:root{color-scheme:dark;--ibom-bg: #050706;--ibom-surface: #0c0f0d;--ibom-surface-raised: #121613;--ibom-surface-hover: #171c18;--ibom-border: rgba(255, 255, 255, .11);--ibom-border-strong: rgba(255, 255, 255, .18);--ibom-text: #f5f7f5;--ibom-text-secondary: #a7afa9;--ibom-text-muted: #717973;--ibom-green: #26ee6d;--ibom-green-strong: #10d468;--ibom-green-soft: rgba(38, 238, 109, .1);--ibom-green-glow: rgba(38, 238, 109, .24);--ibom-danger: #ff6577}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{height:100%;background:var(--ibom-bg);color:var(--ibom-text);font-family:MiSans,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:15px;-webkit-font-smoothing:antialiased}body{height:100dvh;overflow:hidden;background:var(--ibom-bg)}button,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,textarea:focus-visible,a:focus-visible{outline:2px solid var(--ibom-green);outline-offset:2px}#root{height:100%}.app-layout{display:flex;height:100%;background:radial-gradient(ellipse 75% 55% at 50% -12%,rgba(38,238,109,.08),transparent 64%),var(--ibom-bg)}.main-area{position:relative;flex:1;display:flex;flex-direction:column;min-width:0}.app-header{display:flex;align-items:center;justify-content:space-between;flex:0 0 64px;height:64px;padding:0 20px;border-bottom:1px solid var(--ibom-border);background:#050706d6;-webkit-backdrop-filter:blur(22px) saturate(1.15);backdrop-filter:blur(22px) saturate(1.15);z-index:10}.app-brand{display:flex;align-items:center;min-width:0}.app-brand-logo{color:#fff;font-size:21px;font-weight:800;letter-spacing:.025em}.app-brand-logo:after{content:".";color:var(--ibom-green)}.app-brand-divider{width:1px;height:16px;margin:0 10px;background:var(--ibom-border-strong)}.app-brand-label{color:var(--ibom-text-secondary);font-size:12px;font-weight:600;white-space:nowrap}.online-status{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid rgba(38,238,109,.2);border-radius:999px;background:#26ee6d0f;color:#b9f9ce;font-size:11px;font-weight:600}.online-status-dot{width:7px;height:7px;border-radius:50%;background:var(--ibom-green);box-shadow:0 0 0 3px #26ee6d1f,0 0 12px var(--ibom-green-glow)}.sidebar{width:288px;flex-shrink:0;display:flex;flex-direction:column;z-index:20;border-right:1px solid var(--ibom-border);background:#080a09fa;color:var(--ibom-text-secondary);transition:transform .22s ease}.sidebar-header{padding:22px 16px 16px;border-bottom:1px solid var(--ibom-border)}.sidebar-brand{display:flex;align-items:baseline;gap:8px;min-height:28px;margin:0 46px 24px 0}.sidebar-brand span{color:#fff;font-size:22px;font-weight:800;letter-spacing:.02em}.sidebar-brand span:after{content:".";color:var(--ibom-green)}.sidebar-brand small{color:var(--ibom-text-muted);font-size:11px}.sidebar-header h2{margin-bottom:12px;color:var(--ibom-text-secondary);font-size:12px;font-weight:600;letter-spacing:.08em}.btn-new{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;min-height:42px;padding:10px 14px;border:1px solid rgba(255,255,255,.3);border-radius:10px;background:linear-gradient(135deg,var(--ibom-green) 0%,#9df33f 100%);box-shadow:inset 0 1px #ffffff73,0 10px 26px #26ee6d21;color:#06110a;cursor:pointer;font-size:13px;font-weight:750;transition:transform .16s ease,box-shadow .16s ease,filter .16s ease}.btn-new:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 12px 30px #26ee6d33}.conversation-list{flex:1;overflow-y:auto;padding:12px 9px}.conv-item{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;margin-bottom:4px;padding:10px 10px 10px 12px;border:1px solid transparent;border-radius:9px;cursor:pointer;transition:background .14s ease,border-color .14s ease}.conv-item:hover{border-color:var(--ibom-border);background:var(--ibom-surface-raised)}.conv-item.active{border-color:#26ee6d38;background:var(--ibom-green-soft);color:#eafff0}.conv-title{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.btn-delete{flex-shrink:0;width:26px;height:26px;padding:0;border:0;border-radius:7px;background:transparent;color:#69716c;cursor:pointer;font-size:18px;line-height:1}.btn-delete:hover{background:#ff65771f;color:var(--ibom-danger)}.hamburger{display:none;position:fixed;top:13px;left:12px;z-index:30;width:38px;height:38px;padding:0;border:1px