:root{color-scheme:dark;--bg: #0f1115;--bg-raised: #171a21;--border: #2a2f3a;--text: #e6e8ee;--muted: #8b93a7;--accent: #5b8def;--danger: #e05b5b}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}#root{height:100vh;display:flex;flex-direction:column}.shell{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:.6rem 1rem;border-bottom:1px solid var(--border)}.topbar h1{font-size:1.1rem;margin:0}.topbar-right{display:flex;align-items:center;gap:.75rem}.centered{flex:1;display:flex;align-items:center;justify-content:center;height:100%;min-height:60vh}.muted{color:var(--muted)}.error{color:var(--danger);font-size:.9rem}.card{background:var(--bg-raised);border:1px solid var(--border);border-radius:10px;padding:1.5rem}.auth-card{display:flex;flex-direction:column;gap:.75rem;width:min(360px,90vw)}.auth-card h1{margin:0}.auth-card p{margin:0 0 .5rem}input,textarea{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:.55rem .7rem;font:inherit}input:focus,textarea:focus{outline:1px solid var(--accent)}.btn{background:var(--bg-raised);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:.5rem .9rem;cursor:pointer;font:inherit}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.danger{border-color:var(--danger);color:var(--danger)}.btn.link{background:none;border:none;color:var(--accent);padding:0}.notes-layout{display:grid;grid-template-columns:320px 1fr;flex:1;min-height:0}.notes-list{border-right:1px solid var(--border);overflow-y:auto;padding:.75rem;display:flex;flex-direction:column;gap:.6rem}.notes-toolbar{display:flex;gap:.5rem}.notes-toolbar input{flex:1}.tag-row{display:flex;flex-wrap:wrap;gap:.35rem}.chip{background:var(--bg);border:1px solid var(--border);border-radius:999px;color:var(--muted);padding:.15rem .65rem;font-size:.8rem;cursor:pointer}.chip.active{border-color:var(--accent);color:var(--accent)}.notes-list ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.25rem}.notes-list li{display:flex;justify-content:space-between;align-items:baseline;gap:.5rem;padding:.5rem .6rem;border-radius:6px;cursor:pointer;border:1px solid transparent}.notes-list li:hover{background:var(--bg-raised)}.notes-list li.active{background:var(--bg-raised);border-color:var(--border)}.notes-list li.empty{cursor:default}.note-editor{min-height:0;display:flex}.editor{flex:1;display:flex;flex-direction:column;gap:.6rem;padding:1rem}.title-input{font-size:1.2rem;font-weight:600}.editor textarea{flex:1;resize:none;line-height:1.55}.editor-actions{display:flex;gap:.5rem}@media(max-width:720px){.notes-layout{grid-template-columns:1fr}.note-editor{display:none}.notes-list li.active+* .note-editor{display:flex}}