/* 小维UID Web - 完全采用 xwld 设计和配色 */

/* Slate 色系定义 */
:root {
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --white: #ffffff;
  --red-400: #f87171;
  --red-500: #ef4444;
  --green-400: #4ade80;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
}

/* CSS 变量定义 - 浅色模式（默认） */
:root {
  /* 浅色模式为默认 - 与xwld完全一致 */
  --bg-primary: #fffbeb;
  --bg-secondary: #ffffff;           /* 纯白 - xwld bg-white */
  --bg-tertiary: #f3f4f6;            /* 浅灰 - xwld bg-gray-100 */
  --text-primary: #0f172a;           /* 深灰色 - xwld text-slate-900 */
  --text-secondary: #1e293b;         /* 深灰色 - xwld text-slate-800 */
  --text-muted: #64748b;             /* 中灰 - xwld text-slate-500 */
  --border-color: #d1d5db;           /* 浅灰色边框 - xwld border-gray-300 */
  --border-color-light: #fcd34d;     /* 金色边框 - xwld border-amber-300 */
  --input-bg: #ffffff;               /* 纯白背景 */
  --input-border: #d1d5db;           /* 浅灰色边框 */
  --card-shadow: rgba(0, 0, 0, 0.07);
  --button-bg: rgba(217, 119, 6, 0.08);
  --button-hover-bg: #d97706;        /* 金色 - xwld amber-600 */
}

/* 深色模式 */
html[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: rgba(30, 41, 59, 0.95);
  --bg-tertiary: rgba(51, 65, 85, 0.5);
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: rgba(148, 163, 184, 0.1);
  --border-color-light: rgba(148, 163, 184, 0.2);
  --input-bg: rgba(51, 65, 85, 0.5);
  --input-border: rgba(71, 85, 105, 1);
  --card-shadow: rgba(0, 0, 0, 0.3);
  --button-bg: rgba(51, 65, 85, 0.7);
  --button-hover-bg: rgba(71, 85, 105, 0.9);
}

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

html, body {
  width: 100%;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh !important;
  display: flex !important;
  flex-direction: column !important;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin: 0;
  padding: 0;
  width: 100% !important;
}

/* 导航栏 - 默认为浅色模式 */
.navbar {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(217, 119, 6, 0.15) !important;
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-logo {
  color: #0f172a !important;
}

.navbar-nav-button,
.navbar-nav-link {
  color: #1e293b !important;
}

.navbar-nav-button:hover,
.navbar-nav-link:hover {
  color: #0f172a !important;
}

.navbar-nav-button.active {
  background: #f3f4f6 !important;
  color: #0f172a !important;
}

.navbar-quota {
  color: #1e293b !important;
}

.navbar-logout-btn {
  background: rgba(239, 68, 68, 0.15) !important;
  color: #dc2626 !important;
}

/* 深色模式下导航栏调整 */
html[data-theme="dark"] .navbar {
  background: rgba(30, 41, 59, 0.5) !important;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1) !important;
}

html[data-theme="dark"] .navbar-logo {
  color: #ffffff !important;
}

html[data-theme="dark"] .navbar-nav-button,
html[data-theme="dark"] .navbar-nav-link {
  color: #cbd5e1 !important;
}

html[data-theme="dark"] .navbar-nav-button:hover,
html[data-theme="dark"] .navbar-nav-link:hover {
  color: #ffffff !important;
}

html[data-theme="dark"] .navbar-nav-button.active {
  background: rgba(51, 65, 85, 0.7) !important;
  color: #ffffff !important;
}

html[data-theme="dark"] .navbar-quota {
  color: #cbd5e1 !important;
}

html[data-theme="dark"] .navbar-logout-btn {
  background: rgba(239, 68, 68, 0.3) !important;
  color: #fca5a5 !important;
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.navbar-version {
  font-size: 0.875rem;
  font-weight: 400;
  margin-left: 0.5rem;
  opacity: 0.7;
  color: var(--text-secondary);
}

