*{margin:0;padding:0;box-sizing:border-box}:root{--bg-base: linear-gradient(135deg, #e8f0fe 0%, #f3e8ff 45%, #e0f7f4 100%);--text: #1c2333;--text-dim: #5b6478;--glass-bg: rgba(255, 255, 255, .55);--glass-bg-strong: rgba(255, 255, 255, .72);--glass-border: rgba(255, 255, 255, .75);--glass-inner: rgba(255, 255, 255, .35);--glass-shadow: 0 8px 32px rgba(80, 100, 160, .18);--hover-bg: rgba(255, 255, 255, .5);--active-bg: rgba(255, 255, 255, .8);--accent: #6366f1;--accent-2: #22d3ee;--accent-3: #a78bfa;--danger: #e5484d;--blob-1: rgba(99, 102, 241, .35);--blob-2: rgba(34, 211, 238, .32);--blob-3: rgba(244, 114, 182, .28);--code-bg: rgba(255, 255, 255, .65);--input-bg: rgba(255, 255, 255, .4)}:root[data-theme=dark]{--bg-base: linear-gradient(135deg, #0b1020 0%, #141127 50%, #0a1622 100%);--text: #e9ecf5;--text-dim: #8b93a9;--glass-bg: rgba(22, 28, 45, .55);--glass-bg-strong: rgba(24, 30, 48, .78);--glass-border: rgba(255, 255, 255, .12);--glass-inner: rgba(255, 255, 255, .05);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .45);--hover-bg: rgba(255, 255, 255, .06);--active-bg: rgba(255, 255, 255, .12);--accent: #818cf8;--accent-2: #22d3ee;--accent-3: #c4b5fd;--danger: #ff6369;--blob-1: rgba(99, 102, 241, .4);--blob-2: rgba(14, 165, 233, .3);--blob-3: rgba(217, 70, 239, .25);--code-bg: rgba(10, 14, 26, .6);--input-bg: rgba(255, 255, 255, .06)}@media(prefers-color-scheme:dark){:root[data-theme=auto]{--bg-base: linear-gradient(135deg, #0b1020 0%, #141127 50%, #0a1622 100%);--text: #e9ecf5;--text-dim: #8b93a9;--glass-bg: rgba(22, 28, 45, .55);--glass-bg-strong: rgba(24, 30, 48, .78);--glass-border: rgba(255, 255, 255, .12);--glass-inner: rgba(255, 255, 255, .05);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .45);--hover-bg: rgba(255, 255, 255, .06);--active-bg: rgba(255, 255, 255, .12);--accent: #818cf8;--accent-2: #22d3ee;--accent-3: #c4b5fd;--danger: #ff6369;--blob-1: rgba(99, 102, 241, .4);--blob-2: rgba(14, 165, 233, .3);--blob-3: rgba(217, 70, 239, .25);--code-bg: rgba(10, 14, 26, 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h3{font-size:15px;margin:0 0 14px;color:var(--text)}.settings-section h3:not(:first-child){margin-top:26px}.settings-subsection{margin-top:24px;padding-top:18px;border-top:1px solid var(--glass-border)}.settings-subsection h4{font-size:13.5px;margin:0 0 12px;color:var(--text)}.settings-field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.settings-field>label{font-size:12.5px;color:var(--text-dim)}.settings-static{font-size:14px;color:var(--text)}.settings-inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.settings-input{flex:1;min-width:0;padding:8px 12px;border-radius:10px;border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text);font-size:14px}.settings-input:focus{outline:none;border-color:var(--accent)}.settings-btn{padding:8px 14px;border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text);border-radius:10px;font-size:13px;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s}.settings-btn:hover:not(:disabled){background:var(--hover-bg)}.settings-btn.active{background:color-mix(in srgb,var(--accent) 16%,transparent);border-color:var(--accent);color:var(--accent)}.settings-btn.danger{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,transparent)}.settings-btn.danger:hover:not(:disabled){background:color-mix(in srgb,var(--danger) 12%,transparent)}.settings-btn:disabled{opacity:.5;cursor:not-allowed}.settings-msg{font-size:12.5px;margin:8px 0 0}.settings-msg.ok{color:var(--accent)}.settings-msg.err{color:var(--danger)}.settings-hint{font-size:12.5px;color:var(--text-dim);margin:8px 0 0;line-height:1.6}.usage-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.usage-card{padding:16px;border:1px solid var(--border);border-radius:14px;background:color-mix(in srgb,var(--card) 72%,transparent)}.usage-card h4{margin:0 0 8px;font-size:14px}.usage-card>strong{display:block;font-size:19px;color:var(--accent)}.usage-card dl{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 0}.usage-card dt{color:var(--text-muted);font-size:12px}.usage-card dd{margin:3px 0 0;font-size:13px}@media(max-width:520px){.usage-grid{grid-template-columns:1fr}}.login-list{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.login-item{padding:10px 