:root{--bg-color:#0e1117;--card-bg:#161b27;--border-color:#2e3a4e;--text-primary:#fff;--text-secondary:#9ca3af;--accent-blue:#4f8ef7;--accent-purple:#7c3aed;--success-bg:#052e16;--success-text:#4ade80;--success-border:#166534}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.app-container{max-width:1400px;margin:0 auto;padding:12px 20px}.header{text-align:center;margin-bottom:16px}.logo-container{justify-content:center;align-items:center;gap:12px;margin-bottom:8px;display:flex}.logo-emoji{font-size:2.5rem}h1{letter-spacing:-.5px;font-size:2.5rem;font-weight:700}.subtitle{color:var(--text-secondary);font-size:1rem}.upload-section{grid-template-columns:1fr 1fr;gap:24px;margin-bottom:16px;display:grid}.upload-box{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:24px;transition:transform .2s,box-shadow .2s}.upload-box:hover{border-color:#3b4b66;transform:translateY(-2px);box-shadow:0 8px 24px #0003}.box-header{align-items:center;gap:12px;margin-bottom:4px;display:flex}.step-number{background:var(--border-color);color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:flex}.box-header h2{font-size:1.1rem;font-weight:600}.box-desc{color:var(--text-secondary);margin-bottom:16px;font-size:.9rem}.image-container{aspect-ratio:1;border:2px dashed var(--border-color);cursor:pointer;background:#0003;border-radius:12px;justify-content:center;align-items:center;width:100%;transition:all .2s;display:flex;overflow:hidden}.image-container:hover{border-color:var(--accent-blue);background:#4f8ef70d}.empty-state{color:var(--text-secondary);flex-direction:column;align-items:center;gap:12px;display:flex}.preview-image{object-fit:cover;width:100%;height:100%}.action-section{margin-bottom:40px}.swap-button{background:linear-gradient(135deg, var(--accent-blue), var(--accent-purple));color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;padding:16px;font-size:1.1rem;font-weight:600;transition:opacity .2s,transform .1s}.swap-button:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.swap-button.disabled{background:var(--card-bg);color:var(--text-secondary);border:1px solid var(--border-color);cursor:not-allowed}.button-content{justify-content:center;align-items:center;gap:8px;display:flex}.error-message{color:#ef4444;background:#ef44441a;border:1px solid #ef444433;border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:.95rem}.spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:1s ease-in-out infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.result-section{background:var(--card-bg);border:1px solid var(--border-color);text-align:center;border-radius:16px;padding:20px}.fade-in{animation:.5s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.success-badge{background:var(--success-bg);color:var(--success-text);border:1px solid var(--success-border);border-radius:20px;margin-bottom:24px;padding:6px 16px;font-size:.9rem;font-weight:600;display:inline-block}.metrics-row{justify-content:center;gap:16px;margin-bottom:16px;display:flex}.metric-card{border:1px solid var(--border-color);color:var(--text-secondary);background:#0003;border-radius:12px;align-items:center;gap:12px;padding:12px 20px;display:flex}.metric-info{flex-direction:column;align-items:flex-start;display:flex}.metric-label{text-transform:uppercase;letter-spacing:.5px;font-size:.75rem}.metric-value{color:var(--text-primary);font-size:1rem;font-weight:600}.comparison-grid{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;display:grid}.comparison-item{flex-direction:column;align-items:center;gap:12px;display:flex}.comparison-item h3{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-size:.9rem}.comparison-item img{aspect-ratio:3/4;object-fit:cover;border:1px solid var(--border-color);border-radius:12px;width:100%;display:block}.result-highlight img{border:2px solid var(--accent-purple);box-shadow:0 0 20px #7c3aed33}.download-button{color:var(--text-primary);border:1px solid var(--border-color);background:0 0;border-radius:12px;align-items:center;gap:8px;padding:12px 24px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.download-button:hover{border-color:var(--text-secondary);background:#ffffff0d}@media (width<=600px){.upload-section,.comparison-grid,.metrics-row{flex-direction:column;grid-template-columns:1fr}}.extraction-overlay{color:#fff;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:10;background:#0009;flex-direction:column;justify-content:center;align-items:center;gap:8px;font-size:.8rem;display:flex;position:absolute;inset:0}.spinner-small{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.embedding-badge{color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:11;background:#4f8ef7e6;border:1px solid #fff3;border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-size:.7rem;font-weight:600;animation:.3s