:root{--bg: #000000;--surface: #0a0a0a;--surface-2: #141414;--surface-3: #1c1c1c;--border: rgba(255, 255, 255, .09);--border-strong: rgba(255, 255, 255, .16);--text: #f2f2f0;--muted: #8a8a8f;--accent: #f5a623;--accent-dim: rgba(245, 166, 35, .14);--accent2: #4fd1c5;--danger: #ff6b6b;--radius: 10px;--font-display: "IBM Plex Mono", ui-monospace, monospace;--font-body: "Inter", system-ui, sans-serif;--font-code: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;--bottom-nav-h: 58px;--topbar-h: 54px}*{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}button,input,select,textarea{font-family:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:var(--accent-dim);color:var(--text)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}::-webkit-scrollbar-track{background:transparent}@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}.mono{font-family:var(--font-display)}.shell{display:flex;flex-direction:column;height:100dvh;background:var(--bg)}.body{flex:1;display:flex;min-height:0}.topbar{flex-shrink:0;height:var(--topbar-h);display:flex;align-items:center;gap:12px;padding:0 14px;border-bottom:1px solid var(--border);background:var(--bg)}.brand{font-family:var(--font-display);font-weight:600;font-size:14px;letter-spacing:.01em;display:flex;align-items:center;gap:8px;color:var(--text)}.brand-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0}.sync-ribbon{display:flex;align-items:center;gap:5px;margin-left:4px;color:var(--muted)}.sync-ribbon svg{display:block}.sync-ribbon .line{stroke:var(--border);stroke-dasharray:3 4}.sync-ribbon.pulsing .line{animation:dash 1.1s linear infinite;stroke:var(--accent)}@keyframes dash{to{stroke-dashoffset:-14}}.topbar-spacer{flex:1}.menu-btn{display:none}@media (max-width: 760px){.menu-btn{display:inline-flex}}.nav-tabs{display:flex;gap:3px}@media (max-width: 760px){.nav-tabs{display:none}}.nav-tab{background:transparent;border:none;color:var(--muted);border-radius:8px;padding:7px 12px;font-size:12.5px;cursor:pointer;font-family:var(--font-display);display:flex;align-items:center;gap:6px}.nav-tab:hover{color:var(--text);background:var(--surface)}.nav-tab.active{background:var(--surface-2);color:var(--accent)}.badge{background:var(--accent);color:#140d02;font-size:10px;font-weight:700;border-radius:999px;padding:1px 6px;min-width:15px;text-align:center}.bottom-nav{display:none}@media (max-width: 760px){.bottom-nav{display:flex;flex-shrink:0;height:calc(var(--bottom-nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--border);background:var(--bg)}}.bottom-nav-tab{flex:1;background:transparent;border:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-family:var(--font-body);font-size:10.5px;position:relative}.bottom-nav-tab svg{display:block}.bottom-nav-tab.active{color:var(--accent)}.bottom-nav-tab .badge{position:absolute;top:2px;right:22%}.sidebar{width:260px;flex-shrink:0;display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--bg);min-height:0}@media (max-width: 760px){.sidebar{display:none}.shell.show-sidebar .sidebar{display:flex;position:fixed;z-index:20;background:var(--bg);inset:var(--topbar-h) 0 calc(var(--bottom-nav-h) + env(safe-area-inset-bottom)) 0;width:auto}.shell.show-sidebar .main{display:none}}.sidebar-header{display:flex;gap:8px;padding:12px;border-bottom:1px solid var(--border)}.note-list{flex:1;overflow-y:auto;padding:6px}.note-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:var(--radius);cursor:pointer;margin-bottom:2px;border:1px solid transparent}.note-item:hover{background:var(--surface)}.note-item.active{background:var(--surface-2);border-color:var(--border)}.note-item .title{font-size:13.