14px;border-radius:12px;background:var(--glass-bg);border:1px solid var(--glass-border)}.login-main{display:flex;justify-content:space-between;align-items:center;gap:8px}.login-device{font-size:13.5px;color:var(--text);font-weight:600}.login-method{font-size:12px;color:var(--accent)}.login-meta{display:flex;justify-content:space-between;gap:8px;margin-top:4px;font-size:12px;color:var(--text-dim)}@media(max-width:640px){.settings-modal{flex-direction:column;height:90vh}.settings-nav{width:100%;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--glass-border);padding:12px}.settings-title{display:none}}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 4px 12px}.topbar-left,.topbar-right{display:flex;align-items:center;gap:10px}.icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center}.theme-icon{width:19px;height:19px;flex-shrink:0;background-color:currentColor;-webkit-mask:var(--theme-icon-url) center / contain no-repeat;mask:var(--theme-icon-url) center / contain no-repeat}.model-select{position:relative}.model-btn{display:flex;align-items:center;gap:8px;padding:9px 16px;font-size:14px;font-weight:500}.model-dot{width:8px;height:8px;border-radius:50%;background:var(--danger);flex-shrink:0}.model-dot[data-ok=true]{background:#34d399;box-shadow:0 0 8px #34d399b3}.caret{font-size:11px;color:var(--text-dim);transition:transform .2s}.caret.up{transform:rotate(180deg)}.model-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:280px;max-height:min(420px,60vh);overflow-y:auto;padding:6px;z-index:20;border-radius:16px;background:var(--glass-bg-strong);animation:menu-in .18s cubic-bezier(.22,1,.36,1)}@keyframes menu-in{0%{opacity:0;transform:translateY(-6px) scale(.98)}}.model-option{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:none;background:none;border-radius:11px;color:var(--text);font-size:14px;cursor:pointer;text-align:left;transition:background .15s}.model-option:hover{background:var(--hover-bg)}.model-option.active{background:var(--active-bg)}.model-option-text{display:flex;flex-direction:column;flex:1;min-width:0}.model-option-text small{color:var(--text-dim);font-size:11.5px}.check{color:var(--accent);font-weight:700}.user-menu{position:relative}.avatar-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-3));border:1px solid var(--glass-border)}.avatar-btn:hover{color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-3))}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:200px;padding:14px;z-index:20;border-radius:16px;background:var(--glass-bg-strong);animation:menu-in .18s cubic-bezier(.22,1,.36,1)}.user-name{font-size:14px;font-weight:600}.user-email{font-size:12px;color:var(--text-dim);margin:2px 0 12px;overflow:hidden;text-overflow:ellipsis}.logout-btn{width:100%;padding:9px;border:1px solid color-mix(in srgb,var(--danger) 35%,transparent);border-radius:10px;background:color-mix(in srgb,var(--danger) 10%,transparent);color:var(--danger);font-size:13px;cursor:pointer;transition:background .15s}.logout-btn:hover{background:color-mix(in srgb,var(--danger) 18%,transparent)}.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;overflow-y:auto}.welcome-logo{width:76px;height:76px;border-radius:22%;box-shadow:0 8px 26px #2563eb59;animation:float 4s ease-in-out infinite}.welcome-title{font-size:34px;margin:14px 0 10px;background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--accent-3));background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:gradient-slide 6s linear infinite}@keyframes gradient-slide{to{background-position:200% center}}.welcome-sub{color:var(--text-dim);margin-bottom:34px}.suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,300px));gap:14px}.suggestion{display:flex;align-items:center;gap:12px;padding:16px 18px;color:var(--text);font-size:14px;text-align:left;cursor:pointer;border-radius:18px;transition:transform .2s,box-shadow .2s}.suggestion:hover{transform:translateY(-3px);box-shadow:0 12px 32px color-mix(in srgb,var(--accent) 22%,transparent)}.suggestion-icon{font-size:20px}.message-list{flex:1;overflow-y:auto;padding:8px 8px 24px}.message{display:flex;gap:12px;max-width:800px;margin:0 auto 20px;animation:msg-in .3s