:root {
    --primary: #07C160;
    --primary-dark: #06ad56;
    --primary-light: #e8f8ee;
    --danger: #e74c3c;
    --warning: #f5a623;
    --info: #4a90d9;
    --bg: #f5f5f5;
    --bg-white: #ffffff;
    --bg-gray: #f0f0f0;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border: #e8e8e8;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

* { margin:0; padding:0; box-sizing:border-box; }
html, body { height:100%; overflow:hidden; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif; background:var(--bg); color:var(--text-primary); }

::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:#d0d0d0; border-radius:4px; }
::-webkit-scrollbar-thumb:hover { background:#bbb; }

input, textarea, select, button { font-family:inherit; }
a { color:var(--primary); text-decoration:none; }

/* Toast */
.toast {
    position:fixed; top:20px; left:50%; transform:translateX(-50%) translateY(-100px);
    background:rgba(0,0,0,0.75); color:#fff; padding:10px 24px; border-radius:8px;
    font-size:14px; z-index:10000; transition:transform 0.3s ease; pointer-events:none;
    max-width:80%; text-align:center;
}
.toast.show { transform:translateX(-50%) translateY(0); }

/* Notification popup */
.notification-popup {
    position:fixed; top:20px; right:20px; background:#fff; border-radius:12px;
    padding:14px 18px; box-shadow:var(--shadow-lg); z-index:9999; max-width:320px;
    animation:slideInRight 0.3s ease;
}
@keyframes slideInRight { from{opacity:0;transform:translateX(100px)} to{opacity:1;transform:translateX(0)} }

/* Popup overlay */
.popup-overlay {
    position:fixed; top:0; left:0; width:100%; height:100%;
    background:rgba(0,0,0,0.5); z-index:1000; display:flex;
    align-items:center; justify-content:center; animation:fadeIn 0.2s ease;
}
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

.modal-card {
    background:#fff; border-radius:var(--radius-lg); width:90%; max-width:400px;
    max-height:85vh; overflow:hidden; animation:scaleIn 0.2s ease;
    display:flex; flex-direction:column;
}
.modal-card.wide { max-width:480px; }
@keyframes scaleIn { from{opacity:0;transform:scale(0.9)} to{opacity:1;transform:scale(1)} }

.modal-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 18px; border-bottom:1px solid var(--border);
}
.modal-header h3 { font-size:17px; font-weight:600; }
.modal-body {
    padding:18px; overflow-y:auto; flex:1; -webkit-overflow-scrolling:touch;
}

/* Form elements */
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:13px; color:var(--text-secondary); margin-bottom:6px; }
.form-group input, .form-group select, .form-group textarea {
    width:100%; height:42px; border:1.5px solid var(--border); border-radius:8px;
    padding:0 12px; font-size:14px; transition:var(--transition); background:#f8f8f8;
    outline:none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color:var(--primary); background:#fff; box-shadow:0 0 0 3px rgba(7,193,96,0.1);
}

/* Buttons */
.btn-primary {
    width:100%; height:44px; background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff; border:none; border-radius:10px; font-size:15px; font-weight:600;
    cursor:pointer; transition:var(--transition);
}
.btn-primary:hover { box-shadow:0 4px 16px rgba(7,193,96,0.3); }
.btn-primary:active { transform:scale(0.98); }
.btn-danger {
    width:100%; height:44px; background:#fff; color:var(--danger);
    border:1.5px solid var(--danger); border-radius:10px; font-size:15px;
    cursor:pointer; transition:var(--transition);
}
.btn-danger:hover { background:var(--danger); color:#fff; }
.btn-outline-danger {
    width:100%; background:transparent; color:var(--danger);
    border:1px solid var(--danger); border-radius:10px; font-size:15px;
    cursor:pointer; transition:var(--transition);
}
.btn-outline-danger:hover { background:var(--danger); color:#fff; }
.btn-danger:hover { background:var(--danger); color:#fff; }
.btn-text { background:none; border:none; color:var(--primary); font-size:15px; font-weight:600; cursor:pointer; padding:4px 8px; }
.btn-text:disabled { color:#ccc; }

