@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-color:#fcfcfc;--surface-color:#fff;--surface-hover:#f3f4f6;--surface-active:#eae8f4;--text-primary:#111827;--text-secondary:#6b7280;--border-color:#f3f4f6;--accent-color:#efeaf8;--accent-text:#7c3aed;--font-family:"Inter", sans-serif;--border-radius:20px;--border-radius-lg:32px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d;--shadow-lg:0 10px 15px -3px #0000001a}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;width:100vw;height:100vh;margin:0;padding:0;overflow:hidden}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input{font-family:inherit}.app-container{background-color:var(--bg-color);width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.w-full{width:100%}.h-full{height:100%}.flex-1{flex:1}.text-sm{font-size:14px}.text-xs{font-size:12px}.text-lg{font-size:18px}.font-medium{font-weight:500}.font-semibold{font-weight:600}.text-secondary{color:var(--text-secondary)}.cursor-pointer{cursor:pointer}.thinking-markdown p:last-child,.thinking-markdown ul:last-child,.thinking-markdown ol:last-child{margin-bottom:0}.grid-anim-wrapper{opacity:0;grid-template-rows:0fr;transition:grid-template-rows .4s cubic-bezier(.23,1,.32,1),opacity .3s;display:grid}.grid-anim-wrapper.open{opacity:1;grid-template-rows:1fr}.grid-anim-inner{min-height:0;overflow:hidden}.header{background-color:var(--bg-color);z-index:10;justify-content:space-between;align-items:center;padding:16px;display:flex}.header-left{align-items:center;gap:8px;display:flex}.header .icon-btn{background-color:#fff;border:1px solid #f3f4f6;box-shadow:0 4px 12px #0000000f,0 1px 2px #0000000a}.header-titles{flex-direction:column;display:flex}.header-title{font-size:16px;font-weight:500}.header-subtitle{color:var(--text-secondary);align-items:center;gap:4px;font-size:12px;display:flex}.header-actions{color:var(--text-primary);gap:16px;display:flex}.icon-btn{width:40px;height:40px;color:var(--text-primary);will-change:transform;border-radius:50%;justify-content:center;align-items:center;transition:background-color .2s,transform .2s cubic-bezier(.23,1,.32,1);display:flex}@media (hover:hover) and (pointer:fine){.icon-btn:hover{background-color:var(--surface-hover);transform:scale(1.05)}}.icon-btn:active{transform:scale(.92)}.chat-area{flex-direction:column;flex:1;padding:16px;display:flex;overflow:hidden auto}.chat-input-container{background-color:var(--bg-color);width:100%;max-width:800px;margin:0 auto;padding:16px}.chat-input-wrapper{background-color:#fff;border:1px solid #f3f4f6;border-radius:24px;flex-direction:column;gap:8px;padding:12px 16px;display:flex;box-shadow:0 -4px 24px #0000000a,0 8px 32px #00000014}.chat-input-field{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;width:100%;min-height:44px;padding:4px 0;font-size:15px}.chat-input-field::placeholder{color:#9ca3af}.chat-actions-row{justify-content:space-between;align-items:center;display:flex}.chat-actions-left{color:var(--text-secondary);gap:4px;display:flex}.chat-actions-left .icon-btn{width:28px;height:28px}.chat-actions-right{align-items:center;gap:8px;display:flex}.submit-btn{color:#9ca3af;background-color:#e5e7eb;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.submit-btn.active{background-color:var(--text-primary);color:var(--surface-color)}.sidebar-overlay{z-index:40;background-color:#0006;position:fixed;inset:0}.sidebar{background-color:var(--bg-color);z-index:50;width:80%;max-width:320px;box-shadow:var(--shadow-lg);flex-direction:column;display:flex;position:absolute;top:0;bottom:0;left:0}.sidebar-header{align-items:center;gap:16px;padding:16px;display:flex}.search-bar{background-color:var(--surface-hover);border-radius:12px;flex:1;align-items:center;gap:8px;padding:8px 12px;display:flex}.search-input{background:0 0;border:none;outline:none;width:100%;font-size:14px}.sidebar-content{flex:1;padding:0 