/* ============================================
   base64.vip - Dark Developer Theme
   Overrides Bootstrap 3 defaults
   ============================================ */

/* CSS Variables - Dark Theme (default) */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --border-muted: #21262d;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --code-font: ui-monospace, 'SF Mono', 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  --body-font: system-ui, -apple-system, 'Segoe UI', 'Noto Sans SC', sans-serif;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #e1e4e8;
  --border-color: #d0d7de;
  --border-muted: #eaeef2;
  --text-primary: #1f2328;
  --text-secondary: #656d76;
  --text-muted: #8c959f;
  --accent: #0969da;
  --accent-hover: #0550ae;
  --success: #1a7f37;
  --warning: #9a6700;
  --danger: #cf222e;
}

/* Base */
* { box-sizing: border-box; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--body-font);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { color: var(--accent-hover); text-decoration: none; }

::selection { background: rgba(88, 166, 255, 0.3); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================
   Navbar
   ============================================ */
.navbar-base64 {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  border-radius: 0;
  margin-bottom: 0;
  min-height: 48px;
  /* 下滚后悬浮置顶, 不随页面滚动离场 */
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: box-shadow 0.2s ease, background-color 0.2s ease;
}
/* 滚动离开顶部后增加阴影, 强化"悬浮"层次感 */
.navbar-base64.navbar-scrolled {
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}
.navbar-base64 .navbar-brand {
  /*font-family: var(--code-font);*/
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  padding: 14px 15px;
  height: auto;
  line-height: 1;
}
.navbar-base64 .navbar-brand .domain-suffix { color: var(--text-secondary); font-weight: 400; }
.navbar-base64 .navbar-nav { margin: 0; }
.navbar-base64 .navbar-nav > li > a {
  color: var(--text-secondary);
  font-size: 13px;
  padding: 14px 12px;
  transition: color 0.15s;
}
.navbar-base64 .navbar-nav > li > a:hover,
.navbar-base64 .navbar-nav > li > a:focus {
  color: var(--text-primary);
  background: transparent;
}
.navbar-base64 .navbar-nav > li.open > a {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.navbar-base64 .dropdown-menu {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  padding: 6px;
  min-width: 200px;
}
.navbar-base64 .dropdown-menu > li > a {
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 13px;
}
.navbar-base64 .dropdown-menu > li > a:hover,
.navbar-base64 .dropdown-menu > li > a:focus {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.navbar-base64 .dropdown-menu .dropdown-header {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 12px 4px;
}
.navbar-base64 .dropdown-divider {
  background: var(--border-muted);
  height: 1px;
  margin: 4px 0;
}

/* Nav utilities */
.nav-util {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 48px; /* 与导航栏同高, 保证垂直居中 */
}
.nav-util.navbar-right {
  float: right;
  margin-right: 0; /* 覆盖 Bootstrap 3 navbar-right 默认的 -15px, 避免超出容器右侧 */
}
.nav-util .lang-switch,
.nav-util .theme-toggle {
  font-size: 12px;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  background: transparent;
  transition: all 0.15s;
}
.nav-util .lang-switch:hover,
.nav-util .theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================
   Language Modal (多语言选择弹出层)
   ============================================ */
.lang-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}
.lang-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.lang-modal {
  width: 320px;
  max-width: calc(100vw - 32px);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transform: translateY(8px) scale(0.98);
  transition: transform 0.18s ease;
}
.lang-modal-overlay.open .lang-modal {
  transform: translateY(0) scale(1);
}
.lang-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}
.lang-modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}
.lang-modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}
.lang-modal-close:hover { color: var(--text-primary); }
.lang-modal-body { padding: 8px; }
.lang-option {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s;
}
.lang-option:hover { background: var(--bg-primary); }
.lang-option.active { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.lang-option-flag {
  width: 22px;
  text-align: center;
  font-size: 16px;
}
.lang-option-name { flex: 1; }
.lang-option-check {
  color: var(--accent);
  font-size: 14px;
  visibility: hidden;
}
.lang-option.active .lang-option-check { visibility: visible; }
.lang-option-badge {
  font-size: 11px;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 1px 6px;
  margin-left: 4px;
}

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb-base64 {
  background: transparent;
  padding: 10px 0;
  margin-bottom: 0;
  font-size: 12px;
}
.breadcrumb-base64 > li + li:before {
  content: "/";
  color: var(--text-muted);
  padding: 0 8px;
}
.breadcrumb-base64 > li a { color: var(--text-secondary); }
.breadcrumb-base64 > .active { color: var(--text-primary); }

/* ============================================
   Tool Widget
   ============================================ */
.tool-title{
  font-size: 22px; font-weight:600; margin: 10px 0 6px;
}

.tool-desp{
  font-size: 13px; color: var(--text-secondary); margin-bottom: 18px;
}

