/* ============================================================
 * 小黑窝聊天室 - 样式表
 * ============================================================
 *
 * 架构分层：
 *   1. 设计 Token（基础变量）
 *   2. 语义 Token（用途变量）
 *   3. 基础重置
 *   4. 通用组件
 *   5. 布局组件
 *   6. 业务组件
 *   7. 动画与工具类
 *   8. 深色模式覆盖
 * ============================================================ */

/* ============================================================
 * 1. 设计 Token - 基础色板 / 间距 / 圆角 / 阴影 / 字体 / 过渡
 * ============================================================ */
:root {
    /* --- 品牌色 --- */
    --color-primary-50:  #F0FDF4;
    --color-primary-100: #DCFCE7;
    --color-primary-200: #BBF7D0;
    --color-primary-300: #86EFAC;
    --color-primary-400: #4ADE80;
    --color-primary-500: #22C55E;
    --color-primary-600: #16A34A;
    --color-primary-700: #15803D;
    --color-primary-800: #166534;
    --color-primary-900: #14532D;
    --color-primary-rgb:  34, 197, 94;

    /* --- 渐变色 --- */
    --color-gradient-start: #6366F1;
    --color-gradient-mid:   #22C55E;
    --color-gradient-end:   #10B981;

    /* --- 中性色 --- */
    --color-gray-50:  #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-gray-950: #0A0A0A;

    /* --- 强调色 / 功能色 --- */
    --color-accent:   #F59E0B;
    --color-success:  #22C55E;
    --color-error:    #EF4444;
    --color-warning:  #F59E0B;
    --color-info:     #3B82F6;
    --color-purple:   #8B5CF6;
    --color-pink:     #EC4899;
    --color-cyan:     #06B6D4;

    /* --- 间距 Scale (4px base) --- */
    --space-1:  4px;
    --space-2:  8px;
    --space-3:  12px;
    --space-4:  16px;
    --space-5:  20px;
    --space-6:  24px;
    --space-7:  28px;
    --space-8:  32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-14: 56px;
    --space-16: 64px;

    /* --- 圆角 Scale --- */
    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   16px;
    --radius-xl:   20px;
    --radius-2xl:  24px;
    --radius-3xl:  32px;
    --radius-pill: 9999px;
    --radius-full: 50%;

    /* --- 阴影 Scale --- */
    --shadow-xs:  0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-sm:  0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(var(--color-primary-rgb), 0.12);

    /* --- 字体 --- */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --font-size-xs:   11px;
    --font-size-sm:   13px;
    --font-size-md:   15px;
    --font-size-lg:   16px;
    --font-size-xl:   18px;
    --font-size-2xl:  20px;
    --font-size-3xl:  24px;
    --font-weight-regular: 400;
    --font-weight-medium:  500;
    --font-weight-semibold: 600;
    --font-weight-bold:    700;
    --font-weight-extrabold: 800;
    --line-height-tight:   1.4;
    --line-height-normal:  1.5;
    --line-height-relaxed: 1.6;

    /* --- 过渡曲线 --- */
    --ease-out: cubic-bezier(.4, 0, .2, 1);
    --ease-in:  cubic-bezier(.4, 0, 1, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast:   0.15s var(--ease-out);
    --transition-normal: 0.25s var(--ease-out);
    --transition-slow:   0.4s  var(--ease-out);
    --transition-bounce: 0.3s var(--ease-bounce);

    /* ============================================================
     * 2. 语义 Token - 按用途命名的变量
     * ============================================================ */

    /* 背景 */
    --bg-app:            var(--color-gray-50);
    --bg-surface:        rgba(255, 255, 255, 0.85);
    --bg-surface-alt:    rgba(255, 255, 255, 0.6);
    --bg-popup:          rgba(255, 255, 255, 0.95);
    --bg-hover:          rgba(0, 0, 0, 0.03);
    --bg-active:         rgba(var(--color-primary-rgb), 0.06);
    --bg-overlay:        rgba(15, 23, 42, 0.55);
    --bg-blur:           rgba(255, 255, 255, 0.7);

    /* 文字 */
    --text-primary:      var(--color-gray-900);
    --text-secondary:    var(--color-gray-600);
    --text-tertiary:     var(--color-gray-400);
    --text-disabled:     var(--color-gray-300);
    --text-inverse:      #FFFFFF;
    --text-link:         var(--color-primary-600);

    /* 边框与分隔线 */
    --border:            rgba(0, 0, 0, 0.06);
    --border-light:      rgba(0, 0, 0, 0.03);
    --border-focus:      var(--color-primary-500);

    /* 品牌主色 */
    --primary:           var(--color-primary-500);
    --primary-hover:     var(--color-primary-600);
    --primary-active:    var(--color-primary-700);
    --primary-light:     var(--color-primary-100);
    --primary-glow:      rgba(var(--color-primary-rgb), 0.15);

    /* 功能色 */
    --success: var(--color-success);
    --error:   var(--color-error);
    --warning: var(--color-warning);
    --info:    var(--color-info);
    --accent:  var(--color-accent);
    --purple:  var(--color-purple);
    --pink:    var(--color-pink);
    --cyan:    var(--color-cyan);

    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    --gradient-warm:    linear-gradient(135deg, #F59E0B 0%, #EF4444 50%, #EC4899 100%);
    --gradient-cool:    linear-gradient(135deg, #6366F1 0%, #06B6D4 50%, #22C55E 100%);
    --gradient-soft:    linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);

    /* 旧变量名兼容（逐步迁移用，不推荐新代码使用） */
    --primary-color:  var(--primary);
    --primary-dark:   var(--primary-active);
    --primary-light:  var(--primary-light);
    --primary-rgb:    var(--color-primary-rgb);
    --background-color: var(--bg-app);
    --surface-color:    var(--bg-surface);
    --surface-light:    var(--bg-surface-alt);
    --text-color:       var(--text-primary);
    --text-light:       var(--text-secondary);
    --text-muted:       var(--text-tertiary);
    --border-color:     var(--border);
    --border-light:     var(--border-light);
    --accent-color:     var(--accent);
    --success-color:    var(--success);
    --error-color:      var(--error);
    --warning-color:    var(--warning);
    --info-color:       var(--info);

    --spacing-xs: var(--space-1);
    --spacing-sm: var(--space-2);
    --spacing-md: var(--space-4);
    --spacing-lg: var(--space-6);
    --spacing-xl: var(--space-8);

    --border-radius-sm:   var(--radius-sm);
    --border-radius-md:   var(--radius-md);
    --border-radius-lg:   var(--radius-lg);
    --border-radius-xl:   var(--radius-xl);
    --border-radius-full: var(--radius-full);

