Component Button-Filled · 56h · 16×24 padding · radius --radius-alias-button (4) · label label/large (16/24)
Component Button-Filled · 40h · 10×16 padding · radius 4 · label label/medium (14/20) · icon 20
Every Button exposes boolean properties Leading icon and Trailing icon, independently. Icon Button is the only variant without toggles (the icon is the whole button).
4 types × state matrix · 48×48 hit area (Size=Standard) · 40×40 content · radius --radius-alias-icon-button (4) · icon 24
Large 56×56 · Standard 48×48 · Small 40×40 (content scales 48 / 40 / 32; icon 24 / 24 / 20)
Left slot = Button (any style) · 2px gap · right slot = Icon Button with chevron. The right slot always mirrors the left style: Primary→Filled, Tonal→Tonal, Outlined→Outline, Text→Standard. State=Closed shows ▾, State=Open shows ▴.
Token map · --radius-alias-button: 4px · --radius-alias-icon-button: 4px ·
Primary = --sys-primary / --sys-on-primary ·
Tonal = --sys-secondary-container / --sys-on-secondary-container ·
Outlined = border --sys-outline-variant + label --sys-on-surface-variant ·
state layers 8 / 12 / 16 % on-color · disabled = 10% on-surface fill + 38% content.