Extract Button primitive, migrate all call sites

Variants primary/accent/ghost/done with scoped styles.
Disabled handling unified; block/size/style props cover
login stretch, done-lg, save-check positioning.
Delete btn-* globals and dead page overrides.

1 files changed, 0 insertions, 86 deletions

diff --git a/src/app.css b/src/app.css
index b219650..87817bd 100644
--- a/src/app.css
+++ b/src/app.css
@@ -206,49 +206,6 @@
 	box-shadow: 0 0 0 3px var(--shadow-accent-focus);
 }
 
-/* Buttons */
-.btn-primary {
-	padding: 0.75rem 1.5rem;
-	border: none;
-	border-radius: 0.75rem;
-	background: var(--accent);
-	color: var(--white);
-	font-size: 0.9375rem;
-	font-weight: 500;
-	align-self: flex-start;
-	cursor: pointer;
-	transition: all 0.2s ease;
-	box-shadow: 0 1px 2px var(--shadow);
-}
-
-.btn-primary:hover {
-	background: var(--accent-hover);
-	transform: translateY(-1px);
-	box-shadow: 0 4px 8px var(--shadow-accent-lg);
-}
-
-.btn-ghost {
-	flex-shrink: 0;
-	width: 2rem;
-	aspect-ratio: 1;
-	padding: 0;
-	border: none;
-	border-radius: 0.625rem;
-	background: transparent;
-	color: var(--text-secondary);
-	font-size: 1.25rem;
-	display: flex;
-	align-items: center;
-	justify-content: center;
-	cursor: pointer;
-	transition: all 0.2s ease;
-}
-
-.btn-ghost:hover {
-	background: var(--danger-hover-bg);
-	color: var(--danger);
-}
-
 .score {
 	flex-shrink: 0;
 	min-width: 2.75rem;
@@ -296,32 +253,6 @@
 	min-width: 0;
 }
 
-.btn-accent {
-	width: 3rem;
-	height: 3rem;
-	flex-shrink: 0;
-	padding: 0;
-	border: none;
-	border-radius: 0.75rem;
-	background: var(--accent);
-	color: var(--white);
-	font-size: 1.25rem;
-	font-weight: 500;
-	font-family: inherit;
-	cursor: pointer;
-	display: flex;
-	align-items: center;
-	justify-content: center;
-	transition: all 0.2s ease;
-	box-shadow: 0 1px 2px var(--shadow);
-}
-
-.btn-accent:hover {
-	background: var(--accent-hover);
-	transform: translateY(-1px);
-	box-shadow: 0 4px 8px var(--shadow-accent-lg);
-}
-
 .status {
 	flex-shrink: 0;
 	display: inline-flex;
@@ -378,20 +309,3 @@
 	visibility: visible;
 	opacity: 1;
 }
-
-.btn-done {
-	flex-shrink: 0;
-	padding: 0.5rem 0.875rem;
-	border: none;
-	border-radius: 0.625rem;
-	background: var(--success);
-	color: var(--white);
-	font-size: 0.875rem;
-	font-weight: 500;
-	transition: all 0.2s ease;
-}
-
-.btn-done:hover {
-	filter: brightness(1.05);
-	transform: translateY(-1px);
-}