    --shadow-sm: var(--shadow-sm);
    --shadow-md: var(--shadow-md);
    --shadow-lg: var(--shadow-lg);
    --shadow-xl: var(--shadow-xl);

    --transition-fast:   var(--transition-fast);
    --transition-normal: var(--transition-normal);
    --transition-slow:   var(--transition-slow);
}
[data-theme="dark"] {
    --bg-app:    #1A1A1A;
    --bg-surface: #2A2A2A;
    --bg-surface-alt: #333333;
    --bg-popup:  #2A2A2A;
    --bg-hover:  #333333;

    --text-primary:    #FFFFFF;
    --text-secondary:  #BBBBBB;
    --text-tertiary:   #888888;
    --text-inverse:    #000000;

    --border:       #333333;
    --border-light: #333333;

    --primary:        #52C41A;
    --primary-hover:  #389E0D;
    --primary-active: #237804;
}
[data-theme="dark"] .navbar {
    background-color: #2A2A2A;
    border-bottom: 1px solid #333333;
    color: #FFFFFF;
}
[data-theme="dark"] .logo {
    color: #FFFFFF;
}
[data-theme="dark"] .room-info {
    color: #FFFFFF;
}
[data-theme="dark"] .user-info:hover {
    background-color: #333333;
}
[data-theme="dark"] .sidebar {
    background-color: #2A2A2A;
    border-right: 1px solid #333333;
}
[data-theme="dark"] .sidebar.right-sidebar {
    border-right: none;
    border-left: 1px solid #333333;
}
[data-theme="dark"] .sidebar-header {
    background-color: #333333;
    border-bottom: 1px solid #333333;
}
[data-theme="dark"] .sidebar-header h3 {
    color: #FFFFFF;
}
[data-theme="dark"] .user-list li:hover {
    background-color: #333333;
}
[data-theme="dark"] .user-list .user-name {
    color: #FFFFFF;
}
[data-theme="dark"] .room-item:hover {
    background-color: #333333;
}
[data-theme="dark"] .room-item {
    color: #FFFFFF;
}
[data-theme="dark"] .room-item.active {
    background-color: #1A3A1A;
    color: #52C41A;
}
[data-theme="dark"] .chat-area {
    background-color: #1A1A1A;
    background-image: none;
}
[data-theme="dark"] .message-sender {
    color: #BBBBBB;
}
[data-theme="dark"] .message-time {
    color: #666666;
}
[data-theme="dark"] .message-text {
    background-color: #333333;
    color: #FFFFFF;
    border: 1px solid #444444;
}
[data-theme="dark"] .message-text::before {
    border-top-color: #444444;
    border-right-color: #333333;
}
[data-theme="dark"] .message.own .message-text {
    background-color: #52C41A;
    color: #000000;
}
[data-theme="dark"] .message.own .message-text::before {
    border-top-color: #52C41A;
    border-left-color: #52C41A;
}
[data-theme="dark"] .input-area {
    background-color: #2A2A2A;
    border-top: 1px solid #333333;
}
[data-theme="dark"] #messageInput {
    background-color: #333333;
    border: 1px solid #444444;
    color: #FFFFFF;
}
[data-theme="dark"] #messageInput::placeholder {
    color: #666666;
}
[data-theme="dark"] .input-tools .btn {
    color: #BBBBBB;
}
[data-theme="dark"] .input-tools .btn:hover {
    background-color: #333333;
    color: #FFFFFF;
}
[data-theme="dark"] .modal-content {
    background-color: #2A2A2A;
    border: 1px solid #333333;
}
[data-theme="dark"] .modal-header {
    background: linear-gradient(135deg, #52C41A 0%, #389E0D 100%);
}
[data-theme="dark"] .form-group label {
    color: #BBBBBB;
}
[data-theme="dark"] .form-group input[type="text"],
[data-theme="dark"] .form-group input[type="password"],
[data-theme="dark"] .form-group input[type="email"] {
    background-color: #333333;
    border: 1px solid #444444;
    color: #FFFFFF;
}
[data-theme="dark"] .form-group input[type="text"]::placeholder,
[data-theme="dark"] .form-group input[type="password"]::placeholder,
[data-theme="dark"] .form-group input[type="email"]::placeholder {
    color: #666666;
}
[data-theme="dark"] .auth-tabs {
    border-bottom: 1px solid #333333;
}
[data-theme="dark"] .auth-tab {
    color: #BBBBBB;
}
[data-theme="dark"] .auth-tab.active {
    color: #52C41A;
    border-bottom-color: #52C41A;
}
[data-theme="dark"] .btn-secondary {
    background-color: #333333;
    color: #FFFFFF;
    border: 1px solid #444444;
}
[data-theme="dark"] .btn-secondary:hover {
    background-color: #444444;
}
[data-theme="dark"] .system-info {
    background-color: rgba(82, 196, 26, 0.1);
    color: #BBBBBB;
}
[data-theme="dark"] ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: #1A1A1A;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #444444;
    border-radius: 3px;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #555555;
}
/* ============================================================
 * 3. 基础重置 & 全局样式
 * ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background-color: var(--bg-app);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}
a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--primary);
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
.loading.hidden {
    opacity: 0;
    visibility: hidden;
}
.loading-gif {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: bounce 1s infinite alternate;
}
.loading-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}
.loading-text {
    margin-top: 20px;
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    font-weight: bold;
}
.modal {
    display: none;
    justify-content: center;
    align-items: center;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background-color: var(--bg-overlay);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: fadeIn var(--transition-normal);
    padding: 16px;
    box-sizing: border-box;
    overflow-y: auto;
}
.modal-content {
    background-color: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 380px;
    max-height: calc(100vh - 48px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn var(--transition-normal);
    margin: auto;
    border: 1px solid #E8E8E8;
}
.modal-header {
    background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
    color: #FFFFFF;
    padding: 24px var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: var(--font-weight-bold);
}
.close {
    color: var(--text-inverse);
    font-size: 28px;
    font-weight: var(--font-weight-regular);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    z-index: 1;
}
.close:hover {
    transform: rotate(90deg);
    background: rgba(255, 255, 255, 0.15);
}
.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}
.form-group {
    margin-bottom: var(--space-6);
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: var(--font-weight-medium);
    color: #666666;
    font-size: 14px;
}
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #D9D9D9;
    border-radius: 4px;
    font-size: 15px;
    transition: all var(--transition-fast);
    background-color: #FFFFFF;
    color: #1a1a1a;
    font-family: inherit;
    box-sizing: border-box;
}
.form-group input[type="text"]::placeholder,
.form-group input[type="password"]::placeholder,
.form-group input[type="email"]::placeholder {
    color: #BBBBBB;
}
.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.1);
}
.auth-tabs {
    display: flex;
    margin-bottom: var(--space-6);
    border-bottom: 1px solid #E8E8E8;
}
.auth-tab {
    flex: 1;
    padding: 10px var(--space-4);
    background: transparent;
    border: none;
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: #666666;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.auth-tab:hover {
    color: var(--primary);
}
.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.login-methods {
    display: flex;
    gap: 6px;
    margin-bottom: var(--space-4);
    padding: 5px;
    background: var(--bg-surface-alt);
    border-radius: var(--radius-md);
}
.login-method-btn {
    flex: 1;
    padding: 8px var(--space-2);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    font-weight: var(--font-weight-medium);
}
.login-method-btn:hover {
    color: var(--primary);
}
.login-method-btn.active {
    background: var(--bg-surface);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.code-input-row {
    display: flex;
    gap: var(--spacing-sm);
}
.code-input-row input {
    flex: 1;
}
.code-btn {
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}
.code-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
.human-verify {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}
.human-verify canvas {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: var(--surface-color);
}
.human-verify canvas.verified {
    border-color: var(--success-color);
}
.verify-hint {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}
.auth-form {
    display: none;
}
.auth-form.active {
    display: block;
}
.avatar-selector {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.avatar-option {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid var(--border-color);
    transition: all var(--transition-fast);
}
.avatar-option:hover {
    transform: scale(1.1);
