.fs-theme-dialog{--fst-bg:#fff;--fst-text:#14314d;--fst-muted:#586e83;--fst-line:#c8d9e8;--fst-blue:#0068b7;--fst-soft:#edf5fc;position:fixed;inset:0;width:min(380px,calc(100vw - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:26px!important;border:1px solid var(--fst-line);border-radius:16px;background:var(--fst-bg);color:var(--fst-text);box-shadow:0 24px 90px #00152c44;font:15px/1.6 'Segoe UI',Arial,sans-serif;overflow:auto}
[data-theme=dark] .fs-theme-dialog{--fst-bg:#10253b;--fst-text:#e5eff9;--fst-muted:#a4b7ca;--fst-line:#39546e;--fst-blue:#8bc9ff;--fst-soft:#18354e}
.fs-theme-dialog::backdrop{background:#06152d88;backdrop-filter:blur(3px)}.fs-theme-dialog h2{font:650 23px/1.3 'Segoe UI',Arial,sans-serif;letter-spacing:-.4px;margin:0 0 10px}.fs-theme-dialog p{color:var(--fst-muted);font-size:14px;margin:0 0 20px}.fs-theme-dialog button{width:100%;display:block;min-height:46px;margin:8px 0;padding:10px 14px;border:1px solid var(--fst-line);border-radius:9px;color:var(--fst-text);background:var(--fst-bg);font:600 15px/1.5 'Segoe UI',Arial,sans-serif;text-align:left;cursor:pointer}.fs-theme-dialog button[aria-pressed=true]{color:var(--fst-blue);border-color:var(--fst-blue);background:var(--fst-soft)}.fs-theme-dialog button[aria-pressed=true]::after{content:'✓';float:right}.fs-theme-dialog .fs-theme-note{font-size:13px;margin:18px 0}.fs-theme-dialog button.fs-theme-close{text-align:center;margin-bottom:0}.fs-theme-dialog button:focus-visible{outline:3px solid var(--fst-blue);outline-offset:3px}