.appearance-dialog{color:var(--ink);background:var(--dialog);padding:0;width:min(600px,calc(100vw - 24px));max-height:calc(100dvh - 32px);border:1px solid var(--border);border-radius:26px;overflow:auto;overscroll-behavior:contain;box-shadow:0 18px 65px #0003}
.appearance-dialog::backdrop{background:#20252e38;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.appearance-heading{position:sticky;top:0;z-index:2;background:var(--dialog);display:flex;align-items:center;justify-content:space-between;padding:24px 26px 20px;border-bottom:1px solid var(--border)}
.appearance-heading h2{font-size:24px;letter-spacing:-.7px}.appearance-heading .eyebrow{font-size:9px;margin-bottom:6px}
.appearance-section{padding:22px 26px;border-bottom:1px solid var(--border)}
.appearance-dialog h3{font-size:14px;margin:0;font-weight:600}.appearance-dialog h4{font-size:11px;font-weight:550;color:var(--ink-muted);margin:18px 0 10px}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.setting-row>div{min-width:0}.setting-row p{font-size:11px;margin-top:5px}
.theme-switch{width:52px;height:32px;min-width:52px;position:relative;border:1px solid var(--border);border-radius:18px;background:#c9cbd0;padding:3px;transition:background 180ms}
.theme-switch:before{content:'';position:absolute;inset:-7px 0}.theme-switch span{display:block;width:24px;height:24px;background:white;border-radius:50%;box-shadow:0 1px 4px #0003;transition:transform 180ms}
.theme-switch[aria-checked=true]{background:#2878d9;border-color:#4d92e7}.theme-switch[aria-checked=true] span{transform:translateX(18px)}
.auto-setting{display:flex;align-items:start;gap:10px;margin-top:20px;font-size:12px;cursor:pointer;min-height:44px}.auto-setting input{appearance:auto;-webkit-appearance:checkbox;accent-color:var(--accent);width:18px;height:18px;margin:1px 0 0;flex:none}.auto-setting small{display:block;font-size:10px;color:var(--ink-muted);line-height:1.6;margin-top:5px}
.wallpaper-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.wallpaper-heading>span{font-size:11px;color:var(--accent)}
.appearance-hint{font-size:11px;line-height:1.6;margin-top:7px}.wallpaper-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.wallpaper-choice{padding:0;background:transparent;min-width:0;text-align:left;border:0;border-radius:12px;font-family:inherit;font-size:10px;color:var(--ink-muted);cursor:pointer}
.wallpaper-thumbnail{display:block;aspect-ratio:1.12;background-size:cover;background-position:center;border-radius:12px;border:1px solid #8884;position:relative;transition:box-shadow 120ms,transform 120ms}
.wallpaper-choice>span:last-child{display:block;margin-top:7px;padding-left:2px}.wallpaper-choice[aria-pressed=true]{color:var(--accent);font-weight:600}.wallpaper-choice[aria-pressed=true] .wallpaper-thumbnail{box-shadow:0 0 0 2px var(--dialog),0 0 0 4px var(--accent)}
.wallpaper-choice[aria-pressed=true] .wallpaper-thumbnail:after{content:'✓';display:grid;place-items:center;position:absolute;bottom:6px;right:6px;width:21px;height:21px;border-radius:50%;background:#1264db;color:white;font-size:13px}
.shared-background{padding:22px 26px 24px;background:var(--field)}.shared-background>.btn{margin-top:15px;width:100%}.appearance-note{font-size:10px;line-height:1.6;margin-top:12px}.appearance-dialog #appearance-feedback{font-size:11px;color:var(--accent);line-height:1.6;margin-top:10px}.appearance-dialog #appearance-feedback:empty{display:none}
@media(hover:hover){.wallpaper-choice:hover .wallpaper-thumbnail{transform:translateY(-2px);box-shadow:0 3px 10px #0002}}
@media(max-width:700px){.top-actions .demo-label{display:none}.top-actions{gap:6px}.topbar{gap:8px}.appearance-heading{padding:20px}.appearance-section,.shared-background{padding:20px}.appearance-dialog{max-height:calc(100dvh - 20px);border-radius:22px}.wallpaper-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px 10px}.appearance-heading h2{font-size:22px}.setting-row{gap:10px}.setting-row .btn{padding:9px 12px;font-size:11px}}

.appearance-dialog .icon-button{width:44px;height:44px;border-radius:50%;background:transparent;color:inherit;border:0;cursor:pointer}.appearance-dialog .appearance-heading{box-shadow:none}.appearance-dialog .auto-setting input{appearance:auto!important;min-height:18px!important}.appearance-dialog .theme-switch span{background:white}.appearance-dialog .eyebrow{font-size:10px;color:var(--ink-muted);letter-spacing:.1em}.appearance-dialog::backdrop{background:#20252e38}.appearance-open{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid var(--border);border-radius:12px;color:var(--ink);background:var(--glass);cursor:pointer;font:inherit}.sidebar .appearance-open{margin:8px 0;width:100%;font-size:12px}.mobile-topbar .appearance-open{width:44px;flex:none}.appearance-open svg{width:18px;height:18px}.appearance-dialog button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.appearance-dialog[open]{display:block}body.liquid-platform:has(.appearance-dialog[open]){overflow:hidden}