.navbar-menu-toggle {
  display: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
  order: 2;
  position: static;
  background: none;
  border: none;
  width: auto;
}

.navbar-nav-button {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: none;
  background: none;
  color: var(--slate-300);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
}

.navbar-nav-button:hover {
  color: var(--white);
}

.navbar-nav-button.active {
  background: var(--slate-700);
  color: var(--white);
}

.navbar-nav-link {
  padding: 0.5rem 1rem;
  color: var(--slate-300);
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-nav-link:hover {
  color: var(--white);
}

.navbar-logout-btn {
  padding: 0.5rem 1rem;
  background: rgba(239, 68, 68, 0.2);
  color: var(--red-400);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
}

.navbar-logout-btn:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* 主题切换按钮 - 桌面版显示在导航栏右侧 */
.navbar-theme-toggle {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: none;
  background: none;
  color: var(--slate-300);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1rem;
  order: 3;
}

.navbar-theme-toggle:hover {
  color: var(--white);
}

html[data-theme="dark"] .navbar-theme-toggle {
  color: var(--slate-300);
}

html[data-theme="dark"] .navbar-theme-toggle:hover {
  color: var(--white);
}

/* 主容器 */
.main-container {
  flex: 1 !important;
  width: 100% !important;
  max-width: 1400px !important;
  margin: 0 auto !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 1.5rem;
}

/* 登录部分 */
#login-section {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  flex: 1 !important;
}

#login-section[style*="display: none"] {
  display: none !important;
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  width: min(90%, 400px);
  box-shadow: 0 10px 40px var(--card-shadow);
}

.login-card h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-align: center;
}

.login-card .subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.login-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.github-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 8px;
}

.github-link:hover {
  color: var(--amber-500);
  background: rgba(245, 158, 11, 0.1);
}

.github-icon {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--amber-600);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.form-group input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* Select下拉框样式 */
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s;
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--amber-600);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.5rem;
}

.saved-profiles-dropdown {
  position: relative;
}

.saved-profiles-toggle {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s;
}

.dropdown-arrow {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.saved-profiles-toggle:focus {
  outline: none;
  border-color: var(--amber-600);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.saved-profiles-dropdown.open .saved-profiles-toggle {
  border-color: var(--amber-600);
}

.saved-profiles-menu {
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: var(--card-shadow);
  max-height: 320px;
  overflow-y: auto;
  display: none;
  z-index: 20;
}

.saved-profiles-dropdown.open .saved-profiles-menu {
  display: block;
}

.saved-profile-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.saved-profile-item:last-child {
  border-bottom: none;
}

.saved-profile-select {
  flex: 1;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0;
}

.saved-profile-select:hover {
  color: var(--amber-400);
}

.saved-profile-delete {
  border: none;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
  font-size: 0.85rem;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  transition: background 0.2s;
}

.saved-profile-delete:hover {
  background: rgba(239, 68, 68, 0.25);
}

.saved-profile-empty {
  padding: 1rem;
  color: var(--text-secondary);
  text-align: center;
  font-size: 0.95rem;
}

/* 按钮 */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

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

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 119, 6, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--amber-600);
  border: 1.5px solid var(--amber-500);
  box-shadow: none;
}

.btn-outline:hover:not(:disabled) {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--amber-600);
  color: var(--amber-600);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.2);
}

html[data-theme="dark"] .btn-outline {
  color: var(--amber-500);
  border-color: var(--amber-500);
}

html[data-theme="dark"] .btn-outline:hover:not(:disabled) {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--amber-400);
  color: var(--amber-400);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color-light);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(71, 85, 105, 0.7);
  color: var(--text-primary);
}

/* 清空历史按钮 */
.btn-clear-history {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  width: auto;
  min-width: auto;
  box-shadow: none;
}

.btn-clear-history:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--red-500);
  color: var(--red-500);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.2);
}

html[data-theme="dark"] .btn-clear-history {
  color: var(--text-secondary);
  border-color: var(--border-color);
}

html[data-theme="dark"] .btn-clear-history:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  color: #ef4444;
}

