12 files changed, 193 insertions, 8 deletions
diff --git a/src/components/Button.css b/src/components/Button.css
index 210d131..595f053 100644
--- a/src/components/Button.css
+++ b/src/components/Button.css
@@ -2,7 +2,7 @@
 	:scope {
 		width: 100%;
 		min-width: fit-content;
-		height: 3rem;
+		height: var(--button-height, 2.5rem);
 		padding: 0 1rem;
 
 		/* Necessary for <a> */
@@ -26,6 +26,7 @@
 
 		&:focus {
 			outline: 2px solid var(--primary);
+			outline-offset: -2px;
 			border-color: var(--base);
 			background-color: var(--button-focus, var(--button-base));
 			color: var(--button-focus-text, var(--button-text));
diff --git a/src/components/ButtonMenu.css b/src/components/ButtonMenu.css
new file mode 100644
index 0000000..c454849
--- /dev/null
+++ b/src/components/ButtonMenu.css
@@ -0,0 +1,33 @@
+@scope (.__ButtonMenu) {
+	:scope {
+		> button {
+			position: relative;
+			padding-left: 2.5rem;
+			
+			&::before {
+				content: '';
+				width: 1rem;
+				height: 1rem;
+				left: 0.75rem;
+				position: absolute;
+				background: url('../icons/chevron-right.svg');
+				background-position: left 2px center;
+				background-repeat: no-repeat;
+				transition: transform 0.2s;
+			}
+			&:has(+ :popover-open)::before {
+				transform: rotate(90deg);
+			}
+		}
+
+		[popover] {
+			inset: unset;
+			top: 0;
+			left: var(--anchor-x);
+
+			&:popover-open {
+				top: var(--anchor-y);
+			}
+		}
+	}
+}
+\ No newline at end of file
diff --git a/src/components/ButtonMenu.tsx b/src/components/ButtonMenu.tsx
new file mode 100644
index 0000000..6a2b73e
--- /dev/null
+++ b/src/components/ButtonMenu.tsx
@@ -0,0 +1,42 @@
+import type { ComponentChildren } from 'preact';
+import { useEffect, useRef, useId } from 'preact/hooks';
+import { useSignal, batch } from '@preact/signals';
+import Button from './Button.tsx';
+import Menu from './Menu.tsx';
+import './ButtonMenu.css';
+
+export interface ButtonMenuProps {
+	children: ComponentChildren;
+	label: string;
+}
+
+const ButtonMenu = ({ children, label }: ButtonMenuProps) => {
+	const id = useId();
+	const ref = useRef(null);
+	const x = useSignal(0);
+	const y = useSignal(0);
+
+	const updateRect = () => batch(() => {
+		const rect = ref.current?.getBoundingClientRect();
+		if (!rect) return;
+		x.value = rect.x;
+		y.value = rect.y + rect.height + 1;
+	});
+	useEffect(updateRect, [ref.current]);
+
+	return (
+		<div
+			class="__ButtonMenu"
+			ref={ref}
+			onScroll={updateRect}
+			style={`--anchor-x: ${x}px; --anchor-y: ${y}px;`}
+		>
+			<Button kind="ghost" popoverTarget={id}>{label}</Button>
+			<Menu id={id} popover="auto">
+				{children}
+			</Menu>
+		</div>
+	);
+};
+
+export default ButtonMenu;
diff --git a/src/components/ContainedList.css b/src/components/ContainedList.css
index 97c98cc..4cdf2f5 100644
--- a/src/components/ContainedList.css
+++ b/src/components/ContainedList.css
@@ -12,6 +12,7 @@
 				border-bottom: var(--border);
 			}
 			height: 3rem;
+			--button-height: 100%;
 			display: flex;
 			> * {
 				flex-grow: 1;
diff --git a/src/components/Menu.css b/src/components/Menu.css
new file mode 100644
index 0000000..b999704
--- /dev/null
+++ b/src/components/Menu.css
@@ -0,0 +1,15 @@
+@scope (.__Menu) {
+	:scope {
+		padding: 0;
+		width: 15rem;
+		list-style: none;
+		background-color: var(--surface);
+		border: none; /* popover */
+
+		--shadow-color: 0deg 0% 0%;
+		box-shadow:
+			0.1px 0.4px 0.6px hsl(var(--shadow-color) / 0.04),
+			0.5px 3.3px 4.8px -0.2px hsl(var(--shadow-color) / 0.15),
+			1.4px 10.2px 14.7px -0.5px hsl(var(--shadow-color) / 0.27);
+	}
+}
+\ No newline at end of file
diff --git a/src/components/Menu.tsx b/src/components/Menu.tsx
new file mode 100644
index 0000000..e8d37cc
--- /dev/null
+++ b/src/components/Menu.tsx
@@ -0,0 +1,20 @@
+import type { ComponentChildren } from 'preact';
+import './Menu.css';
+
+export interface MenuProps {
+	children: ComponentChildren;
+	id?: string;
+	popover?: string;
+}
+
+const Menu = ({ id, popover, children }: MenuProps) => {
+	return (
+		<>
+			<menu id={id} class="__Menu" popover={popover}>
+				{children}
+			</menu>
+		</>
+	);
+};
+
+export default Menu;
diff --git a/src/components/MenuItem.css b/src/components/MenuItem.css
new file mode 100644
index 0000000..14a156e
--- /dev/null
+++ b/src/components/MenuItem.css
@@ -0,0 +1,6 @@
+@scope (.__MenuItem) {
+	:scope {
+		--button-height: 2rem;
+		--surface: var(--overlay);
+	}
+}
+\ No newline at end of file
diff --git a/src/components/MenuItem.tsx b/src/components/MenuItem.tsx
new file mode 100644
index 0000000..04c04c7
--- /dev/null
+++ b/src/components/MenuItem.tsx
@@ -0,0 +1,17 @@
+import Button from './Button.tsx';
+import './MenuItem.css';
+
+export interface MenuItemProps {
+	label: string;
+	onClick?: (event: PointerEvent) => void;
+}
+
+const MenuItem = ({ label, onClick }: MenuItemProps) => {
+	return (
+		<li class="__MenuItem">
+			<Button kind="ghost" onClick={onClick}>{label}</Button>
+		</li>
+	);
+};
+
+export default MenuItem;
+\ No newline at end of file
diff --git a/src/components/TextInput.css b/src/components/TextInput.css
index bb04415..08ab76b 100644
--- a/src/components/TextInput.css
+++ b/src/components/TextInput.css
@@ -10,8 +10,7 @@
 
