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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
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<title>ChatHub</title>
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<style>
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/* ── Reset & Base ─────────────────────────────── */
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* { box-sizing: border-box; margin: 0; padding: 0; }
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html, body {
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height: 100%;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
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font-size: 15px;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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/* ── Theme Variables ──────────────────────────── */
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:root {
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/* Dark (Telegram Dark) — default */
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--bg-app: #0e1621;
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--sidebar-bg: #17212b;
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--sidebar-hover: #202b36;
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--sidebar-header-bg: #17212b;
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--sidebar-header-border: rgba(255,255,255,0.04);
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--chat-bg: #0e1621;
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--header-bg: #17212b;
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--header-border: rgba(255,255,255,0.04);
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--bubble-self: #2b5278;
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--bubble-self-text: #e8e8e8;
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--bubble-other: #182533;
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--bubble-other-text: #e8e8e8;
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--input-bg: #17212b;
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--input-border: rgba(255,255,255,0.04);
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--input-focus-border: #5f9cea;
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--input-inner: #242f3d;
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--text-primary: #e8e8e8;
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--text-secondary: #858e99;
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--text-muted: #5f6773;
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--accent: #5f9cea;
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--accent-hover: #7bafed;
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--online-green: #4fae4f;
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--red: #e9575f;
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--shadow: none;
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--radius-sm: 6px;
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--radius-md: 10px;
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--radius-lg: 14px;
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--sidebar-width: 300px;
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--header-height: 48px;
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--footer-height: 52px;
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--transition: 0.15s ease;
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}
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/* Light theme */
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[data-theme="light"] {
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--bg-app: #e6ebee;
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--sidebar-bg: #fff;
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--sidebar-hover: #f2f6fa;
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--sidebar-header-bg: #5682a3;
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--sidebar-header-border: #d9dee1;
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--chat-bg: #e6ebee;
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--header-bg: #fff;
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--header-border: #d9dee1;
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--bubble-self: #effdde;
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--bubble-self-text: #000;
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--bubble-other: #fff;
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--bubble-other-text: #000;
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--input-bg: #fff;
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--input-border: #d9dee1;
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--input-focus-border: #5b9bd5;
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--input-inner: #f2f6fa;
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--text-primary: #222;
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--text-secondary: #888;
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--text-muted: #aaa;
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--accent: #5b9bd5;
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--accent-hover: #4a8bc5;
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--online-green: #3dd68c;
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--red: #f0566a;
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--shadow: 0 1px 2px rgba(0,0,0,0.04);
