:root{--bg-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--primary-color: #4cc9f0;--accent-color: #f72585;--text-main: #ffffff;--text-muted: #a0a0a0;--font-family: "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-gradient);color:var(--text-main);min-height:100vh;display:flex;justify-content:center;align-items:center;overflow-x:hidden}.app-container{width:100%;padding:20px;display:flex;justify-content:center}.glass-card{background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:24px;padding:40px;width:100%;max-width:480px;box-shadow:0 8px 32px #0000005e;animation:fadeIn .8s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}header{text-align:center;margin-bottom:24px}h1{font-size:2rem;font-weight:700;margin-bottom:8px;background:linear-gradient(to right,var(--primary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{color:var(--text-muted);font-size:.9rem;letter-spacing:1px;text-transform:uppercase}.tabs{display:flex;gap:10px;margin-bottom:24px;background:#0003;padding:4px;border-radius:12px}.tab-btn{flex:1;padding:10px;background:transparent;border:none;color:var(--text-muted);font-family:var(--font-family);font-weight:600;cursor:pointer;border-radius:8px;transition:all .3s ease}.tab-btn.active{background:var(--glass-bg);color:var(--primary-color);box-shadow:0 2px 8px #0003}.tab-content{animation:fadeIn .4s ease-out}.hidden{display:none}.input-group{margin-bottom:20px}label{display:block;margin-bottom:8px;font-size:.9rem;color:var(--text-muted)}input[type=number],.custom-select{width:100%;padding:12px 16px;background:#0003;border:1px solid var(--glass-border);border-radius:12px;color:var(--text-main);font-size:1rem;font-family:var(--font-family);transition:all .3s ease}.custom-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;cursor:pointer;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 1rem center;background-size:1em}input[type=number]:focus,.custom-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #4cc9f033}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.custom-checkbox{display:flex;align-items:center;cursor:pointer;padding:12px;background:#ffffff08;border-radius:12px;transition:background .3s}.custom-checkbox:hover{background:#ffffff0f}.custom-checkbox input{display:none}.checkbox-box{width:20px;height:20px;border:2px solid var(--text-muted);border-radius:6px;margin-right:12px;position:relative;transition:all .3s}.custom-checkbox input:checked+.checkbox-box{background:var(--primary-color);border-color:var(--primary-color)}.custom-checkbox input:checked+.checkbox-box:after{content:"✓";position:absolute;color:#000;font-size:14px;top:50%;left:50%;transform:translate(-50%,-50%);font-weight:700}.label-text{font-size:.9rem}.slider-group{margin-bottom:32px}.slider-header{display:flex;justify-content:space-between;margin-bottom:12px}#rate-display,#vinyl-display,#letters-display,#fcl-rate-display{color:var(--primary-color);font-weight:600}input[type=range]{width:100%;-webkit-appearance:none;height:6px;background:#ffffff1a;border-radius:3px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:var(--primary-color);border-radius:50%;cursor:pointer;transition:transform .2s}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.slider-labels{display:flex;justify-content:space-between;margin-top:8px;color:var(--text-muted);font-size:.8rem;padding:0 2px}.radio-group{display:flex;gap:16px;margin-top:8px}.radio-label{display:flex;align-items:center;cursor:pointer;color:var(--text-muted);font-size:.9rem}.radio-label input{display:none}.radio-custom{width:16px;height:16px;border:2px solid var(--text-muted);border-radius:50%;margin-right:8px;position:relative;transition:all .3s}.radio-label input:checked+.radio-custom{border-color:var(--primary-color)}.radio-label input:checked+.radio-custom:after{content:"";position:absolute;width:8px;height:8px;background:var(--primary-color);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}.result-section{background:#0000004d;border-radius:16px;padding:24px;border:1px solid var(--glass-border)}.result-row{display:flex;justify-content:space-between;margin-bottom:12px;color:var(--text-muted);font-size:.9rem}.total-price{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:16px;border-top:1px solid var(--glass-border);font-size:1.2rem;font-weight:600}#total-price,#fcl-total-price{font-size:2rem;color:var(--accent-color);text-shadow:0 0 20px rgba(247,37,133,.3)}