.icon-btn {
    background:none; border:none; cursor:pointer; color:var(--text-secondary);
    font-size:22px; padding:6px; border-radius:8px; transition:var(--transition);
    display:inline-flex; align-items:center; justify-content:center; line-height:1;
}
.icon-btn:hover { background:var(--bg-gray); color:var(--text-primary); }

.badge {
    display:inline-flex; align-items:center; justify-content:center;
    background:var(--danger); color:#fff; font-size:11px; min-width:18px; height:18px;
    border-radius:10px; padding:0 5px; font-weight:600;
}

/* App layout */
.app-container {
    display:flex; height:100vh; width:100vw; overflow:hidden;
}

/* Left panel */
.left-panel {
    width:320px; min-width:320px; height:100vh; background:var(--bg-white);
    border-right:1px solid var(--border); display:flex; flex-direction:column;
    z-index:10;
}

.left-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 16px 10px; background:var(--bg-white);
}
.left-header-actions { display:flex; gap:4px; }

.user-avatar-small {
    width:40px; height:40px; border-radius:8px; overflow:hidden; cursor:pointer;
    position:relative; flex-shrink:0;
}
.user-avatar-small img { width:100%; height:100%; object-fit:cover; }
.online-dot {
    position:absolute; bottom:-1px; right:-1px; width:10px; height:10px;
    background:var(--primary); border-radius:50%; border:2px solid #fff;
}

.search-bar {
    display:flex; align-items:center; background:var(--bg-gray); margin:0 12px 10px;
    border-radius:8px; padding:0 12px; gap:8px;
}
.search-bar i { color:var(--text-muted); font-size:16px; flex-shrink:0; }
.search-bar input {
    flex:1; height:36px; border:none; background:transparent; outline:none; font-size:14px;
}

.search-results {
    max-height:300px; overflow-y:auto; background:#fff; margin:0 12px 10px;
    border-radius:8px; box-shadow:var(--shadow);
}

/* Tab bar */
.tab-bar {
    display:flex; border-bottom:1px solid var(--border); padding:0 8px;
    background:var(--bg-white); flex-shrink:0;
}
.tab {
    flex:1; text-align:center; padding:10px 0; cursor:pointer; position:relative;
    color:var(--text-muted); font-size:12px; transition:var(--transition);
    display:flex; flex-direction:column; align-items:center; gap:2px;
}
.tab i { font-size:20px; }
.tab.active { color:var(--primary); }
.tab.active::after {
    content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%);
    width:24px; height:3px; background:var(--primary); border-radius:2px;
}
.tab .badge { position:absolute; top:4px; right:calc(50% - 20px); }

/* Tab content */
.tab-content { flex:1; overflow-y:auto; }
.tab-content.active { display:block; }

/* Session list */
.notice-banner {
    display:flex; align-items:center; gap:8px; padding:10px 16px;
    background:linear-gradient(135deg,#fff8e1,#fff3cd); border-bottom:1px solid #f5e6b8;
    font-size:13px; color:#8a6d3b; cursor:pointer;
}
.notice-banner i:first-child { color:#f5a623; font-size:16px; }
.notice-banner span { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.session-list { padding:0; }
.session-item {
    display:flex; align-items:center; padding:12px 16px; cursor:pointer;
    transition:var(--transition); gap:12px; position:relative;
}
.session-item:hover { background:var(--bg-gray); }
.session-item.active { background:var(--bg-gray); }
.session-item::after {
    content:''; position:absolute; bottom:0; right:16px; left:68px;
    height:1px; background:var(--border);
}
.session-avatar {
    width:46px; height:46px; border-radius:8px; overflow:hidden; flex-shrink:0;
    background:var(--bg-gray);
}
.session-avatar img { width:100%; height:100%; object-fit:cover; }
.session-info { flex:1; min-width:0; }
.session-name {
    font-size:15px; font-weight:500; white-space:nowrap;
    overflow:hidden; text-overflow:ellipsis; margin-bottom:4px;
}
.session-last {
    font-size:13px; color:var(--text-muted); white-space:nowrap;
    overflow:hidden; text-overflow:ellipsis;
}
.session-meta { text-align:right; flex-shrink:0; }
.session-time { font-size:11px; color:var(--text-muted); margin-bottom:4px; }
.session-badge { display:inline-flex; }