ease-out slideInDown;display:flex;position:absolute;top:12px;right:12px;box-shadow:0 4px 12px #00000080}@keyframes slideInDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.image-container.loading{cursor:wait}.user-selection-card{background:var(--card-bg);border:1px solid var(--border-color);text-align:center;border-radius:16px;margin-bottom:32px;padding:40px}.user-selection-card p{color:var(--text-secondary);margin-top:8px}.selection-buttons{grid-template-columns:1fr 1fr;gap:20px;display:grid}.type-btn{border:2px solid var(--border-color);color:var(--text-primary);cursor:pointer;background:#0003;border-radius:16px;flex-direction:column;align-items:center;gap:12px;padding:32px 20px;transition:all .2s;display:flex}.type-btn:hover{border-color:var(--accent-blue);background:#4f8ef70d;transform:translateY(-2px)}.type-btn h3{margin:0;font-size:1.2rem}.type-btn span{color:var(--text-secondary);font-size:.9rem}.name-input{border:1px solid var(--border-color);color:#fff;background:#0003;border-radius:12px;width:100%;padding:16px;font-size:1rem;transition:border-color .2s}.name-input:focus{border-color:var(--accent-blue);outline:none}.name-input:disabled{opacity:.5;cursor:not-allowed}.save-btn{background:var(--border-color);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;padding:16px;font-size:1.05rem;font-weight:600;transition:all .2s}.save-btn:hover:not(:disabled){background:#3b4b66;transform:translateY(-1px)}.save-btn:disabled{opacity:.5;cursor:not-allowed}.reset-btn{color:var(--text-secondary);border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:20px;padding:8px 16px;font-size:.85rem;transition:all .2s}.reset-btn:hover{color:#fff;border-color:var(--text-primary)}.success-banner{color:var(--success-text);background:#4ade801a;border:1px solid #4ade8033;border-radius:12px;justify-content:center;align-items:center;gap:12px;padding:16px;display:flex}.registration-container{max-width:500px;margin:0 auto}.mt-4{margin-top:24px}.progress-bar-bg{background:var(--border-color);border-radius:4px;width:100%;height:8px;margin-top:12px;overflow:hidden}.progress-bar-fill{background:var(--accent-blue);height:100%;transition:width .3s}.size-indicator{color:var(--accent-blue);text-align:right;margin-top:8px;font-size:.85rem;font-weight:500}.template-upload-btn{width:100%;color:var(--accent-blue);border:2px dashed var(--accent-blue);cursor:pointer;background:#4f8ef71a;border-radius:12px;padding:14px;font-size:.95rem;font-weight:600;transition:all .2s}.template-upload-btn:hover:not(:disabled){background:#4f8ef733;transform:translateY(-1px)}.template-upload-btn:disabled{opacity:.5;cursor:not-allowed}.template-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.template-card{border:2px solid var(--border-color);background:#0003;border-radius:12px;transition:all .2s;position:relative;overflow:hidden}.template-card:hover{border-color:var(--text-secondary);transform:translateY(-2px)}.template-card.matched{border-color:var(--success-text);box-shadow:0 0 16px #4ade8033}.template-card img{aspect-ratio:3/4;object-fit:cover;width:100%;display:block}.template-remove{color:#fff;cursor:pointer;opacity:0;z-index:2;background:#000000b3;border:none;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;transition:opacity .2s;display:flex;position:absolute;top:6px;right:6px}.template-card:hover .template-remove{opacity:1}.template-info{flex-direction:column;gap:2px;padding:8px 10px;display:flex}.template-name{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.template-tone{color:var(--accent-blue);align-items:center;gap:4px;font-size:.7rem;display:flex}.match-badge{color:#052e16;z-index:2;background:#4ade80e6;border-radius:10px;align-items:center;gap:4px;padding:3px 8px;font-size:.65rem;font-weight:700;display:flex;position:absolute;top:6px;left:6px}.user-tone-indicator{color:var(--text-secondary);background:#4f8ef70d;border:1px solid #4f8ef726;border-radius:8px;align-items:center;gap:8px;padding:10px 14px;font-size:.85rem;display:flex}.swap-info{color:var(--text-secondary);background:#00000026;border-radius:8px;padding:12px;font-size:.9rem}.swap-info p{margin:2px 0}.comparison-grid.three-col{grid-template-columns:1fr 1fr 1fr}.template-highlight img{border:2px solid var(--success-text);box-shadow:0 0 16px #4ade8026}.match-label{color:var(--success-text);margin-top:4px;font-size:.75rem;display:inline-block}.comparison-placeholder{aspect-ratio:3/4;border:2px dashed var(--border-color);width:100%;color:var(--text-secondary);background:#0003;border-radius:12px;justify-content:center;align-items:center;font-size:.9rem;font-style:italic;display:flex}@media (width<=600px){.template-grid{grid-template-columns:repeat(2,1fr)}.comparison-grid.three-col{grid-template-columns:1fr}}