solid var(--ibom-border-strong);border-radius:10px;background:#0f1210f0;box-shadow:0 8px 24px #00000052;color:#fff;cursor:pointer;font-size:17px}.hamburger:hover{border-color:#26ee6d66;color:var(--ibom-green)}.overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:15;background:#000000ad;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.chat-area{flex:1;min-height:0;overflow-y:auto;padding:22px 18px 28px;scroll-behavior:smooth}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:100%;padding:18px 0 12px;text-align:center}.welcome-icon{position:relative;display:grid;place-items:center;width:62px;height:62px;margin-bottom:14px;border:1px solid rgba(38,238,109,.28);border-radius:19px;background:linear-gradient(145deg,#26ee6d29,#26ee6d08);box-shadow:inset 0 1px #ffffff17,0 18px 44px #00000057,0 0 32px 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ease}.suggestion-btn:hover{transform:translateY(-1px);border-color:#26ee6d73;background:linear-gradient(180deg,#181f1afa,#0c110efa);box-shadow:0 10px 28px #00000047,0 0 0 1px #26ee6d0a;color:#fff}.suggestion-arrow{flex-shrink:0;color:var(--ibom-green);font-size:14px;opacity:.75}.message-list{width:min(100%,820px);margin:0 auto}.message{display:flex;gap:10px;margin-bottom:18px}.message.user{flex-direction:row-reverse}.message-avatar{display:grid;place-items:center;flex:0 0 34px;width:34px;height:34px;border:1px solid var(--ibom-border);border-radius:10px;background:var(--ibom-surface-raised);font-size:15px}.message.assistant .message-avatar{border-color:#26ee6d38;background:var(--ibom-green-soft)}.message.user .message-avatar{background:#202522}.message-body{max-width:min(86%,690px)}.message.user .message-body{max-width:78%}.message-content{padding:12px 14px;border:1px solid var(--ibom-border);border-radius:6px 14px 14px;background:#0f1210f0;box-shadow:0 10px 28px #00000029;color:#e7ebe8;font-size:13px;line-height:1.7}.message.user .message-content{border-color:#26ee6d4d;border-radius:14px 6px 14px 14px;background:linear-gradient(135deg,#20e866,#8cea3a);color:#07120b;font-weight:520}.message-content p{margin-bottom:8px}.message-content p:last-child{margin-bottom:0}.message-content h1,.message-content h2,.message-content h3{margin:14px 0 7px;color:#fff;font-size:1em}.message-content ul,.message-content ol{margin-bottom:8px;padding-left:20px}.message-content li+li{margin-top:3px}.message-content strong{color:#fff;font-weight:700}.message.user .message-content strong{color:#07120b}.message-content a{color:var(--ibom-green)}.message-content pre{margin:8px 0;padding:10px;overflow-x:auto;border:1px solid var(--ibom-border);border-radius:8px;background:#070908;font-size:12px}.message-content code{padding:2px 5px;border-radius:4px;background:#ffffff14;font-size:.86em}.message.user .message-content pre,.message.user .message-content code{background:#0000001f}.cursor-blink{color:var(--ibom-green);animation:blink 1s step-end infinite}@keyframes blink{50%{opacity:0}}.typing-indicator{display:flex;gap:5px;padding:12px 16px}.typing-indicator span{width:7px;height:7px;border-radius:50%;background:var(--ibom-green);animation:typeBounce 1.4s infinite ease-in-out both}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typeBounce{0%,80%,to{transform:scale(.55);opacity:.35}40%{transform:scale(1);opacity:1}}.region-badge{display:inline-flex;margin:0 0 6px 2px;padding:3px 8px;border:1px solid var(--ibom-border);border-radius:999px;font-size:10px;font-weight:650}.region-badge.hk{border-color:#59b1ff3d;background:#59b1ff14;color:#94ccff}.region-badge.cn{border-color:#26ee6d33;background:var(--ibom-green-soft);color:#a9f5c2}.sources-block{margin-top:8px}.sources-toggle{padding:5px 2px;border:0;background:none;color:#8cebab;cursor:pointer;font-size:11px;font-weight:600}.sources-toggle:hover{color:var(--ibom-green)}.sources-list{display:flex;flex-direction:column;gap:6px;margin-top:7px}.source-item{padding:10px 11px;border:1px solid var(--ibom-border);border-radius:9px;background:#0c0f0df2}.source-header{display:flex;align-items:center;gap:7px;margin-bottom:5px}.source-region{padding:2px 