cubic-bezier(.22,1,.36,1)}@keyframes msg-in{0%{opacity:0;transform:translateY(10px)}}.avatar{width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px;background:var(--glass-bg-strong);border:1px solid var(--glass-border)}.message.user .avatar{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:none}.message.assistant .avatar{overflow:hidden;background:#fff}.avatar-logo{width:100%;height:100%;object-fit:cover;display:block}.bubble-col{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start}.bubble{padding:12px 16px;line-height:1.75;min-width:0;max-width:100%;overflow-wrap:break-word;border-radius:18px;background:var(--glass-bg);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);border:1px solid var(--glass-border);box-shadow:inset 0 1px 0 var(--glass-inner);font-size:14.5px}.message.user .bubble{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 22%,var(--glass-bg)),color-mix(in srgb,var(--accent-2) 16%,var(--glass-bg)))}.message.error .bubble{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--glass-bg));border-color:color-mix(in srgb,var(--danger) 32%,transparent)}.msg-actions{display:flex;gap:4px;margin-top:6px;animation:msg-in .25s ease-out}.action-btn{display:flex;align-items:center;gap:5px;padding:6px 10px;border:none;background:transparent;color:var(--text-dim);border-radius:9px;font-size:12px;cursor:pointer;transition:background .15s,color .15s,transform .1s}.action-btn:hover{background:var(--hover-bg);color:var(--text)}.action-btn:active{transform:scale(.95)}.action-btn.active{color:var(--accent)}.followups{max-width:800px;margin:4px auto 20px;padding-left:46px;animation:msg-in .3s cubic-bezier(.22,1,.36,1)}.followups-label{display:flex;align-items:center;gap:6px;color:var(--text-dim);font-size:12px;font-weight:600;margin-bottom:8px}.followups-label svg{color:var(--accent)}.followup-chips{display:flex;flex-direction:column;gap:8px;align-items:flex-start}.followup-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:9px 14px;border:1px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--text);border-radius:12px;font-size:13px;line-height:1.4;text-align:left;cursor:pointer;transition:border-color .15s,background .15s,transform .1s}.followup-chip svg{flex-shrink:0;color:var(--text-dim);transition:transform .15s,color .15s}.followup-chip:hover{border-color:var(--accent);background:var(--hover-bg)}.followup-chip:hover svg{color:var(--accent);transform:translate(2px)}.followup-chip:active{transform:scale(.98)}.typing{color:var(--text-dim);animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.4}}.markdown h1,.markdown h2,.markdown h3{margin:14px 0 8px}.markdown p{margin:8px 0}.markdown ul,.markdown ol{margin:8px 0;padding-left:24px}.markdown code{background:var(--code-bg);padding:2px 6px;border-radius:6px;font-size:.9em}.markdown pre{background:var(--code-bg);border:1px solid var(--glass-border);border-radius:12px;padding:12px;max-width:100%;overflow-x:auto;margin:12px 0}.markdown pre code{background:none;padding:0}.markdown-fallback{margin:0;white-space:pre-wrap;word-break:break-word;font:inherit;color:inherit;background:transparent}.markdown table{border-collapse:collapse;margin:12px 0;display:block;max-width:100%;overflow-x:auto}.markdown th,.markdown td{border:1px solid var(--glass-border);padding:6px 12px}.markdown blockquote{border-left:3px solid var(--accent);padding-left:12px;color:var(--text-dim);margin:12px 0}.markdown a{color:var(--accent);word-break:break-word}.markdown img{max-width:100%;height:auto}@property --angle{syntax: "<angle>"; initial-value: 0deg; inherits: false;}.chat-input-wrap{padding:10px 8px 8px}.prompt-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-width:800px;margin:0 auto 10px}.prompt-card{min-width:0;padding:10px 12px;color:var(--text);text-align:left;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:10px;cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}.prompt-card:hover:not(:disabled){background:var(--hover-bg);border-color:var(--accent);transform:translateY(-1px)}.prompt-card:disabled{cursor:not-allowed;opacity:.55}.prompt-card-title,.prompt-card-subtitle{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.prompt-card-title{font-size:13px;font-weight:650}.prompt-card-subtitle{margin-top:3px;color:var(--text-dim);font-size:12px}.input-status{max-width:800px;min-height:22px;margin:0 