From 52747d2db63967bce90849dd8574a8cf34664144 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Parmentier?= <remi@hteumeuleu.fr>
Date: Wed, 14 Aug 2024 17:04:24 +0200
Subject: [PATCH] data: add light-dark function

---
 _features/css-function-light-dark.md | 167 +++++++++++++++++++++++++++
 tests/css-function-light-dark.html   |  61 ++++++++++
 2 files changed, 228 insertions(+)
 create mode 100644 _features/css-function-light-dark.md
 create mode 100644 tests/css-function-light-dark.html

diff --git a/_features/css-function-light-dark.md b/_features/css-function-light-dark.md
new file mode 100644
index 00000000..22a7f7f2
--- /dev/null
+++ b/_features/css-function-light-dark.md
@@ -0,0 +1,167 @@
+---
+title: "light-dark()"
+description: "Enables setting two colors (one for light and the other for dark mode) for a property."
+category: css
+keywords: dark, light
+last_test_date: "2024-08-14"
+test_url: "/tests/css-function-light-dark.html"
+test_results_url: "https://app.emailonacid.com/app/acidtest/Lai13xyIE95H6jo1BBs6ay0f3RvJdPL344S3j3M7FbeU4/list"
+stats: {
+    apple-mail: {
+        macos: {
+            "16.0":"y #1"
+        },
+        ios: {
+            "17.5.1":"y"
+        }
+    },
+    gmail: {
+        desktop-webmail: {
+            "2024-08":"n"
+        },
+        ios: {
+            "2024-08":"n"
+        },
+        android: {
+            "2024-08":"n"
+        },
+        mobile-webmail: {
+            "2024-08":"n"
+        }
+    },
+    orange: {
+        desktop-webmail: {
+            "2024-08":"n"
+        },
+        ios: {
+            "2024-08":"n"
+        },
+        android: {
+            "2024-08":"u"
+        }
+    },
+    outlook: {
+        windows: {
+            "2007":"n",
+            "2010":"n",
+            "2013":"n",
+            "2016":"n",
+            "2019":"n"
+        },
+        windows-mail: {
+            "2024-08":"n"
+        },
+        macos: {
+            "16.88":"n"
+        },
+        outlook-com: {
+            "2024-08":"n"
+        },
+        ios: {
+            "2024-08":"n"
+        },
+        android: {
+            "2024-08":"u"
+        }
+    },
+    samsung-email: {
+        android: {
+            "6.0":"u"
+        }
+    },
+    sfr: {
+        desktop-webmail: {
+            "2024-08":"a #2"
+        },
+        ios: {
+            "2024-08":"a #1 #2"
+        },
+        android: {
+            "2024-08":"u"
+        }
+    },
+    thunderbird: {
+        macos: {
+            "115.10.1":"n",
+            "128.1.0":"y",
+        }
+    },
+    aol: {
+        desktop-webmail: {
+            "2024-08":"n"
+        },
+        ios: {
+            "2024-08":"n"
+        },
+        android: {
+            "2024-08":"u"
+        }
+    },
+    yahoo: {
+        desktop-webmail: {
+            "2024-08":"n"
+        },
+        ios: {
+            "2024-08":"n"
+        },
+        android: {
+            "2024-08":"u"
+        }
+    },
+    protonmail: {
+        desktop-webmail: {
+            "2024-08":"a #2"
+        },
+        ios: {
+            "2024-08":"y #1"
+        },
+        android: {
+            "2024-08":"u"
+        }
+    },
+    hey: {
+        desktop-webmail: {
+            "2024-08":"a #2"
+        }
+    },
+    mail-ru: {
+        desktop-webmail: {
+            "2024-08":"a #2"
+        }
+    },
+    fastmail: {
+        desktop-webmail: {
+            "2024-08": "u"
+        }
+    },
+    laposte: {
+        desktop-webmail: {
+            "2024-08": "a #2"
+        }
+    },
+    free-fr: {
+        desktop-webmail: {
+            "2024-08": "n"
+        }
+    },
