:root{--bg: #0f0f0f;--panel: #181818;--text: #f5f5f5;--muted: #a0a0a0;--accent: #d6bfa7;--border: #2a2a2a}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;height:100%;height:100dvh;overflow:hidden;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{display:flex;flex-direction:column;height:100%;height:100dvh;overflow:hidden}.app{display:flex;flex-direction:column;height:100vh;height:100dvh}header{padding:14px 16px;font-size:18px;font-weight:600;border-bottom:1px solid var(--border);background:var(--panel);flex-shrink:0}main{flex:1;overflow-y:auto;padding:12px;-webkit-overflow-scrolling:touch}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes messageSlideInRight{0%{opacity:0;transform:translate(10px)}to{opacity:1;transform:translate(0)}}@keyframes messageSlideInLeft{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.msg{max-width:85%;margin-bottom:12px;padding:10px 12px;border-radius:12px;line-height:1.4;word-wrap:break-word;overflow-wrap:break-word;animation:messageSlideIn .25s ease-out}.user{margin-left:auto;background:var(--accent);color:#000;border-bottom-right-radius:4px;animation:messageSlideInRight .25s ease-out}.assistant{background:var(--panel);border-bottom-left-radius:4px;animation:messageSlideInLeft .25s ease-out}.assistant img{max-width:100%;border-radius:10px;margin-top:8px}.media-title{font-size:12px;color:var(--muted);margin-top:4px}.loader{font-size:13px;color:var(--muted);font-style:italic;margin-bottom:12px;animation:messageSlideIn .2s ease-out}.typing-indicator{display:flex;align-items:center;gap:6px;padding:10px 12px;background:var(--panel);border-radius:12px 12px 12px 4px;max-width:85%;margin-bottom:12px;animation:messageSlideInLeft .25s ease-out}.typing-text{font-size:13px;color:var(--muted)}.typing-dots{display:flex;gap:3px;align-items:center}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.dot{width:5px;height:5px;background:var(--muted);border-radius:50%;animation:bounce 1.4s ease-in-out infinite}.dot:nth-child(1){animation-delay:0s}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}footer{border-top:1px solid var(--border);padding:10px;padding-bottom:max(10px,env(safe-area-inset-bottom));background:var(--panel);display:flex;gap:8px;align-items:center;flex-shrink:0}textarea{flex:1;resize:none;background:#111;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:16px;min-height:42px;max-height:120px;line-height:1.4;-webkit-appearance:none;appearance:none;transition:border-color .2s ease}textarea:focus{outline:none;border-color:var(--accent)}.send-btn{width:42px;height:42px;min-width:42px;min-height:42px;border-radius:50%;background:var(--accent);color:#000;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;flex-shrink:0;-webkit-tap-highlight-color:transparent;transition:opacity .2s ease,transform .15s ease}.send-btn:disabled{opacity:.5;cursor:not-allowed}.send-btn:active:not(:disabled){transform:scale(.95)}.send-btn svg{display:block}.error-boundary{display:flex;align-items:center;justify-content:center;height:100vh;height:100dvh;padding:20px;background:var(--bg)}.error-content{text-align:center;max-width:300px}.error-content h2{margin:0 0 12px;font-size:18px;color:var(--text)}.error-content p{margin:0 0 20px;font-size:14px;color:var(--muted)}.error-content button{padding:12px 24px;background:var(--accent);color:#000;border:none;border-radius:12px;font-size:14px;font-weight:500;cursor:pointer}