auto 6px;padding:0 8px;color:var(--danger);font-size:13px;line-height:22px}.chat-input{position:relative;max-width:800px;margin:0 auto;display:flex;align-items:flex-end;gap:8px;background:var(--glass-bg-strong);backdrop-filter:blur(24px) saturate(170%);-webkit-backdrop-filter:blur(24px) saturate(170%);border-radius:22px;padding:12px 14px;border:1px solid transparent;box-shadow:var(--glass-shadow),inset 0 1px 0 var(--glass-inner);transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s}.chat-input:before{content:"";position:absolute;top:-1.5px;right:-1.5px;bottom:-1.5px;left:-1.5px;border-radius:24px;padding:1.5px;background:conic-gradient(from var(--angle),transparent 0%,var(--accent) 8%,var(--accent-2) 20%,var(--accent-3) 32%,transparent 44%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;animation:spin-border 5s linear infinite;opacity:.75;pointer-events:none}@keyframes spin-border{to{--angle: 360deg}}.chat-input:focus-within{transform:translateY(-3px);box-shadow:0 14px 44px color-mix(in srgb,var(--accent) 32%,transparent),inset 0 1px 0 var(--glass-inner)}.chat-input:focus-within:before{animation-duration:2.2s;opacity:1}.chat-input textarea{flex:1;border:none;background:none;color:var(--text);font-size:15px;font-family:inherit;resize:none;outline:none;line-height:1.5;max-height:160px;padding:6px 4px}.chat-input textarea::placeholder{color:var(--text-dim)}.chat-input textarea:disabled{cursor:wait;opacity:.65}.send-btn{width:38px;height:38px;border:none;border-radius:13px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:15px;cursor:pointer;flex-shrink:0;transition:transform .15s,box-shadow .2s,opacity .2s}.send-btn:hover:not(:disabled){transform:scale(1.06);box-shadow:0 4px 16px color-mix(in srgb,var(--accent) 45%,transparent)}.send-btn:disabled{opacity:.45;cursor:default}.send-btn.stop{background:linear-gradient(135deg,var(--danger),#ff8a5c)}.attach-btn{width:34px;height:34px;flex-shrink:0;border:none;border-radius:11px;background:transparent;color:var(--text-dim);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s,transform .1s}.attach-btn:hover:not(:disabled){background:var(--hover-bg);color:var(--accent)}.attach-btn:active:not(:disabled){transform:scale(.92)}.attach-btn:disabled{opacity:.4;cursor:default}.attachments{max-width:800px;margin:0 auto 8px;padding:0 4px;display:flex;flex-wrap:wrap;gap:10px}.attach-chip{position:relative;display:flex;align-items:center;gap:8px;border:1px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:12px}.attach-chip.image{padding:0;overflow:hidden}.attach-chip.image img{width:64px;height:64px;object-fit:cover;display:block}.attach-chip.file{padding:8px 12px;max-width:320px;color:var(--text)}.attach-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attach-meta{font-size:11px;color:var(--text-dim);flex-shrink:0}.attach-remove{position:absolute;top:-7px;right:-7px;width:20px;height:20px;border-radius:50%;border:none;background:var(--danger);color:#fff;font-size:14px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px #00000040}.attach-chip.file .attach-remove{position:static;width:18px;height:18px;font-size:12px;box-shadow:none;margin-left:2px}.attach-spinner{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;width:22px;height:22px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;background:#00000059;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.msg-image{max-width:260px;max-height:260px;border-radius:12px;display:block;margin-bottom:8px}.msg-file{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;margin-bottom:8px;border-radius:10px;background:var(--hover-bg);font-size:13px;font-weight:600}.msg-file-name{max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:640px){.prompt-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-bottom:8px}.prompt-card{padding:9px 10px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--text-dim) 35%,transparent);border-radius:3px}::-webkit-scrollbar-track{background:transparent}@media(prefers-reduced-motion:reduce){.blob,.chat-input:before,.welcome-title,.welcome-logo,.login-logo{animation:none}}