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h2{font-size:clamp(24px,2.7vw,32px);font-weight:600;letter-spacing:-.025em;line-height:1.16}.stack-hint{color:var(--text-secondary);font-size:14px;line-height:1.65;margin:12px 0 25px}.stack-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stack-option{display:flex;align-items:flex-start;position:relative;gap:12px;padding:19px 30px 19px 16px;border:1px solid var(--stack-line);border-radius:11px;cursor:pointer;min-width:0;transition:background .18s,border-color .18s}.stack-option:hover,.stack-option.is-selected{border-color:var(--accent-primary);background:var(--stack-tint)}.stack-option input{position:absolute;opacity:0;width:1px;height:1px}.stack-option:focus-within{outline:2px solid var(--accent-primary);outline-offset:3px}.stack-option-icon{flex-shrink:0;color:var(--text-secondary);margin-top:1px}.stack-option.is-selected .stack-option-icon{color:var(--stack-accent)}.stack-option strong{display:block;font-size:14px;line-height:1.35;font-weight:600}.stack-option span 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var(--accent-active)}.stack-primary:hover{background:var(--accent-deep)}.stack-primary:disabled{background:var(--bg-tertiary);color:var(--text-secondary);border-color:var(--stack-line);cursor:not-allowed}.stack-secondary{border:1px solid var(--border-accent);color:var(--stack-accent);background:var(--stack-tint)}.stack-secondary:hover{border-color:var(--accent-primary)}.stack-text-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;gap:7px;font-size:12px;color:var(--text-secondary)}.stack-text-button:hover{color:var(--stack-accent)}.stack-text-button:disabled{opacity:.45;cursor:default}.stack-page :is(button,a,summary,input,select):focus-visible,.stack-finder-link:focus-visible,.pack-opportunities button:focus-visible{outline:2px solid var(--accent-primary);outline-offset:4px}.stack-page h2:focus{outline:none}.stack-preview{padding:26px 22px;background:var(--bg-secondary);border:1px solid 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