:root{--bg-body: #050509;--bg-chat: #050509;--bg-message-user: #1f2933;--bg-message-assistant: #111827;--border-subtle: rgba(148, 163, 184, .35);--accent: #10b981;--accent-soft: rgba(16, 185, 129, .12);--text-primary: #e5e7eb;--text-muted: #9ca3af;--text-accent: #a5b4fc;--radius-lg: 18px;--radius-full: 999px;--shadow-soft: 0 18px 55px rgba(15, 23, 42, .9)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0;background:#050509}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,sans-serif;background:#050509;color:var(--text-primary)}.app{min-height:100vh;display:flex;justify-content:center;padding:24px 16px}.chat-shell{width:100%;max-width:880px;display:flex;flex-direction:column;overflow:hidden}.chat-header{padding:18px 22px 12px;border-bottom:1px solid rgba(148,163,184,.25);display:flex;align-items:baseline;gap:12px}.chat-header h1{margin:0;font-size:1.35rem;font-weight:620;letter-spacing:.03em;color:var(--text-primary)}.chat-header h3{margin:0;font-size:.9rem;font-weight:450;color:var(--text-muted)}h1{margin:0 0 .5rem;font-size:1.5rem;font-weight:650}img{width:80px;height:80px;border-radius:50%}.chat-main{background:#050509;flex:1;display:flex;flex-direction:column;padding:18px 18px 16px;gap:12px;overflow:hidden}.chat-messages{flex:1;overflow-y:auto;padding-right:4px;display:flex;flex-direction:column;gap:10px}.chat-messages::-webkit-scrollbar{width:7px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#94a3b859;border-radius:999px}.backend-err-msg{margin:0 auto;padding:3rem}.message-row{display:flex;gap:8px}.message-row.user{justify-content:flex-end}.message-avatar{width:26px;height:26px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;flex-shrink:0}.message-row.user .message-avatar{background:linear-gradient(135deg,#34d399,#22c55e);color:#050509}.message-row.assistant .message-avatar{background:radial-gradient(circle at 30% 0,#e45a35,#6392f8);color:#e5e7eb}.message-avatar-img{border-radius:50%;width:26px;height:26px}@keyframes pulseLoading{0%{filter:brightness(0) invert(.6);width:30px}to{filter:brightness(0) invert(1);width:50px}}.message-loading{animation:pulseLoading 2s infinite alternate}.message{max-width:min(80%,680px);padding:9px 11px;border-radius:18px;border:1px solid rgba(148,163,184,.35);font-size:.92rem;line-height:1.5}.message-row.user .message{background:radial-gradient(circle at 10% 0,#0f172a 0,#050509 55%)}.message-row.assistant .message{background:radial-gradient(circle at 0 0,#050816 0,#050509 55%)}.message p,.message .text{margin:0 0 4px;color:var(--text-primary);white-space:pre-wrap}.message p:last-child,.message .text:last-child{margin-bottom:0}.message .chat-link{color:var(--text-accent);text-decoration:underline;word-break:break-all}.message .chat-link:hover{color:#c4d0ff}.message .muted{color:var(--text-muted);font-size:.85em}.message code{font-family:system-ui,-apple-system,BlinkMacSystemFont,SF Pro Text;font-size:.85em;padding:2px 4px;border-radius:6px;background:#0f172af2;border:1px solid rgba(30,64,175,.7)}.message pre{margin:6px 0;padding:8px 9px;border-radius:10px;background:radial-gradient(circle at top,#020617 0 40%,#020617);border:1px solid rgba(30,64,175,.75);overflow-x:auto;font-size:.86rem}.message ul,.message ol{margin:4px 0 4px 18px;padding:0}.chat-input-wrap{padding:8px 10px 12px}.chat-input-inner{max-width:680px;margin:0 auto;display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;border:1px solid