:root{--bg:#fff;--surface:#fff;--surface-2:#f1f3f4;--text:#1f1f1f;--text-muted:#5f6368;--border:#dadce0;--accent:#0b57d0;--accent-hover:#0842a0;--accent-soft:#d3e3fd;--accent-2:#4a8cf7;--success:#146c2e;--success-soft:#c4eed0;--danger:#b3261e;--danger-soft:#f9dedc;--radius:16px;--radius-sm:12px;--radius-lg:28px;--shadow:0 1px 2px #3c40434d, 0 1px 3px 1px #3c404326;--shadow-lg:0 4px 8px 3px #3c404326, 0 1px 3px #3c40434d;--grad:linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);--wash-a:transparent;--wash-b:transparent;--font:Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--mono:"Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--ease:cubic-bezier(.2, 0, 0, 1)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5}h1,h2,h3{letter-spacing:0;margin:0 0 .4em;font-weight:400;line-height:1.25}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}::selection{background:var(--accent-soft)}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px}.lk-header{background:var(--bg);border-bottom:1px solid var(--border);z-index:50;border-top:3px solid var(--accent);flex-wrap:wrap;align-items:center;gap:16px;min-height:64px;padding:8px 24px;display:flex;position:sticky;top:0}.lk-wordmark{color:var(--text);letter-spacing:0;font-size:22px;font-weight:500}.lk-wordmark .lk-dot{color:var(--accent)}.lk-toolname{letter-spacing:0;color:var(--accent);background:var(--accent-soft);border-radius:8px;padding:5px 14px;font-size:13px;font-weight:500}.lk-nav{flex-wrap:wrap;gap:4px;margin-left:auto;font-size:14px;display:flex}.lk-nav a{color:var(--text-muted);transition:background .15s var(--ease), color .15s var(--ease);border-radius:999px;padding:8px 12px;font-weight:500}.lk-nav a:hover{color:var(--accent);background:var(--surface-2);text-decoration:none}.lk-main{max-width:980px;margin:0 auto;padding:56px 24px 72px}.lk-hero{text-align:center;margin-bottom:40px}.lk-hero h1{letter-spacing:-.5px;max-width:20ch;margin-left:auto;margin-right:auto;font-size:clamp(32px,4.8vw,54px);font-weight:400;line-height:1.15}.lk-hero p{color:var(--text-muted);max-width:580px;margin:0 auto;font-size:17px;font-weight:400;line-height:1.6}.lk-hero-art{width:min(460px,88%);height:auto;margin:12px auto 0;display:block}@media (width<=640px){.lk-hero-art{display:none}}.lk-privacy-badge{background:var(--success-soft);color:var(--success);border-radius:8px;align-items:center;gap:8px;margin-bottom:24px;padding:8px 16px;font-size:13px;font-weight:500;display:inline-flex}.lk-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border);background:#f8f9fa;margin-top:72px;padding:40px 24px;font-size:14px}.lk-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:none;padding:24px}.lk-btn{font:inherit;letter-spacing:.1px;cursor:pointer;background:var(--accent);color:#fff;box-shadow:none;transition:background .15s var(--ease), box-shadow .15s var(--ease);border:none;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:500;display:inline-flex}.lk-btn:hover:not(:disabled){background:var(--accent-hover);box-shadow:var(--shadow)}.lk-btn:active:not(:disabled){box-shadow:none}.lk-btn:disabled{opacity:.38;cursor:not-allowed}.lk-btn-secondary{background:var(--accent-soft);color:color-mix(in srgb, var(--accent) 78%, #000);box-shadow:none;border:none}.lk-btn-secondary:hover:not(:disabled){background:color-mix(in srgb, var(--accent) 22%, #fff);box-shadow:var(--shadow)}.lk-btn-danger{background:var(--danger-soft);color:var(--danger);box-shadow:none}.lk-btn-danger:hover:not(:disabled){box-shadow:var(--shadow);background:#f5cbc7}.lk-input,.lk-select,.lk-textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);width:100%;transition:border-color .15s var(--ease), box-shadow .15s var(--ease);border-radius:8px;padding:12px 16px;font-size:15px}.lk-input:focus,.lk-select:focus,.lk-textarea:focus{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);outline:none}.lk-label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.lk-field{margin-bottom:16px}.lk-dropzone{border:1px dashed var(--border);border-radius:var(--radius);text-align:center;color:var(--text-muted);cursor:pointer;box-shadow:none;transition:border-color .15s var(--ease), background .15s var(--ease), box-shadow .15s var(--ease);background:#f8f9fa;padding:64px 28px;font-size:16px}.lk-dropzone:hover,.lk-dropzone.lk-dragover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 6%, #fff);box-shadow:var(--shadow);border-style:solid}.lk-tabs{background:var(--surface-2);border:none;border-radius:999px;flex-wrap:wrap;gap:4px;margin-bottom:24px;padding:4px;display:inline-flex}.lk-tab{font:inherit;color:var(--text-muted);cursor:pointer;transition:background .15s var(--ease), color .15s var(--ease);background:0 0;border:none;border-radius:999px;padding:9px 20px;font-size:14px;font-weight:500}.lk-tab.lk-active{color:color-mix(in srgb, var(--accent) 78%, #000);background:var(--accent-soft);box-shadow:none}.lk-tab:hover:not(.lk-active){color:var(--text);background:#1f1f1f0d}table.lk-table{border-collapse:collapse;width:100%;font-size:14px}.lk-table th,.lk-table td{border:1px solid var(--border);text-align:left;padding:10px 12px}.lk-table th{background:var(--surface-2);font-weight:500}.lk-progress{background:var(--surface-2);border-radius:999px;height:8px;overflow:hidden}.lk-progress>div{background:var(--accent);height:100%;transition:width .25s var(--ease);border-radius:999px}.lk-alert{border-radius:8px;margin:12px 0;padding:12px 16px;font-size:14px}.lk-alert-error{background:var(--danger-soft);color:var(--danger)}.lk-alert-success{background:var(--success-soft);color:var(--success)}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}:root{--accent:#7c3aed;--accent-hover:#6d28d9;--accent-soft:#f1eafd;--accent-2:#a78bfa}.lk-home-link{color:inherit;text-decoration:none}.lk-home-link:hover{text-decoration:none}.lk-tabrow{justify-content:center;margin-bottom:4px;display:flex}.img-dropzone{flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:300px;padding:48px 28px;display:flex}.dz-icon{font-size:44px;line-height:1}.dz-btn{padding:15px 38px;font-size:17px}.dz-hint{color:var(--text-muted);font-size:14.5px}.dz-subtitle{color:var(--text-muted);opacity:.85;font-size:13px}.dz-disabled{opacity:.6;cursor:not-allowed}.tool-note{color:var(--text-muted);text-align:center;max-width:560px;margin:12px auto;font-size:13px}.paste-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:14px;display:flex}.paste-hint{color:var(--text-muted);font-size:12.5px}.paste-error{width:100%;margin:0}.opts-card{margin-top:16px}.opts-heading{margin-bottom:8px;font-size:15px}details.opts-card{padding:0;overflow:hidden}details.opts-card>.opts-grid{padding:4px 20px 20px}.opts-summary{cursor:pointer;flex-wrap:wrap;align-items:baseline;gap:12px;padding:16px 20px;font-size:14.5px;font-weight:700;list-style:none;display:flex}.opts-summary::-webkit-details-marker{display:none}.opts-summary:before{content:"▸";color:var(--text-muted);font-size:12px;transition:transform .15s}details[open]>.opts-summary:before{transform:rotate(90deg)}.opts-summary-current{color:var(--text-muted);font-size:12.5px;font-weight:500}.opts-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:4px 18px;display:grid}.lk-range{width:100%;accent-color:var(--accent)}.range-row{align-items:center;gap:10px;min-height:37px;display:flex}.field-hint{color:var(--text-muted);margin-top:4px;font-size:12px}.actions-row{flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;display:flex}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:14px 32px;font-size:16px}.progress-wrap{align-items:center;gap:10px;margin-top:14px;display:flex}.progress-wrap .lk-progress{flex:1}.progress-text{color:var(--text-muted);text-align:right;min-width:36px;font-size:12.5px}.lk-progress-indeterminate>div{animation:1.2s ease-in-out infinite lk-indeterminate;width:40%!important}@keyframes lk-indeterminate{0%{margin-left:-40%}to{margin-left:100%}}.file-rows{flex-direction:column;gap:10px;margin-top:16px;display:flex}.file-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);flex-wrap:wrap;align-items:center;gap:12px;padding:10px 