    border-color: var(--primary-light);
}
.avatar-option.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.3);
}
.avatar-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* ============================================================
 * 5. 布局组件 - 导航栏 / 侧边栏 / 主内容区
 * ============================================================ */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--bg-app);
}
.navbar {
    background: #FFFFFF;
    color: #1a1a1a;
    padding: 0 var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 52px;
    flex-shrink: 0;
    flex-wrap: nowrap;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    z-index: 100;
    position: relative;
    border-bottom: 1px solid #E8E8E8;
}
.navbar-left, .navbar-center, .navbar-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    z-index: 1;
}
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: #1a1a1a;
}
.logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
}
.room-info {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: #1a1a1a;
}
.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-right: var(--space-4);
    padding: 2px 8px 2px 4px;
    border-radius: 6px;
    cursor: pointer;
}
.user-info:hover {
    background-color: #F5F5F5;
}
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-light);
}
.status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.status.online {
    background-color: var(--success);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.3);
}
.status.away {
    background-color: var(--warning);
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.3);
}
.status.offline {
    background-color: var(--text-tertiary);
    box-shadow: 0 0 0 2px rgba(107, 114, 128, 0.3);
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 8px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    font-family: inherit;
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.btn:hover {
    opacity: 0.9;
}
.btn:active {
    opacity: 0.8;
}
.btn-primary {
    background-color: var(--primary);
    color: #FFFFFF;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}
.btn-secondary {
    background-color: #FFFFFF;
    color: #333333;
    border: 1px solid #D9D9D9;
}
.btn-secondary:hover {
    background-color: #F5F5F5;
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #F57C00 100%);
    color: var(--text-inverse);
    box-shadow: 0 2px 8px rgba(255, 152, 0, 0.25);
}
.btn-accent:hover {
    filter: brightness(1.06);
    box-shadow: 0 4px 14px rgba(255, 152, 0, 0.35);
}
.btn-icon {
    background: transparent;
    color: currentColor;
    padding: 8px;
    border-radius: var(--radius-md);
    width: auto;
    height: auto;
    min-width: 0;
}
.btn-icon:hover {
    background-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-1px);
}
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}
.sidebar {
    background-color: #FFFFFF;
    border-right: 1px solid #E8E8E8;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}
.sidebar.right-sidebar {
    border-right: none;
    border-left: 1px solid #E8E8E8;
}
.sidebar-header {
    padding: var(--space-4) var(--space-4);
    border-bottom: 1px solid #F0F0F0;
    background-color: #F7F7F7;
}
.sidebar-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: #1a1a1a;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.sidebar-header h3 i {
    color: var(--primary);
    font-size: 16px;
}
.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}
.user-list {
    list-style: none;
}
.user-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 10px var(--space-4);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}
.user-list li:hover {
    background-color: #F5F5F5;
}
.user-list .avatar {
    width: 36px;
    height: 36px;
}
.user-list .user-name {
    font-weight: var(--font-weight-medium);
    color: #1a1a1a;
    font-size: 14px;
}
.user-list .user-status {
    font-size: 12px;
    color: #999999;
}
.room-list {
    list-style: none;
}
.room-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 12px var(--space-4);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    color: #333333;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
}
.room-item:hover {
    background-color: #F5F5F5;
}
.room-item.active {
    background-color: #E8F5E9;
    color: var(--primary);
}
.room-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
}
.room-item i {
    width: 20px;
    text-align: center;
}
.room-count {
    margin-left: auto;
    background-color: rgba(255, 255, 255, 0.25);
    color: var(--text-inverse);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}
.room-item:not(.active) .room-count {
    background-color: var(--bg-surface-alt);
    color: var(--text-secondary);
}
.system-info {
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.08), rgba(var(--color-primary-rgb), 0.03));
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
    box-shadow: 0 1px 3px rgba(var(--color-primary-rgb), 0.08);
}
.system-info p {
    margin: var(--space-1) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.system-info i {
    color: var(--primary);
}
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #EDEDED;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23d1d1d1' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}
.message {
    display: flex;
    gap: var(--space-3);
    animation: messageSlideIn var(--transition-normal);
    animation-fill-mode: both;
}
.message.own {
    flex-direction: row-reverse;
}
.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    margin-top: 2px;
    background-color: #DDDDDD;
}
.message-content {
    max-width: 70%;
    display: flex;
    flex-direction: column;
}
.message.own .message-content {
    align-items: flex-end;
}
.message-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: 6px;
}
.message.own .message-header {
    flex-direction: row-reverse;
}
.message-sender {
    font-weight: var(--font-weight-medium);
    font-size: 13px;
    color: #555555;
}
.message-time {
    font-size: 11px;
    color: #999999;
}
.message-text {
    background-color: #FFFFFF;
    padding: 10px 14px;
    border-radius: 0 8px 8px 8px;
    border: 1px solid #E5E5E5;
    word-wrap: break-word;
    line-height: 1.5;
    color: #1a1a1a;
    font-size: 15px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    position: relative;
    min-width: 40px;
}
.message-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: -6px;
    width: 0;
    height: 0;
    border-top: 6px solid #E5E5E5;
    border-right: 6px solid #FFFFFF;
    border-bottom: 0 solid transparent;
    border-left: 0 solid transparent;
}
.message.own .message-text {
    background-color: #95EC69;
    color: #1a1a1a;
    border: none;
    border-radius: 8px 0 8px 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
.message.own .message-text::before {
    left: auto;
    right: -6px;
    border-top: 6px solid #95EC69;
    border-right: 0 solid transparent;
    border-bottom: 0 solid transparent;
    border-left: 6px solid #95EC69;
}
.message-image {
    max-width: 220px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform var(--transition-fast);
}
.message-image:hover {
    transform: scale(1.03);
}
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: zoom-out;
}
.image-viewer.active {
    opacity: 1;
    visibility: visible;
}
.image-viewer-img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: 4px;
    transform: scale(0.85);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: zoom-out;
    object-fit: contain;
}
.image-viewer.active .image-viewer-img {
    transform: scale(1);
}
[data-theme="dark"] .image-viewer {
    background-color: rgba(0, 0, 0, 0.95);
}
.private-chat-page {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #EDEDED;
    z-index: 2000;
    display: flex;
    flex-direction: column;
}
[data-theme="dark"] .private-chat-page {
    background-color: #1A1A1A;
}
.private-chat-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background-color: var(--primary-color);
    color: white;
    height: 52px;
    flex-shrink: 0;
    position: relative;
}
.private-chat-navbar .back-btn {
    color: white;
    font-size: 20px;
    padding: 8px;
    margin-right: 8px;
}
.private-chat-title {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.private-chat-title span:first-child {
    font-size: 16px;
    font-weight: 500;
}
.private-chat-title span:last-child {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 2px;
}
.private-chat-navbar .btn-icon {
    color: white;
    font-size: 18px;
    padding: 8px;
}
.private-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.private-chat-messages .message {
    max-width: 70%;
    animation: slideIn 0.3s ease;
}
