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.step{position:relative;padding:6px 0 16px}.timeline .step:before{content:"";position:absolute;left:-20px;top:8px;width:12px;height:12px;border-radius:999px;background:#fff;border:2px solid var(--c-primary)}.timeline .step.done:before{background:var(--c-primary)}.timeline .step .t{font-weight:600;font-size:13px}.timeline .step .d{font-size:12px;color:var(--c-text-muted)}.setting-grid{display:grid;grid-template-columns:280px 1fr;grid-gap:16px;gap:16px}@media (max-width:880px){.setting-grid{grid-template-columns:1fr}}.setting-nav{display:flex;flex-direction:column;gap:4px}.setting-nav button{padding:10px 12px;border-radius:8px;text-align:left;color:var(--c-text-muted);font-size:14px;display:flex;align-items:center;gap:10px}.setting-nav button:hover{background:var(--c-surface-2);color:var(--c-text)}.setting-nav button.active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600}.toggle{position:relative;width:40px;height:22px;display:inline-block}.toggle 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auto;position:relative}.pie,.pie-inner{border-radius:50%}.pie-inner{position:absolute;inset:25%;background:var(--c-surface);display:grid;place-items:center;text-align:center}.bars{display:flex;align-items:flex-end;gap:8px;height:200px;padding:12px 0;border-bottom:1px solid var(--c-border)}.bars .bar-col{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:4px}.bars .bar-group{display:flex;align-items:flex-end;gap:3px;width:100%;justify-content:center;flex:1 1}.bars .bar{width:18px;background:var(--c-primary);border-radius:4px 4px 0 0;transition:all .3s var(--ease);min-height:2px}.bars .bar-label{font-size:11px;color:var(--c-text-muted)}.search-result-card{border:1px solid var(--c-border);border-radius:10px;padding:14px;display:flex;gap:12px;align-items:center;background:var(--c-surface-2);margin-top:12px}.search-result-card .avatar-sm{width:40px;height:40px;font-size:14px}.choice-tiles{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.choice-tile{padding:16px;border:2px solid var(--c-border);border-radius:10px;text-align:center;cursor:pointer;transition:all .15s var(--ease);background:var(--c-surface)}.choice-tile.active,.choice-tile:hover{border-color:var(--c-primary);background:var(--c-primary-50)}.choice-tile.active{color:var(--c-primary)}.choice-tile i{font-size:24px;display:block;margin-bottom:6px}.choice-tile .title{font-weight:600;font-size:13px}.choice-tile .desc{font-size:11px;color:var(--c-text-muted);margin-top:2px}.radio-row,.radio-row label{display:flex;gap:8px}.radio-row label{flex:1 1;padding:10px 12px;border:1px solid var(--c-border);border-radius:8px;cursor:pointer;align-items:center;font-size:13px}.radio-row label input{margin:0}.radio-row label.active{border-color:var(--c-primary);background:var(--c-primary-50);color:var(--c-primary);font-weight:600}.chat-wrap{display:grid;grid-template-columns:340px 1fr;height:calc(100vh - var(--topbar-h) - 72px);min-height:540px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}@media (max-width:960px){.chat-wrap{grid-template-columns:1fr}.chat-wrap.show-thread .chat-list-pane,.chat-wrap:not(.show-thread) .chat-thread-pane{display:none}}.chat-list-pane{border-right:1px solid var(--c-border);display:flex;flex-direction:column;background:var(--c-surface-2)}.chat-list-header{padding:16px;border-bottom:1px solid var(--c-border);background:var(--c-surface);display:flex;align-items:center;justify-content:space-between;gap:10px}.chat-list-header h3{font-size:16px}.chat-search{padding:10px 16px;background:var(--c-surface);border-bottom:1px solid var(--c-border)}.chat-search .search{margin:0;min-width:0}.chat-section-label{padding:14px 16px 6px;font-size:10.5px;color:var(--c-text-subtle);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.chat-list-scroll{flex:1 1;overflow-y:auto}.chat-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--c-border);cursor:pointer;transition:background .1s var(--ease);background:transparent;width:100%;text-align:left}.chat-item:hover{background:var(--c-surface)}.chat-item.active{background:#eef2ff}.chat-item.pinned{background:#fef3c7}.chat-item.pinned.active{background:#fde68a}.chat-item .avatar-md{width:44px;height:44px;border-radius:999px;flex-shrink:0;display:grid;place-items:center;color:#fff;font-weight:600;font-size:14px}.chat-item .meta{flex:1 1;min-width:0}.chat-item .top{display:flex;justify-content:space-between;gap:8px}.chat-item .name{font-weight:600;font-size:14px;color:var(--c-text)}.chat-item .time{font-size:11px;color:var(--c-text-muted);flex-shrink:0}.chat-item .preview{font-size:12.5px;color:var(--c-text-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item .bottom{display:flex;justify-content:space-between;align-items:center;gap:8px}.chat-item .unread-dot{background:var(--c-primary);color:#fff;min-width:20px;height:20px;padding:0 6px;border-radius:999px;display:grid;place-items:center;font-size:11px;font-weight:700}.chat-hint{padding:12px 16px;margin:12px;border:1px dashed var(--c-border);border-radius:10px;font-size:12px;color:var(--c-text-muted);text-align:center}.ava-building{background:linear-gradient(135deg,#8b5cf6,#4f46e5)}.ava-A{background:linear-gradient(135deg,#a78bfa,#6366f1)}.ava-B{background:linear-gradient(135deg,#67e8f9,#06b6d4)}.ava-C{background:linear-gradient(135deg,#86efac,#16a34a)}.ava-party{background:linear-gradient(135deg,#fb923c,#f97316)}.ava-cart{background:linear-gradient(135deg,#4ade80,#22c55e)}.ava-admin{background:linear-gradient(135deg,#4338ca,#1e1b4b)}.ava-user{background:linear-gradient(135deg,#f472b6,#ec4899)}.chat-thread-pane{display:flex;flex-direction:column;min-width:0;background:var(--c-bg)}.chat-thread-header{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--c-border);background:var(--c-surface)}.chat-thread-header .avatar-md{width:40px;height:40px;font-size:13px}.chat-thread-header .title{font-weight:600;font-size:15px}.chat-thread-header .subtitle{font-size:12px;color:var(--c-text-muted)}.chat-thread-header .back{display:none;width:36px;height:36px;border-radius:8px;align-items:center;justify-content:center;background:var(--c-surface-2)}@media (max-width:960px){.chat-thread-header .back{display:inline-grid}}.chat-messages{flex:1 1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.chat-date-sep{align-self:center;font-size:11px;color:var(--c-text-subtle);background:var(--c-surface);border:1px solid var(--c-border);padding:3px 10px;border-radius:999px}.msg-row{display:flex;gap:10px;max-width:72%}.msg-row.from-admin{align-self:flex-end;flex-direction:row-reverse;text-align:right}.msg-row .avatar-sm{width:32px;height:32px;color:#fff;font-size:12px;flex-shrink:0}.msg-row .avatar-sm.bg-admin{background:linear-gradient(135deg,#4338ca,#1e1b4b)}.msg-row .avatar-sm.bg-user{background:linear-gradient(135deg,#f472b6,#ec4899)}.msg-row .avatar-sm.bg-other{background:linear-gradient(135deg,#a78bfa,#6366f1)}.msg-body{display:flex;flex-direction:column;gap:4px;min-width:0}.msg-name{font-size:12px;font-weight:600;color:var(--c-primary)}.msg-row.from-admin .msg-name{color:var(--c-primary-600)}.msg-bubble{background:var(--c-surface);border:1px solid var(--c-border);border-radius:14px;padding:10px 14px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word;box-shadow:0 1px 1px rgba(15,23,42,.03)}.msg-row.from-admin .msg-bubble{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}.msg-bubble.notice{background:#fef3c7;border:1px dashed #f59e0b;color:#78350f}.msg-time{font-size:11px;color:var(--c-text-muted);display:flex;align-items:center;gap:4px}.msg-row.from-admin .msg-time{justify-content:flex-end}.msg-time .ticks{color:var(--c-primary)}.msg-file{display:flex;gap:10px;align-items:center;padding:2px 0}.msg-file .file-ico{width:40px;height:40px;border-radius:8px;background:var(--c-primary-50);color:var(--c-primary);display:grid;place-items:center;font-size:16px;flex-shrink:0}.msg-file .file-name{font-size:13.5px;font-weight:600;color:var(--c-text)}.msg-file .file-size{font-size:11.5px;color:var(--c-text-muted)}.chat-composer{border-top:1px solid var(--c-border);padding:12px 16px;background:var(--c-surface);display:flex;align-items:center;gap:10px}.chat-composer .input{flex:1 1;display:flex;align-items:center;gap:8px;background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:999px;padding:6px 14px}.chat-composer .input i{color:var(--c-text-subtle)}.chat-composer .input input{flex:1 1;border:0;background:transparent;padding:8px 0;outline:none}.chat-composer .send-btn{width:40px;height:40px;border-radius:999px;background:var(--c-primary);color:#fff;display:grid;place-items:center;box-shadow:0 4px 14px rgba(79,70,229,.35)}.chat-composer .send-btn:disabled{opacity:.5;box-shadow:none}.chat-composer .notice-btn{background:#fef3c7;color:#b45309;border:1px dashed #f59e0b}.chat-empty{flex:1 1;display:grid;place-items:center;padding:40px;color:var(--c-text-muted);text-align:center}.chat-empty i{font-size:40px;color:var(--c-text-subtle);margin-bottom:12px;display:block}