.tool-widget {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
}

.tool-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 16px;
}
.tool-tab {
  font-size: 13px;
  padding: 6px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  background: transparent;
  transition: all 0.15s;
}
.tool-tab.active {
  background: var(--bg-primary);
  border-color: var(--accent);
  color: var(--accent);
}
.tool-tab:hover:not(.active) {
  border-color: var(--text-muted);
  color: var(--text-primary);
}
.tool-tab-separator {
  flex: 1;
}
.tool-select {
  font-size: 12px;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 10px;
  background: var(--bg-secondary);
  cursor: pointer;
}
.tool-select:focus {
  outline: none;
  border-color: var(--accent);
}

.tool-textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
  color: var(--text-primary);
  font-family: var(--code-font);
  font-size: 13px;
  line-height: 1.6;
  min-height: 140px;
  resize: vertical;
  transition: border-color 0.15s;
}
.tool-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}
.tool-textarea::placeholder { color: var(--text-muted); }

.tool-output {
  color: var(--success);
}

.tool-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  padding: 6px 2px;
}
.tool-status .status-info { display: flex; gap: 16px; }
.tool-status .status-options { display: flex; gap: 12px; align-items: center; }
.tool-status label {
  margin: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}
.tool-status input[type="checkbox"] {
  accent-color: var(--accent);
}

.tool-arrow {
  text-align: center;
  color: var(--text-muted);
  font-size: 18px;
  margin: 8px 0;
}

.tool-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */
.btn-base64 {
  font-size: 13px;
  padding: 7px 18px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--body-font);
}
.btn-base64:hover {
  border-color: var(--text-muted);
  background: var(--bg-tertiary);
}
.btn-base64.btn-primary-custom {
  background: #238636;
  border-color: #2ea043;
  color: #fff;
}
.btn-base64.btn-primary-custom:hover {
  background: #2ea043;
  border-color: #3fb950;
}
[data-theme="light"] .btn-base64.btn-primary-custom {
  background: #1a7f37;
  border-color: #1a7f37;
}
.btn-base64.btn-danger-custom {
  border-color: var(--danger);
  color: var(--danger);
}
.btn-base64.btn-danger-custom:hover {
  background: rgba(248, 81, 73, 0.1);
}
.btn-base64.btn-ml-auto { margin-left: auto; }

/* ============================================
   Tool Cards Grid
   ============================================ */
.tool-cards { margin-top: 8px; }
.tool-card {
  display: block;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px 16px;
  transition: all 0.15s;
  text-decoration: none;
  height: 100%;
}
.tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.tool-card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 4px;
}
.tool-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
}
.tool-card.priority-p0 .tool-card-title { color: var(--accent); }
.tool-card.priority-p1 .tool-card-title { color: var(--text-secondary); }
.tool-card.priority-p2 .tool-card-title { color: var(--text-muted); }

/* Category header */
.category-header {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-muted);
}
.category-header:first-child { margin-top: 0; }

/* ============================================
   Sidebar
   ============================================ */
.sidebar-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.sidebar-box .box-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.related-tools-list { list-style: none; padding: 0; margin: 0; }
.related-tools-list li { margin-bottom: 8px; }
.related-tools-list a {
  font-size: 12px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================
   Ad Slot
   ============================================ */
.ad-slot {
  border: 1px dashed var(--border-color);
  border-radius: 6px;
  padding: 16px;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-secondary);
}
.ad-slot-inline {
  margin: 24px 0;
}

/* ============================================
   SEO Content
   ============================================ */
.seo-content {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-muted);
}
.seo-content h2 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: 12px;
}
.seo-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}
.seo-content .faq-item {
  margin-bottom: 16px;
}
.seo-content .faq-q {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 4px;
}
.seo-content .faq-a {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.friend-links h2{
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: 12px;
}

.friend-links ul li{display: inline-block;margin-right: 10px;list-style: none;}
.friend-links ul li a{
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

/* ============================================
   Footer
   ============================================ */
.footer-base64 {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 16px 0;
  margin-top: 48px;
}
.footer-base64 .footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-base64 .footer-links {
  display: flex;
  gap: 20px;
}
.footer-base64 .footer-links a {
  font-size: 12px;
  color: var(--text-secondary);
}
.footer-base64 .footer-links a:hover { color: var(--text-primary); }
.footer-base64 .footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   Hero Section (Homepage)
   ============================================ */
.hero-section {
  text-align: center;
  padding: 40px 0 28px;
}
.hero-title {
  font-size: 24px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.hero-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   Image Tool Specifics
   ============================================ */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.05);
}
.drop-zone-text {
  font-size: 13px;
  color: var(--text-secondary);
}
.drop-zone-icon {
  font-size: 32px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.image-preview {
  max-width: 100%;
  max-height: 300px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  margin-top: 12px;
}
.image-info {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ============================================
   Toast Notification
   ============================================ */
.toast-msg {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 20px;
  font-size: 13px;
  color: var(--text-primary);
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}
.toast-msg.toast-success { border-color: var(--success); }
.toast-msg.toast-error { border-color: var(--danger); }