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.private-chat-input-area {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 12px 16px;
    flex-shrink: 0;
}
[data-theme="dark"] .private-chat-input-area {
    background-color: var(--surface-color);
}
.private-chat-tools {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    justify-content: center;
}
.private-chat-tools .btn-icon {
    color: var(--text-light);
    font-size: 24px;
    padding: 8px;
}
.private-chat-input-container {
    display: flex;
    gap: 12px;
    align-items: center;
}
.private-chat-input-container input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 25px;
    background-color: #F0F0F0;
    font-size: 16px;
    outline: none;
}
[data-theme="dark"] .private-chat-input-container input {
    background-color: #333333;
    color: var(--text-color);
}
.private-chat-input-container .btn-primary {
    min-width: 48px;
    height: 48px;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.friend-arrow {
    color: var(--text-muted);
    font-size: 14px;
    margin-right: 8px;
}
[data-theme="dark"] .friend-arrow {
    color: #616161;
}
.message-video {
    max-width: 300px;
    width: 100%;
    border-radius: var(--border-radius-md);
    display: block;
    background-color: #000;
    cursor: pointer;
}
.message-file {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--text-color);
    min-width: 220px;
    max-width: 320px;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
}
.message-file:hover {
    background-color: rgba(var(--primary-rgb), 0.08);
    transform: translateY(-1px);
}
.message-file .file-icon {
    font-size: 32px;
    color: var(--primary-color);
    flex-shrink: 0;
}
.message-file .file-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}
.message-file .file-name {
    font-weight: bold;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: var(--font-size-sm);
}
.message-file .file-size {
    color: var(--text-light);
    font-size: var(--font-size-xs);
    margin-top: 2px;
}
.message-file .file-download-icon {
    color: var(--text-light);
    font-size: 18px;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}
.message-file:hover .file-download-icon {
    color: var(--primary-color);
}
[data-theme="dark"] .message-file {
    background-color: var(--surface-light);
    border-color: var(--border-color);
}
[data-theme="dark"] .message-file:hover {
    background-color: rgba(var(--primary-rgb), 0.15);
}
[data-theme="dark"] .message-file .file-icon {
    color: var(--primary-light);
}
[data-theme="dark"] .message-file:hover .file-download-icon {
    color: var(--primary-light);
}
.input-area {
    padding: 10px var(--space-4);
    background-color: #F7F7F7;
    border-top: 1px solid #E8E8E8;
}
.input-tools {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}
.input-tools .btn {
    background: transparent;
    color: #666666;
    border: none;
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 4px;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}
.input-tools .btn:hover {
    background-color: #E8E8E8;
    color: #333333;
}
.input-container {
    display: flex;
    gap: var(--space-3);
    align-items: flex-end;
}
#messageInput {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid #D9D9D9;
    border-radius: 6px;
    font-size: 15px;
    resize: none;
    font-family: var(--font-family);
    transition: all var(--transition-fast);
    background-color: #FFFFFF;
    color: #1a1a1a;
    max-height: 120px;
    min-height: 40px;
    line-height: 1.5;
}
#messageInput::placeholder {
    color: #BBBBBB;
}
#messageInput:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.1);
}
.input-container .btn-primary {
    padding: 0;
    border-radius: 50%;
    min-width: 44px;
    width: 44px;
    height: 44px;
    background-color: var(--primary);
    box-shadow: none;
    transition: background-color var(--transition-fast);
}
.input-container .btn-primary:hover {
    background-color: var(--primary-hover);
    transform: none;
}
.input-container .btn-primary:active {
    background-color: var(--primary-active);
}
/* ============================================================
 * 6. 业务组件 - 设置面板 / 表情面板 / 上下文菜单
 * ============================================================ */
.settings-panel {
    position: fixed;
    top: 0;
    right: -360px;
    width: 360px;
    height: 100vh;
    background-color: var(--bg-surface);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.08);
    transition: right var(--transition-normal);
    z-index: 200;
    display: flex;
    flex-direction: column;
}
.settings-panel.open {
    right: 0;
}
.settings-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-active) 100%);
    color: var(--text-inverse);
}
.settings-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}
.settings-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
}
.setting-group {
    margin-bottom: var(--space-6);
}
.setting-group h4 {
    margin-bottom: var(--space-3);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: var(--space-2);
}
.theme-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.theme-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}
.theme-option:hover {
    background-color: var(--bg-surface-alt);
    border-color: var(--border);
}
.theme-option input[type="radio"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}
.setting-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}
.setting-option:hover {
    background-color: var(--bg-surface-alt);
    border-color: var(--border);
}
.setting-option input[type="checkbox"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}
.about-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    padding: var(--space-5);
    background-color: var(--bg-surface-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}
.emoji-panel {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    padding: var(--space-4);
    display: none;
    z-index: 3000;
    animation: fadeIn var(--transition-fast);
    border: 1px solid var(--border-light);
}
.emoji-panel.open {
    display: block;
}
.emoji-content {
    max-height: 220px;
    overflow-y: auto;
}
.emoji-category {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 2px;
}
.emoji {
    font-size: 22px;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-align: center;
    line-height: 1;
}
.emoji:hover {
    background-color: rgba(var(--color-primary-rgb), 0.1);
    transform: scale(1.15);
}
.context-menu {
    position: fixed;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    min-width: 160px;
    padding: var(--space-1);
}
.context-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.context-menu .menu-item {
    padding: 10px var(--space-4);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}
.context-menu .menu-item:hover {
    background-color: rgba(var(--color-primary-rgb), 0.1);
    color: var(--primary);
}
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.18);
    border-radius: 4px;
    transition: background var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.28);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}
@keyframes bounce {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-10px);
    }
}
@keyframes blink {
    0%, 90%, 100% {
        height: 12px;
    }
    95% {
        height: 2px;
    }
}
@keyframes purr {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}
.context-menu {
    position: fixed;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
    min-width: 150px;
}
.context-menu ul {
    list-style: none;
    padding: var(--spacing-xs);
    margin: 0;
}
.context-menu .menu-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
    font-size: var(--font-size-sm);
    color: var(--text-color);
}
.context-menu .menu-item:hover {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--primary-color);
}
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}
@keyframes messageSlideIn {
    0% {
        opacity: 0;
        transform: translateY(16px) scale(0.96);
    }
    50% {
        transform: translateY(-4px) scale(1.01);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-4px);
    }
}
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb), 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(var(--color-primary-rgb), 0);
    }
}
.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--surface-color);
}
.sidebar-tab {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-sm);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}
.sidebar-tab:hover {
    color: var(--text-color);
    background-color: var(--background-color);
}
.sidebar-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}
.sidebar-tab i {
    font-size: 16px;
}
.hidden {
    display: none !important;
}