/* Contact list */
.contact-section { padding:8px 0; }
.contact-item {
    display:flex; align-items:center; padding:12px 16px; gap:12px;
    cursor:pointer; transition:var(--transition);
}
.contact-item:hover { background:var(--bg-gray); }
.contact-icon {
    width:36px; height:36px; border-radius:8px; display:flex;
    align-items:center; justify-content:center; color:#fff; font-size:18px;
}
.contact-item span { font-size:15px; flex:1; }
.contact-item .badge { margin-left:auto; }

.contact-list { padding:0; }
.contact-group-header {
    padding:8px 16px; font-size:13px; color:var(--text-muted);
    background:var(--bg-gray); font-weight:500;
}
.contact-friend-item {
    display:flex; align-items:center; padding:10px 16px; gap:12px;
    cursor:pointer; transition:var(--transition);
}
.contact-friend-item:hover { background:var(--bg-gray); }
.contact-friend-item img { width:36px; height:36px; border-radius:8px; object-fit:cover; }

/* Discover list */
.discover-list { padding:8px 0; }
.discover-item {
    display:flex; align-items:center; padding:14px 16px; gap:12px;
    cursor:pointer; transition:var(--transition); border-bottom:1px solid var(--border);
}
.discover-item:hover { background:var(--bg-gray); }
.discover-icon { width:36px; height:36px; border-radius:8px; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:18px; }
.discover-item span { flex:1; font-size:15px; }
.discover-item i:last-child { color:var(--text-muted); }

/* Me card */
.me-card {
    display:flex; align-items:center; padding:20px 16px; gap:14px;
    background:var(--bg-white); border-bottom:1px solid var(--border); cursor:pointer;
}
.me-avatar { width:60px; height:60px; border-radius:10px; object-fit:cover; }
.me-info { flex:1; }
.me-name { font-size:18px; font-weight:600; margin-bottom:4px; }
.me-id { font-size:13px; color:var(--text-muted); }
.me-card > i { color:var(--text-muted); }

.me-list { padding:8px 0; }
.me-item {
    display:flex; align-items:center; padding:14px 16px; gap:12px;
    cursor:pointer; transition:var(--transition); border-bottom:1px solid var(--border);
}
.me-item:hover { background:var(--bg-gray); }
.me-item i:first-child { font-size:22px; }
.me-item span { flex:1; font-size:15px; }
.me-item-extra { color:var(--text-muted); font-size:13px !important; flex:none !important; }
.me-item > i:last-child { color:var(--text-muted); }

/* Right panel */
.right-panel {
    flex:1; height:100vh; background:var(--bg); position:relative; min-width:0;
}

.chat-placeholder {
    height:100%; display:flex; align-items:center; justify-content:center;
}
.placeholder-content { text-align:center; }

/* Empty state */
.empty-state { text-align:center; padding:40px 20px; color:var(--text-muted); }

/* Add menu */
.add-menu {
    position:absolute; top:60px; right:80px; background:#fff; border-radius:12px;
    box-shadow:var(--shadow-lg); padding:8px 0; min-width:160px;
    animation:scaleIn 0.2s ease;
}
.add-menu-item {
    display:flex; align-items:center; gap:10px; padding:12px 20px;
    cursor:pointer; transition:var(--transition); font-size:14px;
}
.add-menu-item:hover { background:var(--bg-gray); }
.add-menu-item i { font-size:20px; color:var(--primary); }

/* Balance card */
.balance-card {
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    border-radius:var(--radius); padding:24px; text-align:center;
    color:#fff; margin-bottom:20px;
}
.balance-label { font-size:13px; opacity:0.8; display:block; margin-bottom:8px; }
.balance-amount { font-size:36px; font-weight:700; letter-spacing:1px; }

.recharge-options h4, .transfer-section h4 {
    font-size:15px; font-weight:600; margin-bottom:12px; color:var(--text-primary);
}
.amount-grid {
    display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:16px;
}
.amount-btn {
    height:40px; border:1.5px solid var(--border); border-radius:8px;
    background:#fff; font-size:14px; cursor:pointer; transition:var(--transition);
}
.amount-btn:hover, .amount-btn.active { border-color:var(--primary); color:var(--primary); background:var(--primary-light); }

