.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3.5rem 2rem;border:3px dashed var(--border);border-radius:var(--radius);background:var(--surface-1);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm);max-width:850px;margin:0 auto}.dropzone:hover,.dropzone.active{border-color:var(--accent);background:var(--surface-2);transform:translateY(-2px);box-shadow:var(--shadow-md)}.dropzone-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.5rem;pointer-events:none}.icon-wrapper{color:var(--accent);margin-bottom:.75rem;transition:var(--transition)}.icon{transition:var(--transition);color:var(--accent)}.dropzone:hover .icon,.dropzone.active .icon{color:var(--brand-orange);transform:scale(1.1)}.cta-text{font-weight:800;font-size:1.3rem;color:var(--text);margin-bottom:.5rem}.file-support{font-size:.95rem;color:var(--text-muted);font-family:var(--font-mono)}.visually-hidden{display:none}.status-area{max-width:850px;margin:0 auto}.state-box{background:var(--surface-1);padding:3rem 2.5rem;border-radius:var(--radius);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:1.5rem;box-shadow:var(--shadow-md);text-align:center;width:100%;box-sizing:border-box;margin-top:1rem}.state-box h3{color:var(--text);font-size:1.8rem;font-weight:800;margin:0}.file-icon-large{color:var(--accent);margin-bottom:-.5rem}.success-icon-bg{background:var(--success);width:70px;height:70px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--glow-purple);margin-bottom:.5rem}.error-state{border-color:color-mix(in srgb,var(--error) 30%,var(--border))}.error-icon{font-size:3rem;color:var(--error);margin-bottom:-.5rem}#error-msg{color:var(--text-muted);line-height:1.6;font-size:1rem;margin:0;max-width:500px}.metadata-dashboard{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;width:100%}.meta-item{display:flex;align-items:center;gap:.6rem;background:var(--surface-2);padding:.6rem 1.2rem;border-radius:12px;border:1px solid var(--border)}.meta-icon{width:18px;height:18px;color:var(--accent);flex-shrink:0}.meta-text{font-family:var(--font-mono);font-size:.9rem;font-weight:800;color:var(--text)}.text-truncate{max-width:250px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.format-badge{background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent);font-weight:800;padding:.3rem .8rem;border-radius:8px;font-size:.85rem;letter-spacing:.5px}.png-badge{background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent)}.jpg-badge{background:color-mix(in srgb,var(--brand-orange) 15%,transparent);color:var(--brand-orange)}.success-badge{border-color:var(--success)}.config-wrapper{width:100%;max-width:500px;display:flex;flex-direction:column;gap:.6rem;text-align:left;margin-top:.5rem}.config-wrapper label{font-weight:700;color:var(--text);font-size:.95rem;margin-left:.2rem}.custom-select{position:relative;user-select:none;width:100%}.custom-select-trigger{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:var(--surface-1);border:2px solid var(--border);border-radius:12px;cursor:pointer;transition:var(--transition)}.custom-select-trigger:hover{border-color:var(--accent)}.custom-select.open .custom-select-trigger{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.custom-select-value{font-size:.95rem;font-weight:600;color:var(--text);pointer-events:none}.custom-select-icon{color:var(--text-muted);transition:transform .3s ease;pointer-events:none}.custom-select.open .custom-select-icon{transform:rotate(180deg)}.custom-select-options{position:absolute;top:calc(100% + 8px);left:0;right:0;background:var(--surface-1);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);transition:all .2s cubic-bezier(.16,1,.3,1);z-index:100;overflow:hidden}.custom-select.open .custom-select-options{opacity:1;visibility:visible;pointer-events:all;transform:translateY(0)}.custom-option{padding:.9rem 1.25rem;font-size:.95rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:background .2s;border-bottom:1px solid