:root{--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--bg-main: #F4F6F9;--bg-surface: rgba(255, 255, 255, .85);--bg-surface-hover: rgba(255, 255, 255, .95);--bg-card: #FFFFFF;--border-color: rgba(0, 0, 0, .08);--border-color-hover: rgba(0, 0, 0, .15);--text-primary: #1E293B;--text-secondary: #475569;--text-muted: #94A3B8;--color-accent: #4F46E5;--color-accent-hover: #4338CA;--color-success: #10B981;--color-danger: #EF4444;--color-warning: #F59E0B;--color-gold: #D97706;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .04);--shadow-glow: 0 0 15px rgba(79, 70, 229, .15);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);line-height:1.5;overflow-x:hidden;background-image:radial-gradient(circle at 10% 20%,rgba(79,70,229,.03) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(16,185,129,.02) 0%,transparent 40%);background-attachment:fixed}.glass-panel{background:var(--bg-surface);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-md);transition:all var(--transition-fast)}.glass-panel:hover{border-color:var(--border-color-hover);box-shadow:var(--shadow-lg)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:#0000001a;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#0003}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-sans);font-size:.875rem;font-weight:600;padding:.6rem 1.2rem;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;gap:.5rem;outline:none}.btn-primary{background-color:var(--color-accent);color:#fff;box-shadow:0 2px 4px #4f46e533}.btn-primary:hover:not(:disabled){background-color:var(--color-accent-hover);box-shadow:var(--shadow-glow)}.btn-secondary{background-color:#fff;border-color:var(--border-color);color:var(--text-secondary);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background-color:#f8fafc;border-color:var(--border-color-hover)}.btn-danger{background-color:#fef2f2;border:1px solid #FCA5A5;color:var(--color-danger)}.btn-danger:hover:not(:disabled){background-color:var(--color-danger);color:#fff;box-shadow:0 2px 8px #ef444433}.btn:disabled{opacity:.5;cursor:not-allowed}.input-control{background:#fff;border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-sm);padding:.55rem .8rem;font-size:.875rem;font-family:var(--font-sans);outline:none;transition:border-color var(--transition-fast);width:100%}.input-control:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #4f46e51a}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn var(--transition-normal) forwards}.animate-scale-in{animation:scaleIn var(--transition-normal) forwards}.group-stage-grid{display:grid;grid-template-columns:1fr;gap:24px}@media (min-width: 1024px){.group-stage-grid{grid-template-columns:4.5fr 5.5fr}}