16px;overflow-y:auto}.history-group{margin-top:16px}.history-group-title{align-items:center;gap:12px;padding:8px 0;font-size:14px;font-weight:500;display:flex}.history-avatar{background-color:var(--accent-color);width:32px;height:32px;color:var(--accent-text);border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.history-item{color:var(--text-primary);padding:12px 0 12px 44px;font-size:14px}.sidebar-footer{border-top:1px solid var(--border-color);background-color:var(--bg-color);flex-direction:column;padding:12px 16px;display:flex}.backup-row{background-color:var(--surface-hover);border-radius:12px;justify-content:space-between;align-items:center;padding:8px 16px;font-size:14px;display:flex}.user-row{justify-content:space-between;align-items:center;display:flex}.user-info{align-items:center;gap:12px;display:flex}.user-avatar{background-color:var(--accent-color);width:40px;height:40px;color:var(--accent-text);border-radius:50%;justify-content:center;align-items:center;font-weight:600;display:flex}.user-actions{gap:8px;display:flex}.bottom-sheet{background-color:var(--surface-color);z-index:50;border-top-left-radius:24px;border-top-right-radius:24px;flex-direction:column;max-height:90vh;display:flex;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #0000001a}.sheet-drag-handle{background-color:#e5e7eb;border-radius:2px;width:40px;height:4px;margin:12px auto}.sheet-content{padding:16px;overflow-y:auto}.sheet-search{border:1px solid var(--border-color);border-radius:12px;align-items:center;gap:12px;margin-bottom:16px;padding:12px 16px;display:flex}.multi-select-pill{border:1px solid var(--border-color);color:var(--text-secondary);border-radius:20px;margin-bottom:16px;padding:6px 12px;font-size:12px;display:inline-flex}.provider-title{color:var(--text-secondary);margin-bottom:12px;font-size:12px;font-weight:600}.model-item{border-radius:16px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:12px;transition:background-color .2s;display:flex}.model-item.selected{background-color:var(--surface-hover)}.model-info{align-items:center;gap:12px;display:flex}.model-icon{color:#3b82f6;background-color:#efeaf8;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.model-name{margin-bottom:4px;font-size:15px;font-weight:500}.model-tags{color:var(--text-secondary);gap:8px;font-size:11px;display:flex}.model-tag{background-color:var(--surface-hover);border-radius:12px;align-items:center;gap:4px;padding:2px 8px;display:flex}.sheet-footer{border-top:1px solid var(--border-color);justify-content:center;padding:16px;display:flex}.provider-pill{background-color:var(--surface-hover);border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:500;display:flex}.settings-view{background-color:var(--bg-color);z-index:60;flex-direction:column;display:flex;position:absolute;inset:0}.settings-header{align-items:center;gap:16px;padding:20px 16px;font-size:18px;font-weight:600;display:flex}.settings-content{flex:1;padding:0 16px 32px;overflow-y:auto}.settings-section-title{color:var(--text-secondary);margin:24px 0 12px 8px;font-size:13px;font-weight:500}.settings-card{background-color:var(--surface-color);border-radius:16px;overflow:hidden}.settings-item{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px;display:flex}.settings-item:last-child{border-bottom:none}.settings-item-left{align-items:center;gap:16px;font-size:15px;display:flex}.settings-item-icon{color:var(--text-secondary)}.settings-item-right{color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;display:flex}.main-content{flex-direction:column;flex:1;height:100vh;display:flex;position:relative}.sidebar.desktop{width:280px;max-width:280px;box-shadow:1px 0 0 var(--border-color);z-index:10;position:static}@media (width>=768px){.bottom-sheet{border-radius:24px;max-width:400px;bottom:20px;left:50%;transform:translate(-50%)}.settings-view{border-left:1px solid var(--border-color);left:280px}.hamburger-btn{display:none}}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin}.markdown-body