:root{--bg: #0e1420;--surface: #141b2b;--elevated: #1c2740;--elevated-hover: #24304d;--bubble-in: #1c2740;--bubble-out: #ff6b4a;--accent: #ff6b4a;--accent-dim: #d9573a;--accent-soft: rgba(255, 107, 74, .14);--text: #f4f6fb;--text-muted: #7c8aa3;--text-faint: #55617a;--border: #232f47;--success: #3ac97e;--danger: #e5554a;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 9px;--font-display: "Manrope", sans-serif;--font-body: "Inter", sans-serif;--tabbar-height: 62px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overscroll-behavior:none}button{font-family:inherit;color:inherit}input,textarea{font-family:inherit}input:focus-visible,button:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-thumb{background:var(--elevated);border-radius:8px}::-webkit-scrollbar-track{background:transparent}.app-shell{display:flex;flex-direction:column;height:100%;overflow:hidden;position:relative}.app-panels{flex:1;min-height:0;display:flex;position:relative;overflow:hidden}.sidebar{width:320px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100%}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;flex-shrink:0}.brand{display:flex;align-items:center;gap:8px}.brand-name{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:-.01em}.icon-btn{width:40px;height:40px;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--accent);color:#12080a;border:none;cursor:pointer;transition:transform .15s ease,filter .15s ease}.icon-btn:hover{filter:brightness(1.08)}.icon-btn:active{transform:scale(.92)}.chatlist-wrap{flex:1;overflow-y:auto;padding:6px 0 12px}.chatlist{display:flex;flex-direction:column}.chatlist-item{display:flex;align-items:center;gap:12px;padding:8px 16px;border-radius:var(--radius-md);margin:0 6px;transition:background .15s ease}.chatlist-item.is-active,.chatlist-item:hover{background:var(--elevated)}.chatlist-avatar-btn{width:48px;height:48px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:17px;flex-shrink:0;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.chatlist-avatar-btn:hover{box-shadow:0 0 0 3px var(--accent-soft)}.chatlist-avatar-btn:active{transform:scale(.94)}.chatlist-body-btn{flex:1;min-width:0;display:block;text-align:left;background:transparent;border:none;cursor:pointer;padding:6px 0}.chatlist-row-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.chatlist-title{font-weight:600;font-size:15px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chatlist-time{font-size:12px;color:var(--text-muted);flex-shrink:0}.chatlist-preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.chatlist-empty{padding:60px 24px 40px;text-align:center;color:var(--text-faint);display:flex;flex-direction:column;align-items:center;gap:10px}.chatlist-empty-title{font-weight:600;font-size:15px;color:var(--text-muted);margin:0}.chatlist-empty-text{font-size:13px;margin:0}.main-panel{flex:1;min-width:0;height:100%}.conv-wrap{display:flex;flex-direction:column;height:100%}.conv-header{display:flex;align-items:center;gap:10px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.conv-header-identity{display:flex;align-items:center;gap:12px;background:transparent;border:none;cursor:pointer;padding:4px 6px;border-radius:var(--radius-sm);transition:background .15s ease;min-height:44px}.conv-header-identity:hover{background:var(--elevated)}.conv-avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:15px;flex-shrink:0}.conv-header-title{font-weight:600;font-size:15px;text-align:left}.back-btn{display:none}.conv-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:8px}.bubble-row{display:flex;justify-content:flex-start;animation:bubble-in .18s ease}.bubble-row.is-mine{justify-content:flex-end}@keyframes bubble-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.msg-bubble{max-width:70%;padding:10px 14px;border-radius:var(--radius-md);font-size:14.5px;line-height:1.4;position:relative}.bubble-in{background:var(--bubble-in);color:var(--text);border-bottom-left-radius:4px}.bubble-out{background:var(--bubble-out);color:#1a0f0a;border-bottom-right-radius:4px}.bubble-sender{font-size:12px;font-weight:700;color:var(--accent);margin-bottom:2px}.bubble-body{overflow-wrap:anywhere}.bubble-time{font-size:10.5px;opacity:.65;margin-top:4px;text-align:right;display:flex;justify-content:flex-end;align-items:center;gap:4px}.bubble-pending{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.3}50%{opacity:1}}.composer{display:flex;gap:10px;padding:14px;border-top:1px solid var(--border);background:var(--surface);flex-shrink:0}.composer-input{flex:1;background:var(--elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 16px;color:var(--text);font-size:16px}.composer-send{background:var(--accent);color:#1a0f0a;border:none;border-radius:var(--radius-md);width:48px;min-height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .15s ease,filter .15s ease,opacity .15s ease}.composer-send:hover:not(:disabled){filter:brightness(1.08)}.composer-send:active:not(:disabled){transform:scale(.92)}.composer-send:disabled{opacity:.4;cursor:not-allowed}.conv-placeholder{height:100%;display:flex;align-items:center;justify-content:center}.conv-placeholder-text{color:var(--text-muted);font-size:14px}.bottom-tabbar{display:none}@media (max-width: 780px){.bottom-tabbar{display:flex;height:var(--tabbar-height);flex-shrink:0;background:var(--surface);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom,0)}.tab-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:transparent;border:none;color:var(--text-muted);font-size:11px;font-weight:600;cursor:pointer;min-height:44px;transition:color .15s ease}.tab-btn.is-active{color:var(--accent)}}@media (max-width: 780px){.app-panels{position:relative}.sidebar{width:100%;position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;transition:transform .2s ease}.sidebar.is-hidden{transform:translate(-100%)}.sidebar.tab-inactive{transform:translate(-100%);visibility:hidden}.main-panel{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;transform:translate(100%);transition:transform .2s ease;background:var(--bg)}.main-panel.is-active{transform:translate(0)}.main-panel.tab-inactive{visibility:hidden}.back-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:transparent;border:none;color:var(--text);cursor:pointer;margin-right:2px;flex-shrink:0;transition:background .15s ease}.back-btn:hover,.back-btn:active{background:var(--elevated)}.msg-bubble{max-width:84%!important}}.profile-panel,.user-profile-panel{position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;background:var(--bg);overflow-y:auto;display:none}.profile-panel.is-active,.user-profile-panel.is-active{display:block}@media (min-width: 781px){.profile-panel,.user-profile-panel{left:320px}}.profile-page{max-width:460px;margin:0 auto;padding:32px 24px 48px;display:flex;flex-direction:column;gap:20px}.user-profile-back{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;background:transparent;border:none;color:var(--text-muted);font-size:14px;font-weight:600;cursor:pointer;padding:8px 10px;border-radius:var(--radius-sm);min-height:44px;transition:background .15s ease,color .15s ease}.user-profile-back:hover{background:var(--elevated);color:var(--text)}.profile-hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding-top:12px}.profile-avatar-wrap{margin-bottom:8px}.profile-avatar{width:92px;height:92px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:34px;font-family:var(--font-display);box-shadow:0 8px 30px #00000059}.profile-name{font-family:var(--font-display);font-size:24px;font-weight:800;margin:4px 0 0}.profile-username{display:flex;align-items:center;gap:4px;color:var(--text-muted);font-size:14px}.profile-bio{margin:12px 0 0;font-size:14.5px;line-height:1.5;color:var(--text);max-width:360px}.profile-bio-empty{color:var(--text-faint);font-style:italic}.profile-status{text-align:center;color:var(--text-muted);padding:40px 0}.profile-actions{display:flex;flex-direction:column;gap:10px;margin-top:8px}.profile-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--elevated);color:var(--text);font-weight:600;font-size:14.5px;cursor:pointer;min-height:48px;transition:filter .15s ease,transform .15s ease,background .15s ease}.profile-btn:hover:not(:disabled){background:var(--elevated-hover)}.profile-btn:active:not(:disabled){transform:scale(.98)}.profile-btn:disabled{opacity:.6;cursor:not-allowed}.profile-btn-primary{background:var(--accent);border-color:var(--accent);color:#1a0f0a}.profile-btn-primary:hover:not(:disabled){filter:brightness(1.06)}.profile-btn-danger{color:var(--danger);border-color:#e5554a59;background:#e5554a14}.profile-btn-danger:hover{background:#e5554a24}.profile-meta{display:flex;align-items:center;justify-content:center;gap:6px;color:var(--text-faint);font-size:12.5px;margin-top:4px}.profile-edit-form{width:100%;display:flex;flex-direction:column;gap:16px;text-align:left;margin-top:8px}.profile-field{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--text-muted);font-weight:600}.profile-field input,.profile-field textarea{background:var(--elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;color:var(--text);font-size:15px;resize:vertical}.color-swatches{display:flex;flex-wrap:wrap;gap:10px;margin-top:2px}.color-swatch{width:34px;height:34px;min-width:34px;min-height:34px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,border-color .15s ease}.color-swatch:hover{transform:scale(1.08)}.color-swatch.is-selected{border-color:var(--text)}.profile-error{color:var(--danger);font-size:13px;background:#e5554a1a;border:1px solid rgba(229,85,74,.3);border-radius:var(--radius-sm);padding:10px 12px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:50;animation:fade-in .15s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal-card{width:320px;max-width:calc(100vw - 32px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;animation:modal-pop .18s ease}@keyframes modal-pop{0%{opacity:0;transform:scale(.96) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-title{margin:0 0 16px;font-family:var(--font-display);font-size:18px}.modal-form{display:flex;flex-direction:column;gap:12px}.modal-input-wrap{display:flex;align-items:center;gap:8px;background:var(--elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 14px;color:var(--text-muted)}.modal-input{flex:1;background:transparent;border:none;padding:12px 0;color:var(--text);font-size:14.5px}.modal-error{color:var(--danger);font-size:13px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.modal-cancel{background:transparent;border:none;color:var(--text-muted);font-weight:600;cursor:pointer;padding:10px 14px;min-height:44px;border-radius:var(--radius-sm);transition:background .15s ease}.modal-cancel:hover{background:var(--elevated)}.modal-submit{background:var(--accent);color:#1a0f0a;border:none;border-radius:var(--radius-sm);padding:10px 18px;min-height:44px;font-weight:700;cursor:pointer;transition:filter .15s ease}.modal-submit:hover:not(:disabled){filter:brightness(1.06)}.modal-submit:disabled{opacity:.6;cursor:not-allowed}