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}
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body {
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background: var(--bg-app);
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color: var(--text-primary);
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}
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/* ── App Layout ───────────────────────────────── */
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#app {
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display: flex;
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height: 100vh;
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width: 100%;
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overflow: hidden;
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background: var(--bg-app);
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}
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/* ═══════════════ Sidebar ═══════════════ */
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.sidebar {
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width: var(--sidebar-width);
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min-width: var(--sidebar-width);
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background: var(--sidebar-bg);
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display: flex;
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flex-direction: column;
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border-right: 1px solid var(--sidebar-header-border);
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}
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/* Sidebar header — height aligned with chat header */
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.sidebar-header {
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height: var(--header-height);
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min-height: var(--header-height);
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background: var(--sidebar-header-bg);
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 0 16px;
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border-bottom: 1px solid var(--sidebar-header-border);
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flex-shrink: 0;
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}
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.sidebar-title {
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font-size: 16px;
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font-weight: 700;
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color: var(--text-primary);
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letter-spacing: 0.2px;
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display: flex;
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align-items: center;
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gap: 6px;
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}
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.sidebar-title-icon {
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font-size: 18px;
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}
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.sidebar-badge {
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font-size: 11px;
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color: var(--text-secondary);
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background: rgba(255,255,255,0.06);
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padding: 2px 10px;
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border-radius: 10px;
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}
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.sidebar-search {
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padding: 8px 12px;
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flex-shrink: 0;
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border-bottom: 1px solid var(--sidebar-header-border);
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}
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.search-input {
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width: 100%;
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background: var(--input-inner);
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border: none;
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border-radius: var(--radius-sm);
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padding: 7px 12px;
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font-size: 13px;
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color: var(--text-primary);
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outline: none;
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pointer-events: none;
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}
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.search-input::placeholder { color: var(--text-muted); }
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.sidebar-section {
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font-size: 11px;
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text-transform: uppercase;
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color: var(--text-secondary);
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padding: 10px 16px 4px;
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letter-spacing: 0.6px;
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font-weight: 600;