.btn-logout {
  background: rgba(239, 68, 68, 0.2);
  color: var(--red-400);
  padding: 0.5rem 1rem;
}

.btn-logout:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.3);
}

/* 主界面 */
.main-section {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: none !important;
  flex: 1 1 auto;
  align-self: stretch;
}

.main-section[style*="display: block"] {
  display: block !important;
}

/* 用户信息区 - PC端默认 */
.user-info-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.85rem;
  margin-bottom: 1rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* PC端：4列 */
  gap: 0.75rem;
}

.user-info-section .form-group {
  margin-bottom: 0;
  grid-column: span 1; /* PC端：每个元素占1列 */
}

/* 公告区 */
.announcement-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-light);
  border-radius: 12px;
  padding: 0;
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px var(--card-shadow);
}

.announcement-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  padding: 0.6rem 0.85rem;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(245, 158, 11, 0.02) 100%);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease;
}

.announcement-header:hover {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.announcement-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.announcement-toggle,
.features-toggle,
.help-toggle {
  font-size: 1.35rem;
  color: var(--amber-500);
  transition: transform 0.3s ease;
  display: inline-flex;
  align-items: center;
}

.announcement-collapsed .announcement-toggle {
  transform: rotate(-90deg);
}

.announcement-content {
  padding: 0.75rem 0.85rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-height: 500px;
  overflow-y: auto;
  animation: slideDown 0.3s ease-out;
  text-align: center;
}

.announcement-content p {
  margin: 0;
  word-break: break-word;
  font-size: 0.95rem;
}

/* 公告中的重要文字 */
.announcement-content .important {
  color: #ef4444;
  font-weight: 700;
  padding: 0 0.25rem;
}

.announcement-content .warning {
  color: #f59e0b;
  font-weight: 600;
}

.announcement-content .highlight {
  background: rgba(245, 158, 11, 0.2);
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
}

.announcement-collapsed .announcement-content {
  display: none;
  animation: slideUp 0.3s ease-out;
}

/* 帮助图片 */
.help-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-light);
  border-radius: 12px;
  padding: 0;
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px var(--card-shadow);
}

.help-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  padding: 0.6rem 0.85rem;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(245, 158, 11, 0.02) 100%);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease;
}

.help-header:hover {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.help-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.help-collapsed .help-toggle {
  transform: rotate(-90deg);
}

.help-content {
  padding: 0.75rem 0.85rem;
  text-align: center;
  animation: slideDown 0.3s ease-out;
}

.help-image {
  max-width: 100%;
  max-height: 800px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.help-image:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--card-shadow);
}

.help-info-text {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  text-align: left;
}

.help-info-text p {
  margin: 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.help-info-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.help-link {
  color: var(--amber-500);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}

.help-link:hover {
  color: var(--amber-600);
  border-bottom-color: var(--amber-500);
}

.help-collapsed .help-content {
  display: none;
  animation: slideUp 0.3s ease-out;
}

/* 命令输入 */
.command-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.command-input-wrapper {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  align-items: stretch;
}

.command-input-wrapper input {
  flex: 1;
  padding: 0.875rem 1rem;
  background: var(--input-bg);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.command-input-wrapper input:focus {
  border-color: var(--amber-500);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1), 0 2px 8px rgba(0, 0, 0, 0.08);
}

.command-input-wrapper input:hover:not(:focus) {
  border-color: var(--amber-500);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.command-input-wrapper input::placeholder {
  color: var(--text-muted);
}

.command-input-wrapper .btn {
  width: auto;
  min-width: 80px;
  padding: 0.875rem 1.5rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.command-input-wrapper .btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

.command-input-wrapper .btn:active:not(:disabled) {
  transform: translateY(0);
}

