/* ========================================
   Skill Base - 全局样式
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  min-height: 100vh;
}

img, video {
  max-width: 100%;
  height: auto;
}

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

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ========================================
   CSS Custom Properties (色彩变量)
   ======================================== */
:root {
  /* 主色调 */
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #dbeafe;
  
  /* 状态色 */
  --success-color: #16a34a;
  --success-light: #dcfce7;
  --warning-color: #ea580c;
  --warning-light: #ffedd5;
  --error-color: #dc2626;
  --error-light: #fee2e2;
  --info-color: #0ea5e9;
  --info-light: #e0f2fe;
  
  /* 中性色 */
  --bg-color: #f8fafc;
  --text-color: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --white: #ffffff;
  --black: #000000;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* 过渡 */
  --transition: all 0.2s ease;
}

/* ========================================
   应用壳：Developer Tools 深色主题
   （在 body 上添加 class="app-devtools"；登录页用 .login-body 不加此类）
   ======================================== */
body.app-devtools {
  --primary-color: #22c55e;
  --primary-hover: #16a34a;
  --primary-light: rgba(34, 197, 94, 0.2);
  --success-color: #4ade80;
  --success-light: rgba(74, 222, 128, 0.14);
  --warning-color: #fb923c;
  --warning-light: rgba(251, 146, 60, 0.16);
  --error-color: #f87171;
  --error-light: rgba(248, 113, 113, 0.16);
  --info-color: #38bdf8;
  --info-light: rgba(56, 189, 248, 0.14);
  --bg-color: #0f172a;
  --text-color: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  --white: #1e293b;
  --black: #020617;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
}

body.app-devtools .page-content {
  background-image:
    linear-gradient(rgba(51, 65, 85, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 65, 85, 0.1) 1px, transparent 1px);
  background-size: 24px 24px;
}

body.app-devtools .navbar {
  background-color: #0c1222;
  border-bottom: 1px solid var(--border-color);
  box-shadow: none;
}

body.app-devtools .navbar-nav a:hover,
body.app-devtools .navbar-nav a.active {
  color: #7dd3fc;
}

body.app-devtools .btn-secondary {
  background-color: #252f42;
  color: var(--text-color);
  border-color: var(--border-color);
}

body.app-devtools .btn-secondary:hover:not(:disabled) {
  background-color: #2d3b52;
  border-color: #475569;
}

body.app-devtools input[type="text"],
body.app-devtools input[type="email"],
body.app-devtools input[type="password"],
body.app-devtools input[type="search"],
body.app-devtools input[type="number"],
body.app-devtools input[type="url"],
body.app-devtools textarea,
body.app-devtools select {
  background-color: #0f172a;
  color: var(--text-color);
  border-color: var(--border-color);
}

body.app-devtools input:focus,
body.app-devtools textarea:focus,
body.app-devtools select:focus {
  border-color: #7dd3fc;
  box-shadow: 0 0 0 2px rgba(125, 211, 252, 0.18);
}

body.app-devtools input::placeholder,
body.app-devtools textarea::placeholder {
  color: #64748b;
}

body.app-devtools .file-tree {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

body.app-devtools .skill-card {
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  background-color: var(--white);
}

body.app-devtools .skill-card:hover {
  border-color: #475569;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

body.app-devtools .skeleton-card {
  border: 1px solid var(--border-color);
}

body.app-devtools .markdown-body th {
  background-color: #0f172a;
}

body.app-devtools .file-preview-content pre,
body.app-devtools .file-content-body pre,
body.app-devtools .markdown-body pre {
  background-color: #0f172a;
  border: 1px solid var(--border-color);
}

body.app-devtools .markdown-body code {
  background-color: #0f172a;
}

body.app-devtools .loading-overlay::before {
  background-color: rgba(15, 23, 42, 0.88);
}

body.app-devtools .loading-overlay::after {
  border-color: var(--border-color);
  border-top-color: #7dd3fc;
}

body.app-devtools .diff-line.context {
  background-color: #1e293b;
}

body.app-devtools .diff-line.added .diff-line-num {
  background-color: rgba(34, 197, 94, 0.22);
}

body.app-devtools .diff-line.removed .diff-line-num {
  background-color: rgba(248, 113, 113, 0.22);
}

body.app-devtools .d2h-wrapper,
body.app-devtools .d2h-file-wrapper {
  background: #1e293b !important;
  color: #e2e8f0 !important;
}