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flex-shrink: 0;
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}
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.member-list {
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flex: 1;
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overflow-y: auto;
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}
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.member-list::-webkit-scrollbar { width: 4px; }
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.member-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 4px; }
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[data-theme="light"] .member-list::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.08); }
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.member-item {
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display: flex;
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align-items: center;
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gap: 11px;
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padding: 8px 16px;
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cursor: pointer;
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transition: background var(--transition);
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}
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.member-item:hover { background: var(--sidebar-hover); }
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.member-avatar {
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width: 38px;
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height: 38px;
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border-radius: 50%;
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flex-shrink: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 15px;
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font-weight: 600;
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color: #fff;
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position: relative;
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}
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.member-avatar-dot {
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position: absolute;
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bottom: 1px;
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right: -1px;
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width: 10px;
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height: 10px;
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border-radius: 50%;
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background: var(--online-green);
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border: 2px solid var(--sidebar-bg);
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}
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.member-info { flex: 1; min-width: 0; }
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.member-name {
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font-size: 14px;
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font-weight: 500;
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color: var(--text-primary);
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.member-sub {
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font-size: 11px;
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color: var(--text-secondary);
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margin-top: 1px;
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}
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.member-tag {
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font-size: 11px;
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color: var(--accent);
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background: rgba(95,156,234,0.12);
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padding: 1px 8px;
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border-radius: 8px;
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font-weight: 500;
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}
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[data-theme="light"] .member-tag { background: #e8f0f7; }
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.sidebar-empty {
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padding: 30px 16px;
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text-align: center;
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color: var(--text-muted);
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font-size: 13px;
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}
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/* Sidebar footer — height aligned with input area */
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.sidebar-footer {
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height: var(--footer-height);
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min-height: var(--footer-height);
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display: flex;
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align-items: center;
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gap: 6px;
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padding: 0 16px;
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border-top: 1px solid var(--sidebar-header-border);
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font-size: 12px;
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color: var(--text-secondary);
