*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f0f4f8;--surface:#fff;--primary:#4f46e5;--primary-hover:#4338ca;--danger:#ef4444;--danger-hover:#dc2626;--text:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--shadow-md:0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.05);--radius:10px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app-container{max-width:900px;margin:0 auto;padding:2rem 1rem}.app-header{text-align:center;margin-bottom:2rem}.app-header h1{font-size:2.5rem;font-weight:800;color:var(--primary);letter-spacing:-.5px}.app-header p{color:var(--text-muted);margin-top:.25rem;font-size:1rem}.search-bar{width:100%;padding:.75rem 1rem;font-size:1rem;border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);outline:none;transition:border-color .2s;margin-bottom:1.5rem;box-shadow:var(--shadow)}.search-bar:focus{border-color:var(--primary)}.search-bar::placeholder{color:var(--text-muted)}.note-form{background:var(--surface);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-md);margin-bottom:2rem;border:1px solid var(--border)}.note-form h2{font-size:1.1rem;font-weight:700;color:var(--text)}.form-group,.note-form h2{margin-bottom:1rem}.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-muted);margin-bottom:.35rem;text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;padding:.65rem .9rem;font-size:1rem;border:2px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);outline:none;transition:border-color .2s;font-family:inherit}.form-input:focus{border-color:var(--primary);background:var(--surface)}textarea.form-input{resize:vertical;min-height:100px}.form-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1rem}.btn{padding:.6rem 1.25rem;font-size:.95rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:background .2s,transform .1s;font-family:inherit}.btn:active{transform:scale(.97)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--border);color:var(--text)}.btn-secondary:hover{background:#cbd5e1}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn-sm{padding:.35rem .75rem;font-size:.82rem}.notes-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.notes-header h2{font-size:1.1rem;font-weight:700;color:var(--text)}.notes-count{font-size:.85rem;color:var(--text-muted);background:var(--border);padding:.2rem .6rem;border-radius:999px;font-weight:600}.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:1rem;gap:1rem}.note-card{background:var(--surface);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow);border:1px solid var(--border);display:flex;flex-direction:column;gap:.5rem;transition:box-shadow .2s,transform .2s;position:relative}.note-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.note-card-title{font-size:1rem;font-weight:700;color:var(--text);word-break:break-word}.note-card-body{font-size:.9rem;color:var(--text-muted);white-space:pre-wrap;word-break:break-word;flex:1 1;max-height:120px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical}.note-card-date{font-size:.75rem;color:#94a3b8;margin-top:.25rem}.note-card-actions{display:flex;gap:.5rem;margin-top:.5rem}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-muted)}.empty-state .icon{font-size:3rem;margin-bottom:1rem}.empty-state p{font-size:1rem}.highlight{background:#fef08a;border-radius:2px;padding:0 1px}@media (max-width:600px){.app-header h1{font-size:1.8rem}.notes-grid{grid-template-columns:1fr}}