@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-main:#f8fafc;--bg-sidebar:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--accent-primary:#2563eb;--accent-secondary:#4f46e5;--border-color:#e2e8f0;--card-bg:#fff;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);height:100vh;font-family:Inter,sans-serif;overflow:hidden}.app-layout{grid-template-columns:320px 1fr;height:100vh;display:grid}.sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);flex-direction:column;display:flex}.sidebar-header{border-bottom:1px solid var(--border-color);padding:1.5rem}.sidebar-header h2{font-size:1.1rem;font-weight:600}.sidebar-header small{color:var(--text-secondary)}.history-list{flex:1;padding:1rem;overflow-y:auto}.history-item{border-bottom:1px solid var(--border-color);cursor:pointer;border-radius:.5rem;padding:1rem;transition:background .2s;position:relative}.history-item:hover{background-color:#f1f5f9}.history-item h4{white-space:nowrap;text-overflow:ellipsis;margin-bottom:.25rem;font-size:.95rem;overflow:hidden}.history-item p{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.8rem;display:-webkit-box;overflow:hidden}.empty-msg{text-align:center;color:var(--text-secondary);padding:2rem;font-size:.9rem}.main-content{width:100%;max-width:900px;margin:0 auto;padding:2.5rem;overflow-y:auto}.main-header{margin-bottom:2rem}.main-header h1{color:#0f172a;margin-bottom:.5rem;font-size:2rem;font-weight:700}.main-header p{color:var(--text-secondary)}.card{background:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:1rem;padding:2rem}.input-group{margin-bottom:1.5rem}.input-group label{color:var(--text-primary);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}input[type=text],textarea,select{border:1px solid var(--border-color);border-radius:.5rem;width:100%;padding:.75rem;font-family:inherit;font-size:1rem;transition:border-color .2s}input:focus,textarea:focus,select:focus{border-color:var(--accent-primary);ring:2px solid #2563eb1a;outline:none}textarea{resize:vertical}.controls-grid{background:#f8fafc;border-radius:.75rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem;padding:1.5rem;display:grid}.control-item label{text-transform:uppercase;letter-spacing:.025em;color:var(--text-secondary);margin-bottom:.75rem;font-size:.75rem;font-weight:600;display:block}input[type=range]{cursor:pointer;background:#cbd5e1;border-radius:5px;width:100%;height:6px}.actions{justify-content:space-between;align-items:center;gap:1rem;display:flex}.primary-actions{gap:1rem;display:flex}button{cursor:pointer;border-radius:.5rem;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-size:.95rem;font-weight:600;transition:all .2s;display:flex}.btn-primary{background-color:var(--accent-primary);color:#fff;border:none}.btn-primary:hover{background-color:var(--accent-secondary);transform:translateY(-1px)}.btn-outline{border:1px solid var(--border-color);color:var(--text-primary);background-color:#0000}.btn-outline:hover{background-color:#f1f5f9;border-color:#94a3b8}.btn-secondary{color:#475569;background-color:#f1f5f9;border:none}.btn-secondary:hover{background-color:#e2e8f0}.main-footer{color:var(--text-secondary);text-align:center;margin-top:2rem;font-size:.85rem}.btn-delete{color:#ef4444;opacity:0;padding:.25rem;transition:opacity .2s;position:absolute;top:.5rem;right:.5rem}.history-item:hover .btn-delete{opacity:1}