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flex-shrink: 0;
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}
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.footer-dot {
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width: 7px;
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height: 7px;
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border-radius: 50%;
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flex-shrink: 0;
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}
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.footer-dot.online { background: var(--online-green); }
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.footer-dot.offline { background: var(--red); }
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.footer-dot.connecting { background: #f59e0b; animation: pulse 1s infinite; }
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@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }
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/* ═══════════════ Main (Chat) ═══════════════ */
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.main {
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flex: 1;
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display: flex;
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flex-direction: column;
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min-width: 0;
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background: var(--chat-bg);
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position: relative;
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}
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/* Chat header — height aligned with sidebar header */
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.chat-header {
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height: var(--header-height);
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min-height: var(--header-height);
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background: var(--header-bg);
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border-bottom: 1px solid var(--header-border);
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 0 16px;
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flex-shrink: 0;
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}
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.chat-header-left {
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display: flex;
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align-items: center;
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gap: 10px;
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min-width: 0;
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}
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.chat-header-avatar {
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width: 32px;
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height: 32px;
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border-radius: 50%;
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background: var(--accent);
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color: #fff;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 14px;
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flex-shrink: 0;
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}
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.chat-header-info { line-height: 1.2; min-width: 0; }
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.chat-header-name {
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font-size: 15px;
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font-weight: 600;
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color: var(--text-primary);
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.chat-header-status {
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font-size: 11px;
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color: var(--text-secondary);
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}
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.chat-header-right {
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display: flex;
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gap: 6px;
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align-items: center;
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flex-shrink: 0;
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}
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.header-btn {
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width: 34px;
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height: 34px;
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border: none;
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border-radius: 50%;
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background: transparent;
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color: var(--text-secondary);
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font-size: 17px;
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cursor: pointer;
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display: flex;
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align-items: center;
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justify-content: center;
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|
|
|
transition: background var(--transition);
|
|
|
|
|
}
|
|
|
|
|
.header-btn:hover {
|
|
|
|
|
background: var(--sidebar-hover);