.command-error {
  padding: 0.75rem 1rem;
  background: rgba(239, 68, 68, 0.15);
  color: var(--red-500);
  border: 1px solid var(--red-500);
  border-radius: 8px;
  font-size: 0.95rem;
  display: none;
}

.command-error.show {
  display: block;
}

/* 功能按钮区域 */
.features-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.6rem 0.85rem 0.75rem 0.85rem;
}

.features-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  margin-bottom: 0.55rem;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  transition: background 0.2s;
}

.features-header:hover {
  background: var(--bg-tertiary);
}

.features-toggle.rotated {
  transform: rotate(-180deg);
}

/* 功能按钮网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  max-height: 2000px;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.features-grid.features-collapsed {
  /* 显示半行按钮: (按钮高度 + gap) * 0.5，让用户知道能展开 */
  max-height: calc((60px + 0.75rem) * 0.5);
  overflow: hidden;
}

.btn-feature {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-light);
  color: var(--text-secondary);
  padding: 0.85rem 0.75rem;
  border-radius: 8px;
  transition: all 0.3s;
  font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.btn-feature:hover:not(:disabled) {
  background: var(--button-hover-bg);
  color: var(--text-primary);
  border-color: var(--amber-500);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--card-shadow);
}

/* 链接类型按钮特殊样式 */
.btn-feature-link {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.05) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
  position: relative;
}

.btn-feature-link:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(37, 99, 235, 0.15) 100%);
  border-color: rgba(59, 130, 246, 0.6);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* 深色模式下的链接按钮 */
html[data-theme="dark"] .btn-feature-link {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.08) 100%);
  border-color: rgba(59, 130, 246, 0.4);
}

html[data-theme="dark"] .btn-feature-link:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25) 0%, rgba(37, 99, 235, 0.18) 100%);
  border-color: rgba(59, 130, 246, 0.7);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* 高级解锁功能按钮 */
.btn-feature.advanced-unlocked {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(251, 191, 36, 0.1) 100%);
  border: 1.5px solid rgba(245, 158, 11, 0.6);
  color: var(--text-primary);
  position: relative;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.15);
}

.btn-feature.advanced-unlocked::before {
  content: '';
}

.btn-feature.advanced-unlocked:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.25) 0%, rgba(251, 191, 36, 0.18) 100%);
  border-color: rgba(217, 119, 6, 0.85);
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35), 0 2px 8px rgba(251, 191, 36, 0.2);
  transform: translateY(-1px);
}

/* 深色模式下的高级解锁按钮 - 深灰色 */
html[data-theme="dark"] .btn-feature.advanced-unlocked {
  background: linear-gradient(135deg, rgba(71, 85, 105, 0.4) 0%, rgba(51, 65, 85, 0.3) 100%);
  border-color: rgba(100, 116, 139, 0.7);
}

html[data-theme="dark"] .btn-feature.advanced-unlocked::before {
  color: #94a3b8;
}

html[data-theme="dark"] .btn-feature.advanced-unlocked:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(71, 85, 105, 0.55) 0%, rgba(51, 65, 85, 0.45) 100%);
  border-color: rgba(148, 163, 184, 0.85);
  box-shadow: 0 4px 12px rgba(51, 65, 85, 0.5);
}

/* 结果区 */
.result-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
}

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

.result-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.result-count {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.result-content {
  min-height: 600px;
  max-height: 2000px;
  overflow-y: auto;
}

.result-item {
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 0;
  margin-bottom: 1rem;
  transition: all 0.3s;
}

.result-item:hover {
  opacity: 0.95;
}

/* 对话式布局 */
.result-message-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 机器人回复（左侧） */
.result-bot-message {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.result-bot-avatar {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 用户命令（右侧） */
.result-user-message {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.75rem;
}

.result-user-bubble {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.875rem 1rem;
  max-width: 70%;
  word-break: break-word;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.result-bot-bubble {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.05) 100%);
  border: 1px solid var(--border-color-light);
  border-radius: 12px;
  padding: 1rem;
  max-width: 70%;
  word-break: break-word;
}

