From db503f8c23efd6bf27dc2b4db896666f0619891d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20Cab=C3=A9?= <benjamin@zephyrproject.org>
Date: Thu, 5 Sep 2024 11:56:50 +0200
Subject: [PATCH] doc: css: stick footer at bottom
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Make actual document take all vertical space available so that footer is
always at the bottom, even when the page has very little content.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
---
 doc/_static/css/custom.css | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/doc/_static/css/custom.css b/doc/_static/css/custom.css
index 2473675fa54..5b0bbae4b2d 100644
--- a/doc/_static/css/custom.css
+++ b/doc/_static/css/custom.css
@@ -171,6 +171,8 @@ a.icon-home:visited {
 
 .wy-nav-content {
     background-color: var(--content-background-color);
+    min-height: 100vh;
+    display: flex;
 }
 
 .wy-body-for-nav {
@@ -757,6 +759,9 @@ kbd, .kbd,
         overflow-y: initial;
         max-height: initial;
     }
+    .wy-nav-content {
+        min-height: calc(100dvh - 64px);
+    }
 }
 
 /* Scrollbar styling */
@@ -888,6 +893,19 @@ dark-mode-toggle::part(toggleLabel){
     font-size: 0.9rem;
 }
 
+/* Make actual document take all vertical space available so that footer is always at the bottom */
+
+.rst-content {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    width: 100%;
+}
+
+.document {
+    flex-grow: 1;
+}
+
 /* Custom search box, including search engine selection */
 
 .search-container {