:root{color-scheme:light;--bg: #f7f7f5;--surface: #ffffff;--border: #e2e2e0;--text: #1a1a1a;--text-muted: #6b6b6b;--accent: #2f6f4f;--accent-hover: #24593f;--danger: #b3261e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button{font-family:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:6px;padding:8px 14px;font-size:14px}button:hover{background:#f0f0ee}button.danger{color:var(--danger);border-color:var(--danger)}button.danger:hover{background:#fdecea}input,textarea{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}.app-loading{padding:40px;text-align:center;color:var(--text-muted)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-form{width:320px;display:flex;flex-direction:column;gap:12px;background:var(--surface);padding:32px;border-radius:10px;border:1px solid var(--border)}.auth-form h1{margin:0}.auth-subtitle{margin:0 0 8px;color:var(--text-muted)}.auth-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.auth-form button[type=submit]{background:var(--accent);color:#fff;border-color:var(--accent);margin-top:8px}.auth-form button[type=submit]:hover{background:var(--accent-hover)}.auth-switch{font-size:13px;color:var(--text-muted);text-align:center}.error-banner{background:#fdecea;color:var(--danger);border:1px solid #f5c6c2;border-radius:6px;padding:8px 12px;font-size:13px}.notes-page{display:flex;flex-direction:column;height:100vh}.notes-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--surface)}.notes-header h1{font-size:18px;margin:0}.notes-header-right{display:flex;align-items:center;gap:12px}.user-email{color:var(--text-muted);font-size:13px}.notes-body{flex:1;display:flex;overflow:hidden}.notes-sidebar{width:280px;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:12px;gap:8px;overflow-y:auto;background:var(--surface)}.search-bar,.new-note-button{width:100%}.notes-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.notes-list-item{width:100%;text-align:left;display:flex;flex-direction:column;gap:2px;padding:8px 10px;border:1px solid transparent;background:transparent}.notes-list-item.active{background:#eaf3ee;border-color:var(--accent)}.notes-list-title{font-weight:600;font-size:14px}.notes-list-preview{font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.notes-empty{padding:20px 8px;color:var(--text-muted);font-size:13px}.notes-main{flex:1;padding:20px;overflow-y:auto}.note-editor{display:flex;flex-direction:column;gap:12px;height:100%;max-width:720px}.note-editor-empty{color:var(--text-muted);padding:40px;text-align:center}.note-editor-title{font-size:18px;font-weight:600}.note-editor-body{flex:1;resize:none;min-height:300px;line-height:1.5}.note-editor-actions{display:flex;gap:8px}