var(--border)}.custom-option:last-child{border-bottom:none}.custom-option:hover{background:var(--surface-2);color:var(--accent)}.custom-option.selected{background:color-mix(in srgb,var(--accent) 8%,transparent);color:var(--accent);font-weight:700}.main-preview-thumb{width:100%;max-width:500px;border-radius:16px;overflow:hidden;border:1px solid var(--border);background:var(--surface-2);box-shadow:var(--shadow-sm)}.main-preview-thumb img{width:100%;height:auto;max-height:350px;object-fit:contain;display:block;background-image:linear-gradient(45deg,var(--surface-3) 25%,transparent 25%),linear-gradient(-45deg,var(--surface-3) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--surface-3) 75%),linear-gradient(-45deg,transparent 75%,var(--surface-3) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}.result-thumb-wrapper{width:100%;max-width:500px}.result-thumb-checkerboard{border-radius:16px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);background-image:linear-gradient(45deg,#e0e0e0 25%,transparent 25%),linear-gradient(-45deg,#e0e0e0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e0e0e0 75%),linear-gradient(-45deg,transparent 75%,#e0e0e0 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;background-color:#f5f5f5}html[data-theme=dark] .result-thumb-checkerboard{background-image:linear-gradient(45deg,#2a2a2a 25%,transparent 25%),linear-gradient(-45deg,#2a2a2a 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#2a2a2a 75%),linear-gradient(-45deg,transparent 75%,#2a2a2a 75%);background-color:#1a1a1a}.result-thumb-checkerboard img{width:100%;height:auto;max-height:350px;object-fit:contain;display:block}.badges-row{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;align-items:center}.saved-info-badge{font-size:.85rem;padding:.4rem 1rem;border-radius:50px;font-weight:700;display:inline-flex;align-items:center;gap:.4rem}.saved-info-badge.saved{color:var(--success);background:color-mix(in srgb,var(--success) 10%,transparent);border:1px solid color-mix(in srgb,var(--success) 25%,transparent)}.saved-info-badge.larger{color:var(--brand-orange);background:color-mix(in srgb,var(--brand-orange) 10%,transparent);border:1px solid color-mix(in srgb,var(--brand-orange) 25%,transparent)}.transparency-lost-badge{font-size:.85rem;padding:.4rem 1rem;border-radius:50px;font-weight:700;display:inline-flex;align-items:center;gap:.4rem;color:var(--brand-orange);background:color-mix(in srgb,var(--brand-orange) 10%,transparent);border:1px solid color-mix(in srgb,var(--brand-orange) 25%,transparent)}.action-buttons-row{display:flex;gap:1rem;width:100%;max-width:500px;margin-top:1.5rem;flex-wrap:wrap}.action-buttons-row button,.action-buttons-row a{flex:1;min-width:180px}#convert-btn{background:var(--brand-orange);color:#fff;padding:1.2rem;border-radius:50px;font-weight:800;border:none;cursor:pointer;transition:var(--transition);font-size:1.1rem;text-decoration:none;display:flex;align-items:center;justify-content:center;box-shadow:var(--glow-orange);text-align:center}#convert-btn:hover{background:var(--brand-orange-soft);transform:translateY(-3px)}#cancel-preview-btn{background:var(--bg);border:2px solid var(--accent);color:var(--accent);padding:1rem;border-radius:50px;font-weight:700;font-size:1.1rem;cursor:pointer;transition:var(--transition);width:100%;text-align:center;display:block}#cancel-preview-btn:hover{background:var(--error);border:2px solid var(--error);color:#fff;box-shadow:var(--glow-purple);transform:translateY(-3px)}#download-link{background:var(--brand-orange);color:#fff;padding:1.2rem;border-radius:50px;font-weight:800;border:none;cursor:pointer;transition:var(--transition);font-size:1.1rem;text-decoration:none;display:flex;align-items:center;justify-content:center;box-shadow:var(--glow-orange);text-align:center}#download-link:hover{background:var(--brand-orange-soft);transform:translateY(-3px);color:#fff}#reset-btn{background:var(--bg);border:2px solid