6px;border-radius:5px;background:var(--ibom-green-soft);color:#9ff0ba;font-size:9px}.source-title{color:#e5e9e6;font-size:11px;font-weight:650}.source-snippet{color:var(--ibom-text-secondary);font-size:10px;line-height:1.5}.source-url{display:block;margin-top:5px;color:var(--ibom-green);font-size:9px;word-break:break-all}.btn-speak{margin-top:6px;padding:4px 8px;border:1px solid var(--ibom-border);border-radius:7px;background:transparent;color:var(--ibom-text-muted);cursor:pointer;font-size:11px}.btn-speak:hover,.btn-speak.active{border-color:#26ee6d57;background:var(--ibom-green-soft);color:var(--ibom-green)}.input-bar{width:100%;padding:12px 16px max(14px,env(safe-area-inset-bottom));border-top:1px solid var(--ibom-border);background:linear-gradient(180deg,#050706db,#050706fa 26%);-webkit-backdrop-filter:blur(24px) saturate(1.1);backdrop-filter:blur(24px) saturate(1.1)}.input-row{display:flex;align-items:flex-end;gap:8px;width:min(100%,820px);margin:0 auto}.btn-mic{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;padding:0;border:1px solid var(--ibom-border-strong);border-radius:11px;background:var(--ibom-surface-raised);color:#d9dfda;cursor:pointer;font-size:16px}.btn-mic:hover{border-color:#26ee6d5c;background:var(--ibom-surface-hover)}.btn-mic.active{border-color:#ff657780;color:var(--ibom-danger)}.btn-mic:disabled{cursor:not-allowed;opacity:.4}.input-textarea{flex:1;min-height:42px;max-height:120px;padding:10px 13px;resize:none;border:1px solid var(--ibom-border-strong);border-radius:11px;outline:none;background:var(--ibom-surface-raised);color:var(--ibom-text);caret-color:var(--ibom-green);font-size:13px;line-height:1.5;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.input-textarea::placeholder{color:#747c76}.input-textarea:focus{border-color:#26ee6d8c;background:#141815;box-shadow:0 0 0 3px #26ee6d14}.input-textarea:disabled{opacity:.68}.btn-send,.btn-stop{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;padding:0;border-radius:11px;cursor:pointer;font-size:18px;font-weight:800}.btn-send{border:1px solid rgba(255,255,255,.28);background:linear-gradient(135deg,var(--ibom-green),#9df33f);box-shadow:inset 0 1px #ffffff73,0 8px 22px #26ee6d2e;color:#06110a}.btn-send:hover:not(:disabled){filter:brightness(1.05);transform:translateY(-1px)}.btn-send:disabled{cursor:not-allowed;filter:grayscale(.5);opacity:.28}.btn-stop{border:1px solid rgba(255,101,119,.35);background:#ff65771f;color:#ff8795}.disclaimer{margin-top:7px;color:#656d67;font-size:9px;text-align:center}.chat-area,.conversation-list{scrollbar-color:rgba(38,238,109,.28) transparent;scrollbar-width:thin}.chat-area::-webkit-scrollbar,.conversation-list::-webkit-scrollbar{width:5px}.chat-area::-webkit-scrollbar-track,.conversation-list::-webkit-scrollbar-track{background:transparent}.chat-area::-webkit-scrollbar-thumb,.conversation-list::-webkit-scrollbar-thumb{border-radius:999px;background:#26ee6d3d}@media(max-width:768px){.sidebar{position:fixed;inset:0 auto 0 0;width:min(310px,84vw);transform:translate(-100%);box-shadow:24px 0 70px #0000008c}.sidebar.open{transform:translate(0)}.overlay{display:block}.hamburger{display:grid;place-items:center}.hamburger.menu-open{left:calc(min(310px,84vw) - 50px);border-color:#26ee6d47;background:#0e120ffa;color:var(--ibom-green);box-shadow:0 8px 24px #0000006b}.app-header{padding-left:62px}}@media(max-width:480px){.app-header{flex-basis:62px;height:62px;padding-right:14px}.app-brand-divider{margin:0 8px}.online-status{padding:5px 8px}.chat-area{padding:16px 14px 22px}.welcome-screen{justify-content:center;padding:20px 0 42px}.welcome-icon{width:58px;height:58px;margin-bottom:12px;border-radius:17px}.suggestion-grid{margin-top:24px}.suggestion-btn{min-height:57px;padding:10px 11px;font-size:11px}.input-bar{padding-inline:12px}.message-body{max-width:88%}.message.user .message-body{max-width:82%}.message-avatar{flex-basis:31px;width:31px;height:31px;border-radius:9px;font-size:13px}.message-content{padding:11px 12px;font-size:12px}}@media(max-width:360px){.online-status{display:none}.suggestion-grid{grid-template-columns:1fr}.suggestion-btn{min-height:46px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}