.bg-image-preview {
    width: 100%;
    height: 120px;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    margin-bottom: var(--space-3);
    transition: all var(--transition-normal);
}

.bg-image-preview:hover {
    border-color: var(--primary-color);
    background-color: rgba(var(--color-primary-rgb), 0.03);
}

.bg-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--text-secondary);
}

.bg-image-placeholder i {
    font-size: 24px;
}

.bg-image-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bg-image-actions {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.bg-image-actions .btn {
    flex: 1;
}

.bg-image-name {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
}
.friends-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.btn-add-friend {
    color: var(--primary-color);
}
.btn-add-friend:hover {
    background-color: var(--primary-light);
    color: white;
}
.friend-item {
    position: relative;
}
.friend-item .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}
.friend-item .user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.friend-item .online-status {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--success-color);
    border: 2px solid var(--surface-color);
}
.friend-item .user-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.friend-item:hover .user-actions {
    opacity: 1;
}
.btn-private-chat, .btn-remove-friend {
    font-size: 12px;
    padding: 4px 6px;
}
.btn-private-chat:hover {
    color: var(--primary-color);
}
.btn-remove-friend:hover {
    color: #ff4d4f;
}
.user-signature {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}
.private-chat-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-md);
}
.back-btn {
    color: var(--text-secondary);
}
.back-btn:hover {
    color: var(--primary-color);
}
.private-chat-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}
.private-chat-info .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}
.private-chat-info > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.private-nickname {
    font-weight: 600;
    color: var(--text-color);
}
.private-status {
    font-size: 12px;
    color: var(--text-light);
}
.settings-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--surface-color);
}
.settings-tab {
    flex: 1;
    padding: var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}
.settings-tab:hover {
    color: var(--text-color);
    background-color: var(--background-color);
}
.settings-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}
.profile-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.profile-avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
}
.profile-avatar-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
}
.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-light);
}
.change-avatar-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--surface-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all var(--transition-fast);
}
.change-avatar-btn:hover {
    background-color: var(--primary-dark);
    transform: scale(1.1);
}
.profile-id-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.profile-id-label {
    color: var(--text-light);
}
.profile-id-value {
    color: var(--text-color);
    font-family: monospace;
}
.btn-copy-id {
    color: var(--text-light);
    padding: 2px 6px;
    font-size: 12px;
}
.btn-copy-id:hover {
    color: var(--primary-color);
}
.profile-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.profile-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
.profile-form-group label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}
.profile-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--background-color);
    color: var(--text-color);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
    font-family: inherit;
}
.profile-input:focus {
    outline: none;
    border-color: var(--primary-color);
}
.profile-textarea {
    resize: vertical;
    min-height: 80px;
}
.btn-save-profile {
    width: 100%;
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
}
.avatar-selector-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.avatar-selector-content {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    max-width: 90%;
    max-height: 80%;
    overflow-y: auto;
}
.avatar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}
.avatar-grid-item {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: all var(--transition-fast);
}
.avatar-grid-item:hover {
    transform: scale(1.1);
    border-color: var(--primary-light);
}
.avatar-grid-item.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.3);
}
.avatar-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.close-avatar-modal {
    margin-top: var(--spacing-lg);
    text-align: right;
}
.music-player {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(76, 175, 80, 0.15);
    z-index: 1000;
    opacity: 1;
    transition: all 0.3s ease;
    border: 1px solid rgba(76, 175, 80, 0.1);
    cursor: grab;
    user-select: none;
}
[data-theme="dark"] .music-player {
    background: rgba(30, 30, 30, 0.95);
    border-color: rgba(76, 175, 80, 0.2);
}
.music-player.dragging {
    cursor: grabbing;
    opacity: 0.9;
    transition: all 0.05s ease;
    transform: none;
}
.player-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}
.control-btn {
    background: transparent;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
}
[data-theme="dark"] .control-btn {
    color: var(--primary-light);
}
.control-btn:hover {
    background: rgba(76, 175, 80, 0.1);
    transform: scale(1.1);
}
.control-btn.play-btn {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: 0 3px 10px rgba(76, 175, 80, 0.3);
}
.control-btn.play-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: scale(1.05);
}
.control-btn.clicked {
    animation: btnClick 0.3s ease;
}
@keyframes btnClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.9); }
    100% { transform: scale(1); }
}
.clock-time {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: 2px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
[data-theme="dark"] .clock-time {
    color: var(--primary-light);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
.music-time {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-light);
    opacity: 0.7;
}
[data-theme="dark"] .music-time {
    color: rgba(255, 255, 255, 0.4);
}
.time-separator {
    margin: 0 2px;
}
.color-scheme-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}
.color-scheme-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: var(--surface-color);
}
.color-scheme-item:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.color-scheme-item.active {
    border-color: var(--primary-color);
    background-color: rgba(var(--primary-rgb), 0.1);
}
.color-preview {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--scheme-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.color-name {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 500;
}
.custom-color-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
}
.custom-color-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-color);
}
.custom-color-input {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    background: none;
}
.custom-color-input::-webkit-color-swatch-wrapper {
    padding: 0;
}
.custom-color-input::-webkit-color-swatch {
    border-radius: 50%;
    border: 2px solid var(--border-color);
}
.bgm-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 12px;
    margin-bottom: 12px;
}
.bgm-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--surface-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    color: var(--text-color);
}
.bgm-item:hover {
    border-color: var(--primary-light);
    background-color: rgba(var(--primary-rgb), 0.05);
}
.bgm-item.active {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: white;
}
.bgm-item i {
    font-size: 14px;
}
.custom-music-wrapper {
    margin-top: 12px;
}
.custom-music-name {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    margin-top: 6px;
    padding: 6px 10px;
