:root{--bg-main:#f8fafc;--bg-surface:#fff;--bg-surface-hover:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--primary:#3b82f6;--primary-hover:#2563eb;--primary-foreground:#fff;--danger:#ef4444;--danger-foreground:#fff;--border:#e2e8f0;--ring:#3b82f6;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--glass-shadow:0 8px 32px 0 #1f268712}@media (prefers-color-scheme:dark){:root{--bg-main:#020617;--bg-surface:#0f172a;--bg-surface-hover:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#1e293b;--ring:#3b82f6;--glass-shadow:0 8px 32px 0 #0000005e}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.glass-panel{background:var(--bg-surface);border:1px solid var(--border);box-shadow:var(--glass-shadow);-webkit-backdrop-filter:blur(10px)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.input-base{border:1px solid var(--border);border-radius:var(--radius-md);background-color:var(--bg-surface);width:100%;color:var(--text-primary);padding:.5rem .75rem;font-family:inherit;font-size:.875rem;transition:all .2s}.input-base:focus{border-color:var(--ring);outline:none;box-shadow:0 0 0 3px #3b82f633}.input-base[aria-invalid=true]{border-color:var(--danger)}.input-base[aria-invalid=true]:focus{box-shadow:0 0 0 3px #ef444433}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.5rem 1rem;font-family:inherit;font-size:.875rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:var(--primary-foreground)}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline{border:1px solid var(--border);color:var(--text-primary);background-color:#0000}.btn-outline:hover{background-color:var(--bg-surface-hover)}.btn-ghost{color:var(--text-primary);background-color:#0000}.btn-ghost:hover{background-color:var(--bg-surface-hover)}.label-base{color:var(--text-primary);margin-bottom:.375rem;font-size:.875rem;font-weight:500;display:block}.error-msg{color:var(--danger);margin-top:.375rem;font-size:.75rem;display:block}.app-container{grid-template-rows:auto 1fr;width:100vw;height:100vh;display:grid;overflow:hidden}.header{background-color:var(--bg-surface);border-bottom:1px solid var(--border);z-index:10;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.header h1{align-items:center;gap:.5rem;font-size:1.25rem;font-weight:600;display:flex}.header-actions{gap:1rem;display:flex}.main-content{grid-template-columns:280px 1fr 320px;height:100%;display:grid;overflow:hidden}.preview-mode .main-content{grid-template-columns:1fr}.sidebar{background-color:var(--bg-surface);border-right:1px solid var(--border);flex-direction:column;gap:1rem;padding:1.5rem;display:flex;overflow-y:auto}.palette-group{flex-direction:column;gap:.5rem;display:flex}.palette-group-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted,#888);border-bottom:1px solid var(--border);margin:0 0 .25rem;padding-bottom:.25rem;font-size:.7rem;font-weight:700}.canvas-area{background-color:var(--bg-main);flex-direction:column;align-items:center;padding:2rem;display:flex;overflow-y:auto}.properties-panel{background-color:var(--bg-surface);border-left:1px solid var(--border);padding:1.5rem;overflow-y:auto}.fields-list{flex-wrap:wrap;width:100%;margin:-.4rem;display:flex}.field-wrapper .resize-handle .resize-grip{opacity:.3}.field-wrapper:hover .resize-handle .resize-grip,.field-wrapper .resize-handle:hover .resize-grip{opacity:1}.field-wrapper .resize-handle:hover{background:0 0}