@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";:root{--bg-shell:#d7d4f7;--bg-shell-gradient:radial-gradient(circle at 10% 0%, #f1d6e5 0%, #f1d6e54d 40%), radial-gradient(circle at 100% 100%, #7fc0f3 0%, #7fc0f333 36%), linear-gradient(120deg, #c09be3 0%, #95a7ef 65%, #84c8ec 100%);--panel:#f8f8fa;--panel-border:#e7e7ec;--panel-strong:#fff;--text-main:#1f1f24;--text-muted:#6f6f78;--accent:#5e4dff;--accent-soft:#ece9ff;--danger:#ef4444}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;font-family:Plus Jakarta Sans,sans-serif}body{background:var(--bg-shell-gradient);color:var(--text-main);overflow:hidden}button,input,textarea{font-family:inherit}.screen-center{width:100%;height:100vh;color:var(--text-muted);place-items:center;font-size:18px;display:grid}.login-shell{place-items:center;width:100%;height:100vh;padding:24px;display:grid}.login-card{background:var(--panel-strong);border:1px solid var(--panel-border);border-radius:20px;width:min(420px,100%);padding:28px;box-shadow:0 18px 50px #231e551f}.login-card h1{margin:0 0 8px;font-size:30px}.login-card p{color:var(--text-muted);margin:0 0 22px}.login-form{gap:14px;display:grid}.login-form label{color:var(--text-muted);gap:8px;font-size:14px;display:grid}.login-form input{border:1px solid var(--panel-border);background:#fff;border-radius:12px;padding:12px 13px;font-size:15px}.login-form button{color:#fff;cursor:pointer;background:linear-gradient(90deg,#6a5bff 0%,#5340f4 100%);border:0;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:15px;display:inline-flex}.chat-layout{width:100vw;height:100vh;box-shadow:none;background:#fcfcffe6;border:0;border-radius:0;grid-template-columns:240px 1fr;margin:0;display:grid;overflow:hidden}.sidebar{border-right:1px solid var(--panel-border);background:var(--panel);grid-template-rows:auto auto 1fr auto;gap:14px;height:100%;padding:16px 14px;display:grid}.brand-row{align-items:center;gap:10px;padding:4px;display:flex}.brand-mark{color:#fff;background:linear-gradient(130deg,#c6bbff 0%,#7e68ff 100%);border-radius:50%;place-items:center;width:30px;height:30px;font-size:14px;display:grid}.brand-text{letter-spacing:-.4px;font-size:24px;font-weight:700}.new-chat-btn{color:#fff;cursor:pointer;background:linear-gradient(90deg,#6a5bff 0%,#4f3ffa 100%);border:0;border-radius:10px;justify-content:center;align-items:center;gap:8px;height:40px;font-size:14px;font-weight:600;transition:transform .16s;display:flex}.new-chat-btn:hover{transform:translateY(-1px)}.chat-list{align-content:start;gap:8px;padding-right:2px;display:grid;overflow-y:auto}.chat-item{border:1px solid #0000;border-radius:10px;grid-template-columns:1fr auto;gap:4px;display:grid}.chat-item button{text-align:left;cursor:pointer;background:0 0;border:0}.chat-item>button:first-child{padding:9px}.chat-item.active{background:var(--accent-soft);border-color:#d8d2ff}.chat-title{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;font-size:13px;display:block;overflow:hidden}.chat-date{color:var(--text-muted);margin-top:4px;font-size:11px;display:block}.chat-delete{color:#9a99a8;place-items:center;width:28px;display:grid}.empty-hint{color:var(--text-muted);margin:8px 4px;font-size:13px}.sidebar-footer{border-top:1px solid var(--panel-border);padding-top:10px}.user-email{color:var(--text-muted);margin-bottom:8px;font-size:13px}.logout-btn{border:1px solid var(--panel-border);cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;height:36px;display:flex}.chat-main{background:linear-gradient(120deg,#fceff6bf 0%,#f8f8fa66 42%,#f8f1e2b3 100%);grid-template-rows:1fr auto;height:100%;min-height:0;display:grid}.chat-content{min-height:0;padding:18px 28px 0;display:flex;position:relative;overflow:hidden}.chat-window-wrap{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:linear-gradient(150deg,#fffffff2 