    background-color: var(--background-color);
    border-radius: var(--border-radius-sm);
    display: inline-block;
}
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    max-width: 80%;
    text-align: center;
}
.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.toast.success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}
.toast.error {
    background: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%);
}
.toast.warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.admin-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--background-color);
    z-index: 3000;
    display: flex;
    animation: fadeIn var(--transition-normal);
}
.admin-sidebar {
    width: 240px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.admin-sidebar-header {
    padding: var(--spacing-lg);
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: bold;
}
.admin-menu {
    flex: 1;
    padding: var(--spacing-sm);
}
.admin-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    margin-bottom: 4px;
    border: none;
    border-radius: var(--border-radius-md);
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}
.admin-menu-item:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
}
.admin-menu-item.active {
    background-color: var(--primary-color);
    color: white;
}
.admin-menu-item i {
    width: 20px;
    text-align: center;
}
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.admin-main-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.admin-main-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--text-color);
}
.admin-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}
.admin-tab-content {
    animation: fadeIn var(--transition-fast);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}
.stat-card {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: transform var(--transition-fast);
}
.stat-card:hover {
    transform: translateY(-2px);
}
.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}
.stat-icon-users {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.stat-icon-online {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}
.stat-icon-rooms {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}
.stat-icon-messages {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.stat-icon-banned {
    background: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%);
}
.stat-icon-announcements {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}
.stat-info {
    display: flex;
    flex-direction: column;
}
.stat-value {
    font-size: var(--font-size-xxl);
    font-weight: bold;
    color: var(--text-color);
}
.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}
.admin-section {
    background-color: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}
.admin-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}
.admin-section-header h4 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--text-color);
}
.admin-section-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}
.admin-search-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    background-color: var(--surface-color);
    color: var(--text-color);
    width: 200px;
}
.admin-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}
.admin-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    background-color: var(--surface-color);
    color: var(--text-color);
}
.admin-table-wrapper {
    overflow-x: auto;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
}
.admin-table th,
.admin-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.admin-table th {
    background-color: var(--background-color);
    font-weight: bold;
    color: var(--text-color);
    font-size: var(--font-size-sm);
}
.admin-table tbody tr:hover {
    background-color: rgba(var(--primary-rgb), 0.05);
}
.table-empty {
    text-align: center;
    color: var(--text-light);
    padding: var(--spacing-xl);
}
.admin-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    background-color: var(--surface-color);
    color: var(--text-color);
    resize: vertical;
    font-family: var(--font-family);
}
.admin-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}
.quick-actions {
    display: flex;
    gap: var(--spacing-md);
}
.announcement-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.announcement-target-options {
    display: flex;
    gap: var(--spacing-lg);
}
.radio-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}
.radio-option input[type="radio"] {
    accent-color: var(--primary-color);
}
.admin-messages-list {
    max-height: 500px;
    overflow-y: auto;
}
.admin-messages-list .message {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
}
.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    background-color: var(--surface-color);
    color: var(--text-color);
}
.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}
.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}
.modal-close {
    background-color: transparent;
    color: currentColor;
}
.modal-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
}
.plugin-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.plugin-upload-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all 0.3s;
}
.plugin-upload-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}
.plugin-upload-btn:active {
    transform: translateY(0);
}
.plugin-upload-btn i {
    font-size: 16px;
}
.plugin-upload-hint {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    margin: 0;
}
.plugin-menu-items {
    display: flex;
    gap: 8px;
}
.plugin-nav-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(var(--primary-rgb), 0.1);
    border: none;
    border-radius: var(--border-radius-md);
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.plugin-nav-btn:hover {
    background: rgba(var(--primary-rgb), 0.2);
    transform: translateY(-1px);
}
[data-theme="dark"] .plugin-nav-btn {
    background: rgba(var(--primary-rgb), 0.15);
}
.plugin-toolbar-container {
    display: flex;
    gap: 8px;
}
.plugin-sidebar-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border-color);
    margin-top: 12px;
}
.plugin-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}
.plugin-btn-toolbar {
    background: transparent;
    color: white;
}
.plugin-btn-toolbar:hover {
    background: rgba(255, 255, 255, 0.2);
}
.plugin-btn-sidebar {
    background: transparent;
    color: var(--text-color);
    justify-content: flex-start;
}
.plugin-btn-sidebar:hover {
    background: rgba(var(--primary-rgb), 0.1);
}
[data-theme="dark"] .plugin-btn-toolbar {
    background: rgba(var(--primary-rgb), 0.15);
}
[data-theme="dark"] .plugin-btn-sidebar {
    color: white;
}
[data-theme="dark"] .plugin-sidebar-container {
    border-top-color: rgba(255, 255, 255, 0.1);
}
.sidebar-footer {
    padding: 12px var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    background-color: var(--surface-color);
    flex-shrink: 0;
}
.plugin-center-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    border: none;
    border-radius: var(--border-radius-md);
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: transform 0.18s ease, background 0.2s ease;
}
.plugin-center-btn:hover {
    background: rgba(var(--primary-rgb), 0.18);
    transform: scale(1.02);
}
.plugin-center-btn:active {
    transform: scale(0.98);
}
[data-theme="dark"] .plugin-center-btn {
    color: var(--primary-color);
}
[data-theme="dark"] .sidebar-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
}
.plugin-center-panel {
    position: fixed;
    top: 0;
    left: -360px;
    width: 360px;
    height: 100vh;
    background-color: var(--surface-color);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: left 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 200;
    display: flex;
    flex-direction: column;
}
.plugin-center-panel.open {
    left: 0;
}
.plugin-center-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--primary-color);
    color: white;
}
.plugin-center-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.plugin-center-header .btn-icon {
    color: white;