|
|
|
|
|
color: var(--text-primary);
|
|
|
|
|
}
|
|
|
|
|
.header-btn:active { transform: scale(0.9); }
|
|
|
|
|
|
|
|
|
|
/* ── Messages ── */
|
|
|
|
|
#chatLog {
|
|
|
|
|
flex: 1;
|
|
|
|
|
overflow-y: auto;
|
|
|
|
|
padding: 12px 16px 4px;
|
|
|
|
|
display: flex;
|
|
|
|
|
flex-direction: column;
|
|
|
|
|
gap: 3px;
|
|
|
|
|
}
|
|
|
|
|
#chatLog::-webkit-scrollbar { width: 5px; }
|
|
|
|
|
#chatLog::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.05); border-radius: 5px; }
|
|
|
|
|
[data-theme="light"] #chatLog::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.06); }
|
|
|
|
|
|
|
|
|
|
#emptyTip {
|
|
|
|
|
text-align: center;
|
|
|
|
|
color: var(--text-muted);
|
|
|
|
|
padding: 80px 0;
|
|
|
|
|
user-select: none;
|
|
|
|
|
}
|
|
|
|
|
#emptyTip .empty-icon { font-size: 34px; margin-bottom: 8px; opacity: 0.25; }
|
|
|
|
|
#emptyTip .empty-t1 { font-size: 14px; }
|
|
|
|
|
#emptyTip .empty-t2 { font-size: 12px; margin-top: 4px; opacity: 0.6; }
|
|
|
|
|
|
|
|
|
|
/* ── Bubbles ── */
|
|
|
|
|
.msg-item {
|
|
|
|
|
display: flex;
|
|
|
|
|
flex-direction: column;
|
|
|
|
|
max-width: 80%;
|
|
|
|
|
animation: inMsg 0.15s ease;
|
|
|
|
|
}
|
|
|
|
|
@keyframes inMsg { from{opacity:0;transform:translateY(4px)} to{opacity:1;transform:translateY(0)} }
|
|
|
|
|
.msg-item.self { align-self: flex-start; align-items: flex-start; }
|
|
|
|
|
.msg-item.other { align-self: flex-start; align-items: flex-start; }
|
|
|
|
|
.msg-item.system { align-self: center; align-items: center; max-width: 94%; }
|
|
|
|
|
|
|
|
|
|
.msg-row {
|
|
|
|
|
display: flex;
|
|
|
|
|
align-items: flex-end;
|
|
|
|
|
gap: 6px;
|
|
|
|
|
max-width: 100%;
|
|
|
|
|
}
|
|
|
|
|
.msg-item.self .msg-row,
|
|
|
|
|
.msg-item.other .msg-row { flex-direction: row; }
|
|
|
|
|
|
|
|
|
|
.msg-avatar {
|
|
|
|
|
width: 26px;
|
|
|
|
|
height: 26px;
|
|
|
|
|
border-radius: 50%;
|
|
|
|
|
flex-shrink: 0;
|
|
|
|
|
display: flex;
|
|
|
|
|
align-items: center;
|
|
|
|
|
justify-content: center;
|
|
|
|
|
font-size: 11px;
|
|
|
|
|
font-weight: 600;
|
|
|
|
|
color: #fff;
|
|
|
|
|
opacity: 0.9;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.msg-body { min-width: 0; }
|
|
|
|
|
|
|
|
|
|
.msg-sender {
|
|
|
|
|
font-size: 11px;
|
|
|
|
|
font-weight: 600;
|
|
|
|
|
color: var(--accent);
|
|
|
|
|
margin-bottom: 1px;
|
|
|
|
|
padding-left: 2px;
|
|
|
|
|
}
|
|
|
|
|
.msg-item.self .msg-sender { display: block; }
|
|
|
|
|
|
|
|
|
|
.msg-bubble {
|
|
|
|
|
padding: 6px 12px;
|
|
|
|
|
border-radius: var(--radius-lg);
|
|
|
|
|
font-size: 14px;
|
|
|
|
|
line-height: 1.5;
|
|
|
|
|
word-wrap: break-word;
|
|
|
|
|
white-space: pre-wrap;
|
|
|
|
|
box-shadow: var(--shadow);
|
|
|
|
|
}
|
|
|
|
|
.msg-item.self .msg-bubble {
|
|
|
|
|
background: var(--bubble-other);
|
|
|
|
|
color: var(--bubble-other-text);
|
|
|
|
|
border-bottom-left-radius: 3px;
|
|
|
|
|
border-left: 3px solid var(--accent);
|
|
|
|
|
}
|
|
|
|
|
.msg-item.other .msg-bubble {
|
|
|
|
|
background: var(--bubble-other);
|
|
|
|
|
color: var(--bubble-other-text);
|
|
|
|
|
border-bottom-left-radius: 3px;
|
|
|
|
|
}
|
|
|
|
|
.msg-item.system .msg-bubble {
|
|
|
|
|
background: transparent;
|
|
|
|
|
color: var(--text-muted);
|
|
|
|
|
font-size: 12px;
|
|
|
|
|
text-align: center;
|
|
|
|
|
padding: 1px 6px;
|
|
|
|
|
box-shadow: none;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.msg-time {
|
|
|
|
|
font-size: 10px;
|
|
|
|
|
color: var(--text-muted);
|
|
|
|
|
margin-top: 1px;
|
|
|
|
|
padding: 0 4px;
|
|
|
|
|
}
|
|
|
|
|
.msg-item.self .msg-time,
|
|
|
|
|
.msg-item.other .msg-time { text-align: left; }
|
|
|
|
|
|
|
|
|
|
/* Media */
|
|
|
|
|
.msg-media {
|
|
|
|
|
max-width: 200px;
|
|
|
|
|
max-height: 230px;
|
|
|
|
|
border-radius: var(--radius-md);
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
display: block;
|
|
|
|
|
transition: opacity 0.15s;
|
|
|
|
|
margin: -1px 0;
|
|
|
|
|
}
|
|
|
|
|
.msg-media:hover { opacity: 0.92; }
|
|
|
|
|
video.msg-media { cursor: default; }
|
|
|
|
|
video.msg-media:hover { opacity: 1; }
|
|
|
|
|
|
|
|
|
|
.preview-overlay {
|
|
|
|
|
position: fixed; inset: 0;
|
|
|
|
|
background: rgba(0,0,0,0.9);
|
|
|
|
|
z-index: 9999;
|
|
|
|
|
display: flex; align-items: center; justify-content: center;
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
animation: ovIn 0.15s ease;
|
|
|
|
|
}
|
|
|
|
|
@keyframes ovIn { from{opacity:0} to{opacity:1} }
|
|
|
|
|
.preview-overlay img, .preview-overlay video {
|
|
|
|
|
max-width: 92vw; max-height: 92vh;
|
|
|
|
|
object-fit: contain;
|
|
|
|
|
border-radius: var(--radius-md);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ── Input Area — height aligned with sidebar footer ── */
|
|
|
|
|
.input-area {
|
|
|
|
|
height: var(--footer-height);
|
|
|
|
|
min-height: var(--footer-height);
|
|
|
|
|
background: var(--input-bg);
|
|
|
|
|
border-top: 1px solid var(--header-border);
|
|
|
|
|
display: flex;
|
|
|
|
|
align-items: center;
|
|
|
|
|
gap: 6px;
|
|
|
|
|
padding: 0 12px;
|
|
|
|
|
flex-shrink: 0;
|
|
|
|
|
}
|
|
|
|
|
.input-wrap {
|
|
|
|
|
flex: 1;
|
|
|
|
|
display: flex;
|
|
|
|
|
align-items: center;
|
|
|
|
|
background: var(--input-inner);
|
|
|
|
|
border: 1px solid transparent;
|
|
|
|
|
border-radius: var(--radius-lg);
|
|
|
|
|
padding: 0 2px 0 0;
|
|
|
|
|
transition: border-color var(--transition), background var(--transition);
|
|
|
|
|
height: 36px;
|
|
|
|
|
}
|
|
|
|
|
.input-wrap:focus-within {
|
|
|
|
|
