.btn-v2{appearance:none;border:1px solid transparent;background:none;font:inherit;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;position:relative;font-family:var(--font-body);font-weight:500;letter-spacing:.005em;line-height:1;border-radius:var(--radius-sm);padding:12px 22px;min-height:44px;transition:background var(--dur-fast) var(--ease-out-soft),color var(--dur-fast) var(--ease-out-soft),border-color var(--dur-fast) var(--ease-out-soft),box-shadow var(--dur-fast) var(--ease-out-soft),transform var(--dur-base) var(--ease-spring);will-change:transform}.btn-v2.btn-sm{padding:8px 16px;min-height:36px;font-size:14px}.btn-v2.btn-md{padding:12px 22px;font-size:16px}.btn-v2.btn-lg{padding:16px 32px;font-size:18px;min-height:56px}.btn-v2.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}.btn-v2.btn-primary:hover:not(:disabled):not([aria-disabled=true]){background:var(--accent-hover);box-shadow:var(--shadow-2);transform:translateY(-1px)}.btn-v2.btn-primary:active{transform:scale(.985);box-shadow:var(--shadow-press)}.btn-v2.btn-secondary{background:var(--brand);color:var(--fg-inverse);box-shadow:var(--shadow-1)}.btn-v2.btn-secondary:hover:not(:disabled):not([aria-disabled=true]){background:#083c5b;box-shadow:var(--shadow-2);transform:translateY(-1px)}:root[data-theme=dark] .btn-v2.btn-secondary:hover:not(:disabled):not([aria-disabled=true]){background:#7ec9ec}.btn-v2.btn-secondary:active{transform:scale(.985)}.btn-v2.btn-ghost{background:transparent;color:var(--brand);border-color:var(--border-strong)}.btn-v2.btn-ghost:hover:not(:disabled):not([aria-disabled=true]){background:#0a4a6e0d;border-color:var(--brand)}:root[data-theme=dark] .btn-v2.btn-ghost{color:var(--heading);border-color:#ffffff52}:root[data-theme=dark] .btn-v2.btn-ghost:hover:not(:disabled):not([aria-disabled=true]){background:#ffffff14;border-color:var(--heading);color:var(--heading)}.btn-v2.btn-ghost:active{transform:scale(.985)}.btn-v2.btn-link{background:transparent;color:var(--link);padding:4px 0;min-height:auto;border-radius:0;border-bottom:1px solid transparent}.btn-v2.btn-link:hover:not(:disabled):not([aria-disabled=true]){color:var(--link-hover);border-bottom-color:var(--link-hover)}.btn-v2:disabled,.btn-v2[aria-disabled=true]{opacity:.45;cursor:not-allowed;transform:none!important}.btn-v2.is-loading .btn-label{visibility:hidden}.btn-v2.is-loading .btn-spinner{position:absolute;inset:0;margin:auto;width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:btn-spin .7s linear infinite}@keyframes btn-spin{to{transform:rotate(360deg)}}.btn-v2 .btn-content{display:inline-flex;align-items:center;gap:8px}.btn-v2 svg{width:1em;height:1em;flex-shrink:0;stroke:currentColor}