.result-bot-bubble.text-result {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.result-bot-bubble.image-result {
  padding: 0.5rem;
}

.result-bot-bubble.file-result {
  padding: 0.75rem 1rem;
}

.result-time {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0.75rem 0 0.25rem 0;
  opacity: 0.7;
}

.result-data {
  width: 100%;
  color: var(--text-secondary);
  word-break: break-word;
  font-size: 0.9rem;
}

.result-data pre {
  color: var(--text-secondary);
  background: var(--input-bg);
  padding: 0.75rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.4;
}

.result-data img {
  max-width: 50%;
  max-height: 500px;
  border-radius: 8px;
  margin: 0;
  display: block;
}

.result-data a,
.result-download-btn {
  display: inline-block;
  color: var(--amber-500);
  text-decoration: none;
  padding: 0.5rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--amber-500);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
}

.result-data a:hover,
.result-download-btn:hover {
  color: #ffffff;
  background: var(--amber-500);
  border-color: var(--amber-500);
}

/* 结果图片样式 */
.result-image {
  max-width: 600px;
  max-height: 400px;
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.result-image:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transform: scale(1.02);
}

/* Node转发消息样式 */
.node-messages-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  margin: 0.15rem 0;
}

.node-messages-header {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
  padding: 0.4rem 0.75rem;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.node-messages-content {
  padding: 0.25rem;
  max-height: 30vh;
  overflow-y: auto;
}

.node-message-item {
  background: var(--bg-tertiary);
  border-left: 2px solid var(--amber-500);
  border-radius: 4px;
  padding: 0.3rem 0.5rem;
  margin-bottom: 0.1rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.node-message-item:last-child {
  margin-bottom: 0;
}

.node-message-text {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.3;
  word-break: break-word;
  flex: 1;
  min-width: 0;
}

.node-message-file,
.node-message-other {
  color: var(--text-muted);
  font-size: 0.75rem;
  flex: 1;
  min-width: 0;
}

.node-message-image {
  max-width: 300px;
  max-height: 200px;
  border-radius: 4px;
  cursor: pointer;
  object-fit: cover;
  transition: opacity 0.2s;
}

.node-message-image:hover {
  opacity: 0.8;
}

/* 当node-message-item只包含图片时，不使用flex对齐 */
.node-message-item:has(.node-message-image) {
  display: block;
  padding: 0.25rem;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 1.5rem;
  font-size: 0.95rem;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.pagination button {
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color-light);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
}

.pagination button:hover:not(:disabled) {
  background: rgba(71, 85, 105, 0.7);
  color: var(--text-primary);
  border-color: var(--amber-500);
}

.pagination button.active {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  border-color: var(--amber-500);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 主题切换 */
.theme-toggle {
  padding: 0.5rem 0.75rem;
  background: rgba(51, 65, 85, 0.5);
  color: var(--text-secondary);
  border: 1px solid var(--border-color-light);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 1rem;
  display: flex;
  align-items: center;
}

.theme-toggle:hover {
  background: rgba(71, 85, 105, 0.7);
  color: var(--text-primary);
  border-color: var(--amber-500);
}

/* 通知 */
.notification {
  position: fixed;
  top: 5rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-light);
  border-radius: 8px;
  color: var(--text-primary);
  box-shadow: 0 4px 12px var(--card-shadow);
  z-index: 1001;
  animation: slideInRight 0.3s ease;
  max-width: 300px;
}

.notification.success {
  background: rgba(74, 222, 128, 0.95);
  border-color: var(--green-400);
  color: #ffffff;
  font-weight: 500;
}

.notification.error {
  background: rgba(239, 68, 68, 0.95);
  border-color: var(--red-500);
  color: #ffffff;
  font-weight: 500;
}

.notification.warning {
  background: rgba(245, 158, 11, 0.95);
  border-color: var(--amber-500);
  color: #ffffff;
  font-weight: 500;
}

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

/* 加载状态 */
.loading-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 图片放大modal */
.image-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease-in-out;
}