border-color: var(--input-focus-border);
|
|
|
|
|
background: var(--input-bg);
|
|
|
|
|
}
|
|
|
|
|
#messageInput {
|
|
|
|
|
flex: 1;
|
|
|
|
|
background: transparent;
|
|
|
|
|
border: none;
|
|
|
|
|
color: var(--text-primary);
|
|
|
|
|
font-size: 14px;
|
|
|
|
|
padding: 0 12px;
|
|
|
|
|
outline: none;
|
|
|
|
|
font-family: inherit;
|
|
|
|
|
line-height: 36px;
|
|
|
|
|
height: 36px;
|
|
|
|
|
overflow: hidden;
|
|
|
|
|
resize: none;
|
|
|
|
|
}
|
|
|
|
|
#messageInput::placeholder { color: var(--text-muted); }
|
|
|
|
|
|
|
|
|
|
.btn {
|
|
|
|
|
width: 34px;
|
|
|
|
|
height: 34px;
|
|
|
|
|
border: none;
|
|
|
|
|
border-radius: 50%;
|
|
|
|
|
cursor: pointer;
|
|
|
|
|
font-size: 17px;
|
|
|
|
|
display: flex;
|
|
|
|
|
align-items: center;
|
|
|
|
|
justify-content: center;
|
|
|
|
|
background: transparent;
|
|
|
|
|
color: var(--text-secondary);
|
|
|
|
|
transition: all var(--transition);
|
|
|
|
|
flex-shrink: 0;
|
|
|
|
|
}
|
|
|
|
|
.btn:hover { background: var(--sidebar-hover); color: var(--text-primary); }
|
|
|
|
|
.btn:active { transform: scale(0.88); }
|
|
|
|
|
|
|
|
|
|
.btn-send {
|
|
|
|
|
background: var(--accent);
|
|
|
|
|
color: #fff;
|
|
|
|
|
font-size: 16px;
|
|
|
|
|
}
|
|
|
|
|
.btn-send:hover { background: var(--accent-hover); color: #fff; }
|
|
|
|
|
.btn-send:active { transform: scale(0.88); }
|
|
|
|
|
|
|
|
|
|
#fileInput { display: none; }
|
|
|
|
|
|
|
|
|
|
.upload-progress {
|
|
|
|
|
height: 2px;
|
|
|
|
|
background: transparent;
|
|
|
|
|
display: none;
|
|
|
|
|
flex-shrink: 0;
|
|
|
|
|
}
|
|
|
|
|
.upload-progress.active { display: block; }
|
|
|
|
|
.upload-progress-bar {
|
|
|
|
|
height: 100%;
|
|
|
|
|
width: 0%;
|
|
|
|
|
background: var(--accent);
|
|
|
|
|
transition: width 0.3s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ── Responsive ── */
|
|
|
|
|
@media (max-width: 700px) {
|
|
|
|
|
.sidebar { display: none; }
|
|
|
|
|
.msg-item { max-width: 92%; }
|
|
|
|
|
.msg-media { max-width: 140px; max-height: 170px; }
|
|
|
|
|
#chatLog { padding: 8px 8px 2px; }
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<div id="app">
|
|
|
|
|
<!-- ═══ Sidebar ═══ -->
|
|
|
|
|
<div class="sidebar">
|
|
|
|
|
<div class="sidebar-header">
|
|
|
|
|
<div class="sidebar-title">
|
|
|
|
|
<span class="sidebar-title-icon">💬</span>ChatHub
|
|
|
|
|
</div>
|
|
|
|
|
<span class="sidebar-badge" id="sidebarBadge">0</span>
|
|
|
|
|
</div>
|
|
|
|
|
<div class="sidebar-search">
|
|
|
|
|
<input class="search-input" placeholder="搜索在线成员..." readonly>
|
|
|
|
|
</div>
|
|
|
|
|
<div class="sidebar-section">在线成员</div>
|
|
|
|
|
<div class="member-list" id="memberList">
|
|
|
|
|
<div class="sidebar-empty" id="memberEmpty">🫧 暂无在线成员</div>
|
|
|
|
|
</div>
|
|
|
|
|
<div class="sidebar-footer">
|
|
|
|
|
<span class="footer-dot offline" id="footerDot"></span>
|
|
|
|
|
<span id="footerText">连接中...</span>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<!-- ═══ Main ═══ -->
|
|
|
|
|
<div class="main">
|
|
|
|
|
<!-- Chat Header -->
|
|
|
|
|
<div class="chat-header">
|
|
|
|
|
<div class="chat-header-left">
|
|
|
|
|
<div class="chat-header-avatar">💬</div>
|
|
|
|
|
<div class="chat-header-info">
|
|
|
|
|
<div class="chat-header-name">无痕聊天室</div>
|
|
|
|
|
<div class="chat-header-status" id="headerStatus">🟡 连接中...</div>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
<div class="chat-header-right">
|
|
|
|
|
<span class="header-btn" id="themeToggle" title="切换主题">🌙</span>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<!-- Messages -->
|
|
|
|
|
<div id="chatLog">
|
|
|
|
|
<div id="emptyTip">
|
|
|
|
|
<div class="empty-icon">🫧</div>
|
|
|
|
|
<div class="empty-t1">聊天记录为空</div>
|
|
|
|
|
<div class="empty-t2">发出一条消息开始聊天吧</div>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<!-- Upload Progress -->
|
|
|
|
|
<div class="upload-progress" id="uploadProgress">
|
|
|
|
|
<div class="upload-progress-bar" id="uploadProgressBar"></div>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<!-- Input -->
|
|
|
|
|
<div class="input-area">
|
|
|
|
|
<input type="file" id="fileInput" accept="image/*,video/*">
|
|
|
|
|
<div class="input-wrap">
|
|
|
|
|
<textarea id="messageInput" placeholder="输入消息..." rows="1" maxlength="2000"></textarea>
|
|
|
|
|
</div>
|
|
|
|
|
<button class="btn" id="uploadBtn" title="发送图片/视频">📎</button>
|
|
|
|
|
<button class="btn btn-send" id="sendBtn">➤</button>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<script>
|
|
|
|
|
(function() {
|
|
|
|
|
'use strict';
|
|
|
|
|
|
|
|
|
|
// ── Username ────────────────────────────────────────
|
|
|
|
|
var username = localStorage.getItem('chat_username');
|
|
|
|
|
if (!username) {
|
|
|
|
|
username = prompt('请输入你的昵称：') || ('匿名' + Math.floor(Math.random() * 9999));
|
|
|
|
|
username = username.trim().slice(0, 20);
|
|
|
|
|
localStorage.setItem('chat_username', username);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ── Theme ───────────────────────────────────────────
|
|
|
|
|
var themeToggle = document.getElementById('themeToggle');
|
|
|
|
|
var currentTheme = localStorage.getItem('chat_theme') || 'dark';
|
|
|
|
|
document.documentElement.setAttribute('data-theme', currentTheme);
|
|
|
|
|
themeToggle.textContent = currentTheme === 'dark' ? '🌙' : '☀️';
|
|
|
|
|
|
|
|
|
|
themeToggle.onclick = function() {
|
|
|
|
|
var next = currentTheme === 'dark' ? 'light' : 'dark';
|
|
|
|
|
currentTheme = next;
|
|
|
|
|
document.documentElement.setAttribute('data-theme', next);
