.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-sans);font-weight:500;border:2px solid transparent;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease,opacity .15s ease;white-space:nowrap;text-decoration:none;position:relative}.btn--sm{font-size:.75rem;padding:.375rem .75rem}.btn--md{font-size:.875rem;padding:.5rem 1rem}.btn--lg{font-size:1rem;padding:.75rem 1.5rem}.btn--rounded{border-radius:.375rem}.btn--pill{border-radius:999px}.btn--primary{background:var(--color-text);color:var(--color-bg);border-color:var(--color-text)}.btn--primary:hover:not(:disabled){background:var(--color-text-2);border-color:var(--color-text-2)}.btn--primary:active:not(:disabled){background:var(--color-text-3);border-color:var(--color-text-3)}.btn--primary:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn--primary:disabled{opacity:.4;cursor:not-allowed}.btn--loading{cursor:wait}.btn__spinner{width:1em;height:1em;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:btn-spin .6s linear infinite;flex-shrink:0}@keyframes btn-spin{to{transform:rotate(360deg)}}.btn__icon{display:inline-flex;align-items:center;flex-shrink:0}.btn__icon svg{width:1em;height:1em}.lab{min-height:100vh;background:var(--bg);color:var(--tx);font-family:var(--font-sans, system-ui);padding:2rem}.lab__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:3rem;padding-bottom:1rem;border-bottom:1px solid var(--ui)}.lab__header h1{font-size:1.25rem;font-weight:600;margin:0}.lab__main{display:flex;flex-direction:column;gap:3rem}.lab__empty{color:var(--tx3);font-size:.875rem}