body.app-devtools .d2h-file-header {
  background: #0f172a !important;
  color: #e2e8f0 !important;
  border-color: var(--border-color) !important;
}

body.app-devtools .d2h-code-line,
body.app-devtools .d2h-code-line-prefix,
body.app-devtools .d2h-code-line-ctn {
  border-color: var(--border-color) !important;
}

body.app-devtools .d2h-file-side-diff {
  background: #1e293b !important;
}

body.app-devtools .d2h-code-side-line-prefix {
  background: #0f172a !important;
  color: #64748b !important;
}

body.app-devtools .d2h-ins {
  background-color: rgba(34, 197, 94, 0.18) !important;
}

body.app-devtools .d2h-del {
  background-color: rgba(248, 113, 113, 0.18) !important;
}

body.app-devtools .d2h-info {
  background: #0f172a !important;
  color: #94a3b8 !important;
}

body.app-devtools .navbar-brand-icon {
  flex-shrink: 0;
  opacity: 0.95;
}

/* 主色按钮上的文字：不用 remapped 的 --white（已用作面板底） */
body.app-devtools .btn-primary,
body.app-devtools .btn-group .btn.active {
  color: #052e16;
}

body.app-devtools .btn-primary:hover:not(:disabled),
body.app-devtools .btn-group .btn.active:hover:not(:disabled) {
  color: #022c14;
}

body.app-devtools .fab {
  color: #052e16;
}

body.app-devtools .btn-danger,
body.app-devtools .btn-danger:hover:not(:disabled) {
  color: #fff;
}

body.app-devtools .file-preview-path,
body.app-devtools .file-content-path,
body.app-devtools .diff-file-path,
body.app-devtools .changed-file-path,
body.app-devtools .file-preview-list {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

/* ========================================
   容器
   ======================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar-brand:hover {
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.navbar-nav a {
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
}

.navbar-nav a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-nav a.active {
  color: var(--primary-color);
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-user .username {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* 用户下拉菜单 */
.navbar-user-dropdown {
  position: relative;
}

.navbar-user-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-color);
  font-size: 0.875rem;
}

.navbar-user-btn:hover {
  background-color: var(--bg-color);
  border-color: var(--primary-color);
}

.navbar-user-menu {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  min-width: 200px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.navbar-user-dropdown.active .navbar-user-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar-user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-color);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  width: 100%;
  border: none;
  background: none;
  text-align: left;
}

.navbar-user-menu-item:hover {
  background-color: var(--bg-color);
}

.navbar-user-menu-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-sm) 0;
}

.navbar-user-logout {
  color: var(--error-color);
}

/* 语言切换下拉 */
.lang-switcher {
  position: relative;
  display: inline-flex;
}

.lang-switcher-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.lang-switcher-trigger:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: var(--bg-color);
}

.lang-switcher.active .lang-switcher-trigger {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.lang-switcher-trigger svg {
  flex-shrink: 0;
}

.lang-chevron {
  transition: transform 0.2s ease;
}

.lang-switcher.active .lang-chevron {
  transform: rotate(180deg);
}

.lang-switcher-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 108px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  z-index: 200;
  padding: 4px;
}

.lang-switcher.active .lang-switcher-menu {
  display: block;
}

.lang-switcher-option {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 8px 12px;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: var(--transition);
  text-align: left;
  white-space: nowrap;
}

.lang-switcher-option:hover {
  background: var(--bg-color);
  color: var(--text-primary);
}

.lang-switcher-option.active {
  color: var(--primary-color);
  font-weight: 600;
  background: var(--bg-color);
}

/* 页面内容偏移（为固定导航栏留出空间） */
.page-content {
  padding-top: 80px;
  padding-bottom: var(--spacing-xl);
  min-height: calc(100vh - 60px);
}

/* ========================================
   卡片
   ======================================== */
.card {
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--spacing-lg);
}

.card-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-color);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.card-body {
  color: var(--text-color);
}

.card-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

/* ========================================
   按钮
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--text-color);
  border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-color);
  border-color: var(--text-muted);
}

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

.btn-danger:hover:not(:disabled) {
  background-color: #b91c1c;
  border-color: #b91c1c;
}

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

.btn-success:hover:not(:disabled) {
  background-color: #15803d;
  border-color: #15803d;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ========================================
   表单
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-color);
}

