.sm-layout{grid-template-columns:minmax(300px,420px) minmax(0,1fr);align-items:start;gap:clamp(14px,2vw,24px);display:grid}.sm-input{word-break:break-all;min-height:80px;font-size:.92rem}.sm-input.is-invalid{border-color:#ff5b5b}.sm-error{background:#ff5b5b14;border-left:3px solid #ff5b5b;border-radius:6px;gap:6px;margin:0;padding:10px 12px;font-size:.84rem;display:grid}.sm-error code{font-family:var(--font-mono);word-break:break-all;color:var(--muted);font-size:.8rem}.sm-error mark{color:#fff;background:#ff5b5b;border-radius:2px;padding:0 1px}.sm-palette{grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:5px;display:grid}.sm-palette button{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);min-height:36px;color:var(--paper);font-family:var(--font-mono);cursor:pointer;font-size:.78rem;transition:border-color .15s,background .15s}.sm-palette button:hover{border-color:var(--orange);background:rgba(var(--accent-rgb),.08)}.sm-cheat{gap:6px;margin:0;display:grid}.sm-cheat div{grid-template-columns:112px 1fr;gap:10px;font-size:.8rem;display:grid}.sm-cheat dt{font-family:var(--font-mono);color:var(--orange)}.sm-cheat dd{color:var(--muted);margin:0}.sm-canvas{border-radius:var(--r-md);min-height:380px;box-shadow:inset 0 0 0 1px var(--line);place-items:center;display:grid;overflow:hidden}.sm-canvas svg{width:100%;height:auto;max-height:520px;display:block}.sm-canvas svg.is-hidden{display:none}.sm-canvas .ak-empty{width:calc(100% - 40px);margin:20px}.sm-formula{font-family:var(--font-display);letter-spacing:-.01em;text-transform:none}.sm-formula sub,.sm-formula sup{font-size:.6em}.sm-composition{gap:8px;display:grid}.sm-composition>div{border-radius:var(--r-sm);background:#0003;grid-template-columns:36px 1fr auto;align-items:center;gap:10px;padding:8px 12px;display:grid;position:relative;overflow:hidden}.sm-composition b{font-family:var(--font-display);font-size:1.05rem;position:relative}.sm-composition span{color:var(--muted);font-size:.82rem;position:relative}.sm-composition i{background:rgba(var(--accent-rgb),.14);position:absolute;inset:0 auto 0 0}.sm-composition em{font-size:.8rem;font-style:normal;position:relative}@media (max-width:1000px){.sm-layout{grid-template-columns:1fr}}