态框 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--modal-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 1rem;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

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

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  transform: translateX(150%);
  transition: transform 0.3s;
  z-index: 1001;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  border-left: 4px solid var(--success-color);
}

.toast.error {
  border-left: 4px solid var(--danger-color);
}

/* 加载状态 */
.loading {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

/* 详情页 */
.plugin-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.plugin-detail-header h1 {
  margin-bottom: 0.5rem;
}

.plugin-detail-info {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 1rem;
  margin-bottom: 2rem;
}

.plugin-detail-info dt {
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.plugin-detail-info dd {
  margin-bottom: 1rem;
}

.upload-section {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
}

.upload-section h3 {
  margin-bottom: 1rem;
}

/* 文件上传 */
.file-input-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.file-input-wrapper input[type="file"] {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.file-input-label {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

.file-input-label:hover {
  background: var(--btn-default-hover);
}

.selected-file {
  margin-left: 1rem;
  color: var(--text-muted);
}

/* 快速操作 */
.quick-actions {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 1rem;
}

.quick-actions h3 {
  margin-bottom: 1rem;
}

.quick-actions .btn {
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

/* 响应式 */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
  }

  .container {
    padding: 1rem;
  }

  .plugin-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
  }
}

/* Tab 栏 */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-color);
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Panel */
.panel {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.panel h3 {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

/* 宽表单 */
.form-wide {
  max-width: 100%;
  background: transparent;
  padding: 0;
  margin-bottom: 0;
}

/* 行布局 */
.form-row {
  display: flex;
  gap: 1.5rem;
}

.form-row > .form-group {
  flex: 1;
}

/* 只读输入框 */
.input-readonly {
  opacity: 0.7;
  cursor: not-allowed;
}

/* JSON 预览 */
.json-preview {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--primary-color);
  max-height: 300px;
  overflow-y: auto;
}

/* 可点击卡片 */
.plugin-card.clickable {
  cursor: pointer;
}

.plugin-card.clickable:hover {
  border-color: var(--primary-color);
  box-shadow: 0 6px 12px rgba(230, 126, 34, 0.2);
}