.image-modal.show {
  display: flex;
}

.image-modal-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-modal img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  animation: zoomIn 0.3s ease-in-out;
}

.image-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 1001;
}

.image-modal-close:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.1);
}

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

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: auto;
}

/* 竖屏PC优化：放开内容高度限制 */
@media (min-width: 769px) and (orientation: portrait) {
  .main-container {
    justify-content: flex-start !important;
    align-items: stretch !important;
  }

  .announcement-content,
  .features-grid,
  .result-content,
  .node-messages-content {
    max-height: none;
    overflow: visible;
  }

  .result-content {
    min-height: 600px;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar {
    padding: 0.5rem 0.65rem;
  }

  .main-container {
    padding: 0.5rem;
  }

  .login-card {
    padding: 1rem 0.75rem;
  }

  /* 移动端：重写用户信息区布局 */
  .user-info-section {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)); /* 3列（快速选择 + 用户ID + 昵称） */
    gap: 0.4rem;
    padding: 0.6rem;
    margin-bottom: 0.5rem;
  }

  .user-info-section .form-group {
    margin-bottom: 0;
    min-width: 0; /* 允许grid子元素缩小 */
  }

  /* 前三个元素各占一列（快速选择、用户ID、昵称） */
  .user-info-section .form-group:nth-child(1),
  .user-info-section .form-group:nth-child(2),
  .user-info-section .form-group:nth-child(3) {
    grid-column: span 1;
  }

  /* 第四个元素（高级密钥）占满整行 */
  .user-info-section .form-group:nth-child(4) {
    grid-column: 1 / -1; /* 从第1列到最后一列 */
  }

  /* 调整字体和间距 */
  .user-info-section .form-group label {
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
    display: block;
  }

  .user-info-section .form-group input,
  .user-info-section .form-group select {
    padding: 0.5rem 0.4rem;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box; /* 确保padding不会导致溢出 */
  }

  .command-input-wrapper {
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.35rem;
  }

  .command-input-wrapper input {
    padding: 0.6rem 0.8rem;
    font-size: 16px;  /* 防止iOS自动缩放 */
    border-radius: 8px;
    min-height: 40px;  /* 移动设备最小可触碰高度 */
  }

  .command-input-wrapper input:focus {
    border-color: var(--amber-500);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.1);
  }

  .command-input-wrapper .btn {
    width: 100%;
    padding: 0.65rem;
    min-height: 40px;
    font-size: 0.95rem;
  }

  .user-info-section {
    padding: 0.6rem;
    margin-bottom: 0.5rem;
    gap: 0.45rem;
    grid-template-columns: 1fr 1fr;
  }

  .user-info-section .form-group:nth-child(3) {
    grid-column: 1 / -1;
  }

  .announcement-section {
    margin-bottom: 0.5rem;
  }

  .announcement-header {
    padding: 0.75rem 0.9rem;
  }

  .announcement-content {
    padding: 0.75rem 0.9rem;
  }

  .command-section {
    padding: 0.65rem;
    margin-bottom: 0.5rem;
  }

  .features-section {
    padding: 0.65rem;
  }

  .features-header {
    padding: 0.4rem;
    margin-bottom: 0.6rem;
  }

  .features-grid {
    grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    gap: 0.45rem;
  }

  .btn-feature {
    padding: 0.65rem 0.4rem;
    font-size: clamp(0.75rem, 2.8vw, 0.9rem);
  }

  .result-section {
    padding: 0.65rem 0.55rem;
  }

  .result-header {
    margin-bottom: 0.7rem;
    padding: 0;
  }

  .result-header h3 {
    font-size: 1.05rem;
  }

  .result-item {
    margin-bottom: 0.6rem;
  }

  .result-bot-message,
  .result-user-message {
    margin-bottom: 0.5rem;
  }

  .navbar-container {
    flex-direction: row;
    gap: 0;
    position: relative;
  }