12px;display:flex}.thumb{object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);flex-shrink:0;width:48px;height:48px}.thumb-placeholder{justify-content:center;align-items:center;font-size:20px;display:flex}.file-meta{flex:1;min-width:150px}.file-name{word-break:break-all;font-size:13.5px;font-weight:600}.file-sizes{color:var(--text-muted);font-size:12.5px}.target-miss{color:var(--danger)}.row-error{color:var(--danger);margin-top:2px;font-size:12.5px}.saved-badge{background:var(--success-soft);color:var(--success);white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:700}.saved-badge.negative{background:var(--danger-soft);color:var(--danger)}.row-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.model-card{margin-top:4px;margin-bottom:12px}.model-title{margin-bottom:8px;font-size:13.5px;font-weight:600}.bg-options{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.bg-option{cursor:pointer;align-items:center;gap:7px;font-size:14px;display:inline-flex}.bg-option input[type=radio]{accent-color:var(--accent);margin:0}.bg-color-input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;width:34px;height:26px;padding:0}.bg-results{flex-direction:column;gap:18px;margin-top:18px;display:flex}.bg-result{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.bg-result-head{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px;display:flex}.ba-grid{grid-template-columns:1fr 1fr;gap:12px;margin-top:8px;display:grid}.ba-pane{border:1px solid var(--border);border-radius:var(--radius);margin:0;overflow:hidden}.pane-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--surface-2);border-bottom:1px solid var(--border);padding:4px 10px;font-size:11.5px;font-weight:700}.ba-img-wrap{justify-content:center;align-items:center;height:300px;padding:8px;display:flex}.ba-img-wrap img{max-width:100%;max-height:100%;display:block}.checker{background-image:linear-gradient(45deg,#80808047 25%,#0000 25% 75%,#80808047 75%),linear-gradient(45deg,#80808047 25%,#0000 25% 75%,#80808047 75%);background-position:0 0,8px 8px;background-size:16px 16px}@media (width<=560px){.img-dropzone{min-height:240px;padding:36px 18px}.ba-grid{grid-template-columns:1fr}.ba-img-wrap{height:230px}.row-actions{width:100%;margin-left:0}.actions-row .lk-btn{width:100%}}.lk-account{position:relative}.lk-account-btn{padding:6px 14px;font-size:13px}.lk-account-dot{background:var(--success);border-radius:999px;width:8px;height:8px;display:inline-block}.lk-account-menu{z-index:50;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);min-width:230px;padding:14px;position:absolute;top:calc(100% + 8px);right:0}.lk-account-email{word-break:break-all;font-size:13.5px;font-weight:600}.lk-account-note{color:var(--text-muted);margin:4px 0 12px;font-size:12px}.lk-account-menu .lk-btn{width:100%}.lk-modal-backdrop{z-index:100;background:#0a0c108c;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.lk-modal{width:100%;max-width:400px;position:relative}.lk-modal h2{padding-right:28px;font-size:19px}.lk-modal-close{cursor:pointer;width:28px;height:28px;color:var(--text-muted);background:0 0;border:none;border-radius:6px;place-items:center;font-size:20px;line-height:1;display:grid;position:absolute;top:10px;right:10px}.lk-modal-close:hover{background:var(--surface-2);color:var(--text)}.lk-modal-sub{color:var(--text-muted);margin:0 0 16px;font-size:13px}.lk-modal-submit{width:100%;margin-top:4px}.lk-modal-switch{text-align:center;cursor:pointer;width:100%;font:inherit;color:var(--accent);background:0 0;border:none;margin-top:12px;font-size:13px;display:block}.lk-modal-switch:hover{text-decoration:underline}.lk-modal-forgot{text-align:left;cursor:pointer;font:inherit;color:var(--accent);background:0 0;border:none;margin:-6px 0 12px;padding:0;font-size:13px;display:block}.lk-modal-forgot:hover{text-decoration:underline}.lk-trustblock{grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;display:grid}@media (width<=700px){.lk-trustblock{grid-template-columns:1fr}}.lk-trust-card h2{margin-bottom:8px;font-size:15px}.lk-trust-card p{color:var(--text-muted);margin:0 0 8px;font-size:13.5px}.lk-trust-card p:last-child{margin-bottom:0}.lk-trust-card ul{margin:0;padding:0;list-style:none}.lk-trust-card li{margin-bottom:10px;font-size:13.5px}.lk-trust-card li:last-child{margin-bottom:0}.lk-trust-card li a{font-weight:600}.lk-trust-card li span{color:var(--text-muted);display:block}