.underline{left:0;right:0;bottom:calc(-1 * var(--underline-gap));height:var(--underline-weight);transform-origin:50%;transition:transform var(--duration-fast) var(--ease);pointer-events:none;background:currentColor;position:absolute;transform:scaleX(0)}.underline.is-active{transform:scaleX(1)}.underlined{display:inline-block;position:relative}[data-underline-hover]:hover .underline,[data-underline-hover]:focus-visible .underline{transform:scaleX(1)}.btn{min-height:44px;color:var(--foreground);font-family:var(--font-sans);text-transform:uppercase;letter-spacing:var(--tracking-wider);white-space:nowrap;cursor:pointer;transition:color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;font-weight:600;line-height:1;text-decoration:none;display:inline-flex;position:relative}.btn:active{transform:translateY(1px)}.btn:disabled,.btn[aria-disabled=true]{cursor:not-allowed;opacity:.5}.btn.btn-loading{cursor:progress;opacity:1}.btn-progress{position:absolute;bottom:-1px;left:0;right:0}.btn-sm{padding-block:var(--space-2);padding-inline:var(--space-4);gap:var(--space-2);font-size:var(--text-xs)}.btn-md{padding-block:var(--space-3);padding-inline:var(--space-4);font-size:var(--text-sm);gap:10px}.btn-lg{padding-block:var(--space-4);padding-inline:var(--space-4);gap:var(--space-3);font-size:var(--text-base)}.btn-full{width:100%}.btn-icon{transition:transform var(--duration-fast) var(--ease);display:inline-flex}.btn:hover .btn-icon{transform:translate(4px)}.btn-icon-slot{justify-content:center;align-items:center;display:inline-flex}.btn-icon-only{width:var(--control-h);height:var(--control-h);min-height:var(--control-h);flex-shrink:0;padding:0}.btn-icon-only.btn-sm{width:44px;height:44px;min-height:44px}.btn-icon-only:hover .btn-icon,.btn-icon-only:hover .btn-icon-slot{transform:none}.btn-primary{color:var(--accent);padding-inline:0}.btn-sm.btn-primary{padding-inline:var(--space-4)}.btn-outline{min-height:var(--control-h);padding-inline:var(--space-6);border-color:var(--foreground);color:var(--foreground)}.btn-outline.btn-sm{min-height:var(--control-h-sm)}.btn-outline:hover{background:var(--foreground);color:var(--background)}.btn-icon-only.btn-outline{border-color:var(--border);color:var(--muted-foreground);padding:0}.btn-icon-only.btn-outline:hover{border-color:var(--foreground);color:var(--foreground);background:0 0}.btn-ghost{color:var(--muted-foreground)}.btn-ghost:hover{color:var(--foreground)}.btn-icon-only.btn-ghost:hover{color:var(--accent)}.btn-inverted{padding-inline:var(--space-6);border-color:var(--background);color:var(--background)}.btn-inverted:hover{background:var(--background);color:var(--foreground)}.btn-selected,.btn-ghost.btn-selected{color:var(--foreground)}.btn-primary.btn-selected{color:var(--accent)}