diff --git a/app/static/style.css b/app/static/style.css
index f28eb61..2eb2ad7 100644
--- a/app/static/style.css
+++ b/app/static/style.css
@@ -59,7 +59,7 @@ input[type="text"] + label, input[type="password"] + label, input[type="datetime
 .nickname-edit input[type="text"] { width: 140px; flex: none; }
 
 /* Buttons */
-.btn { display: inline-flex; align-items: center; justify-content: center; padding: .5rem 1rem; border: 1px solid var(--border); border-radius: 6px; background: #fff; cursor: pointer; font-size: .9rem; text-align: center; white-space: nowrap; text-decoration: none; line-height: 1; }
+.btn { display: inline-flex; align-items: center; justify-content: center; padding: .5rem 1rem; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); cursor: pointer; font-size: .9rem; text-align: center; white-space: nowrap; text-decoration: none; line-height: 1; }
 .btn:hover { background: var(--bg); text-decoration: none; }
 .btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
 .btn-primary:hover { background: var(--primary-hover); }
@@ -146,6 +146,4 @@ code { background: var(--bg); padding: .15rem .4rem; border-radius: 4px; font-si
 @media (max-width: 640px) {
     .detail-grid { grid-template-columns: 1fr; }
     .card-grid { grid-template-columns: 1fr; }
-    .upload-form { flex-direction: column; align-items: stretch; }
-    .upload-form input[type="file"] { max-width: none; }
 }