:root{--primary: #d63384;--primary-light: #f8d7ea;--primary-dark: #a61e61;--accent: #ff6b9d;--gold: #d4a574;--gold-light: #f5e6d3;--dark: #1a1a2e;--text: #2d2d44;--text-light: #6c6c8a;--cream: #faf8f5;--white: #ffffff;--rose: #e8d5d8;--lavender: #e6e0f3;--shadow: 0 2px 20px rgba(214, 51, 132, .08);--transition: all .4s cubic-bezier(.25, .46, .45, .94)}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%;overflow:hidden;font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text);background:var(--cream);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::selection{background:var(--primary-light);color:var(--primary-dark)}.app{display:flex;flex-direction:column;height:100%;max-width:600px;margin:0 auto;background:var(--cream);position:relative;user-select:none;-webkit-user-select:none}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;background:var(--dark);flex-shrink:0;z-index:10;position:relative;overflow:hidden}.chat-header:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 50%,rgba(214,51,132,.15) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(212,165,116,.1) 0%,transparent 50%);pointer-events:none}.header-left{display:flex;align-items:center;gap:12px;position:relative;z-index:1}.header-avatar{width:48px;height:48px;border-radius:18%;object-fit:cover}.header-name{font-family:"Noto Serif SC",serif;font-size:16px;font-weight:600;color:var(--white);letter-spacing:2px}.header-right{display:flex;align-items:center;position:relative;z-index:1}.online-dot{width:8px;height:8px;border-radius:50%;background:#4cd964;display:inline-block;box-shadow:0 0 6px #4cd96480}.typing-text{font-size:13px;color:gold;font-family:"Noto Serif SC",serif;letter-spacing:1px;animation:typing-fade 1.5s ease-in-out infinite}@keyframes typing-fade{0%,to{opacity:1}50%{opacity:.3}}.chat-messages{flex:1;overflow-y:auto;scrollbar-width:none;padding:20px 16px;display:flex;flex-direction:column;gap:16px;-webkit-overflow-scrolling:touch;background:var(--cream);position:relative}.chat-messages:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 10% 20%,rgba(214,51,132,.03) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(212,165,116,.03) 0%,transparent 40%),radial-gradient(circle at 50% 50%,rgba(230,224,243,.05) 0%,transparent 50%);pointer-events:none;z-index:0}.chat-messages>*{position:relative;z-index:1}.chat-messages::-webkit-scrollbar{display:none}.message-row{display:flex;align-items:flex-start;gap:10px;max-width:100%}.message-row-self{justify-content:flex-end}.message-row-other{justify-content:flex-start}.message-avatar{width:42px;height:42px;border-radius:18%;object-fit:cover;flex-shrink:0}.message-bubble{max-width:72%;padding:7px 12px;font-size:16px;line-height:1.8;word-break:break-word;white-space:pre-wrap;letter-spacing:.5px;user-select:auto;-webkit-user-select:auto;font-family:"Noto Serif SC",Noto Sans SC,sans-serif;position:relative}.bubble-self{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);color:var(--white);border-radius:12px 12px 0}.bubble-other{background:var(--white);color:var(--text);border-radius:12px 12px 12px 0;border:1px solid rgba(232,213,216,.6)}.message-system{align-self:center;background:var(--lavender);color:var(--text-light);font-size:13px;padding:10px 22px;border:1px solid rgba(230,224,243,.5);text-align:center;letter-spacing:.5px}.time-card{align-self:center;color:var(--primary);font-size:11px;font-weight:600;padding:4px 12px;text-align:center;letter-spacing:.5px;-webkit-user-select:none;user-select:none;background:var(--white);border:1px solid var(--rose)}.chat-input-area{display:flex;align-items:flex-end;gap:10px;padding:12px 16px;background:var(--white);border-top:1px solid var(--rose);flex-shrink:0}.chat-input{flex:1;min-height:42px;max-height:100px;padding:10px 18px;border:1px solid var(--rose);border-radius:21px;font-size:15px;font-family:inherit;color:var(--text);background:var(--cream);outline:none;line-height:1.4;overflow-y:auto;transition:var(--transition);user-select:auto;-webkit-user-select:auto;word-break:break-word;white-space:pre-wrap;cursor:text}.chat-input:focus{border-color:var(--primary);background:var(--white);box-shadow:0 0 0 3px var(--primary-light)}.chat-input span[data-emoji]{display:inline-block;vertical-align:middle}.emoji-button{width:42px;height:42px;border:none;border-radius:50%;background:transparent;color:var(--text-light);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:var(--transition);-webkit-tap-highlight-color:transparent;outline:none}.emoji-button svg{width:26px;height:26px}.emoji-button:hover{background:var(--cream);color:var(--primary)}.emoji-button.active{color:var(--primary);background:var(--primary-light)}.emoji-panel-wrapper{height:0;overflow:hidden;flex-shrink:0;transition:height .3s cubic-bezier(.4,0,.2,1);background:var(--white)}.emoji-panel{height:100%;overflow-y:auto;padding:12px 8px;display:grid;grid-template-columns:repeat(7,1fr);gap:6px;justify-items:center;align-items:center}.emoji-panel-item{width:32px;height:32px;background-size:auto;border-radius:8px;cursor:pointer;transition:background-color .15s;-webkit-tap-highlight-color:transparent}.emoji-panel-item:hover{background-color:var(--primary-light)}.emoji-panel-item:active{background-color:var(--rose)}.emoji-panel::-webkit-scrollbar{width:4px}.emoji-panel::-webkit-scrollbar-thumb{background:var(--rose);border-radius:2px}.send-button{height:42px;padding:0 20px;border:none;border-radius:21px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);color:var(--white);font-size:14px;font-family:"Noto Serif SC",serif;font-weight:600;cursor:pointer;flex-shrink:0;transition:var(--transition);letter-spacing:2px;box-shadow:0 2px 12px #d6338440;-webkit-tap-highlight-color:transparent;outline:none}.send-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 16px #d6338459}.send-button:active:not(:disabled){transform:translateY(0)}.send-button:disabled{background:var(--rose);box-shadow:none;cursor:not-allowed}@media(max-width:600px){.app{max-width:100%}.message-bubble{max-width:78%}.chat-header{padding:18px 20px}.header-name{font-size:18px;letter-spacing:3px}}@media(max-width:480px){.message-bubble{max-width:82%;padding:7px 12px;font-size:15px}}