:root{--bg: #faf7f2;--bg-alt: #f9f6f1;--user-bubble: rgba(201, 218, 228, .88);--user-bubble-solid: #c9dae4;--ai-bubble: rgba(240, 236, 228, .78);--send-btn: #c0d2de;--model-capsule: #dce9f2;--voice-btn: #e8e6e1;--plus-btn-bg: #eeebe5;--text: #5c564e;--text-soft: #9a9288;--hearts-color: #93aebb;--header-height: 44px;--shadow: 0 2px 12px rgba(0, 0, 0, .04);--spring: cubic-bezier(.32, .72, 0, 1);--ease: cubic-bezier(.25, .1, .25, 1);--font: "PingFang SC", "Hiragino Sans GB", -apple-system, sans-serif;--font-serif: "EB Garamond", Garamond, serif;--font-display: "摄图摩登小方体", "PingFang SC", -apple-system, sans-serif;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}@font-face{font-family:摄图摩登小方体;src:url(https://fonts.cdnfonts.com/css/senty-mordern-square) format("woff2");font-display:swap}*,*:before,*:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;touch-action:manipulation;-webkit-user-select:none;user-select:none}button,textarea{font:inherit;color:inherit;border:none;background:none}#app{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;background:var(--bg);touch-action:manipulation}.app-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' 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34px);overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;gap:20px}.sidebar.open{transform:translate(0)}.sidebar.open.dragging{transition:none}.sidebar-profile{display:flex;flex-direction:column;align-items:center;gap:10px}.sidebar-avatars{display:flex;align-items:flex-start;gap:40px}.sidebar-avatar-col{display:flex;flex-direction:column;align-items:center;gap:8px}.sidebar-avatar-wrap{width:64px;height:64px;border-radius:50%;flex-shrink:0;cursor:pointer;transition:transform .18s var(--spring)}.sidebar-avatar-wrap:active{transform:scale(.94)}.avatar-circle{width:100%;height:100%;border-radius:50%;border:1.5px solid rgba(188,215,229,.55);background:var(--ai-bubble);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-soft);overflow:hidden}.sidebar-name{font-size:15px;font-weight:400;text-align:center;outline:none;min-width:40px;padding:2px 8px;border-radius:8px;color:var(--text-soft)}.sidebar-name:focus{background:#fff9;color:var(--text)}.hearts-row{font-size:12px;letter-spacing:.15em;color:var(--hearts-color);-webkit-user-select:none;user-select:none;pointer-events:none}.sidebar-sections{display:flex;flex-direction:column;gap:10px}.sidebar-section{height:58px;border-radius:18px;background:#ffffff8c;font-family:var(--font-serif);font-size:20px;font-weight:400;color:var(--text);text-align:left;padding:0 20px;box-shadow:var(--shadow);cursor:pointer;transition:background .15s var(--ease)}.sidebar-section:active{background:#ffffffbf}.top-card{position:fixed;top:0;left:0;right:0;z-index:10;margin:0;padding-top:var(--safe-top);height:calc(var(--safe-top) + var(--header-height));background:var(--user-bubble-solid);background-image:radial-gradient(circle,rgba(250,247,242,.52) 1.38px,transparent 1.38px),radial-gradient(circle,rgba(250,247,242,.52) 1.38px,transparent 1.38px);background-size:16px 16px,16px 16px;background-position:0 0,8px 8px;overflow:hidden}.top-card-inner{height:var(--header-height);display:flex;align-items:center;justify-content:center;padding:0 24px}.top-card-name{font-size:18px;font-weight:400;color:var(--text);text-align:center;font-family:var(--font-display)}.chat{position:relative;z-index:1;display:flex;flex-direction:column;height:100dvh;padding-top:calc(var(--safe-top) + var(--header-height) + 8px)}.messages{flex:1;overflow-y:auto;padding:10px 14px 130px;display:flex;flex-direction:column;gap:18px;-webkit-overflow-scrolling:touch}.messages::-webkit-scrollbar{display:none}.msg-row{display:flex;align-items:flex-end;gap:8px}.msg-row.user{flex-direction:row-reverse}.msg-row.new{animation:msgIn .25s