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transparent;background:none;cursor:pointer;font-weight:700;font-size:.88rem;transition:.15s;width:100%;text-align:left}.tab:hover{background:#ffffff0a}.tab.active{background:linear-gradient(135deg,rgba(var(--accent-rgb),.18),#22d3ee14);color:#fff;border-color:rgba(var(--accent-rgb),.16)}.tab small{font-size:.75rem;color:var(--subtle);font-weight:500}.settings-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}.settings-item+.settings-item{border-top:1px solid rgba(255,255,255,.07)}.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.theme{border-radius:20px;border:1px solid var(--line);background:#ffffff09;padding:14px;cursor:pointer;transition:.15s;text-align:left}.theme:hover{background:var(--hover)}.theme.active{border-color:rgba(var(--accent-rgb),.34);box-shadow:inset 0 0 0 1px rgba(var(--accent-rgb),.18);background:rgba(var(--accent-rgb),.1)}.theme-preview{height:96px;border-radius:16px;margin-bottom:12px;border:1px solid rgba(255,255,255,.06)}.theme strong{display:block}.switch{width:52px;height:30px;padding:4px;border-radius:999px;background:#ffffff1a;position:relative;border:none;cursor:pointer;flex-shrink:0;transition:.18s}.switch:after{content:"";position:absolute;left:4px;top:4px;width:22px;height:22px;border-radius:999px;background:#fff;transition:transform .18s ease}.switch.on{background:rgba(var(--accent-rgb),.9)}.switch.on:after{transform:translate(22px)}.device{border-radius:16px;border:1px solid var(--line);background:#ffffff09;padding:14px}.device.current{border-color:rgba(var(--accent-rgb),.34);background:rgba(var(--accent-rgb),.1)}.input{height:48px;border-radius:18px;border:1px solid var(--line);background:var(--card);display:flex;align-items:center;gap:12px;padding:0 14px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.input input,.input textarea{flex:1;min-width:0}.select{height:42px;padding:0 14px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--text);font-size:.84rem;cursor:pointer;min-width:160px}.primary{height:42px;padding:0 18px;border-radius:14px;font-weight:700;background:linear-gradient(135deg,rgba(var(--accent-rgb),1),#22d3eed6);color:#fff;border:none;cursor:pointer;transition:.15s}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%) translateY(80px);padding:12px 24px;border-radius:16px;border:1px solid rgba(255,255,255,.1);background:#0f172ae0;box-shadow:0 18px 48px #02061780;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);opacity:0;pointer-events:none;transition:all .35s cubic-bezier(.2,.9,.3,1);z-index:30;font-size:13px}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.hidden{display:none!important}.new-dm-search{padding:8px 20px;border-bottom:1px solid 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.main{display:flex;width:100%}.app.sidebar-only .sidebar{display:flex;min-height:100vh;width:100%}.app.sidebar-only .main{display:none}.mobile-back{display:grid!important}.messages{padding:16px 12px}.msg{max-width:88%}.compose{padding:12px 12px 16px}.compose-row{gap:6px}.compose textarea{min-height:46px;padding:12px 14px;font-size:16px}.compose .icon{width:36px;height:36px;border-radius:12px}.send{height:46px;width:46px;padding:0;border-radius:14px}.header{min-height:64px;padding:14px 16px 10px}.brand .title{font-size:18px}.search-wrap{padding:0 16px 10px}.search{height:44px;border-radius:14px;padding:0 12px}.filters{padding:0 16px 10px;gap:6px}.pill{min-height:32px;padding:0 12px;font-size:11px}.chat{padding:10px;gap:12px;margin:0 6px 4px;border-radius:16px}.avatar{width:44px;height:44px;border-radius:14px}.footer{padding:12px 16px 16px}.chat-header{min-height:60px;padding:12px 14px}.head-title{font-size:16px}.chat-header .avatar{width:40px;height:40px;border-radius:14px}.chat-header .icon{width:36px;height:36px;border-radius:12px}.empty{padding:24px 20px}.empty h1{font-size:24px}.empty p{font-size:14px}.settings{grid-template-columns:1fr;height:calc(100vh - 16px);border-radius:20px}.settings-nav{flex-direction:row;overflow-x:auto;max-height:none;padding:12px;gap:6px;border-right:0;border-bottom:1px solid var(--line)}.settings-nav .brand{display:none}.tab{min-height:38px;white-space:nowrap;font-size:.8rem;padding:0 12px}.tab small{display:none}.settings-body{grid-template-columns:1fr;padding:16px}.settings-head{padding:16px}.msg-file-img{max-width:100%}}@media(max-width:480px){.header{padding:12px 14px 8px;min-height:56px}.search{height:40px}.chat{padding:8px 10px;gap:10px;margin:0 4px 3px;border-radius:14px}.avatar{width:40px;height:40px;border-radius:12px}.chat:after{left:60px}.chat-header{min-height:54px;padding:10px 12px;gap:10px}.head-main{gap:10px}.head-title{font-size:15px;margin-bottom:2px}.chat-header .avatar{width:36px;height:36px;border-radius:12px}.chat-header .row{gap:2px}.chat-header .icon{width:32px;height:32px;border-radius:10px}.chat-header .icon svg{width:18px;height:18px}.messages{padding:12px 8px;gap:6px}.msg{max-width:90%;padding:10px 12px 8px;border-radius:18px;font-size:14px}.msg.in{border-top-left-radius:6px}.msg.out{border-top-right-radius:6px}.compose{padding:8px 10px 12px}.compose-row{gap:4px}.compose .icon{width:32px;height:32px;border-radius:10px}.compose .icon svg{width:18px;height:18px}.compose textarea{min-height:40px;padding:10px 12px;border-radius:14px;font-size:16px}.send{height:40px;width:40px;border-radius:12px}.send svg{width:18px;height:18px}.empty h1{font-size:20px}.empty p{font-size:13px}.modal{padding:8px}.settings{border-radius:16px;height:calc(100vh - 16px)}.settings-head,.settings-body{padding:12px}.toast{bottom:16px;padding:10px 16px;font-size:12px;border-radius:12px}}@media(display-mode:standalone){.app{padding-top:env(safe-area-inset-top)}.compose{padding-bottom:calc(12px + env(safe-area-inset-bottom))}}@media (hover:none)and(pointer:coarse){.msg-actions-bar{display:none}.icon{min-width:36px;min-height:36px}.pill{min-height:36px}}