|
|
|
|
|
localStorage.setItem('chat_theme', next);
|
|
|
|
|
themeToggle.textContent = next === 'dark' ? '🌙' : '☀️';
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|
|
};
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// ── DOM ─────────────────────────────────────────────
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|
var chatLog = document.getElementById('chatLog');
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|
var emptyTip = document.getElementById('emptyTip');
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|
var memberList = document.getElementById('memberList');
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|
var emptyMsg = document.getElementById('memberEmpty');
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|
var sidebarBadge = document.getElementById('sidebarBadge');
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|
var footerTxt = document.getElementById('footerText');
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|
var footerDot = document.getElementById('footerDot');
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|
var headerSt = document.getElementById('headerStatus');
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|
var msgInput = document.getElementById('messageInput');
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|
var sendBtn = document.getElementById('sendBtn');
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|
var upBtn = document.getElementById('uploadBtn');
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|
var fileInp = document.getElementById('fileInput');
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|
var progEl = document.getElementById('uploadProgress');
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|
var progBar = document.getElementById('uploadProgressBar');
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// ── Helpers ─────────────────────────────────────────
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|
|
function esc(s) { return String(s).replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>').replace(/"/g,'"'); }
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function setStatus(state) {
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|
if (state === 'connected') {
|
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|
headerSt.textContent = '🟢 已连接';
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|
footerDot.className = 'footer-dot online';
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footerTxt.textContent = '已连接';
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|
} else if (state === 'connecting') {
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|
headerSt.textContent = '🟡 连接中...';
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|
footerDot.className = 'footer-dot connecting';
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|
footerTxt.textContent = '连接中...';
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|
|
} else {
|
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|
headerSt.textContent = '🔴 已断开';
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|
footerDot.className = 'footer-dot offline';
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|
footerTxt.textContent = '已断开，重连中...';
|
|
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|
|
}
|
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|
|
}
|
|
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|
|
// ── Append message ─────────────────────────────────
|
|
|
|
|
function appendMsg(cls, sender, html, ts) {
|
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|
if (emptyTip && emptyTip.parentNode) emptyTip.style.display = 'none';
|
|
|
|
|
var d = document.createElement('div');
|
|
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|
|
d.className = 'msg-item ' + cls;
|
|
|
|
|
var t = ts ? '<div class="msg-time">' + esc(ts) + '</div>' : '';
|
|
|
|
|
if (cls === 'system') {
|
|
|
|
|
d.innerHTML = '<div class="msg-bubble">' + html + '</div>';
|
|
|
|
|
} else {
|
|
|
|
|
var nameTag = cls === 'self' ? '<span class="member-tag" style="font-size:10px;margin-left:4px;vertical-align:middle;">我</span>' : '';
|
|
|
|
|
d.innerHTML =
|
|
|
|
|
'<div class="msg-row">' +
|
|
|
|
|
'<div class="msg-avatar" style="background:' + avColor(sender) + '">' + avL(sender) + '</div>' +
|
|
|
|
|
'<div class="msg-body">' +
|
|
|
|
|
'<div class="msg-sender">' + esc(sender) + nameTag + '</div>' +
|
|
|
|
|
'<div class="msg-bubble">' + html + '</div>' + t +
|
|
|
|
|
'</div>' +
|
|
|
|
|
'</div>';
|
|
|
|
|
}
|
|
|
|
|
chatLog.appendChild(d);
|
|
|
|
|
chatLog.scrollTop = chatLog.scrollHeight;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function avL(n) { return (n&&n[0])?n[0].toUpperCase():'?'; }
|
|
|
|
|
|
|
|
|
|
var _colors = ['#5f9cea','#e17076','#7bc862','#e5c441','#65aadd','#a695e7','#ee7a6f','#6bc9b6','#f0906f','#b0a0e0'];
|
|
|
|
|
function avColor(n) {
|
|
|
|
|
var h=0; for(var i=0;i<n.length;i++) h=((h<<5)-h)+n.charCodeAt(i)|0;
|
|
|
|
|
return _colors[Math.abs(h)%_colors.length];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ── WebSocket ───────────────────────────────────────
|
|
|
|
|
var ws = null, rt = null, wsc = false;
|
|
|
|
|
function connect() {
|
|
|
|
|
if(ws&&(ws.readyState===1||ws.readyState===0)) return;
|
|
|
|
|
setStatus('connecting');
|
|
|
|
|
var p = location.protocol==='https:'?'wss':'ws';
|
|
|
|
|
ws = new WebSocket(p+'://'+location.host+'/wschat');
|
|
|
|
|
