:root{--bg:#f4f6fb;--panel:#fff;--ink:#182032;--muted:#7b8498;--line:#e7eaf1;--brand:#5b5ce2;--brand2:#8c6ff7;--good:#16a47a;--warn:#f59f0b;--bad:#ef5b64;--nav:#0d1325;--shadow:0 18px 50px rgba(27,39,81,.10);--radius:20px}*{box-sizing:border-box}body{margin:0;font-family:'DM Sans','Noto Sans SC',sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.hidden{display:none!important}.icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center}.login-page{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr;background:var(--nav);overflow:hidden}.login-visual{position:relative;padding:54px 7vw;color:#fff;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(circle at 20% 15%,rgba(118,91,255,.42),transparent 35%),radial-gradient(circle at 80% 85%,rgba(0,202,255,.18),transparent 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6vw;background:#fafbfc;display:flex;flex-direction:column;gap:16px}.message-row{display:flex;gap:10px;align-items:flex-start}.message-row.mine{flex-direction:row-reverse}.message-wrap{max-width:72%}.message-meta{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);margin:0 4px 5px}.mine .message-meta{justify-content:flex-end}.message-bubble{background:#f0f2f7;border-radius:5px 16px 16px 16px;padding:11px 13px;font-size:13px;line-height:1.55;word-break:break-word}.mine .message-bubble{background:#6566e7;color:#fff;border-radius:16px 5px 16px 16px}.message-bubble.recalled{color:var(--muted);background:#f5f5f7}.message-actions{display:flex;gap:8px;padding:4px;font-size:10px;color:var(--muted)}.mine .message-actions{justify-content:flex-end}.message-actions button{border:0;background:none;color:var(--muted);padding:0}.mention{background:#dfe0ff;color:#4c4dcc;border-radius:4px;padding:1px 3px}.mention.mine{background:#fff0b9;color:#8a5c00}.chat-image img{display:block;max-width:240px;max-height:180px;border-radius:10px;margin-top:8px}.chat-file{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.75);color:var(--ink);padding:10px;border-radius:10px;margin-top:8px;text-decoration:none;min-width:210px}.chat-file span{font-size:24px;color:var(--brand)}.chat-file small{display:block;color:var(--muted)}.chat-files{padding:0 18px;display:flex;gap:7px;flex-wrap:wrap}.chat-files>span{background:#ececff;color:var(--brand);padding:6px 9px;border-radius:8px;font-size:11px}.chat-files button{border:0;background:none;color:var(--bad)}.chat-compose{padding:14px 6vw;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:end}.chat-compose textarea{border:1px solid var(--line);border-radius:12px;resize:none;min-height:45px;max-height:110px;padding:11px;outline:none}.attach-btn{width:38px;height:38px;border-radius:11px;background:#f0f1f6;color:var(--brand);display:grid;place-items:center;font-size:22px;cursor:pointer}.attach-btn input{display:none}.mention-popup{position:absolute;left:60px;bottom:72px;width:230px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:7px;box-shadow:var(--shadow);z-index:5}.mention-popup button{width:100%;border:0;background:#fff;padding:8px;border-radius:8px;text-align:left;display:flex;align-items:center;gap:8px}.mention-popup button:hover{background:#f2f2ff}.notice-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:12px;margin-bottom:10px;cursor:pointer}.notice-card.unread{border-left:4px solid var(--brand);background:#fafaff}.notice-card>span{font-size:10px;color:var(--brand);font-weight:700}.notice-card h4{margin:6px 0;font-size:13px}.notice-card p{font-size:11px;line-height:1.55;color:#626b7d;margin:0 0 7px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.notice-card time,.notice-card small{display:block;font-size:10px;color:var(--muted);margin-top:4px}
@media(max-width:1050px){.mail-search{max-width:none}.chat-layout{grid-template-columns:210px 1fr}.chat-notices{display:none}.stats{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.ticket-card{grid-template-columns:1fr;gap:18px}.devices-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.chat-page-main{grid-template-rows:60px 1fr}.mail-topbar{padding:0 10px;gap:8px}.mail-topbar .brand{min-width:auto}.mail-topbar .brand>span:last-child,.mail-top-actions>div,.mail-top-actions .live-indicator{display:none}.mail-search{height:37px}.mail-workspace{padding:0}.chat-layout{height:100%;min-height:0;border:0;border-radius:0;grid-template-columns:80px 1fr}.chat-sidebar{padding:8px}.chat-contact{padding:8px;justify-content:center}.chat-contact>div,.chat-contact em,.chat-side-title{display:none}.chat-header{padding:0 12px}.chat-messages{padding:13px}.message-wrap{max-width:86%}.chat-compose{padding:10px;grid-template-columns:35px 1fr auto}.chat-compose .btn{padding:10px}.login-page{grid-template-columns:1fr}.login-visual{display:none}.login-panel{border-radius:0;min-height:100vh;padding:28px}.app-shell{grid-template-columns:1fr;min-height:100vh}.sidebar{display:none!important}.mobile-menu{display:none!important}.bottom-tab-bar{display:flex!important;position:fixed;bottom:0;left:0;right:0;z-index:90;height:calc(56px + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);background:rgba(255,255,255,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--line);box-shadow:0 -4px 20px rgba(18,25,48,.05);align-items:center;justify-content:space-around;overflow-x:auto;scrollbar-width:none}.bottom-tab-bar::-webkit-scrollbar{display:none}.bottom-tab-item{flex:1 0 auto;min-width:48px;height:100%;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:2px 2px;color:#8c95a8;cursor:pointer;font-size:11px;font-weight:500;text-align:center;transition:all .15s ease;-webkit-tap-highlight-color:transparent}.bottom-tab-icon{font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;width:28px;height:26px;border-radius:8px;transition:transform .15s ease}.bottom-tab-label{font-size:10px;line-height:1.2;white-space:nowrap}.bottom-tab-item:active .bottom-tab-icon{transform:scale(.9)}.bottom-tab-item.active{color:var(--brand);font-weight:700}.bottom-tab-item.active .bottom-tab-icon{background:#eeeeff;color:var(--brand);transform:scale(1.06)}.topbar{padding:0 16px;height:60px}.topbar .page-title h1{font-size:18px}.topbar .page-title p{font-size:11px}.date-pill{display:none}.content{padding:16px 14px calc(76px + env(safe-area-inset-bottom,0px))}.chat-page-main{height:calc(100vh - 56px - env(safe-area-inset-bottom,0px))}.stats{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:15px}.stat-number{font-size:24px}.panel{padding:16px}.form-grid,.detail-grid{grid-template-columns:1fr}.type-selector{grid-template-columns:1fr}.ticket-card{padding:15px}.progress{margin-top:5px}.devices-grid{grid-template-columns:1fr}.toast-root{left:16px;right:16px}.toast{text-align:center}}