[hidden]{display:none!important}:root{--bg: #0a0a14;--glass-bg: rgba(255, 255, 255, .04);--glass-border: rgba(255, 255, 255, .08);--glass-border-h: rgba(255, 255, 255, .18);--glass-blur: 16px;--accent: #7c3aed;--accent-light: #8b5cf6;--accent-glow: rgba(124, 58, 237, .35);--text: #e2e8f0;--text-muted: #64748b;--success: #10b981;--error: #ef4444;--s1: 4px;--s2: 8px;--s3: 12px;--s4: 16px;--s5: 24px;--s6: 32px;--s7: 48px;--r-sm: 8px;--r-md: 14px;--r-lg: 22px;--ease: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--text);min-height:100svh;line-height:1.5;background-image:radial-gradient(ellipse 60% 50% at 15% 10%,rgba(124,58,237,.15) 0%,transparent 70%),radial-gradient(ellipse 50% 40% at 85% 85%,rgba(59,130,246,.1) 0%,transparent 70%);background-attachment:fixed}.glass-card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur)) saturate(180%);-webkit-backdrop-filter:blur(var(--glass-blur)) saturate(180%);border:1px solid var(--glass-border);border-radius:var(--r-md);transition:border-color var(--ease)}#app{max-width:1280px;margin:0 auto;padding:var(--s5);display:flex;flex-direction:column;gap:var(--s5)}.app-header{display:flex;align-items:center;gap:var(--s4);padding:var(--s3) var(--s5)}.logo{width:34px;height:34px;flex-shrink:0;background-color:#fff;border-radius:8px}.header-text{display:flex;flex-direction:column;gap:2px}.app-title{font-size:1.2rem;font-weight:700;letter-spacing:-.02em}.app-tagline{font-size:.78rem;color:var(--text-muted)}.app-footer{text-align:center;padding:var(--s5) var(--s4) var(--s6);font-size:.75rem;color:var(--text-muted);line-height:1.8}.app-footer a{color:var(--accent-light);text-decoration:none}.app-footer a:hover{text-decoration:underline}.pwa-install-btn{margin-top:var(--s3)}.drop-zone{padding:var(--s7) var(--s5);text-align:center;border:2px dashed var(--glass-border);cursor:pointer;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}.drop-zone:hover,.drop-zone--active{border-color:var(--accent);box-shadow:0 0 40px var(--accent-glow),inset 0 0 40px #7c3aed0a;background:#7c3aed0d}.drop-zone__inner{display:flex;flex-direction:column;align-items:center;gap:var(--s3);pointer-events:none}.drop-icon{color:var(--text-muted);transition:color var(--ease),transform var(--ease)}.drop-zone:hover .drop-icon,.drop-zone--active .drop-icon{color:var(--accent);transform:translateY(-4px)}.drop-label{font-size:1rem;pointer-events:auto}.drop-hint{font-size:.78rem;color:var(--text-muted)}.link-btn{background:none;border:none;cursor:pointer;color:var(--accent);font:inherit;text-decoration:underline;text-underline-offset:3px;padding:0;pointer-events:auto}.link-btn:hover{color:var(--accent-light)}.controls{display:flex;flex-wrap:wrap;gap:var(--s4);align-items:flex-end;padding:var(--s4) var(--s5)}.control-group{display:flex;flex-direction:column;gap:var(--s1);flex:1;min-width:140px}.control-group--inline{flex-direction:row;align-items:center;gap:var(--s3);flex:0 0 auto}.control-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);-webkit-user-select:none;user-select:none}.control-value{color:var(--accent);font-variant-numeric:tabular-nums;min-width:2.5ch;display:inline-block}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer;height:4px}.quality-section{width:100%;display:flex;flex-wrap:wrap;align-items:center;gap:var(--s4);padding-top:var(--s3);border-top:1px solid var(--glass-border)}.quality-label{flex:0 0 auto;white-space:nowrap}.quality-toggle{display:flex;align-items:center;gap:var(--s2);flex:0 0 auto}.quality-name{font-size:.78rem;color:var(--text);white-space:nowrap;cursor:default;-webkit-user-select:none;user-select:none}.toggle-btn{width:44px;height:24px;border-radius:12px;background:var(--glass-border-h);border:1px solid rgba(255,255,255,.12);cursor:pointer;position:relative;flex-shrink:0;transition:background var(--ease),border-color var(--ease),box-shadow var(--ease)}.toggle-btn--active{background:var(--accent);border-color:var(--accent-light);box-shadow:0 0 12px var(--accent-glow)}.toggle-thumb{position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;top:3px;left:3px;transition:transform var(--ease);pointer-events:none;box-shadow:0 1px 4px #0006}.toggle-btn--active .toggle-thumb{transform:translate(20px)}.control-actions{display:flex;gap:var(--s3);align-items:center;flex-wrap:wrap}.btn{padding:9px 