}
.plugin-center-tabs {
    display: flex;
    gap: 4px;
    padding: 8px var(--spacing-lg);
    background: var(--primary-color);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.plugin-center-tab {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}
.plugin-center-tab:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}
.plugin-center-tab.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 600;
}
.plugin-center-search-wrap {
    position: relative;
    padding: 12px var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}
.plugin-center-refresh-btn {
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: rgba(var(--primary-rgb, 76, 174, 144), 0.1);
    color: var(--primary-color, #4cae90);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.plugin-center-refresh-btn:hover {
    background: rgba(var(--primary-rgb, 76, 174, 144), 0.18);
    transform: translateY(-50%) rotate(180deg);
}
.plugin-center-refresh-btn:active {
    transform: translateY(-50%) scale(0.92);
}
.plugin-center-search-icon {
    position: absolute;
    left: calc(var(--spacing-lg) + 6px);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted, #999);
    font-size: 13px;
}
.plugin-center-search {
    width: 100%;
    padding: 8px 12px 8px 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--background-color);
    color: var(--text-color);
    font-size: var(--font-size-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.plugin-center-search:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}
.plugin-center-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm) var(--spacing-md);
}
.plugin-center-empty {
    text-align: center;
    color: var(--text-muted, #999);
    padding: 40px 20px;
    font-size: var(--font-size-sm);
}
.plugin-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 12px;
    margin-bottom: 10px;
    background-color: var(--background-color);
    animation: slideInLeft 0.25s ease both;
    transition: border-color 0.2s ease, transform 0.18s ease;
}
.plugin-card:hover {
    border-color: rgba(var(--primary-rgb), 0.4);
}
.plugin-card.disabled {
    opacity: 0.55;
}
.plugin-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.plugin-card-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-md);
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.plugin-card-info {
    flex: 1;
    min-width: 0;
}
.plugin-card-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.plugin-card-meta {
    font-size: 12px;
    color: var(--text-muted, #999);
}
.plugin-card-toggle {
    position: relative;
    width: 38px;
    height: 22px;
    border-radius: 11px;
    background: #ccc;
    border: none;
    cursor: pointer;
    transition: background 0.22s ease;
    flex-shrink: 0;
}
.plugin-card-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.plugin-card-toggle.on {
    background: var(--primary-color);
}
.plugin-card-toggle.on::after {
    transform: translateX(16px);
}
.plugin-card-desc {
    font-size: 12px;
    color: var(--text-muted, #999);
    margin-bottom: 8px;
    line-height: 1.5;
}
.plugin-card-entries {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.plugin-entry-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    border: none;
    cursor: pointer;
    font-size: 12px;
    transition: transform 0.16s ease, background 0.2s ease;
}
.plugin-entry-chip:hover {
    background: rgba(var(--primary-rgb), 0.2);
    transform: scale(1.04);
}
.plugin-entry-chip:active {
    transform: scale(0.96);
}
.plugin-card-perms {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}
.plugin-perm-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(255, 152, 0, 0.12);
    color: #ff9800;
    font-size: 10px;
    font-weight: 500;
    border: 1px solid rgba(255, 152, 0, 0.25);
}
.plugin-trusted-badge {
    display: inline-flex;
    align-items: center;
    margin-left: 6px;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(76, 175, 80, 0.12);
    color: #4CAF50;
    font-size: 10px;
    border: 1px solid rgba(76, 175, 80, 0.25);
    vertical-align: middle;
}
.plugin-trusted-badge i {
    font-size: 9px;
}
[data-theme="dark"] .plugin-perm-badge {
    background: rgba(255, 152, 0, 0.18);
    color: #ffb74d;
}
.plugin-card-install {
    padding: 6px 14px;
    border: none;
    border-radius: 20px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
    flex-shrink: 0;
}
.plugin-card-install:hover {
    transform: scale(1.04);
    filter: brightness(1.08);
}
.plugin-card-install:active {
    transform: scale(0.95);
}
.plugin-card-install.installed {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    cursor: default;
}
.plugin-card-install.installed:hover {
    transform: none;
    filter: none;
}
.plugin-online-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    color: var(--text-muted, #999);
    font-size: 13px;
    gap: 12px;
}
.plugin-online-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid rgba(var(--primary-rgb), 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: pluginSpin 0.8s linear infinite;
}
@keyframes pluginSpin {
    to { transform: rotate(360deg); }
}
.plugin-online-empty {
    text-align: center;
    padding: 32px 0;
    color: var(--text-muted, #999);
    font-size: 13px;
}
.plugin-online-empty i {
    font-size: 36px;
    margin-bottom: 10px;
    opacity: 0.4;
    display: block;
}
.plugin-center-footer {
    padding: 12px var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
}
.plugin-center-upload-btn,
.plugin-center-cmd-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--background-color);
    color: var(--text-color);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: transform 0.16s ease, background 0.2s ease;
}
.plugin-center-upload-btn:hover,
.plugin-center-cmd-btn:hover {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
    transform: scale(1.02);
}
[data-theme="dark"] .plugin-center-panel {
    box-shadow: 2px 0 16px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .plugin-card,
[data-theme="dark"] .plugin-center-upload-btn,
[data-theme="dark"] .plugin-center-cmd-btn {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
}
.plugin-floating-container {
    position: fixed;
    right: 24px;
    bottom: 90px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 150;
    pointer-events: none;
}
.plugin-floating-container:empty {
    display: none;
}
.plugin-btn-floating {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: none;
    background-color: var(--primary-color);
    color: white;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    pointer-events: auto;
    transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.2s ease;
    animation: floatBtnIn 0.28s cubic-bezier(0.22, 1, 0.36, 1) both;
    padding: 0;
    touch-action: none;
    user-select: none;
}
.plugin-btn-floating:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
    background-color: var(--primary-color);
    color: white;
}
.plugin-btn-floating:active {
    transform: scale(0.94);
}
.plugin-btn-floating.dragging {
    cursor: grabbing;
    transform: scale(1.12);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
    transition: none;
    z-index: 999;
    opacity: 0.92;
}
.plugin-btn-floating[data-custom-position="1"] {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18), 0 0 0 2px rgba(var(--primary-rgb), 0.25);
}
[data-theme="dark"] .plugin-btn-floating {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}
.plugin-input-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
}
.plugin-input-toolbar:empty {
    display: none;
}
.plugin-btn-input-toolbar {
    background: transparent;
    color: var(--text-color);
    border: none;
    border-radius: var(--border-radius-md);
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--font-size-md);
    transition: transform 0.16s ease, background 0.2s ease;
    animation: fadeIn 0.25s ease both;
}
.plugin-btn-input-toolbar:hover {
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
    transform: scale(1.08);
}
.plugin-btn-input-toolbar:active {
