*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#1a1a2e;color:#fff;min-height:100vh;line-height:1.6}.app{min-height:100vh}.header{background:#b91c1c;padding:50px 0;display:flex;align-items:center;justify-content:center;gap:20px;box-shadow:0 2px 10px #b91c1c4d}.logo{display:flex;align-items:center}.logo-icon{font-size:2.5rem;color:#fff}.logo-square{width:50px;height:50px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 2px 8px #0003}.building-icon{font-size:1.5rem;color:#333}.cross-icon{position:absolute;top:-8px;right:-8px;background:#e74c3c;color:#fff;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.brand h1{font-size:3.75rem;font-weight:700;color:#fff;margin:0}.brand p{font-size:1rem;color:#ffffffe6;margin:0;font-weight:300}.container{max-width:1200px;margin:0 auto;padding:40px 20px}.main-content{display:flex;flex-direction:column;gap:30px}.upload-section{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:40px;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:100%;margin:0 auto}.upload-section h2{color:#fff;margin-bottom:20px;font-size:1.8rem;font-weight:600}.upload-section p{color:#a8b2d1;font-size:1rem;margin-bottom:30px;width:100%;line-height:1.6}.file-upload-area{display:flex;flex-direction:column;align-items:center;gap:20px}.upload-zone{width:100%;height:250px;border:2px dashed rgba(255,255,255,.3);border-radius:15px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;background:#ffffff0d;margin:0 auto}.upload-zone:hover{border-color:#ffc10799;background:#ffc1071a}.upload-icon{font-size:3rem;margin-bottom:15px;color:#ffc107}.upload-text{font-size:1.2rem;color:#fff;margin-bottom:5px;font-weight:500}.upload-subtext{font-size:.9rem;color:#a8b2d1}.file-info{display:flex;align-items:center;gap:15px;background:#4caf501a;padding:12px 20px;border-radius:25px;border:1px solid rgba(76,175,80,.3);color:#4caf50}.remove-btn{background:#e74c3c;color:#fff;border:none;width:24px;height:24px;border-radius:50%;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.remove-btn:hover{background:#c0392b;transform:scale(1.1)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.section-header h3{color:#fff;font-size:1.2rem;margin:0;display:flex;align-items:center;gap:10px}.toggle-btn{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);padding:10px 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p{margin:0;color:#fff;font-weight:500}.audio-formats{font-size:.8rem!important;color:#a8b2d1!important;margin-top:5px!important}.advanced-section{max-width:1200px;margin:20px auto 0}.advanced-options{background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:25px;margin-top:20px;display:flex;flex-direction:column;gap:30px}.option-group h3{color:#fff;font-size:1.1rem;margin-bottom:20px;display:flex;align-items:center;gap:10px}.card-options{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:600px;margin:0 auto}.card-options .card-option:nth-child(3){grid-column:1 / -1;justify-self:center;max-width:300px}.card-option{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px;cursor:pointer;transition:all .3s ease;position:relative;display:flex;align-items:center;gap:15px;min-height:100px}.card-option:hover{background:#ffffff1a;border-color:#fff3}.card-option.selected{border:2px solid #e74c3c;background:#e74c3c1a}.card-icon{font-size:2.5rem;color:#ffc107;flex-shrink:0}.card-content{flex:1}.card-content h4{color:#fff;font-size:1.1rem;margin-bottom:8px;font-weight:600}.card-content p{color:#a8b2d1;font-size:.9rem;margin:0;line-height:1.4}.checkmark{position:absolute;top:15px;right:15px;background:#e74c3c;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}.quality-settings{background:#ffffff0d;border:2px dashed rgba(255,255,255,.2);border-radius:12px;padding:40px;text-align:center;max-width:600px;margin:0 auto}.quality-settings p{color:#a8b2d1;font-style:italic;margin:0;font-size:1rem}.card-levels{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:600px;margin:0 auto}.card-level-option{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px;cursor:pointer;transition:all .3s 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rgba(76,175,80,.3);border-radius:15px;padding:30px;text-align:center;margin:20px 0}.download-section h3{color:#4caf50;font-size:1.5rem;margin-bottom:25px;font-weight:600}.download-stats{display:flex;justify-content:center;gap:40px;margin-bottom:30px;flex-wrap:wrap}.stat-item{display:flex;flex-direction:column;align-items:center;gap:8px}.stat-number{font-size:2rem;font-weight:700;color:#4caf50;line-height:1}.stat-label{font-size:.9rem;color:#a8b2d1;text-align:center}.download-buttons{display:flex;flex-direction:column;gap:15px;align-items:center}.download-btn{display:inline-flex;align-items:center;gap:10px;background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);padding:15px 30px;border-radius:25px;text-decoration:none;font-weight:600;font-size:1rem;transition:all .3s 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h2{font-size:1.5rem}.card-options,.card-levels{grid-template-columns:1fr;max-width:100%}.features-grid{grid-template-columns:repeat(2,1fr)}.generate-btn{padding:15px 30px;font-size:1.1rem}.slide-header{flex-direction:column;align-items:flex-start;gap:10px}.footer-info{flex-direction:column;align-items:center;gap:15px}.download-stats{gap:20px}.download-buttons{gap:12px}.download-btn{min-width:250px;padding:12px 24px;font-size:.9rem}}@media (max-width: 480px){.header{padding:15px 0}.brand h1{font-size:1.8rem}.brand p{font-size:.9rem}.upload-section{padding:20px}.upload-section h2{font-size:1.3rem}.upload-zone{height:150px}.upload-icon{font-size:2rem}.upload-text{font-size:1rem}.generate-btn{padding:12px 24px;font-size:1rem}.slide-card{padding:15px}.feature-card{padding:20px}.card-option,.card-level-option{padding:15px;min-height:80px}.card-icon,.card-level-icon{font-size:2rem}.features-grid{grid-template-columns:1fr}}.depth-options{margin-top:15px}.depth-description{margin-bottom:15px;color:#b0b0b0;font-size:.9rem}.depth-radio-group{display:flex;flex-direction:column;gap:12px}.depth-option{display:flex;align-items:flex-start;cursor:pointer;padding:0;margin:0}.depth-option input[type=radio]{margin:2px 12px 0 0;width:16px;height:16px;accent-color:#b91c1c}.depth-card{flex:1;background:#2a2a3e;border:2px solid #3a3a4e;border-radius:8px;padding:15px;transition:all .2s ease}.depth-option:hover .depth-card{border-color:#b91c1c;background:#2a2a4e}.depth-option input[type=radio]:checked+.depth-card{border-color:#b91c1c;background:#2a1a2e;box-shadow:0 0 0 1px #b91c1c}.depth-title{font-weight:600;font-size:1.1rem;color:#fff;margin-bottom:8px}.depth-details{font-size:.9rem;color:#b0b0b0;line-height:1.4}.budget-override{margin-top:20px;padding-top:15px;border-top:1px solid #3a3a4e}.budget-checkbox{display:flex;align-items:center;gap:8px;margin-bottom:10px;cursor:pointer}.budget-checkbox input[type=checkbox]{width:16px;height:16px;accent-color:#b91c1c}.budget-input{display:flex;flex-direction:column;gap:5px}.budget-input input[type=number]{background:#2a2a3e;border:1px solid #3a3a4e;border-radius:4px;padding:8px 12px;color:#fff;font-size:.9rem;width:200px}.budget-input input[type=number]:focus{outline:none;border-color:#b91c1c;box-shadow:0 0 0 1px #b91c1c}.budget-help{font-size:.8rem;color:#888}