.pay-type-select { display:flex; gap:16px; margin-bottom:16px; font-size:13px; }
.pay-type-select label { cursor:pointer; display:flex; align-items:center; gap:4px; }
.pay-type-select input[type="radio"] { accent-color:var(--primary); }

.transfer-section { margin-top:20px; padding-top:20px; border-top:1px solid var(--border); }

/* Profile */
.profile-item {
    display:flex; align-items:center; padding:14px 0; border-bottom:1px solid var(--border);
}
.profile-item span:first-child { width:70px; font-size:15px; flex-shrink:0; }
.profile-item input, .profile-item select { flex:1; border:none; text-align:right; font-size:15px; outline:none; background:transparent; }
.profile-avatar { width:50px; height:50px; border-radius:10px; overflow:hidden; position:relative; cursor:pointer; margin-left:auto; }
.profile-avatar img { width:100%; height:100%; object-fit:cover; }
.profile-avatar i { position:absolute; bottom:2px; right:2px; background:rgba(0,0,0,0.5); color:#fff; border-radius:50%; padding:2px; font-size:12px; }

/* Image preview */
.image-preview { cursor:pointer; }
.image-preview img { max-width:90%; max-height:90vh; border-radius:8px; object-fit:contain; }

/* Select friends list */
.select-friends-list { max-height:300px; overflow-y:auto; }
.select-friend-item {
    display:flex; align-items:center; gap:10px; padding:10px 0;
    border-bottom:1px solid var(--border); cursor:pointer;
}
.select-friend-item img { width:36px; height:36px; border-radius:8px; object-fit:cover; }
.select-friend-item span { flex:1; font-size:14px; }
.select-friend-item input[type="checkbox"] { accent-color:var(--primary); width:18px; height:18px; }

/* Friend request list */
.friend-request-item {
    display:flex; align-items:center; gap:12px; padding:12px 0;
    border-bottom:1px solid var(--border);
}
.friend-request-item img { width:44px; height:44px; border-radius:8px; object-fit:cover; }
.friend-request-info { flex:1; }
.friend-request-info .name { font-size:15px; font-weight:500; }
.friend-request-info .msg { font-size:13px; color:var(--text-muted); margin-top:2px; }
.friend-request-actions { display:flex; gap:8px; }
.friend-request-actions button {
    padding:6px 14px; border-radius:6px; border:none; font-size:13px; cursor:pointer;
}
.friend-request-actions .accept { background:var(--primary); color:#fff; }
.friend-request-actions .reject { background:var(--bg-gray); color:var(--text-secondary); }

/* Friend card */
.friend-card {
    display:flex; align-items:center; gap:12px; padding:14px; background:var(--bg-gray);
    border-radius:10px; margin-bottom:14px;
}
.friend-card img { width:50px; height:50px; border-radius:10px; object-fit:cover; }
.friend-card .info .name { font-size:16px; font-weight:600; }
.friend-card .info .detail { font-size:13px; color:var(--text-muted); margin-top:2px; }

/* Chat info panel */
.chat-info-section { margin-bottom:16px; }
.chat-info-section h4 { font-size:13px; color:var(--text-muted); margin-bottom:8px; }
.chat-info-member {
    display:flex; align-items:center; gap:10px; padding:8px 0;
}
.chat-info-member img { width:36px; height:36px; border-radius:8px; object-fit:cover; }

/* Toast notification */
.toast {
    position:fixed; top:20px; left:50%; transform:translateX(-50%) translateY(-100px);
    background:rgba(0,0,0,0.75); color:#fff; padding:10px 24px; border-radius:8px;
    font-size:14px; z-index:10000; transition:transform 0.3s ease;
}
.toast.show { transform:translateX(-50%) translateY(0); }

