.level-card:after{background:linear-gradient(135deg, #fff 0 8%, var(--accent) 40%, #0b1220 120%);width:26px;height:28px;box-shadow:none;border:0;border-radius:0;bottom:30px;right:26px;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 26'%3E%3Cpath d='M4 1c0 8 16 8 16 12S4 19 4 25M20 1c0 8-16 8-16 12s16 6 16 12' fill='none' stroke='black' stroke-width='3' stroke-linecap='round'/%3E%3Cpath d='M7 6h10M6 13h12M7 20h10' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 26'%3E%3Cpath d='M4 1c0 8 16 8 16 12S4 19 4 25M20 1c0 8-16 8-16 12s16 6 16 12' fill='none' stroke='black' stroke-width='3' stroke-linecap='round'/%3E%3Cpath d='M7 6h10M6 13h12M7 20h10' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") 50%/contain no-repeat}.dna-title .brand{color:#a5f3fc}.dna-title .title-hero span{background:linear-gradient(90deg,#67e8f9,#a78bfa 55%,#34d399);-webkit-background-clip:text;background-clip:text}.ex-figure{background:#0b1220;border-color:#1e293b}.note-diagram:has(svg.example-art){background:#0b1220;border-color:#1e293b;padding:0;overflow:hidden}.dna .db-pad{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.dna .db-btn{border:2px solid var(--c,var(--line));min-width:0;min-height:46px;color:var(--ink);text-align:center;cursor:pointer;touch-action:manipulation;background:#fff;border-radius:14px;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;gap:1px;padding:6px 8px;font-size:14px;font-weight:800;line-height:1.12;transition:transform 80ms,background .15s,border-color .15s;display:inline-flex;position:relative}.dna .db-btn .db-label{font-size:15px}.dna .db-btn .db-sub{opacity:.72;font-size:11px;font-weight:700}.dna .db-btn kbd{font-family:var(--font);opacity:.75;border:1px solid #0f172a40;border-radius:5px;padding:0 4px;font-size:9px;font-weight:700;position:absolute;top:3px;right:4px}@media (hover:none){.dna .db-btn kbd{display:none}}.dna .db-btn:active:not(:disabled),.dna .db-btn[data-down]{transform:translateY(2px)scale(.98)}.dna .db-btn:disabled{opacity:.45;cursor:default}.dna .db-btn.on,.dna .db-btn[aria-pressed=true]{background:#fef3c7;border-color:#f59e0b;box-shadow:0 0 0 3px #f59e0b4d}.dna .db-btn[data-down]{background:#e0f2fe;border-color:#38bdf8}.dna .db-btn sup{font-size:.68em;line-height:0}.dna .base-pad .db-btn{min-height:54px}.dna .base-pad .db-label{font-family:var(--display);font-size:22px}.dna .step-pad .db-label,.dna .count-pad .db-label{font-family:var(--display);font-size:19px}.dna .sort-pad .db-btn,.dna .switch-pad .db-btn,.dna .effect-pad .db-btn,.dna .twofork-pad .db-btn,.dna .lag-pad .db-btn,.dna .process-pad .db-btn{min-height:52px}.dna .switch-pad .db-label,.dna .effect-pad .db-label{font-size:12.5px}.dna .effect-pad .db-sub,.dna .switch-pad .db-sub{font-size:10.5px}.dna .geno-pad .db-label{font-family:var(--display);font-size:20px}.dna .twofork-pad .db-btn:first-child{flex:1.3 1 0}.dna .launch[data-hold][data-down]{box-shadow:0 1px 0 var(--accent-deep);background:linear-gradient(#fdba74,#f97316);transform:translateY(5px)}.dna .launch[hidden]{display:none}.dna .choices{grid-template-columns:1fr;gap:6px}.dna .choice{padding:7px 10px;font-size:13.5px}@media (width>=900px){.dna .choices{grid-template-columns:repeat(2,1fr)}}.dna .lab-wrap{gap:6px;display:grid}.dna .lab-tabs .db-btn{min-height:38px;padding:2px 6px}.dna .lab-pad .db-btn{min-height:42px;padding:4px 8px}.dna .lab-pad .db-label{font-size:14px}.dna[data-side-dock] .switch-pad,.dna[data-side-dock] .effect-pad{grid-template-columns:1fr 1fr;display:grid}.dna .switch-pad .db-label,.dna .effect-pad .db-label{overflow-wrap:anywhere}