.theme-toggle{width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:#566383;cursor:pointer;touch-action:manipulation}
.theme-toggle span{width:21px;height:21px;display:grid;place-items:center;transition:transform .16s ease}
.theme-toggle svg,.theme-settings svg{width:22px;height:22px;flex-shrink:0}
.theme-toggle .theme-sun{display:none}
:root[data-theme=dark] .theme-toggle{color:#efc878}
:root[data-theme=dark] .theme-toggle .theme-sun{display:grid}
:root[data-theme=dark] .theme-toggle .theme-moon{display:none}
.theme-toggle:hover{background:var(--soft);border-color:var(--brand)}
.theme-toggle:hover span{transform:rotate(-12deg)}
.theme-toggle:focus-visible,.theme-settings button:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.theme-toggle:active{transform:scale(.95)}
.theme-settings{max-width:460px;margin:24px 0}
.theme-choices{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.theme-choice{min-width:0;padding:12px;border:2px solid var(--line);border-radius:18px;background:var(--surface);color:var(--ink);font:inherit;cursor:pointer;text-align:left}
.theme-choice[aria-pressed=true]{border-color:var(--brand);background:var(--soft)}
.theme-sample{display:grid;gap:6px;padding:14px 12px;border-radius:9px;border:1px solid #dbe4e6;background:#f4f6f8}
.theme-sample i{height:8px;width:75%;background:#dbe4e6;border-radius:4px}
.theme-sample i:first-child{width:32%;height:11px;background:#218c7d;margin-bottom:4px}
.theme-sample i:last-child{width:52%}
.theme-sample-dark{background:#101c22;border-color:#2b3a42}
.theme-sample-dark i{background:#34474f}.theme-sample-dark i:first-child{background:#69d2bc}
.theme-choice-label{display:flex;align-items:center;gap:8px;margin-top:12px;font-weight:600}
.theme-check{margin-left:auto;color:var(--brand);visibility:hidden}
.theme-choice[aria-pressed=true] .theme-check{visibility:visible}
.theme-system{width:100%;display:flex;align-items:center;gap:12px;margin:16px 0 12px;padding:15px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);text-align:left;font:inherit;cursor:pointer}
.theme-system>span:nth-child(2){flex:1}.theme-system strong{font-size:13px;display:block}.theme-system small{font-size:12px;display:block;color:var(--muted);margin-top:3px}
.theme-switch{width:34px;height:20px;border-radius:20px;background:var(--line);padding:3px;flex-shrink:0}
.theme-switch:before{content:'';display:block;width:14px;height:14px;border-radius:50%;background:var(--muted)}
.theme-system[aria-pressed=true] .theme-switch{background:var(--brand)}
.theme-system[aria-pressed=true] .theme-switch:before{transform:translateX(14px);background:var(--surface)}
.theme-settings .mini-note{min-height:36px}
@media(prefers-reduced-motion:reduce){.theme-toggle span{transition:none}.theme-toggle:hover span,.theme-toggle:active{transform:none}}