/* Moments panel */
.moments-panel { align-items:stretch; }
.moments-fullscreen {
    width:100%; height:100%; background:var(--bg); display:flex; flex-direction:column;
}
.moments-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 16px; background:var(--bg-white); border-bottom:1px solid var(--border);
}
.moments-header h3 { font-size:17px; font-weight:600; }
.moments-list { flex:1; overflow-y:auto; padding:12px; }
.moments-loading { text-align:center; padding:20px; color:var(--text-muted); font-size:13px; }

.moment-card {
    background:#fff; border-radius:12px; padding:16px; margin-bottom:12px;
    box-shadow:0 1px 4px rgba(0,0,0,0.04);
}
.moment-header {
    display:flex; align-items:center; gap:10px; margin-bottom:10px;
}
.moment-header img { width:42px; height:42px; border-radius:8px; object-fit:cover; }
.moment-header .info .name { font-size:15px; font-weight:600; color:var(--primary); }
.moment-header .info .time { font-size:12px; color:var(--text-muted); }
.moment-content { font-size:15px; line-height:1.6; margin-bottom:10px; }
.moment-images {
    display:grid; gap:4px; margin-bottom:10px;
}
.moment-images.grid-1 { grid-template-columns:1fr; max-width:240px; }
.moment-images.grid-2 { grid-template-columns:1fr 1fr; max-width:300px; }
.moment-images.grid-3 { grid-template-columns:1fr 1fr 1fr; max-width:360px; }
.moment-images.grid-4 { grid-template-columns:1fr 1fr; max-width:300px; }
.moment-images.grid-more { grid-template-columns:1fr 1fr 1fr; max-width:360px; }
.moment-images img { width:100%; aspect-ratio:1; object-fit:cover; border-radius:4px; cursor:pointer; }
.moment-location { font-size:12px; color:var(--text-muted); margin-bottom:8px; display:flex; align-items:center; gap:4px; }

.moment-actions-bar {
    display:flex; align-items:center; justify-content:flex-end; gap:4px;
    padding-top:10px; border-top:1px solid var(--border);
}
.moment-actions-bar button {
    background:none; border:none; cursor:pointer; color:var(--text-muted);
    font-size:18px; padding:4px 8px; border-radius:4px; transition:var(--transition);
}
.moment-actions-bar button:hover { background:var(--bg-gray); }

.moment-comments { margin-top:10px; }
.moment-comment {
    font-size:13px; padding:6px 0; line-height:1.5;
}
.moment-comment .author { color:var(--primary); font-weight:500; }
.moment-comment .reply { color:var(--text-muted); }

.moment-likes { margin-top:8px; }
.moment-likes .like-author { font-size:13px; color:var(--primary); font-weight:500; }

/* Empty states */
.no-data { text-align:center; padding:40px; color:var(--text-muted); font-size:14px; }

/* Loading spinner */
.loading { text-align:center; padding:20px; }
.loading::after {
    content:''; display:inline-block; width:24px; height:24px;
    border:3px solid var(--border); border-top-color:var(--primary);
    border-radius:50%; animation:spin 0.6s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* Create moment */
.moment-images-preview {
    display:flex; flex-wrap:wrap; gap:8px; margin:12px 0;
}
.moment-images-preview img {
    width:80px; height:80px; object-fit:cover; border-radius:8px;
}
.moment-actions {
    display:flex; align-items:center; justify-content:space-between;
    padding-top:12px; border-top:1px solid var(--border);
}