p{margin-top:0;margin-bottom:1em}.markdown-body pre{margin:0}.markdown-body :not(pre)>code{background:var(--surface-active);border-radius:4px;padding:2px 4px;font-family:monospace}.markdown-body pre code{background:0 0;padding:0}.markdown-body ul,.markdown-body ol{margin-bottom:1em;padding-left:20px}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{margin-top:1.5em;margin-bottom:.5em}think{background-color:var(--surface-hover);color:var(--text-secondary);white-space:pre-wrap;border-left:3px solid #3b82f6;border-radius:4px;margin-bottom:16px;padding:12px 16px;font-size:14px;font-style:italic;display:block}think:before{content:"R1 Thinking Process...";color:#3b82f6;margin-bottom:8px;font-style:normal;font-weight:700;display:block}.has-tooltip{position:relative}.has-tooltip:after{content:attr(data-tooltip);color:#fff;white-space:nowrap;pointer-events:none;z-index:100;opacity:0;visibility:hidden;background:#111827e6;border-radius:4px;padding:4px 8px;font-size:12px;transition:opacity .2s cubic-bezier(.23,1,.32,1),transform .2s cubic-bezier(.23,1,.32,1),visibility .2s cubic-bezier(.23,1,.32,1);position:absolute;bottom:100%;left:50%;transform:translate(-50%)translateY(0)scale(.95)}.has-tooltip:before{content:"";pointer-events:none;z-index:100;opacity:0;visibility:hidden;border:4px solid #0000;border-top-color:#111827e6;transition:opacity .2s cubic-bezier(.23,1,.32,1),transform .2s cubic-bezier(.23,1,.32,1),visibility .2s cubic-bezier(.23,1,.32,1);position:absolute;bottom:100%;left:50%;transform:translate(-50%)scale(.95)}@media (hover:hover) and (pointer:fine){.has-tooltip:hover:after{opacity:1;visibility:visible;transform:translate(-50%)translateY(-8px)scale(1)}.has-tooltip:hover:before{opacity:1;visibility:visible;transform:translate(-50%)scale(1)}}.chat-message-wrapper{opacity:1;transition:opacity .3s ease-out,transform .3s ease-out;transform:translateY(0)}@starting-style{.chat-message-wrapper{opacity:0;transform:translateY(10px)}}.markdown-body{overflow-wrap:break-word;word-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto;width:100%;color:var(--text-primary)}.markdown-body pre,.markdown-body code{word-break:break-word;white-space:pre-wrap!important}.markdown-body pre{max-width:100%;margin:0}.markdown-body img{border-radius:8px;max-width:100%;height:auto;margin:12px 0;box-shadow:0 4px 12px #00000014}.markdown-body table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px;display:block;overflow-x:auto}.markdown-body th,.markdown-body td{border:1px solid #e5e7eb;padding:8px 16px}.markdown-body th{text-align:left;background-color:#f9fafb;font-weight:600}.markdown-body tr:nth-child(2n){background-color:#f9fafb}.markdown-body tr:hover{background-color:#f3f4f6}.markdown-body blockquote{color:#4b5563;background-color:#f9fafb;border-left:4px solid #6366f1;border-radius:0 8px 8px 0;margin:16px 0;padding:8px 16px;font-style:italic}.markdown-body blockquote p:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin-top:24px;margin-bottom:12px;font-weight:600;line-height:1.25}.markdown-body h1{border-bottom:1px solid #e5e7eb;padding-bottom:6px;font-size:1.75rem}.markdown-body h2{border-bottom:1px solid #e5e7eb;padding-bottom:6px;font-size:1.5rem}.markdown-body h3{font-size:1.25rem}.markdown-body hr{background:0 0;border:0;border-bottom:2px dashed #e5e7eb;height:0;margin:24px 0;overflow:hidden}.markdown-body input[type=checkbox]{cursor:pointer;margin-right:8px}.markdown-body li.task-list-item{list-style-type:none}.markdown-body .katex-display{max-width:100%;padding:8px 0;overflow:auto hidden}.markdown-body p:last-child{margin-bottom:0}@keyframes streamFadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.markdown-body>*{animation:.35s cubic-bezier(.23,1,.32,1) forwards streamFadeIn}.upload-spinner{border:2px solid #0000001a;border-top-color:#5b21b6;border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}