0%,#f3f8ffe0 100%),radial-gradient(circle at 100% 0,#4272ff29 0%,#4272ff00 50%);border:1px solid #ffffffe6;border-radius:20px;flex:1;width:100%;min-height:0;padding:20px 20px 26px;overflow:hidden auto;box-shadow:inset 0 1px #ffffffe6}.messages-list{align-content:start;gap:14px;padding-bottom:8px;display:grid}.message-row{grid-template-columns:40px minmax(0,1fr);align-items:end;gap:10px;animation:.28s message-appear;display:grid}.message-row.user{grid-template-columns:minmax(0,1fr) 40px}.message-avatar{color:#eaf0ff;background:linear-gradient(160deg,#1f293f 0%,#0f172a 100%);border:1px solid #ffffff3d;border-radius:50%;place-items:center;width:40px;height:40px;display:grid;box-shadow:0 8px 24px #0f172a3d}.message-row.user .message-avatar{background:linear-gradient(160deg,#5d63ff 0%,#7f4dff 100%);order:2}.message-content{gap:6px;max-width:min(88%,920px);display:grid}.message-row.user .message-content{order:1;justify-self:end;justify-items:end}.message-label{text-transform:uppercase;letter-spacing:.08em;color:#4f5977;font-size:11px;font-weight:700}.message-bubble{background:linear-gradient(160deg,#182439 0%,#1d2b48 100%);border:1px solid #ffffff29;border-radius:16px;width:fit-content;max-width:100%;padding:12px 14px;box-shadow:0 12px 26px #12182838}.message-row.user .message-bubble{background:linear-gradient(135deg,#5f67ff 0%,#7d49ff 100%);border-color:#ffffff5c}.message-bubble p{white-space:pre-wrap;color:#f9fbff;margin:0;font-size:15px;line-height:1.5}.file-chip{background:#f7faff24;border:1px solid #ffffff40;border-radius:12px;align-items:center;gap:8px;max-width:100%;margin-top:10px;padding:7px 10px;display:inline-flex}.message-row.user .file-chip{background:#ffffff29}.file-chip-icon{background:#ffffff3d;border-radius:6px;place-items:center;width:22px;height:22px;display:grid}.file-chip-name{text-overflow:ellipsis;white-space:nowrap;color:#f8fbff;min-width:0;font-size:12px;overflow:hidden}.chat-placeholder{text-align:center;flex:1;place-content:center;justify-items:center;gap:8px;width:100%;height:100%;display:grid}.chat-placeholder .wave{font-size:48px;animation:1.8s ease-in-out infinite wave}.chat-placeholder h2{margin:0;font-size:42px}.chat-placeholder p{color:#4f5977;margin:0;font-size:24px}.chat-footer{padding:12px 28px 18px}.status-card{background:linear-gradient(140deg,#f6f9ff 0%,#eff2ff 70%,#eaf6ff 100%);border:1px solid #dbe4ff;border-radius:14px;margin-top:6px;padding:12px;box-shadow:0 12px 28px #4057aa24}.status-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.status-stage{color:#2b3a73;align-items:center;gap:8px;font-size:13px;font-weight:700;display:inline-flex}.status-percent{color:#4056d5;font-size:14px}.status-bar{background:#788ce933;border-radius:999px;height:8px;margin-top:10px;overflow:hidden}.status-bar-fill{border-radius:inherit;background:linear-gradient(90deg,#5067f8 0%,#4e95ff 100%);height:100%;transition:width .35s;box-shadow:0 0 16px #4a76ff80}.status-meta{color:#4a5682;grid-template-columns:1fr auto auto;align-items:center;gap:8px;margin-top:8px;font-size:12px;display:grid}.status-page{color:#294cc7;white-space:nowrap;background:#6a84ff24;border-radius:999px;padding:3px 8px}.thinking-dots{align-items:center;gap:4px;display:inline-flex}.thinking-dots i{opacity:.3;background:#4c66e8;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite dot-pulse}.thinking-dots i:nth-child(2){animation-delay:.2s}.thinking-dots i:nth-child(3){animation-delay:.4s}.composer-shell{background:#fff;border:1px solid #e7e7f1;border-radius:18px;width:min(980px,100%);margin:0 auto;padding:14px;box-shadow:0 10px 30px #3e388c1a}.upload-dropzone{text-align:center;cursor:pointer;background:#f6f5fb;border:2px dashed #c9b8ff;border-radius:16px;place-content:center;justify-items:center;width:100%;min-height:220px;padding:24px;transition:border-color .2s,background .2s;display:grid}.upload-dropzone.dragging{background:#efecff;border-color:#7a57ff}.upload-file-icon{color:#fff;background:#111625;border-radius:50%;place-items:center;width:44px;height:44px;margin-bottom:12px;display:grid}.upload-dropzone h3{letter-spacing:-.4px;margin:0 0 8px;font-size:22px}.upload-dropzone p{color:#6f6f78;margin:0;font-size:14px}.upload-action{color:#fff;cursor:pointer;background:linear-gradient(90deg,#7d39ff 0%,#9c30ff 100%);border:0;border-radius:12px;justify-content:center;align-items:center;gap:8px;height:48px;margin-top:18px;padding:0 22px;font-size:16px;font-weight:600;display:inline-flex}.upload-action:disabled{opacity:.6;cursor:not-allowed}.selected-file-pill{background:#f5f5ff;border:1px solid #dde3ff;border-radius:12px;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;padding:10px;font-size:14px;display:flex}.selected-file-main{align-items:center;gap:10px;min-width:0;display:flex}.selected-file-icon{color:#25326f;background:linear-gradient(150deg,#d8e2ff 0%,#e8ddff 100%);border-radius:8px;place-items:center;width:28px;height:28px;display:grid}.selected-file-meta{min-width:0;display:grid}.selected-file-meta strong{text-overflow:ellipsis;white-space:nowrap;color:#1f2750;min-width:0;font-size:13px;display:block;overflow:hidden}.selected-file-meta small{color:var(--text-muted);font-size:12px}.selected-file-pill button{cursor:pointer;background:#e4e9ff;border:0;border-radius:8px;height:30px;padding:0 10px;font-size:12px}.composer-row{background:#fff;border:1px solid #ececf2;border-radius:12px;grid-template-columns:1fr auto;align-items:end;gap:10px;margin-top:12px;padding:8px;display:grid}.composer-row textarea{resize:none;background:0 0;border:0;outline:none;min-height:56px;max-height:160px;padding:8px;font-size:16px;line-height:1.45}.composer-send-btn{cursor:pointer;color:#fff;background:#65f;border:0;border-radius:12px;min-width:96px;height:44px;font-size:14px;font-weight:600}.composer-send-btn:disabled{opacity:.55;cursor:not-allowed}.attach-btn,.send-btn{cursor:pointer;border:0;border-radius:50%;width:36px;height:36px}.attach-btn{background:#f2f2f8}.send-btn{color:#fff;background:#65f;font-size:20px}.send-btn:disabled{opacity:.55;cursor:not-allowed}.hidden-file{display:none}.snackbar{z-index:1000;color:#9f1239;background:#fff1f2;border:1px solid #fecaca;border-radius:12px;align-items:center;gap:10px;max-width:min(420px,100vw - 32px);padding:10px 12px;display:flex;position:fixed;top:16px;right:16px;box-shadow:0 10px 30px #0f172a33}.spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes wave{0%,to{transform:rotate(0)}25%{transform:rotate(10deg)}75%{transform:rotate(-10deg)}}@keyframes message-appear{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes dot-pulse{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.snackbar button{cursor:pointer;width:24px;height:24px;color:inherit;background:#9f12391a;border:0;border-radius:6px}@media (width<=1024px){body{overflow:hidden}.chat-layout{border-radius:0;grid-template-columns:1fr;width:100%;height:100vh;margin:0}.sidebar{display:none}.chat-main{height:100vh}.chat-content{padding:8px 14px 0}.chat-window-wrap{border-radius:14px;padding:14px 12px 18px}.message-row{grid-template-columns:34px minmax(0,1fr)}.message-row.user{grid-template-columns:minmax(0,1fr) 34px}.message-avatar{width:34px;height:34px}.message-content{max-width:96%}.status-meta{grid-template-columns:1fr}.thinking-dots{justify-self:start}.chat-footer{padding:10px 14px 14px}.upload-dropzone{min-height:176px}.upload-dropzone h3{font-size:18px}.selected-file-pill{align-items:flex-start}.chat-placeholder h2{font-size:32px}.chat-placeholder p{font-size:18px}}