/* Notification center */
.notify-card { max-width:420px; }
.notify-header-actions { display:flex; align-items:center; gap:14px; }
.notify-read-all {
    background:none; border:none; color:var(--primary); font-size:13px;
    cursor:pointer; padding:4px 6px; border-radius:6px; transition:var(--transition);
}
.notify-read-all:hover { background:rgba(7,193,96,0.1); }
.notify-read-all i { margin-right:3px; vertical-align:-1px; }
.notify-close { cursor:pointer; font-size:20px; color:var(--text-muted); }
.notify-close:hover { color:#333; }
.notify-list { flex:1; overflow-y:auto; padding:8px 0; -webkit-overflow-scrolling:touch; }
.notify-item {
    display:flex; align-items:flex-start; gap:12px; padding:14px 20px;
    cursor:pointer; border-bottom:1px solid var(--border); transition:var(--transition);
    position:relative;
}
.notify-item:hover { background:var(--bg-gray); }
.notify-icon {
    flex-shrink:0; width:38px; height:38px; border-radius:10px;
    display:flex; align-items:center; justify-content:center;
    color:#fff; font-size:18px;
}
.notify-body { flex:1; min-width:0; }
.notify-title { font-size:14px; font-weight:600; color:#1a1a1a; margin-bottom:4px; }
.notify-content { font-size:13px; color:#666; line-height:1.5; word-break:break-all; }
.notify-time { font-size:12px; color:#aaa; margin-top:4px; }
.notify-dot {
    position:absolute; top:20px; right:16px; width:8px; height:8px;
    border-radius:50%; background:#FA5151;
}
.notify-empty {
    text-align:center; color:#ccc; padding:48px 0; font-size:14px;
}
.notify-empty::before {
    content:'🔔'; display:block; font-size:38px; margin-bottom:10px;
}

/* Settings panel */
.settings-card { max-width:440px; }
.settings-body { padding:20px; }
.settings-section { margin-bottom:24px; }
.settings-label {
    font-size:14px; font-weight:600; color:#1a1a1a; margin-bottom:12px;
}
.settings-hint { font-size:12px; color:#aaa; margin-top:8px; }
.theme-color-picker { display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.theme-color-btn {
    width:36px; height:36px; border-radius:50%; cursor:pointer;
    position:relative; transition:var(--transition); border:2px solid transparent;
}
.theme-color-btn:hover { transform:scale(1.15); }
.theme-color-btn.active {
    border-color:#333;
}
.theme-color-btn.active::after {
    content:'✓'; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
    color:#fff; font-size:16px; font-weight:700; text-shadow:0 1px 2px rgba(0,0,0,0.4);
}
.custom-color-btn {
    width:36px; height:36px; border-radius:50%; cursor:pointer;
    background:conic-gradient(red,yellow,lime,cyan,blue,magenta,red);
    display:flex; align-items:center; justify-content:center;
    border:2px solid #fff; box-shadow:0 0 0 1px #ddd; position:relative; overflow:hidden;
    transition:transform 0.15s ease;
}
.custom-color-btn:hover { transform:scale(1.15); }
.custom-color-btn i { color:#fff; font-size:18px; text-shadow:0 1px 2px rgba(0,0,0,0.5); pointer-events:none; }
.custom-color-btn input {
    position:absolute; inset:0; width:36px; height:36px; opacity:0; cursor:pointer;
}
.bg-setting-row { display:flex; align-items:center; gap:14px; }
.bg-preview {
    flex-shrink:0; width:64px; height:108px; border-radius:8px;
    background:#f5f5f5; border:1px dashed #d5d5d5;
    display:flex; align-items:center; justify-content:center;
    overflow:hidden;
}
.bg-preview i { font-size:26px; color:#ccc; }
.bg-preview img { width:100%; height:100%; object-fit:cover; }
.bg-actions { display:flex; flex-direction:column; gap:8px; align-items:flex-start; }
.btn-sm-primary {
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff; border:none; border-radius:8px; font-size:13px;
    padding:7px 16px; cursor:pointer; transition:var(--transition);
}
.btn-sm-primary:hover { box-shadow:0 4px 12px rgba(7,193,96,0.3); }
.btn-sm-primary i { margin-right:4px; }
.btn-sm-danger {
    background:transparent; color:var(--danger); border:1px solid var(--danger);
    border-radius:8px; font-size:13px; padding:6px 16px; cursor:pointer;
    transition:var(--transition);
}
.btn-sm-danger:hover { background:var(--danger); color:#fff; }
.btn-sm-danger i { margin-right:4px; }
.save-settings-btn { margin-top:8px; }