  .navbar-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: 0;
    order: 3;
  }

  html[data-theme="dark"] .navbar-menu-toggle {
    color: var(--text-primary);
  }

  .navbar-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    margin-left: auto;
    margin-right: 0;
    border-radius: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    order: 2;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    gap: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 0;
    z-index: 100;
  }

  .navbar-nav.show {
    display: flex;
  }

  .navbar-nav-link,
  .navbar-nav-button,
  .navbar-logout-btn {
    border-radius: 0;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  .navbar-nav-link:last-child,
  .navbar-logout-btn {
    border-bottom: none;
  }

  .navbar-nav-link {
    display: block;
  }

  .navbar-nav-button {
    background: none;
    border: none;
  }

  .navbar-logout-btn {
    background: none;
  }

  .notification {
    right: 0.5rem;
    left: 0.5rem;
    max-width: none;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  .result-content {
    min-height: 400px;
    max-height: 1500px;
  }

  .result-image {
    max-width: 100%;
    max-height: 300px;
  }

  .footer {
    padding: 1rem 1.5rem;
    font-size: 0.85rem;
  }

  .announcement-header {
    padding: 0.75rem 1rem;
  }

  .announcement-content {
    padding: 1rem;
    font-size: 0.9rem;
  }

  .help-header {
    padding: 0.75rem 1rem;
  }

  .help-content {
    padding: 1rem;
  }

  .help-image {
    max-height: 600px;
  }

  .help-info-text {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
  }

  .help-info-text p {
    margin: 0.35rem 0;
    font-size: 0.9rem;
  }
}

/* 网格模式 */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

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

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

.text-secondary {
  color: var(--text-secondary);
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }

/* ============================================
   浮动装饰元素 - 完全模仿xwld样式
   ============================================ */

/* 叶子浮动动画 */
@keyframes float-leaf {
  0% {
    transform: translateY(0px) translateX(0px) rotateZ(0deg);
    opacity: 0.8;
  }
  25% {
    transform: translateY(-15px) translateX(8px) rotateZ(8deg);
  }
  50% {
    transform: translateY(-20px) translateX(0px) rotateZ(0deg);
    opacity: 1;
  }
  75% {
    transform: translateY(-10px) translateX(-8px) rotateZ(-8deg);
  }
  100% {
    transform: translateY(0px) translateX(0px) rotateZ(0deg);
    opacity: 0.8;
  }
}

/* 左侧漂移动画 */
@keyframes drift-left {
  0% {
    transform: translateX(0) translateY(0) rotate(0deg);
    opacity: 0.1;
  }
  50% {
    transform: translateX(-30px) translateY(-20px) rotate(10deg);
    opacity: 0.2;
  }
  100% {
    transform: translateX(0) translateY(-40px) rotate(-5deg);
    opacity: 0.1;
  }
}

/* 右侧漂移动画 */
@keyframes drift-right {
  0% {
    transform: translateX(0) translateY(0) rotate(0deg);
    opacity: 0.1;
  }
  50% {
    transform: translateX(30px) translateY(-20px) rotate(-10deg);
    opacity: 0.2;
  }
  100% {
    transform: translateX(0) translateY(-40px) rotate(5deg);
    opacity: 0.1;
  }
}

/* 温和浮动动画 */
@keyframes slow-float {
  0%, 100% {
    transform: translateY(0px);
    opacity: 0.12;
  }
  50% {
    transform: translateY(-15px);
    opacity: 0.2;
  }
}

/* 浮动装饰元素容器 */
.floating-decoration {
  position: fixed;
  pointer-events: none;
  z-index: 1;
  font-size: 24px;
  opacity: 0.15;
}

/* 左侧浮动元素 */
.float-left {
  animation: drift-left 8s ease-in-out infinite;
}

/* 右侧浮动元素 */
.float-right {
  animation: drift-right 8s ease-in-out infinite;
}

/* 温和浮动 */
.float-gentle {
  animation: slow-float 6s ease-in-out infinite;
}