:root{--primary: #4f46e5;--primary-hover: #4338ca;--bg-app: #f1f5f9;--card-bg: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border-light: #e2e8f0}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,system-ui,sans-serif}body{background-color:var(--bg-app);color:var(--text-main);line-height:1.4}.card-modern{background:var(--card-bg);border:1px solid var(--border-light);border-radius:.75rem;padding:1.25rem;box-shadow:0 1px 3px #0000001a}.btn-modern{background:var(--primary);color:#fff;border:none;padding:.5rem 1rem;border-radius:.5rem;font-weight:600;font-size:.875rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:.4rem}.btn-modern:hover{background:var(--primary-hover);transform:translateY(-1px)}.modern-input{width:100%;padding:.5rem .75rem;border-radius:.5rem;border:1px solid var(--border-light);background:#fdfdfd;font-size:.875rem}.modern-label{display:block;font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.025em;margin-bottom:.25rem}.tab-group{display:flex;background:#f1f5f9;padding:.2rem;border-radius:.5rem}.tab-btn{flex:1;padding:.4rem;border-radius:.4rem;font-size:.75rem;font-weight:600;cursor:pointer;border:none;background:transparent;color:var(--text-muted)}.tab-btn.active{background:#fff;color:var(--primary);box-shadow:0 1px 2px #0000001a}.bg-preview{width:100%;height:100px;border-radius:.5rem;background:#f8fafc;border:1px dashed var(--border-light);display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;position:relative}.bg-preview img{width:100%;height:100%;object-fit:contain}.dark-theme{background-color:#020617;color:#f8fafc}.display-container{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.roulette-window{height:400px;overflow:hidden;position:relative;width:100%;max-width:800px;-webkit-mask-image:linear-gradient(to bottom,transparent,black 20%,black 80%,transparent);mask-image:linear-gradient(to bottom,transparent,black 20%,black 80%,transparent)}.text-giant{font-size:clamp(3rem,10vw,8rem);font-weight:900;line-height:1;text-transform:uppercase;text-align:center}.text-sub{font-size:1.25rem;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:.5em;margin-top:1rem}