ws.onopen = function(){ ws.send(username); setStatus('connected'); wsc=true; refresh(); };
|
|
|
|
|
ws.onmessage = function(e){ handle(e.data); };
|
|
|
|
|
ws.onclose = function(){ wsc=false; setStatus('offline'); if(rt)clearTimeout(rt); rt=setTimeout(connect,2000); };
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function handle(msg) {
|
|
|
|
|
if(msg.indexOf('COUNT::')===0) {
|
|
|
|
|
var c = parseInt(msg.substring(6),10)||0;
|
|
|
|
|
sidebarBadge.textContent = c;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
if(msg.indexOf('MEMBERS::')===0) {
|
|
|
|
|
try { var p=JSON.parse(msg.substring(9)); if(p.type==='members') render(p.data||[]); } catch(e){}
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
var c1=msg.indexOf('::'); if(c1<0)return;
|
|
|
|
|
var tp=msg.substring(0,c1), bd=msg.substring(c1+2);
|
|
|
|
|
if(tp==='SYSTEM') { appendMsg('system','',esc(bd),''); refresh(); }
|
|
|
|
|
else if(tp==='TEXT') { var c2=bd.indexOf('::'); if(c2<0)return; appendMsg(bd.substring(0,c2)===username?'self':'other',bd.substring(0,c2),esc(bd.substring(c2+2)),''); }
|
|
|
|
|
else if(tp==='IMG') { var c2=bd.indexOf('::'); if(c2<0)return; appendMsg(bd.substring(0,c2)===username?'self':'other',bd.substring(0,c2),'<img class="msg-media" src="'+bd.substring(c2+2)+'" onclick="previewMedia(this.src)" loading="lazy">',''); }
|
|
|
|
|
else if(tp==='VIDEO') { var c2=bd.indexOf('::'); if(c2<0)return; appendMsg(bd.substring(0,c2)===username?'self':'other',bd.substring(0,c2),'<video class="msg-media" src="'+bd.substring(c2+2)+'" controls preload="metadata"></video>',''); }
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ── Member list ─────────────────────────────────────
|
|
|
|
|
function render(members) {
|
|
|
|
|
memberList.innerHTML = '';
|
|
|
|
|
if(!members||!members.length) {
|
|
|
|
|
memberList.innerHTML = '<div class="sidebar-empty">🫧 暂无在线成员</div>';
|
|
|
|
|
sidebarBadge.textContent = '0';
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
sidebarBadge.textContent = members.length;
|
|
|
|
|
var s = members.slice().sort(function(a,b){ if(a===username)return-1;if(b===username)return1;return a.localeCompare(b); });
|
|
|
|
|
for(var i=0;i<s.length;i++) {
|
|
|
|
|
var n=s[i], me=n===username;
|
|
|
|
|
var d=document.createElement('div'); d.className='member-item';
|
|
|
|
|
d.innerHTML =
|
|
|
|
|
'<div class="member-avatar" style="background:'+avColor(n)+'">'+
|
|
|
|
|
avL(n)+'<span class="member-avatar-dot"></span></div>'+
|
|
|
|
|
'<div class="member-info">'+
|
|
|
|
|
'<div class="member-name">'+esc(n)+'</div>'+
|
|
|
|
|
'<div class="member-sub">'+(me?'在线 (我)':'在线')+'</div></div>'+
|
|
|
|
|
(me?'<span class="member-tag">我</span>':'');
|
|
|
|
|
memberList.appendChild(d);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var f = false;
|
|
|
|
|
function refresh(){ if(f)return; f=true; fetch('/members').then(function(r){return r.ok?r.json():Promise.reject();}).then(function(d){render(d.members||[]);}).catch(function(){}).finally(function(){f=false;}); }
|
|
|
|
|
setInterval(function(){if(wsc)refresh();},5000);
|
|
|
|
|
|
|
|
|
|
// ── Send ────────────────────────────────────────────
|
|
|
|
|
function send(t){ if(!t||!t.trim())return false; if(!ws||ws.readyState!==1){appendMsg('system','','⚠️ 连接已断开','');return false;} ws.send(t.trim()); return true; }
|
|
|
|
|
sendBtn.onclick = function(){ var v=msgInput.value; if(send(v)){msgInput.value='';msgInput.style.height='36px';} };
|
|
|
|
|
msgInput.addEventListener('keydown',function(e){
|
|
|
|
|
if(e.key==='Enter'&&!e.shiftKey){ e.preventDefault(); var v=msgInput.value; if(send(v)){msgInput.value='';msgInput.style.height='36px';} }
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// ── Upload ──────────────────────────────────────────
|
|
|
|
|
upBtn.onclick = function(){ fileInp.click(); };
|
|
|
|
|
fileInp.addEventListener('change',function(){
|
|
|
|
|
var f=this.files[0]; if(!f)return;
|
|
|
|
|
if(f.size>10*1024*1024){ appendMsg('system','','⚠️ 文件过大（'+(f.size/1024/1024).toFixed(1)+'MB），最大 10MB',''); fileInp.value=''; return; }
|
|
|
|
|
var fd=new FormData(); fd.append('file',f); fd.append('sender',username);
|
|
|
|
|
progEl.classList.add('active'); progBar.style.width='25%';
|
|
|
|
|
fetch('/upload',{method:'POST',body:fd})
|
|
|
|
|
.then(function(r){ if(!r.ok)return r.json().then(function(d){throw new Error(d.error||'上传失败');}); return r.json(); })
|
|
|
|
|
.then(function(){ progBar.style.width='100%'; })
|
|
|
|
|
.catch(function(e){ progBar.style.width='100%'; appendMsg('system','','⚠️ '+esc(e.message),''); })
|
|
|
|
|
.finally(function(){ setTimeout(function(){progEl.classList.remove('active');progBar.style.width='0%';},600); fileInp.value=''; });
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// ── Preview ─────────────────────────────────────────
|
|
|
|
|
window.previewMedia = function(s){
|
|
|
|
|
var o=document.createElement('div'); o.className='preview-overlay';
|
|
|
|
|
var e=s.match(/\.(png|jpg|jpeg|gif|webp|bmp)(\?|$)/i)?(function(){var i=new Image();i.src=s;return i;})():(function(){var v=document.createElement('video');v.src=s;v.controls=true;v.autoplay=true;return v;})();
|
|
|
|
|
o.appendChild(e); o.onclick=function(){document.body.removeChild(o);}; document.body.appendChild(o);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// ── Init ────────────────────────────────────────────
|
|
|
|
|
connect();
|
|
|
|
|
refresh();
|
|
|
|
|
})();
|
|
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
