.tool-intro{padding:34px 0 26px}.tool-intro h1{margin-bottom:10px}.tool-intro>p:not(.eyebrow){max-width:780px;color:var(--muted);font-size:1.08rem}.tool-intro .privacy-note{color:var(--success);align-items:center;gap:8px;margin:16px 0 0;font-size:.91rem;font-weight:650;display:flex}.transparency-tool{margin-bottom:74px}.checker-grid{border:1px solid var(--line-strong);background:var(--surface);box-shadow:var(--shadow);border-radius:16px;grid-template-columns:minmax(0,1.55fr) minmax(300px,.65fr);display:grid;overflow:hidden}.checker-main{background:var(--surface-soft);min-width:0;padding:14px}.drop-zone{border:1px solid var(--line);background:#fff;border-radius:12px;outline:none;place-items:center;min-width:0;min-height:520px;transition:box-shadow .15s,background-color .15s;display:grid;overflow:hidden}.drop-zone:focus-visible,.drop-zone.is-dragging{box-shadow:inset 0 0 0 4px var(--accent);background-color:#eef7ff}.empty-state{border:2px dashed var(--line-strong);text-align:center;border-radius:14px;width:min(500px,100% - 36px);padding:58px 30px}.empty-state h3{margin:18px 0 5px;font-size:1.35rem}.empty-state>p{color:var(--muted)}.upload-icon{width:66px;height:66px;color:var(--accent);background:#e5f3ff;border-radius:18px;place-items:center;margin:auto;display:grid}.button{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;min-height:42px;padding:8px 16px;font-weight:700;text-decoration:none;display:inline-flex}.button.primary{color:#fff;background:var(--ink)}.button.primary:hover:not(:disabled){color:#fff;background:#263451}.button.secondary{border-color:var(--line-strong);background:#fff}.button.quiet{color:var(--danger);background:0 0}.button:disabled{color:#8490a0;cursor:not-allowed;background:#e9edf2}.file-help{font-size:.8rem;margin:16px 0 0!important}.image-workspace{align-self:stretch;width:100%;min-width:0}.image-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:12px 14px;display:flex}.file-details{min-width:0;display:grid}.file-details strong{white-space:nowrap;text-overflow:ellipsis;max-width:40ch;overflow:hidden}.file-details span{color:var(--muted);font-size:.78rem}.toolbar-actions{gap:4px;display:flex}.toolbar-actions .button{min-height:36px;padding:5px 11px;font-size:.84rem}.view-controls{border-bottom:1px solid var(--line);background:#fff;flex-wrap:wrap;justify-content:space-between;gap:12px 20px;padding:12px 14px;display:flex}.control-group{gap:6px;display:grid}.control-group>span{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.72rem;font-weight:750}.segmented-control,.background-control{flex-wrap:wrap;gap:5px;display:flex}.segmented-control button,.background-control button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:7px;align-items:center;gap:6px;min-height:34px;padding:5px 10px;font-size:.78rem;font-weight:680;display:inline-flex}.segmented-control button[aria-pressed=true],.background-control button[aria-pressed=true]{border-color:var(--accent);color:var(--accent-dark);box-shadow:inset 0 0 0 1px var(--accent);background:#e9f4ff}.swatch{border:1px solid #9ca7b6;border-radius:3px;width:14px;height:14px}.swatch.white{background:#fff}.swatch.black{background:#101010}.swatch.magenta{background:#ef4e9b}.swatch.checker{background-color:#fff;background-image:linear-gradient(45deg,#c9ced6 25%,#0000 25%),linear-gradient(-45deg,#c9ced6 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#c9ced6 75%),linear-gradient(-45deg,#0000 75%,#c9ced6 75%);background-position:0 0,0 4px,4px -4px,-4px 0;background-size:8px 8px}.preview-wrap{place-items:center;min-height:390px;padding:20px;display:grid;overflow:auto}.preview-wrap[data-preview-background=checker]{background-color:#fff;background-image:linear-gradient(45deg,#d5dae1 