*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f8fafc;color:#1e293b}button{cursor:pointer;font:inherit}input,select,textarea{font:inherit}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #00000014;display:flex;flex-direction:column;gap:.75rem;width:340px}.auth-card h1{font-size:1.3rem;text-align:center}.auth-card h2{font-size:1rem;font-weight:500;color:#64748b;text-align:center}.auth-card input{padding:.6rem .8rem;border:1px solid #cbd5e1;border-radius:8px}.layout{display:flex;min-height:100vh}.sidebar{width:250px;background:#fff;border-right:1px solid #e2e8f0;padding:1rem;display:flex;flex-direction:column;gap:.5rem;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{font-weight:700;font-size:1.1rem;margin-bottom:.5rem}.section-title{font-size:.75rem;text-transform:uppercase;color:#94a3b8;margin-top:1rem;letter-spacing:.05em}.nav-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.45rem .6rem;border:none;background:none;border-radius:8px;text-align:left;color:#334155}.nav-item:hover{background:#f1f5f9}.nav-item.active{background:#e0e7ff;color:#3730a3;font-weight:600}.nav-item .count{font-size:.75rem;color:#94a3b8}.nav-item.folder{padding:0}.folder-name{flex:1;display:flex;align-items:center;gap:.5rem;padding:.45rem .6rem;border:none;background:none;border-radius:8px;text-align:left;color:inherit}.folder-name .count{margin-left:auto}.dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.add-folder{display:flex;gap:.3rem}.add-folder input{flex:1;padding:.35rem .5rem;border:1px solid #cbd5e1;border-radius:6px;font-size:.85rem}.add-folder button{border:1px solid #cbd5e1;background:#fff;border-radius:6px;width:28px}.tag-cloud{display:flex;flex-wrap:wrap;gap:.35rem}.tag{border:1px solid #cbd5e1;background:#fff;border-radius:999px;padding:.15rem .6rem;font-size:.8rem;color:#475569}.tag.active{background:#e0e7ff;border-color:#6366f1;color:#3730a3}.tag.small{font-size:.7rem;padding:.05rem .45rem}.sidebar-footer{margin-top:auto;padding-top:1rem;border-top:1px solid #e2e8f0;display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.main{flex:1;padding:1.25rem 1.5rem}.toolbar{display:flex;gap:.6rem;margin-bottom:1rem}.search{flex:1;padding:.55rem .9rem;border:1px solid #cbd5e1;border-radius:8px}.toolbar select{padding:.5rem;border:1px solid #cbd5e1;border-radius:8px;background:#fff}.primary{background:#4f46e5;color:#fff;border:none;padding:.55rem 1rem;border-radius:8px;font-weight:600}.primary:hover{background:#4338ca}.primary:disabled{opacity:.6;cursor:default}.danger{background:#ef4444;color:#fff;border:none;padding:.5rem .9rem;border-radius:8px}.link{background:none;border:none;color:#4f46e5;text-decoration:underline;font-size:.85rem}.icon-btn{background:none;border:none;font-size:.95rem;padding:.15rem .3rem;border-radius:6px}.icon-btn:hover{background:#00000012}.error-banner{background:#fee2e2;color:#991b1b;padding:.5rem .8rem;border-radius:8px;margin-bottom:.8rem;font-size:.9rem}.bulk-bar{display:flex;align-items:center;gap:.6rem;background:#eef2ff;border:1px solid #c7d2fe;padding:.5rem .8rem;border-radius:8px;margin-bottom:1rem;flex-wrap:wrap}.bulk-bar button,.bulk-bar select{padding:.3rem .7rem;border-radius:6px;border:1px solid #cbd5e1;background:#fff;font-size:.85rem}.bulk-bar .danger{background:#ef4444;color:#fff;border:none}.empty{text-align:center;color:#94a3b8;padding:4rem 0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.9rem}.card{border:1px solid #e2e8f0;border-radius:12px;padding:.7rem .8rem;display:flex;flex-direction:column;gap:.4rem;transition:box-shadow .15s}.card:hover{box-shadow:0 4px 14px #00000014}.card.selected{outline:2px solid #6366f1}.card-top{display:flex;justify-content:space-between;align-items:center}.card-actions{display:flex;gap:.1rem}.card-body{cursor:pointer;flex:1}.card-body h3{font-size:.95rem;margin-bottom:.3rem;word-break:break-word}.card-body p{font-size:.82rem;color:#475569;white-space:pre-wrap;word-break:break-word}.card-tags{display:flex;flex-wrap:wrap;gap:.25rem;margin-top:.4rem}.card-folder{font-size:.72rem;color:#64748b;margin-top:.35rem}.card-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(0,0,0,.06);padding-top:.4rem}.card-footer small{color:#94a3b8;font-size:.7rem}.pager{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1.2rem}.pager button{padding:.4rem .8rem;border:1px solid #cbd5e1;border-radius:8px;background:#fff}.pager button:disabled{opacity:.4;cursor:default}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:50}.modal{background:#fff;width:640px;max-width:100%;max-height:90vh;overflow-y:auto;border-radius:14px;padding:1.1rem 1.3rem;display:flex;flex-direction:column;gap:.7rem}.modal-header{display:flex;gap:.5rem;align-items:center}.title-input{flex:1;font-size:1.15rem;font-weight:600;border:none;background:transparent;outline:none}.content-input{width:100%;border:1px solid rgba(0,0,0,.12);border-radius:8px;padding:.6rem .8rem;resize:vertical;background:#fff9}.editor-row{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;font-size:.88rem}.editor-row label{color:#475569;min-width:70px}.editor-row select,.editor-row input{padding:.35rem .5rem;border:1px solid #cbd5e1;border-radius:6px;background:#fff}.editor-row input{flex:1}.color-row{display:flex;gap:.35rem}.swatch{width:24px;height:24px;border-radius:50%;border:1px solid #cbd5e1}.swatch.active{outline:2px solid #4f46e5;outline-offset:1px}.versions{border:1px solid rgba(0,0,0,.1);border-radius:8px;padding:.5rem .7rem;display:flex;flex-direction:column;gap:.35rem;background:#fff9;font-size:.85rem}.version-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.modal-footer{display:flex;justify-content:space-between;align-items:center;margin-top:.3rem}.modal-footer small{color:#64748b}@media (max-width: 720px){.layout{flex-direction:column}.sidebar{width:100%;height:auto;position:static}}