var(--ease) both}@keyframes msgIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.avatar{width:30px;height:30px;border-radius:50%;flex-shrink:0;border:1px solid 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.bubble{background:var(--ai-bubble)}.bubble-row{display:flex;align-items:flex-end}.flower-btn{background:none;border:none;padding:0;flex-shrink:0;margin-left:-2px;margin-bottom:3px;cursor:pointer;opacity:.65;transition:opacity .18s var(--ease),transform .18s var(--spring);transform:scale(1.09)}.flower-btn.open{opacity:1}.flower-btn:active{transform:scale(1.02)}.input-wrap{position:absolute;left:14px;right:14px;bottom:calc(var(--safe-bottom) + 10px);z-index:10}.input-bar{display:flex;align-items:center;gap:8px;min-height:58px;padding:7px 9px 7px 12px;background:#fcfaf6f2;border-radius:22px;box-shadow:var(--shadow)}.plus-btn{background:var(--plus-btn-bg)}.upload-menu{position:fixed;z-index:50;display:flex;flex-direction:column;gap:4px;padding:8px;background:#fcfaf6f7;border-radius:18px;box-shadow:0 4px 20px #00000014;opacity:0;pointer-events:none;transform:translateY(4px);transition:opacity .18s var(--ease),transform .18s var(--ease)}.upload-menu.visible{opacity:1;pointer-events:auto;transform:translateY(0)}.upload-menu-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:14px;font-size:15px;color:var(--text);cursor:pointer;white-space:nowrap;transition:background .12s var(--ease);border:none;background:none}.upload-menu-item:active{background:#0000000a}.model-btn{flex-shrink:0;font-size:11px;color:var(--text-soft);padding:7px 11px;border-radius:9999px;background:var(--model-capsule);cursor:pointer;font-variant-numeric:tabular-nums;transition:background .15s var(--ease)}.model-btn:active{background:#e6e2d8}.input-field{flex:1;min-width:60px;border:none;background:transparent;outline:none;font-size:16px;line-height:22px;resize:none;padding:10px 0;max-height:100px;min-height:24px;caret-color:var(--text);-webkit-user-select:text;user-select:text;touch-action:auto}.input-field::placeholder{color:#9a928873}.circle-btn{width:42px;height:42px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .18s var(--spring),opacity .2s var(--ease)}.circle-btn:active{transform:scale(.94)}.voice-btn{background:var(--voice-btn)}.send-btn{background:var(--send-btn);animation:fadeIn .2s var(--ease) both}@keyframes fadeIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.swipe-edge{position:fixed;top:0;left:0;width:24px;height:100dvh;z-index:5}.crop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center}.crop-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:#14120fd1}.crop-container{position:relative;z-index:1;width:min(320px,85vw);height:min(320px,85vw);border-radius:50%;overflow:hidden}.crop-mask{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;border-radius:50%;box-shadow:0 0 0 9999px #14120fd1;pointer-events:none}.crop-circle{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:1.5px solid rgba(255,255,255,.25)}.crop-image-wrap{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;overflow:hidden;touch-action:none}.crop-image-wrap img{position:absolute;top:0;left:0;transform-origin:0 0;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.crop-actions{position:relative;z-index:3;display:flex;gap:24px;margin-top:28px}.crop-btn{padding:12px 32px;border-radius:9999px;font-size:15px;cursor:pointer;transition:background .18s var(--ease);border:none}.crop-cancel{background:#ffffff1f;color:#ffffffd9}.crop-done{background:#ffffffe6;color:var(--text);font-weight:500}.crop-btn:active{transform:scale(.96)}@media(min-width:420px){.sidebar{width:72%}.bubble{max-width:320px}}@media(min-width:768px){.sidebar{width:340px}.top-card{max-width:480px;left:50%;transform:translate(-50%)}.chat{max-width:600px;margin:0 auto}}