20px;border-radius:var(--r-sm);font-size:.875rem;font-weight:500;cursor:pointer;border:1px solid transparent;transition:background var(--ease),border-color var(--ease),box-shadow var(--ease),opacity var(--ease);white-space:nowrap;line-height:1}.btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn--primary:hover:not(:disabled){background:var(--accent-light);border-color:var(--accent-light);box-shadow:0 0 20px var(--accent-glow)}.btn--secondary{background:transparent;color:var(--text);border-color:var(--glass-border-h)}.btn--secondary:hover:not(:disabled){border-color:var(--accent);color:var(--accent-light)}.btn--ghost{background:transparent;color:var(--text-muted);border-color:var(--glass-border);font-size:.8rem}.btn--ghost:hover:not(:disabled){color:var(--text);border-color:var(--glass-border-h)}.btn:disabled{opacity:.35;cursor:not-allowed}.panes{display:grid;grid-template-columns:1fr 1fr;gap:var(--s5)}@media(max-width:720px){.panes{grid-template-columns:1fr}}.pane{display:flex;flex-direction:column;overflow:hidden;height:460px}.pane__header{padding:var(--s2) var(--s4);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-bottom:1px solid var(--glass-border);display:flex;align-items:center;gap:var(--s2);flex-shrink:0}.pane__body{flex:1;padding:var(--s4);display:flex;align-items:center;justify-content:center;overflow:auto}.pane__body img{max-width:100%;max-height:55vh;object-fit:contain;border-radius:var(--r-sm)}.pane__body--svg{padding:0;overflow:hidden;cursor:grab;-webkit-user-select:none;user-select:none;position:relative;background-color:#fff}.pane__body--svg:active{cursor:grabbing}.pane__body--svg svg{position:absolute;top:0;left:0;display:block;will-change:transform}.pane__zoom-bar{display:flex;align-items:center;gap:var(--s2);padding:var(--s1) var(--s3);border-bottom:1px solid var(--glass-border);background:#00000026;flex-shrink:0}.zoom-slider{flex:1;height:3px;accent-color:var(--accent);cursor:pointer}.zoom-btn{width:22px;height:22px;border-radius:4px;border:1px solid var(--glass-border-h);background:transparent;color:var(--text);font-size:1rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--ease),border-color var(--ease)}.zoom-btn:hover{background:var(--glass-bg);border-color:var(--accent);color:var(--accent-light)}.zoom-value{font-size:.72rem;font-variant-numeric:tabular-nums;color:var(--text-muted);min-width:3.5ch;text-align:right;flex-shrink:0}.zoom-fit-btn{padding:3px 10px;font-size:.7rem;flex-shrink:0}.pane__footer{padding:var(--s2) var(--s4);font-size:.68rem;color:var(--text-muted);border-top:1px solid var(--glass-border);font-variant-numeric:tabular-nums;flex-shrink:0;min-height:26px}svg.fill-only path{stroke:none!important}.spinner{display:inline-block;width:13px;height:13px;border:2px solid var(--glass-border-h);border-top-color:var(--accent);border-radius:50%;animation:spin .65s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.error-msg{color:var(--error);text-align:center;padding:var(--s5);font-size:.875rem;line-height:1.6;width:100%}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--glass-border-h);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.download-btn-wrap{position:relative}.controls{position:relative;z-index:10}.license-popover{background:#16162a;backdrop-filter:none;-webkit-backdrop-filter:none;display:flex;flex-direction:column;gap:var(--s3);position:absolute;top:calc(100% + var(--s2));left:50%;transform:translate(-50%);min-width:256px;padding:var(--s4);z-index:100;box-shadow:0 8px 32px #0000008c,0 0 0 1px var(--glass-border-h)}.license-key-input{width:100%;padding:var(--s2) var(--s3);background:#00000059;border:1px solid var(--glass-border-h);border-radius:var(--r-sm);color:var(--text);font-family:Courier New,Courier,monospace;font-size:.875rem;letter-spacing:.04em;outline:none;transition:border-color var(--ease),box-shadow var(--ease)}.license-key-input::placeholder{color:var(--text-muted);font-family:system-ui,-apple-system,sans-serif;letter-spacing:normal}.license-key-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}.license-status{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);transition:color var(--ease);-webkit-user-select:none;user-select:none;min-height:1em}.license-status--valid{color:var(--success)}.license-popover__dl-btn{width:100%;justify-content:center}.save-format-btns{display:flex;gap:var(--s2)}.save-format-btns .btn{flex:1}