    transform: scale(0.92);
}
.plugin-context-menu-items {
    display: flex;
    flex-direction: column;
}
.plugin-context-menu-items:empty {
    display: none;
}
.plugin-context-menu-items::before {
    content: '';
    display: block;
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}
.plugin-context-menu-item {
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    animation: fadeIn 0.2s ease both;
    transition: background 0.16s ease;
}
.plugin-context-menu-item:hover {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color);
}
.command-palette {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12vh;
}
.command-palette.open {
    display: flex;
}
.command-palette-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(2px);
    animation: fadeIn 0.2s ease both;
}
.command-palette-content {
    position: relative;
    width: min(560px, 90vw);
    max-height: 60vh;
    background-color: var(--surface-color);
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: scaleIn 0.24s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.command-palette-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}
.command-palette-search-icon {
    color: var(--text-muted, #999);
    margin-right: 10px;
    font-size: 14px;
}
.command-palette-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-size: var(--font-size-md);
}
.command-palette-input:focus {
    outline: none;
}
.command-palette-esc {
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--text-muted, #999);
    font-size: 11px;
    font-family: monospace;
}
.command-palette-results {
    list-style: none;
    margin: 0;
    padding: 6px;
    overflow-y: auto;
    flex: 1;
}
.command-palette-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    color: var(--text-color);
    transition: background 0.16s ease, transform 0.16s ease;
    animation: fadeIn 0.2s ease both;
}
.command-palette-item:hover,
.command-palette-item.active {
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
}
.command-palette-item-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}
.command-palette-item-text {
    flex: 1;
    min-width: 0;
}
.command-palette-item-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
}
.command-palette-item-meta {
    font-size: 11px;
    color: var(--text-muted, #999);
}
.command-palette-item-mount {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--text-muted, #999);
    flex-shrink: 0;
}
.command-palette-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-muted, #999);
    font-size: var(--font-size-sm);
    display: none;
}
.command-palette-empty.show {
    display: block;
}
[data-theme="dark"] .command-palette-content {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.94); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes floatBtnIn {
    from { opacity: 0; transform: scale(0.6); }
    to   { opacity: 1; transform: scale(1); }
}
@media (max-width: 480px) {
    .plugin-center-panel {
        width: 100vw;
        left: -100vw;
    }
    .command-palette-content {
        width: 94vw;
    }
    .plugin-floating-container {
        right: 16px;
        bottom: 80px;
    }
}
.gtp-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.gtp-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
}
.gtp-modal-content {
    position: relative;
    background: var(--surface-color);
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}
.gtp-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}
.gtp-modal-header h3 {
    margin: 0;
    font-size: 20px;
}
.gtp-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 28px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}
.gtp-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}
.gtp-modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}
[data-theme="dark"] .gtp-modal-content {
    background: #1a1a1a;
}
.lxh-float-card {
    position: fixed;
    display: flex;
    flex-direction: column;
    background: var(--surface-color, #fff);
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    z-index: 1000;
    min-width: 160px;
    min-height: 80px;
    border: 1px solid var(--border-color, rgba(0, 0, 0, 0.08));
}
.lxh-float-card.dragging {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28), 0 4px 12px rgba(0, 0, 0, 0.16);
    opacity: 0.98;
}
.lxh-float-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark, var(--primary-color)) 100%);
    color: #fff;
    cursor: grab;
    user-select: none;
    touch-action: none;
    flex-shrink: 0;
    min-height: 40px;
}
.lxh-float-card-header:active {
    cursor: grabbing;
}
.lxh-float-card.dragging .lxh-float-card-header {
    cursor: grabbing;
}
.lxh-float-card-title {
    font-size: 14px;
    font-weight: 600;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.lxh-float-card-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    font-size: 18px;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.2s;
    flex-shrink: 0;
}
.lxh-float-card-close:hover {
    background: rgba(255, 255, 255, 0.35);
}
.lxh-float-card-body {
    flex: 1;
    overflow: auto;
    padding: 12px 14px;
    color: var(--text-color, #333);
    font-size: 14px;
    background: var(--surface-color, #fff);
}
.lxh-float-card-resizer {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 18px;
    height: 18px;
    cursor: nwse-resize;
    touch-action: none;
    z-index: 2;
}
.lxh-float-card-resizer::after {
    content: '';
    position: absolute;
    right: 4px;
    bottom: 4px;
    width: 8px;
    height: 8px;
    border-right: 2px solid rgba(0, 0, 0, 0.25);
    border-bottom: 2px solid rgba(0, 0, 0, 0.25);
}
[data-theme="dark"] .lxh-float-card {
    background: #1f1f1f;
    border-color: rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .lxh-float-card-body {
    background: #1f1f1f;
    color: #eee;
}
[data-theme="dark"] .lxh-float-card-resizer::after {
    border-right-color: rgba(255, 255, 255, 0.3);
    border-bottom-color: rgba(255, 255, 255, 0.3);
}
@keyframes floatCardIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}
.loading-tip {
    text-align: center;
    padding: 16px;
    color: var(--text-light);
    font-size: var(--font-size-sm);
}
.theme-color-section[data-section="dark"] {
    display: none;
}
[data-theme="dark"] .theme-color-section[data-section="light"] {
    display: none;
}
[data-theme="dark"] .theme-color-section[data-section="dark"] {
    display: block;
}
.admin-table img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}
.action-btns {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.action-btn {
    padding: 4px 10px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.action-btn-admin {
    background-color: var(--primary-color);
    color: white;
}
.action-btn-admin:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}
.action-btn-ban {
    background-color: var(--error-color);
    color: white;
}
.action-btn-ban:hover {
    background-color: #D32F2F;
    transform: translateY(-1px);
}
.action-btn-unban {
    background-color: var(--success-color);
    color: white;
}
.action-btn-unban:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}
.action-btn-delete {
    background-color: var(--error-color);
    color: white;
}
.action-btn-delete:hover {
    background-color: #D32F2F;
    transform: translateY(-1px);
}
.user-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}
.user-status.online {
    background-color: rgba(76, 175, 80, 0.15);
    color: var(--success-color);
}
.user-status.offline {
    background-color: rgba(117, 117, 117, 0.15);
    color: var(--text-light);
}
.user-status.banned {
    background-color: rgba(244, 67, 54, 0.15);
    color: var(--error-color);
}
.user-role {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}
.user-role.admin {
    background-color: rgba(156, 39, 176, 0.15);
    color: #9C27B0;
}
.user-role.user {
    background-color: rgba(76, 175, 80, 0.15);
    color: var(--primary-color);
}
.user-role.guest {
    background-color: rgba(255, 152, 0, 0.15);
    color: var(--accent-color);
}