/* Group info panel */
.group-info-header {
    display:flex; align-items:center; gap:14px; padding-bottom:16px;
    border-bottom:1px solid var(--border); margin-bottom:4px;
}
.group-info-avatar {
    position:relative; flex-shrink:0; width:56px; height:56px; border-radius:12px;
    overflow:hidden; cursor:default;
}
.group-info-avatar[onclick] { cursor:pointer; }
.group-info-avatar img { width:100%; height:100%; object-fit:cover; }
.group-info-avatar i {
    position:absolute; bottom:0; left:0; right:0; background:rgba(0,0,0,0.45);
    color:#fff; font-size:14px; padding:3px 0; text-align:center; display:none;
}
.group-info-avatar[onclick]:hover i { display:block; }
.group-info-main { flex:1; min-width:0; }
.group-info-name { font-size:17px; font-weight:700; color:#1a1a1a; word-break:break-all; }
.group-info-name i.ri-edit-line { font-size:14px; color:var(--primary); cursor:pointer; margin-left:6px; }
.group-info-no { font-size:13px; color:#666; margin-top:4px; }
.group-info-no i.ri-file-copy-line { cursor:pointer; color:var(--primary); font-size:14px; margin-left:4px; }
.group-info-count { font-size:12px; color:#999; margin-top:4px; }
.group-info-edit-row { display:flex; gap:8px; align-items:center; }
.group-info-edit-row input { flex:1; height:34px; border:1.5px solid var(--primary); border-radius:8px; padding:0 10px; font-size:14px; }
.chat-info-sec-head { display:flex; align-items:center; justify-content:space-between; }
.chat-info-sec-head h4 { margin:0; }
.chat-info-sec-head i.ri-edit-line { cursor:pointer; color:var(--primary); font-size:15px; }
.group-info-ann { font-size:13px; color:#666; line-height:1.6; margin-top:8px; word-break:break-all; }
.join-mode-row {
    display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.join-mode-title { font-size:14px; font-weight:600; color:#1a1a1a; }
.join-mode-sub { font-size:12px; color:#999; margin-top:2px; }
.switch {
    width:46px; height:26px; border-radius:13px; background:#d8d8d8; position:relative;
    cursor:pointer; transition:background 0.2s ease; flex-shrink:0;
}
.switch span {
    position:absolute; top:3px; left:3px; width:20px; height:20px; border-radius:50%;
    background:#fff; transition:left 0.2s ease;
}
.switch.on { background:var(--primary); }
.switch.on span { left:23px; }
.group-member-list { margin-top:8px; }
.group-member-row {
    display:flex; align-items:center; gap:10px; padding:9px 2px;
    border-bottom:1px solid #f7f7f7;
}
.group-member-row:last-child { border-bottom:none; }
.group-member-row img {
    width:36px; height:36px; border-radius:8px; object-fit:cover; flex-shrink:0;
}
.member-info { flex:1; min-width:0; }
.member-name { font-size:14px; font-weight:500; color:#1a1a1a; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.member-sub { font-size:12px; color:#999; margin-top:2px; }
.role-badge {
    flex-shrink:0; font-size:11px; padding:2px 8px; border-radius:4px; font-weight:500;
}
.role-badge.owner { background:#fdf1e0; color:#e6a23c; }
.role-badge.admin { background:#e8f2fe; color:#4a90d9; }
.member-actions { display:flex; gap:6px; flex-shrink:0; }
.btn-mini {
    font-size:12px; padding:4px 10px; border-radius:6px; border:1px solid var(--primary);
    background:#fff; color:var(--primary); cursor:pointer; white-space:nowrap;
}
.btn-mini:hover { background:var(--primary); color:#fff; }
.btn-mini.danger { border-color:var(--danger); color:var(--danger); }
.btn-mini.danger:hover { background:var(--danger); color:#fff; }
.btn-sm-ghost {
    background:transparent; border:1px solid #ddd; color:#666; border-radius:8px;
    font-size:13px; padding:6px 12px; cursor:pointer;
}
.btn-sm-ghost:hover { background:#f5f5f5; }
.join-group-card { display:flex; align-items:center; gap:12px; padding:12px; margin-top:12px; }
.join-group-card img { width:46px; height:46px; border-radius:10px; object-fit:cover; flex-shrink:0; }
.join-group-card .info { flex:1; min-width:0; }
.join-group-card .name { font-size:15px; font-weight:600; }
.join-group-card .detail { font-size:12px; color:#999; margin-top:3px; }