/* ============================================
   Error State
   ============================================ */
.tool-textarea.error {
  border-color: var(--danger);
}
.error-msg {
  font-size: 12px;
  color: var(--danger);
  margin-top: 6px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 991px) {
  .sidebar-col { margin-top: 24px; }
  .hero-section { padding: 28px 0 20px; }
  .hero-title { font-size: 20px; }
}

@media (max-width: 767px) {
  .navbar-base64 .navbar-nav > li > a { padding: 10px 8px; }
  .navbar-base64 .navbar-nav { float: none; }
  .navbar-base64 .nav-util { float: none; margin-top: 8px; }
  .tool-widget { padding: 14px; }
  .tool-textarea { min-height: 100px; font-size: 12px; }
  .tool-actions .btn-base64 { font-size: 12px; padding: 6px 12px; }
  .hero-section { padding: 20px 0 16px; }
  .hero-title { font-size: 18px; }
  .hero-subtitle { font-size: 13px; }
  .seo-content { margin-top: 24px; padding-top: 16px; }
  .tool-cards .col-xs-6 { padding: 0 4px; }
  .tool-card { padding: 10px 12px; }
  .footer-base64 .footer-inner { flex-direction: column; text-align: center; }
}

/* ============================================
   Blog
   ============================================ */
.blog-header {
  padding: 28px 0 8px;
}
.blog-header h1 {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 6px;
}
.blog-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.blog-post-card {
  display: block;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 16px;
  transition: all 0.15s;
  text-decoration: none;
}
.blog-post-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.blog-post-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--accent);
  background: rgba(88, 166, 255, 0.1);
  border-radius: 4px;
  padding: 2px 8px;
}
.blog-post-card h2 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.blog-post-card:hover h2 { color: var(--accent); }
.blog-post-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 10px;
}
.blog-post-more {
  font-size: 12px;
  color: var(--accent);
}

/* Article detail */
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.article-body {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.85;
}
.article-body h2 {
  font-size: 17px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-muted);
}
.article-body h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 20px 0 10px;
}
.article-body p { margin-bottom: 14px; }
.article-body code {
  color: var(--accent);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--code-font);
  font-size: 13px;
}
.article-body pre {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px 16px;
  overflow-x: auto;
  margin-bottom: 14px;
}
.article-body pre code {
  background: transparent;
  padding: 0;
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.6;
}
.article-body blockquote {
  border-left: 3px solid var(--accent);
  background: var(--bg-secondary);
  margin: 0 0 14px;
  padding: 10px 16px;
  border-radius: 0 6px 6px 0;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Container override */
.container { max-width: 1140px; }

/* Bootstrap 3 overrides for dark theme */
.panel { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 8px; }
.panel-body { color: var(--text-primary); }
.well { background: var(--bg-secondary); border: 1px solid var(--border-color); }
.alert { border-radius: 6px; }
code, pre { color: var(--text-primary); background: var(--bg-primary); }
pre { border: 1px solid var(--border-color); border-radius: 6px; }
code { padding: 2px 6px; border-radius: 3px; font-family: var(--code-font); font-size: 12px; }

/* UTF-8 viewer table */
.utf8-result { margin-top: 16px; }
.utf8-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: 6px; }
.utf8-table { width: 100%; border-collapse: collapse; font-family: var(--code-font); font-size: 13px; }
.utf8-table th, .utf8-table td { padding: 7px 12px; text-align: left; border-bottom: 1px solid var(--border-color); white-space: nowrap; }
.utf8-table thead th { background: var(--bg-secondary); color: var(--text-secondary); font-weight: 600; }
.utf8-table tbody tr:hover { background: var(--bg-secondary); }
.utf8-table .utf8-char { color: var(--accent); font-weight: 600; }
.utf8-table .utf8-hex { color: var(--text-primary); }
.utf8-table .utf8-bin { color: var(--text-muted); }
.utf8-more { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.utf8-empty { margin-top: 16px; padding: 24px; text-align: center; color: var(--text-muted); font-size: 13px; border: 1px dashed var(--border-color); border-radius: 6px; }

/* Detect result bars */
.detect-result { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.detect-item { border: 1px solid var(--border-color); border-radius: 8px; padding: 12px 14px; background: var(--bg-secondary); }
.detect-item.primary { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.detect-item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.detect-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.detect-confidence { font-size: 12px; color: var(--accent); font-family: var(--code-font); }
.detect-bar { height: 6px; background: var(--bg-primary); border-radius: 3px; overflow: hidden; }
.detect-bar-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width 0.2s ease; }
.detect-note { font-size: 12px; color: var(--text-secondary); margin-top: 8px; line-height: 1.5; }
.detect-empty { margin-top: 16px; padding: 24px; text-align: center; color: var(--text-muted); font-size: 13px; border: 1px dashed var(--border-color); border-radius: 6px; }