:root{--bg: #0f1419;--surface: #1a222d;--surface-raised: #243040;--border: #2e3d52;--text: #e8edf4;--text-muted: #8b9cb3;--accent: #3d9cf5;--accent-hover: #5aadff;--accent-muted: rgba(61, 156, 245, .15);--success: #34c759;--error: #ff5c5c;--radius: 14px;--radius-sm: 10px;--shadow: 0 8px 32px rgba(0, 0, 0, .35);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-height:100dvh;font-family:DM Sans,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}#app{min-height:100dvh;display:flex;flex-direction:column}.app-shell{flex:1;display:flex;flex-direction:column;max-width:520px;margin:0 auto;width:100%;padding:calc(16px + var(--safe-top)) 16px calc(24px + var(--safe-bottom))}header{text-align:center;margin-bottom:24px}header h1{margin:0 0 6px;font-size:1.5rem;font-weight:700;letter-spacing:-.02em}header p{margin:0;font-size:.9rem;color:var(--text-muted)}.ad-container{position:relative;min-height:90px;margin-bottom:16px;padding:8px;border-radius:var(--radius-sm);background:var(--surface);border:1px dashed var(--border);overflow:hidden;text-align:center}.ad-container--hidden{display:none}.ad-label{position:absolute;top:4px;left:8px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);pointer-events:none;z-index:1}.ad-container ins.adsbygoogle{display:block;min-height:72px}.privacy-badge{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:6px 12px;font-size:.75rem;font-weight:500;color:var(--success);background:#34c7591f;border-radius:999px}.privacy-badge svg{width:14px;height:14px;flex-shrink:0}main{flex:1;display:flex;flex-direction:column;gap:16px}.dropzone{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:180px;padding:24px 20px;border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;transition:border-color .2s,background .2s;touch-action:manipulation}.dropzone:hover,.dropzone:focus-visible,.dropzone.dragover{border-color:var(--accent);background:var(--accent-muted);outline:none}.dropzone.has-file{border-style:solid;border-color:var(--accent);min-height:auto;padding:20px}.dropzone input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%;height:100%}.dropzone-icon{width:48px;height:48px;color:var(--accent)}.dropzone-label{font-weight:600;font-size:1rem;text-align:center}.dropzone-hint{font-size:.8rem;color:var(--text-muted);text-align:center}.file-preview{display:flex;align-items:center;gap:14px;width:100%;pointer-events:none}.file-preview img{width:64px;height:64px;object-fit:cover;border-radius:var(--radius-sm);background:var(--surface-raised)}.file-meta{flex:1;min-width:0;text-align:left}.file-meta strong{display:block;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta span{font-size:.8rem;color:var(--text-muted)}.panel{background:var(--surface);border-radius:var(--radius);padding:16px;border:1px solid var(--border)}.panel h2{margin:0 0 14px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.format-option{position:relative}.format-option input{position:absolute;opacity:0;width:0;height:0}.format-option label{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 8px;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--surface-raised);cursor:pointer;font-weight:600;font-size:.9rem;transition:border-color .15s,background .15s;touch-action:manipulation}.format-option label small{font-weight:400;font-size:.7rem;color:var(--text-muted)}.format-option input:checked+label{border-color:var(--accent);background:var(--accent-muted);color:var(--accent-hover)}.format-option input:focus-visible+label{outline:2px solid var(--accent);outline-offset:2px}.quality-row{margin-top:14px}.quality-row label{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:8px}.quality-row label span{color:var(--text-muted)}.quality-row input[type=range]{width:100%;accent-color:var(--accent);height:28px}.quality-row.hidden{display:none}.btn-primary{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 20px;font-family:inherit;font-size:1rem;font-weight:600;color:#fff;background:var(--accent);border:none;border-radius:var(--radius);cursor:pointer;transition:background .15s,transform .1s;touch-action:manipulation;min-height:52px}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-primary .spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status{padding:12px 14px;border-radius:var(--radius-sm);font-size:.875rem;text-align:center}.status.error{background:#ff5c5c1f;color:var(--error)}.status.success{background:#34c7591f;color:var(--success)}.status.hidden{display:none}.seo-intro{margin-top:8px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.seo-intro h2{margin:0 0 8px;font-size:.85rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.seo-intro p{margin:0;font-size:.8rem;line-height:1.55;color:var(--text-muted)}footer{margin-top:auto;padding-top:20px;text-align:center;font-size:.75rem;color:var(--text-muted)}.footer-links{margin-top:8px}.footer-links a{color:var(--accent);text-decoration:none}.footer-links a:hover{text-decoration:underline}.supported-formats{margin-top:8px;line-height:1.6}@media(min-width:480px){.app-shell{padding-top:calc(32px + var(--safe-top))}header h1{font-size:1.75rem}.dropzone{min-height:200px}}