.form-label.required::after {
  content: ' *';
  color: var(--error-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

input:disabled,
textarea:disabled,
select:disabled {
  background-color: var(--bg-color);
  cursor: not-allowed;
}

input.error,
textarea.error,
select.error {
  border-color: var(--error-color);
}

input.error:focus,
textarea.error:focus,
select.error:focus {
  box-shadow: 0 0 0 3px var(--error-light);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  margin-top: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.form-error {
  margin-top: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--error-color);
}

/* ========================================
   搜索栏
   ======================================== */
.search-bar {
  position: relative;
  width: 100%;
}

.search-bar input {
  padding-left: 2.5rem;
  padding-right: 2.5rem;
}

.search-bar .search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-bar .clear-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: none;
}

.search-bar input:not(:placeholder-shown) + .search-icon + .clear-btn,
.search-bar .clear-btn.visible {
  display: block;
}

/* ========================================
   文件树
   ======================================== */
.file-tree {
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.8;
}

.file-tree ul {
  padding-left: var(--spacing-lg);
}

.file-tree li {
  position: relative;
}

.file-tree-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.file-tree-item:hover {
  background-color: var(--bg-color);
}

.file-tree-item.selected {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.file-tree-item .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.file-tree-item .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-tree-folder > .file-tree-item::before {
  content: '▶';
  font-size: 0.625rem;
  margin-right: var(--spacing-xs);
  transition: var(--transition);
}

.file-tree-folder.open > .file-tree-item::before {
  transform: rotate(90deg);
}

/* ========================================
   拖拽上传区域
   ======================================== */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius);
  padding: var(--spacing-xl);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.drop-zone-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.drop-zone-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.drop-zone-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.drop-zone input[type="file"] {
  display: none;
}

/* ========================================
   版本标签
   ======================================== */
.version-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background-color: var(--bg-color);
  color: var(--text-secondary);
}

.version-tag.latest {
  background-color: var(--success-light);
  color: var(--success-color);
}

.version-tag.current {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* ========================================
   Diff 样式
   ======================================== */
.diff-view {
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 0.8125rem;
  line-height: 1.6;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.diff-header {
  background-color: var(--bg-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  font-weight: 500;
}

.diff-content {
  overflow-x: auto;
}

.diff-line {
  display: flex;
  min-height: 1.6em;
}

.diff-line-num {
  width: 50px;
  padding: 0 var(--spacing-sm);
  text-align: right;
  color: var(--text-muted);
  background-color: var(--bg-color);
  border-right: 1px solid var(--border-color);
  user-select: none;
  flex-shrink: 0;
}

.diff-line-content {
  flex: 1;
  padding: 0 var(--spacing-md);
  white-space: pre;
}

.diff-line.added {
  background-color: var(--success-light);
}

.diff-line.added .diff-line-num {
  background-color: #bbf7d0;
}

.diff-line.removed {
  background-color: var(--error-light);
}

.diff-line.removed .diff-line-num {
  background-color: #fecaca;
}

.diff-line.context {
  background-color: var(--white);
}

/* ========================================
   Toast 通知
   ======================================== */
.toast-container {
  position: fixed;
  top: 80px;
  right: var(--spacing-md);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: toast-in 0.3s ease;
  max-width: 400px;
}

.toast.toast-out {
  animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.toast-message {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-color);
}

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

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

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

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

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

.toast.warning .toast-icon {
  color: var(--warning-color);
}

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

.toast.info .toast-icon {
  color: var(--info-color);
}

/* ========================================
   Loading 状态
   ======================================== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-color) 25%, var(--border-color) 50%, var(--bg-color) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ========================================
   工具类
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-error { color: var(--error-color); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.font-bold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.invisible { visibility: hidden; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ========================================
   登录页：Developer Tools 风格
   （配色与字体参考 ui-ux-pro-max：深色底、JetBrains Mono、CTA 绿）
   ======================================== */
body.login-body {
  background-color: #0f172a;
  color: #e2e8f0;
}

.login-page {
  --login-bg-deep: #0f172a;
  --login-panel: #1e293b;
  --login-chrome: #0c1222;
  --login-border: #334155;
  --login-text: #f8fafc;
  --login-muted: #94a3b8;
  --login-accent: #7dd3fc;
  --login-string: #86efac;
  --login-cta: #22c55e;
  --login-cta-hover: #16a34a;
  --login-error-bg: rgba(220, 38, 38, 0.15);
  --login-error-fg: #fca5a5;

