:root{--blue: #002B7F;--blue-dark: #001d57;--blue-light: #003fa3;--yellow: #F9E814;--yellow-dark: #d4c410;--white: #ffffff;--gray-light: #f0f4ff;--gray: #6b7280;--red: #ef4444;--green: #22c55e}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--gray-light);color:#1a1a2e;min-height:100vh;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:480px;margin:0 auto;padding:0 16px;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border:none;border-radius:12px;font-size:16px;font-weight:700;cursor:pointer;transition:all .2s ease;text-decoration:none;width:100%}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--yellow);color:var(--blue-dark)}.btn-primary:hover:not(:disabled){background:var(--yellow-dark)}.btn-secondary{background:var(--blue);color:var(--white)}.btn-secondary:hover:not(:disabled){background:var(--blue-light)}.btn-outline{background:transparent;color:var(--blue);border:2px solid var(--blue)}.btn-sm{padding:8px 16px;font-size:14px;border-radius:8px}.btn-danger{background:var(--red);color:#fff}.card{background:var(--white);border-radius:16px;padding:20px;box-shadow:0 2px 12px #002b7f14}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--blue-dark);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;padding:14px 16px;border:2px solid #e2e8f0;border-radius:10px;font-size:16px;color:#1a1a2e;background:var(--white);transition:border-color .2s;outline:none;-webkit-appearance:none}.form-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #002b7f1a}.form-input.error{border-color:var(--red)}.error-msg{color:var(--red);font-size:13px;margin-top:4px}.score-inputs{display:flex;align-items:center;gap:12px}.score-input{width:64px;text-align:center;padding:12px 8px;font-size:22px;font-weight:700;border:2px solid #e2e8f0;border-radius:10px;outline:none;-webkit-appearance:none;-moz-appearance:textfield}.score-input::-webkit-outer-spin-button,.score-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.score-input:focus{border-color:var(--blue)}.score-dash{font-size:22px;font-weight:700;color:var(--gray)}.leaderboard-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #f0f4ff}.leaderboard-row:last-child{border-bottom:none}.rank-badge{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;line-height:32px;flex-shrink:0;overflow:visible}.rank-1,.rank-2,.rank-3{background:transparent}.rank-other{background:var(--gray-light);color:var(--gray)}.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0;background:var(--blue);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;font-size:16px;overflow:hidden}.tab-nav{display:flex;background:var(--white);border-radius:12px;padding:4px;gap:4px;margin-bottom:20px;box-shadow:0 2px 8px #002b7f0f}.tab-btn{flex:1;padding:10px 8px;border:none;border-radius:8px;background:transparent;font-size:14px;font-weight:600;color:var(--gray);cursor:pointer;transition:all .2s}.tab-btn.active{background:var(--blue);color:var(--white)}.locked-badge{display:inline-flex;align-items:center;gap:4px;background:#fee2e2;color:#991b1b;font-size:12px;font-weight:600;padding:3px 8px;border-radius:99px}.open-badge{display:inline-flex;align-items:center;gap:4px;background:#dcfce7;color:#166534;font-size:12px;font-weight:600;padding:3px 8px;border-radius:99px}.page-header{background:linear-gradient(135deg,var(--blue-dark) 0%,var(--blue) 100%);color:var(--white);padding:20px 16px 28px;position:relative;overflow:hidden}.page-header h1{font-size:22px;font-weight:800;position:relative;z-index:1}.page-header p{font-size:14px;opacity:.8;margin-top:4px;position:relative;z-index:1}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--white);border-top:1px solid #e2e8f0;display:flex;z-index:100;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 4px 8px;font-size:11px;font-weight:600;color:var(--gray);cursor:pointer;border:none;background:none;text-decoration:none;transition:color .2s;gap:3px}.bottom-nav-item.active{color:var(--blue)}.bottom-nav-item svg{width:22px;height:22px}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease forwards}.points-pill{background:var(--yellow);color:var(--blue-dark);font-weight:700;font-size:13px;padding:3px 10px;border-radius:99px;margin-left:auto}.safe-bottom{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.toast{position:fixed;bottom:calc(80px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);background:#1a1a2e;color:#fff;padding:12px 20px;border-radius:99px;font-size:14px;font-weight:600;z-index:200;white-space:nowrap;animation:fadeIn .3s ease}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}select.form-input{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23002B7F' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}