+    t-online-de: {
+        desktop-webmail: {
+            "2024-08": "a #2"
+        }
+    },
+    gmx: {
+        desktop-webmail: {
+            "2024-08": "n"
+        },
+    },
+}
+notes_by_num: {
+    "1": "Only supported if you’ve updated your OS with Safari 17.5 or later.",
+    "2": "Buggy. The function is supported but the color stays light even in dark mode.",
+}
+links: {
+    "Can I use: light-dark()":"https://caniuse.com/mdn-css_types_color_light-dark",
+    "MDN: light-dark()":"https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/light-dark",
+    "WebKit Features in Safari 17.5":"https://webkit.org/blog/15383/webkit-features-in-safari-17-5/",
+}
+---
diff --git a/tests/css-function-light-dark.html b/tests/css-function-light-dark.html
new file mode 100644
index 00000000..642524c9
--- /dev/null
+++ b/tests/css-function-light-dark.html
@@ -0,0 +1,61 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
+<head></head>
+<head>
+	<meta charset="UTF-8" />
+	<title>Can I email</title>
+	<meta name="viewport" content="width=device-width, initial-scale=1" />
+	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
+	<meta name="x-apple-disable-message-reformatting" />
+	<meta name="color-scheme" value="light dark" />
+	<meta name="supported-color-schemes" content="light dark" />
+	<!--[if mso]>
+	<xml>
+		<o:OfficeDocumentSettings>
+			<o:PixelsPerInch>96</o:PixelsPerInch>
+		</o:OfficeDocumentSettings>
+	</xml>
+	<![endif]-->
+	<style>
+		:root {
+			color-scheme: light dark;
+		}
+	</style>
+</head>
+<body>
+	<div style="max-width:600px; margin:0 auto;">
+		<h1 style="margin:0 0 1em; font:38px Palatino, serif; color:#000; background:none; border:none;">
+			CSS light-dark() function
+		</h1>
+		<h2 style="margin:0 0 1em; font:bold 16px monospace;">
+			color: light-dark(blue, green);
+		</h2>
+		<div style="font:20px serif; color:red;">
+			<p style="color:light-dark(blue, green);">
+				Named values. Lorem ipsum dolor sit amet consectetur adipisicing elit. Necessitatibus, adipisci! Cum harum quaerat maxime obcaecati ullam est necessitatibus, accusamus vero aperiam eius iusto quas inventore error facere rerum, suscipit earum!
+			</p>
+			<p style="color:light-dark(#00f, #0f0);">
+				Hex values. Lorem ipsum dolor sit amet consectetur adipisicing elit. Necessitatibus, adipisci! Cum harum quaerat maxime obcaecati ullam est necessitatibus, accusamus vero aperiam eius iusto quas inventore error facere rerum, suscipit earum!
+			</p>
+		</div>
+		<h2 style="margin:0 0 1em; font:bold 16px monospace;">
+			background-color: light-dark(blue, green);
+		</h2>
+		<div style="font:20px serif; background-color:red;">
+			<p style="margin:0; background-color:light-dark(blue, green);">
+				Named values. Lorem ipsum dolor sit amet consectetur adipisicing elit. Necessitatibus, adipisci! Cum harum quaerat maxime obcaecati ullam est necessitatibus, accusamus vero aperiam eius iusto quas inventore error facere rerum, suscipit earum!
+			</p>
+			<p style="margin:0; background-color:light-dark(#00f, #0f0);">
+				Hex values. Lorem ipsum dolor sit amet consectetur adipisicing elit. Necessitatibus, adipisci! Cum harum quaerat maxime obcaecati ullam est necessitatibus, accusamus vero aperiam eius iusto quas inventore error facere rerum, suscipit earum!
+			</p>
+		</div>
+		<p style="margin-top:1.6em; font:20px serif;">
+			https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/light-dark<br />
+
+		</p>
+		<p style="margin-top:1.6em; font:20px serif;">
+			<a href="https://www.caniemail.com" style="color:#000; text-decoration:none;">caniemail.com</a>, 2024.
+		</p>
+	</div>
+</body>
+</html>