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.note-item .meta{font-size:11px;color:var(--muted);display:flex;gap:6px;align-items:center}.lang-tag{font-family:var(--font-display);font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:var(--accent)}.share-pill{font-size:10px;color:var(--accent2);border:1px solid var(--accent2);border-radius:999px;padding:1px 6px}.empty-notes{padding:24px 16px;color:var(--muted);font-size:13px;line-height:1.5}.main{flex:1;display:flex;flex-direction:column;min-height:0;min-width:0}.editor-toolbar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border);flex-wrap:wrap}.note-title-input{background:transparent;border:none;color:var(--text);font-family:var(--font-display);font-size:14px;font-weight:600;flex:1;min-width:100px}.note-title-input:focus{outline:none}.cm-wrap{flex:1;min-height:0;overflow:hidden}.cm-wrap .cm-editor{height:100%;font-family:var(--font-code);font-size:13.5px;background:transparent!important}.cm-wrap .cm-gutters{background:transparent!important;border-right:1px solid var(--border)!important}.cm-wrap .cm-scroller{overflow:auto}@media (max-width: 760px){.kbd{display:none}}.select{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 10px;font-size:12.5px;font-family:var(--font-display)}.btn{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:7px 12px;font-size:12.5px;cursor:pointer}.btn:hover{border-color:var(--border-strong);background:var(--surface-2)}.btn-icon{padding:7px}.btn-accent{background:var(--accent);border-color:var(--accent);color:#140d02;font-weight:600}.btn-accent:hover{filter:brightness(1.08);border-color:var(--accent)}.btn-danger{color:var(--danger)}.btn:active{transform:translateY(1px)}.kbd{font-family:var(--font-display);font-size:10px;color:var(--muted);border:1px solid var(--border);border-radius:4px;padding:1px 5px;margin-left:4px}.status{font-size:11.5px;color:var(--muted);padding:0 14px 10px;display:flex;gap:10px;align-items:center}.status .dot{width:6px;height:6px;border-radius:50%;background:var(--accent2)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted);text-align:center;padding:32px}.empty-state h2{font-family:var(--font-display);color:var(--text);font-size:18px;margin:0;font-weight:500}.empty-state p{max-width:380px;font-size:13.5px;line-height:1.6;margin:0}.auth-screen{height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px}.auth-card h1{font-family:var(--font-display);font-size:20px;margin:4px 0 6px;font-weight:600;color:var(--text)}.auth-card p{color:var(--muted);font-size:13.5px;line-height:1.6;margin:0 0 22px}.auth-actions{display:flex;flex-direction:column;gap:10px}.auth-actions .btn{justify-content:center;padding:10px 12px;font-size:13.5px}.auth-divider{color:var(--muted);font-size:11px;text-align:center;margin:4px 0;text-transform:uppercase;letter-spacing:.06em}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:40;padding:16px}.dialog{width:100%;max-width:420px;max-height:86dvh;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px}.dialog h3{font-family:var(--font-display);margin:0 0 6px;font-size:16px;font-weight:600;color:var(--text)}.dialog p{color:var(--muted);font-size:13px;margin:0 0 16px;line-height:1.5}.code-display{font-family:var(--font-display);font-size:26px;letter-spacing:.12em;text-align:center;background:var(--surface-2);border:1px dashed var(--border);border-radius:10px;padding:16px;color:var(--accent);margin-bottom:14px}.link-row{display:flex;gap:8px;margin-bottom:18px}.link-row input{flex:1;min-width:0;background:var(--surface-2);border:1px solid var(--border);color:var(--muted);border-radius:8px;padding:8px 10px;font-size:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}.field-label{font-size:11.5px;color:var(--muted);margin:12px 0 5px;display:block;text-transform:uppercase;letter-spacing:.04em}.text-input{width:100%;background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 11px;font-size:13.5px;resize:vertical}.text-input:focus{outline:none;border-color:var(--accent)}.profile-view{flex:1;overflow-y:auto}.profile-info{padding:24px 20px 14px;max-width:560px}.profile-info h2{font-family:var(--font-display);margin:0 