var(--accent);color:var(--accent);padding:1rem;border-radius:50px;font-weight:700;font-size:1.1rem;cursor:pointer;transition:var(--transition);width:100%;text-align:center;display:block}#reset-btn:hover{background:var(--accent);color:#fff;box-shadow:var(--glow-purple);transform:translateY(-3px)}#try-again-btn{background:var(--bg);border:2px solid var(--accent);color:var(--accent);padding:1rem;border-radius:50px;font-weight:700;cursor:pointer;transition:var(--transition);width:100%;text-align:center;display:block;margin:1rem auto 0;max-width:300px}#try-again-btn:hover{background:var(--accent);color:#fff;box-shadow:var(--glow-purple);transform:translateY(-3px)}.spinner{width:60px;height:60px;border:5px solid var(--surface-3);border-top:5px solid var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.progress-wrapper{width:100%;max-width:500px;background:var(--surface-3);border-radius:50px;height:14px;overflow:hidden}.progress-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),var(--brand-orange));border-radius:50px;transition:width .4s cubic-bezier(.16,1,.3,1)}.ad-placeholder{text-align:center;padding:1.5rem;margin:1.5rem auto;max-width:728px;background:var(--surface-2);border:2px dashed var(--border);border-radius:12px;color:var(--text-muted);font-size:.85rem;font-weight:600}.section-divider{border:0;border-top:1px solid var(--border);margin:2.5rem auto;max-width:950px}.section-title-icon{text-align:center;font-size:2.2rem;color:var(--text);margin-bottom:1rem;font-weight:800;display:flex;align-items:center;justify-content:center;gap:.5rem;letter-spacing:-.03em}.section-subtitle{text-align:center;color:var(--text-muted);margin-bottom:3.5rem;font-size:1.2rem;line-height:1.6}.how-to-section,.seo-content-section{max-width:950px;margin:0 auto;padding:1rem 0}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2.5rem;text-align:center}.step-card{display:flex;flex-direction:column;align-items:center}.step-number{width:65px;height:65px;background:var(--brand-orange);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:900;margin-bottom:1.5rem;box-shadow:var(--glow-orange)}.step-card h3{color:var(--text);font-size:1.5rem;font-weight:800;margin-bottom:1rem;margin-top:0}.step-card p{color:var(--text-muted);line-height:1.7;font-size:1rem;margin:0}.formats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;margin-bottom:3rem}.format-panel{background:var(--surface-1);padding:2.5rem;border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow-sm)}.format-header{display:flex;align-items:center;gap:1.25rem;margin-bottom:1.5rem}.format-panel h3{color:var(--text);font-size:1.4rem;font-weight:800;margin:0}.format-panel p{color:var(--text-muted);font-size:1rem;line-height:1.7;margin:0}.conversion-details-panel{background:var(--surface-1);padding:2.5rem;border-radius:20px;border-left:5px solid var(--accent);border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.conversion-details-panel h3{color:var(--text);font-size:1.6rem;font-weight:800;margin-bottom:1.5rem;margin-top:0}.conversion-details-panel p{color:var(--text-muted);font-size:1rem;line-height:1.7}.conversion-details-panel code{background:var(--surface-2);padding:.15rem .5rem;border-radius:4px;font-family:var(--font-mono);font-size:.9rem}.details-list{list-style:none;padding-left:1.5rem;color:var(--text-muted);gap:.75rem}.details-list li{margin-bottom:.5rem;font-size:1.05rem;line-height:1.7;position:relative}.details-list li:before{content:"✓";color:var(--brand-orange);position:absolute;left:-1.5rem;font-weight:900;font-size:1.2rem}.details-list strong{color:var(--text);font-weight:700}@media(max-width:640px){.dropzone{padding:2.5rem 1.5rem}.state-box{padding:2rem 1.5rem;gap:1rem}.state-box h3{font-size:1.4rem}.action-buttons-row{flex-direction:column;max-width:300px}.metadata-dashboard{gap:.5rem}.meta-item{padding:.5rem .8rem;font-size:.8rem}.main-preview-thumb,.result-thumb-wrapper{max-width:100%}.main-preview-thumb img,.result-thumb-checkerboard img{max-height:250px}}