 		&:focus {
 			outline: 2px solid var(--primary);
-			border-bottom: none;
-			margin-bottom: 2px;
+			outline-offset: -2px;
 		}
 	}
 }
 \ No newline at end of file
diff --git a/src/components/Toolbar.css b/src/components/Toolbar.css
new file mode 100644
index 0000000..02477ea
--- /dev/null
+++ b/src/components/Toolbar.css
@@ -0,0 +1,24 @@
+@scope (.__Toolbar) {
+	:scope {
+		> * {
+			flex-grow: 1;
+			display: flex;
+			justify-content: center;
+		}
+		&:first-child, &:last-child { flex-basis: 0 }
+		&:first-child { justify-content: flex-start }
+		&:last-child { justify-content: flex-end }
+
+		.actions {
+			margin: 0;
+			padding: 0;
+			list-style: none;
+			display: flex;
+		}
+
+		.title {
+			font-size: 1.5rem;
+			width: fit-content;
+		}
+	}
+}
+\ No newline at end of file
diff --git a/src/components/Toolbar.tsx b/src/components/Toolbar.tsx
new file mode 100644
index 0000000..1c985c1
--- /dev/null
+++ b/src/components/Toolbar.tsx
@@ -0,0 +1,23 @@
+import type { ComponentChildren } from 'preact';
+import Header from './Header.tsx';
+import Button from './Button.tsx';
+import './Toolbar.css';
+
+export interface ToolbarProps {
+	children: ComponentChildren;
+	title: string;
+}
+
+const Toolbar = ({ children, title }: ToolbarProps) => {
+	return (
+		<Header class="__Toolbar">
+			<menu class="actions">
+				{children}
+			</menu>
+			<Button kind="ghost" class="title">{title}</Button>
+			<div></div>
+		</Header>
+	);
+};
+
+export default Toolbar;
+\ No newline at end of file
diff --git a/src/components/index.ts b/src/components/index.ts
index 1beca4d..c9c3625 100644
--- a/src/components/index.ts
+++ b/src/components/index.ts
@@ -1,8 +1,12 @@
-export { default as Header } from './Header.tsx';
-export { default as TextInput } from './TextInput.tsx';
-export { default as Button } from './Button.tsx';
 export { default as ArrowButton } from './ArrowButton.tsx';
+export { default as Button } from './Button.tsx';
+export { default as ButtonMenu } from './ButtonMenu.tsx';
 export { default as ContainedList } from './ContainedList.tsx';
-export { default as FormLabel } from './FormLabel.tsx';
 export { default as Content } from './Content.tsx';
-export { default as Form } from './Form.tsx';
-\ No newline at end of file
+export { default as Form } from './Form.tsx';
+export { default as FormLabel } from './FormLabel.tsx';
+export { default as Header } from './Header.tsx';
+export { default as Menu } from './Menu.tsx';
+export { default as MenuItem } from './MenuItem.tsx';
+export { default as TextInput } from './TextInput.tsx';
+export { default as Toolbar } from './Toolbar.tsx';