rgba(148,163,184,.55)}.chat-input{font-family:inherit;flex:1;min-height:36px;max-height:120px;padding:4px 2px 8px;border:none;outline:none;resize:none;background:transparent;color:var(--text-primary);font-size:.95rem;align-content:center}.chat-input-outer-div{display:flex;flex:1}.chat-input::placeholder{color:var(--text-muted)}.chat-send-btn{border:none;outline:none;cursor:pointer;padding:8px 12px;border-radius:var(--radius-full);color:#020617;font-size:.85rem;font-weight:600;display:inline-flex;align-items:center;gap:5px;transition:transform .1s ease-out,box-shadow .1s ease-out,filter .12s ease-out}.chat-send-btn:hover{transform:translateY(-1px);filter:brightness(1.05)}.chat-send-btn:active{transform:translateY(0);box-shadow:0 0 0 1px #0f172ae6,0 4px 14px #10b98173}.chat-footer-note{max-width:680px;margin:6px auto 0;font-size:.75rem;color:var(--text-muted);text-align:center}.footer-button{background-color:var(--bg-body);color:var(--text-muted);border:none;text-decoration:underline}.footer-button:hover{font-weight:700}.login{min-height:100vh;display:flex;justify-content:center;align-items:center;flex-direction:column;padding:24px 16px}.login-main{background:#050509;flex:1;display:flex;flex-direction:column;padding:18px 18px 16px;gap:12px;overflow:hidden}.review-box-wrap{display:flex;justify-content:center}.feedback-main{display:flex;flex-direction:column;justify-content:space-between;border:solid var(--text-muted);border-width:1px;border-radius:1rem;height:25rem;min-width:23rem;max-width:23rem;padding:1rem}.x-btn-div{display:flex;flex-direction:row;justify-content:space-between}.x-icon-btn{align-items:baseline;padding:0;margin:0;width:2.2rem;background:none;border:none}.x-icon:hover{width:22px;height:22px}.x-icon{height:18px;width:18px;filter:invert(76%) sepia(9%) saturate(360%) hue-rotate(179deg) brightness(86%) contrast(83%)}.feedback-header{margin:0;padding:0}.feedback-subheader{margin:0;padding:0;font-weight:400}.feedback-mail-link{font-weight:400;color:#e5e7eb;text-decoration:underline;font-weight:700;font-size:12px}.feedback-question{margin-bottom:.25rem}.thumbs-icon{height:2.2rem;width:2.2rem}.thumbs-icon-btn{border-radius:15px;border:none;margin-right:.25rem}.thumbs-icon-btn:active{padding:4px 10px}.thumbs-icon-btn-active{background-color:#a5b4fc}.option-buttons{display:flex;flex-direction:column}.feedback-options-btn{border:none;outline:none;cursor:pointer;padding:2px 2rem;margin:2px;border-radius:var(--radius-full);color:#020617;font-size:.85rem;font-weight:600;max-height:20px}.feedback-options-btn-active{background-color:#a5b4fc}.feedback-submit-btn{margin-top:2rem;border:none;outline:none;cursor:pointer;padding:8px 8rem;border-radius:var(--radius-full);color:#020617;font-size:.85rem;font-weight:600}.feedback-reset-btn{margin-top:2rem;border:none;outline:none;cursor:pointer;padding:8px 2rem;border-radius:var(--radius-full);color:#020617;font-size:.85rem;font-weight:600}@media(max-width:640px){.chat-header{padding:12px 14px 8px}.chat-main{padding:10px 10px 8px}.chat-input-inner{border-radius:18px}.message{max-width:100%}}.login-header{padding:12px;float:right;background:#050509}.sign-in-button{border:none;outline:none;cursor:pointer;padding:8px 12px;border-radius:var(--radius-full);color:#020617;font-size:.85rem;font-weight:200;display:inline-flex;align-items:center;gap:5px;transition:transform .1s ease-out,box-shadow .1s ease-out,filter .12s ease-out}.sign-in-button:hover{filter:brightness(.9)}.sign-in-button:active{filter:brightness(.7)}