0 2px;font-weight:600;color:var(--text)}.profile-info .handle{color:var(--muted);font-size:12.5px}.profile-info .bio{margin-top:10px;font-size:13.5px;line-height:1.6;color:var(--text)}.profile-actions{display:flex;gap:8px;padding:0 20px 6px;flex-wrap:wrap}.contact-links{display:flex;gap:8px;flex-wrap:wrap;padding:12px 20px}.contact-links a{color:var(--accent2);font-size:12.5px;text-decoration:none;border:1px solid var(--border);border-radius:999px;padding:4px 10px}.locked-note{padding:12px 20px;color:var(--muted);font-size:12.5px}.panel{flex:1;overflow-y:auto;padding:18px 20px;max-width:640px}.panel h3{font-family:var(--font-display);font-size:12.5px;margin:22px 0 10px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:500}.panel h3:first-child{margin-top:0}.search-row{display:flex;gap:8px}.user-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--surface)}.user-row .name{flex:1;font-size:13.5px;min-width:0}.user-row .name small{display:block;color:var(--muted);font-size:11.5px}.chat-shell{flex:1;display:flex;min-height:0;min-width:0}.chat-list{width:260px;flex-shrink:0;border-right:1px solid var(--border);overflow-y:auto}@media (max-width: 760px){.chat-list{width:100%}.chat-list.hide-on-mobile{display:none}}.chat-list-item{display:flex;align-items:center;gap:10px;padding:13px 14px;cursor:pointer;border-bottom:1px solid var(--border)}.chat-list-item:hover,.chat-list-item.active{background:var(--surface)}.chat-list-item .title{font-size:13.5px;color:var(--text)}.chat-list-item .preview{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-window{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}.chat-header{flex-shrink:0;display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border)}.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.msg-row{display:flex}.msg-row.mine{justify-content:flex-end}.msg-bubble{max-width:78%;padding:9px 12px;border-radius:12px;background:var(--surface);border:1px solid var(--border);font-size:13.5px;color:var(--text)}.msg-row.mine .msg-bubble{background:var(--accent-dim);border-color:#f5a62359}.msg-bubble.code{padding:0;overflow:hidden}.msg-bubble .code-head{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;background:#ffffff08;font-family:var(--font-display);font-size:10.5px;color:var(--accent2);text-transform:uppercase;letter-spacing:.04em}.msg-bubble pre{margin:0;padding:10px 12px;font-family:var(--font-code);font-size:12.5px;white-space:pre;overflow-x:auto;color:var(--text)}.msg-bubble .copy-msg{background:none;border:none;color:var(--muted);cursor:pointer;font-size:10.5px}.chat-input-row{flex-shrink:0;display:flex;align-items:flex-end;gap:8px;padding:10px 14px;padding-bottom:max(10px,env(safe-area-inset-bottom));border-top:1px solid var(--border)}.mode-toggle{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;flex-shrink:0}.mode-toggle button{background:var(--surface);border:none;color:var(--muted);font-size:11px;font-family:var(--font-display);padding:8px 10px;cursor:pointer}.mode-toggle button.active{background:var(--accent);color:#140d02}.chat-input-row textarea{flex:1;min-width:0;resize:none;background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 11px;font-size:13.5px;max-height:160px}.chat-input-row textarea:focus{outline:none;border-color:var(--accent)}.chat-input-row textarea.code-mode{font-family:var(--font-code);font-size:12.5px;white-space:pre}.import-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}.import-card{width:100%;max-width:560px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:14px}.import-code{align-self:flex-start;font-family:var(--font-display);font-size:12px;color:var(--accent2);border:1px solid var(--accent2);border-radius:999px;padding:3px 10px}.import-preview{border:1px solid var(--border);border-radius:10px;overflow:hidden;max-height:320px}.import-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}