25%,#0000 25%),linear-gradient(-45deg,#d5dae1 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#d5dae1 75%),linear-gradient(-45deg,#0000 75%,#d5dae1 75%);background-position:0 0,0 12px,12px -12px,-12px 0;background-size:24px 24px}.preview-wrap[data-preview-background=white]{background:#fff}.preview-wrap[data-preview-background=black]{background:#101216}.preview-wrap[data-preview-background=magenta]{background:#ef4e9b}[data-preview-canvas]{image-rendering:auto;width:auto;max-width:100%;height:auto;max-height:62vh;display:block;box-shadow:0 3px 18px #17223b38}.preview-footer{border-top:1px solid var(--line);min-height:42px;color:var(--muted);background:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 18px;padding:9px 14px;font-size:.78rem;display:flex}.preview-footer p{margin:0}.edge-legend{align-items:center;gap:6px;display:inline-flex}.edge-legend span{background:#e82470;border-radius:3px;width:12px;height:12px}.status{min-height:42px;color:var(--muted);background:#fff;border-radius:7px;margin:10px 0 0;padding:9px 12px;font-size:.8rem}.status[data-error=true]{color:var(--danger);background:#fff1f2}.analysis-panel{border-left:1px solid var(--line);background:#fff;min-width:0;padding:28px 26px}.analysis-panel h2{margin-bottom:22px;font-size:1.5rem}.analysis-panel [data-summary]:not([hidden])+.results-placeholder{display:none}.results-placeholder{color:var(--muted);background:var(--surface-soft);border-radius:9px;padding:18px}.results-placeholder p{margin:0}.verdict{border-left:4px solid;border-radius:7px;padding:13px 14px;font-weight:760}.verdict.has-transparency{border-color:var(--success);color:#125b3b;background:#eaf7f0}.verdict.is-opaque{color:#784308;background:#fff5df;border-color:#b5660b}.verdict-detail{color:var(--muted);margin:12px 0 22px;font-size:.88rem}.stat-list{border-top:1px solid var(--line);margin:0}.stat-list div{border-bottom:1px solid var(--line);justify-content:space-between;gap:18px;padding:9px 0;display:flex}.stat-list dt{color:var(--muted);font-size:.83rem}.stat-list dd{font-variant-numeric:tabular-nums;text-align:right;margin:0;font-size:.84rem;font-weight:750}.download-button{width:100%;margin-top:24px}.download-help{color:var(--muted);margin:9px 0 0;font-size:.75rem}.content{gap:64px;display:grid}.content>section:first-child{max-width:840px}.steps{counter-reset:steps;grid-template-columns:repeat(3,1fr);gap:14px;padding:0;list-style:none;display:grid}.steps li{border:1px solid var(--line);min-height:150px;color:var(--muted);border-radius:10px;padding:48px 18px 18px;position:relative}.steps li:before{counter-increment:steps;content:counter(steps);color:#fff;background:var(--ink);border-radius:50%;place-items:center;width:24px;height:24px;font-size:.75rem;font-weight:800;display:grid;position:absolute;top:14px;left:18px}.steps strong{color:var(--ink)}.related-grid{gap:12px;display:grid}.visually-hidden{clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}@media (width<=900px){.checker-grid{grid-template-columns:1fr}.analysis-panel{border-top:1px solid var(--line);border-left:0}}@media (width<=620px){.tool-intro{padding-top:25px}.checker-grid{border-radius:12px}.checker-main{padding:8px}.drop-zone{min-height:440px}.empty-state{padding:40px 18px}.image-toolbar{align-items:flex-start}.file-details strong{max-width:19ch}.toolbar-actions{flex-direction:column}.view-controls{flex-direction:column;align-items:flex-start}.background-control button{padding-inline:8px}.preview-wrap{min-height:290px;padding:10px}[data-preview-canvas]{max-height:52vh}.analysis-panel{padding:24px 20px}.steps{grid-template-columns:1fr}.steps li{min-height:auto}}