  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background-color: var(--login-bg-deep);
  background-image:
    linear-gradient(rgba(51, 65, 85, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 65, 85, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
}

.login-devtools {
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--login-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.4),
    0 24px 48px -12px rgba(0, 0, 0, 0.55);
}

.devtools-chrome {
  background: var(--login-chrome);
  border-bottom: 1px solid var(--login-border);
}

.devtools-titlebar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 10px 12px;
  min-height: 40px;
}

.devtools-traffic {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.devtools-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.devtools-dot--close {
  background: #ff5f57;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15);
}

.devtools-dot--min {
  background: #febc2e;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.devtools-dot--max {
  background: #28c840;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.devtools-titlebar-title {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--login-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.login-card {
  width: 100%;
  background-color: var(--login-panel);
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
  border-radius: 0;
  box-shadow: none;
}

.login-panel-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--login-border);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.6875rem;
  color: var(--login-muted);
}

.login-panel-sep {
  opacity: 0.6;
}

.login-panel-breadcrumb--accent {
  color: var(--login-accent);
}

.login-header {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.login-title {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--login-text);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.02em;
}

.login-title-prompt {
  color: var(--login-cta);
  margin-right: 0.25em;
  user-select: none;
}

.login-subtitle {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--login-muted);
}

.login-prop {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--login-accent);
}

.login-page .form-label {
  color: var(--login-muted);
}

.login-page .login-input,
body.login-body .login-page input[type="text"],
body.login-body .login-page input[type="password"] {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8125rem;
  color: var(--login-string);
  background-color: #0f172a;
  border: 1px solid var(--login-border);
  border-radius: 4px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-page .login-input::placeholder,
body.login-body .login-page input::placeholder {
  color: #64748b;
}

.login-page .login-input:focus,
body.login-body .login-page input:focus {
  outline: none;
  border-color: var(--login-accent);
  box-shadow: 0 0 0 2px rgba(125, 211, 252, 0.2);
}

.login-actions {
  margin-bottom: 0;
  margin-top: var(--spacing-lg);
}

.btn-devtools {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-weight: 600;
  font-size: 0.875rem;
  background-color: var(--login-cta);
  color: #052e16;
  border: 1px solid #15803d;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-devtools:hover:not(:disabled) {
  background-color: var(--login-cta-hover);
  border-color: #166534;
  color: #022c14;
}

.btn-devtools:focus-visible {
  outline: 2px solid var(--login-accent);
  outline-offset: 2px;
}

.btn-devtools-icon {
  flex-shrink: 0;
  opacity: 0.9;
}

.login-page .btn-devtools .spinner {
  border-color: rgba(5, 46, 22, 0.35);
  border-top-color: #052e16;
  flex-shrink: 0;
}

.login-error {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  background-color: var(--login-error-bg);
  color: var(--login-error-fg);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  border: 1px solid rgba(248, 113, 113, 0.35);
  margin-bottom: var(--spacing-md);
  display: none;
}

.login-error.visible {
  display: block;
}

.login-success {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  background-color: rgba(34, 197, 94, 0.15);
  color: #86efac;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  border: 1px solid rgba(74, 222, 128, 0.35);
  margin-bottom: var(--spacing-md);
}

@media (prefers-reduced-motion: reduce) {
  .login-page .login-input,
  .login-page .btn-devtools {
    transition: none;
  }
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
  }
  
  .navbar {
    height: 56px;
  }
  
  .navbar-brand {
    font-size: 1.125rem;
  }
  
  .navbar-nav {
    gap: var(--spacing-md);
  }
  
  .page-content {
    padding-top: 72px;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .btn {
    padding: 0.5rem 0.875rem;
  }
  
  .login-card {
    padding: var(--spacing-lg);
  }
  
  .login-title {
    font-size: 1.5rem;
  }
  
  .toast-container {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
  }
  
  .toast {
    max-width: none;
  }
  
  /* 隐藏部分导航项 */
  .navbar-nav .hide-mobile {
    display: none;
  }
}

@media (max-width: 480px) {
  .login-page {
    padding: var(--spacing-sm);
  }
  
  .btn-block-mobile {
    display: flex;
    width: 100%;
  }
}