:root{--sh-bg: #fbfaf5;--sh-fg: #1a1611;--sh-muted: #6b6359;--sh-line: #e5dfd0;--sh-card: #ffffff;--sh-accent: #4850c4;--sh-accent-soft: #e3e5fa;--sh-danger: #b91c1c;--sh-danger-soft: #fde2e2}:root[data-theme=dark]{--sh-bg: #0e0c08;--sh-fg: #f1ece0;--sh-muted: #9c9485;--sh-line: #2a2620;--sh-card: #16130d;--sh-accent: #7078e0;--sh-accent-soft: #1d1f3a;--sh-danger: #ef4444;--sh-danger-soft: #3b1818}body{background:var(--sh-bg);color:var(--sh-fg)}.sh-page{max-width:820px;margin:0 auto;padding:0 24px 96px}.sh-mono{font-family:JetBrains Mono,monospace}.sh-muted{color:var(--sh-muted);font-size:13px}.sh-topbar{border-bottom:1px solid var(--sh-line);padding:18px 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dd{color:var(--sh-muted);line-height:1.55;margin:0}.sh-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--sh-fg);color:var(--sh-bg);padding:10px 18px;border-radius:999px;font-size:14px;box-shadow:0 4px 16px #0000002e;z-index:60}.sh-toast[hidden]{display:none!important}@media(max-width:640px){.sh-options{flex-direction:column;align-items:stretch;gap:14px}.sh-encrypt-row{flex-direction:column;align-items:stretch}}