Set amount step to 0.00000001 for BTC (1 for sats)

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/app.js b/src/app.js
index 4f759bc..208af57 100644
--- a/src/app.js
+++ b/src/app.js
@@ -626,7 +626,8 @@ function sendForm() {
         'div',
         { class: 'input-group' },
         h('input', {
-          type: 'number', step: 'any', min: '0', placeholder: s.unit === 'sats' ? '0' : '0.00000000',
+          type: 'number', step: s.unit === 'sats' ? '1' : '0.00000001', min: '0',
+          placeholder: s.unit === 'sats' ? '0' : '0.00000000',
           disabled: s.max,
           value: s.max
             ? (s.unit === 'sats' ? String(estimatedMaxSats()) : fmtBtc(estimatedMaxSats()))