feat: dark mode

components/CalendarExportModal/CalendarExportModal.tsx

@@ -138,7 +138,7 @@ const CalendarExportModal = ({
       >
         <Fade in={isOpen} timeout={400}>
           <Box
-            className="absolute left-1/2 top-1/2 h-fit w-full -translate-x-1/2 -translate-y-1/2 transform overflow-y-auto rounded-2xl border bg-white p-6 text-center shadow-xl sm:w-96"
+            className="absolute left-1/2 top-1/2 h-fit w-full -translate-x-1/2 -translate-y-1/2 transform overflow-y-auto rounded-2xl border dark:border-neutral-400/20 bg-white dark:bg-neutral-800 p-6 text-center shadow-xl sm:w-96"
             style={{
               maxHeight: "calc(100% - 4rem)",
               maxWidth: "calc(100% - 4rem)",
@@ -167,7 +167,7 @@ const CalendarExportModal = ({
                           className="relative flex flex-grow items-stretch focus-within:z-10"
                           style={{ width: "calc(100% - 38px)" }}
                         >
-                          <div className="block w-full rounded-none rounded-l-lg border-0 py-1.5  ring-1 ring-inset ring-gray-300 focus:ring-2 focus:ring-inset focus:ring-cesium-900 sm:text-sm sm:leading-6">
+                          <div className="block w-full rounded-none rounded-l-lg border-0 py-1.5  ring-1 ring-inset ring-neutral-300 dark:ring-neutral-400/30 focus:ring-2 focus:ring-inset focus:ring-cesium-900 sm:text-sm sm:leading-6">
                             <div className="mx-2 overflow-y-hidden overflow-x-scroll whitespace-nowrap text-start">
                               {URL}
                             </div>
@@ -176,7 +176,7 @@ const CalendarExportModal = ({
                         <button
                           type="button"
                           title={isCopied ? "Copied" : "Copy"}
-                          className="relative -ml-px inline-flex w-[38px] place-content-center items-center gap-x-1.5 rounded-r-lg px-3 py-2 text-sm font-semibold  ring-1 ring-inset ring-gray-300 hover:bg-gray-50"
+                          className="relative -ml-px inline-flex w-[38px] place-content-center items-center gap-x-1.5 rounded-r-lg px-3 py-2 text-sm font-semibold  ring-1 ring-inset ring-neutral-300 dark:ring-neutral-400/30 dark:hover:bg-neutral-400/10 hover:bg-neutral-50"
                           onClick={copyToClipboard}
                         >
                           {isCopied ? (
@@ -188,7 +188,7 @@ const CalendarExportModal = ({
                       </div>
                     </div>
                   </span>
-                  <Collapse className="w-full rounded-lg border-gray-300 bg-white text-left font-display shadow-sm">
+                  <Collapse className="w-full rounded-lg border-neutral-300 bg-white dark:border-neutral-400/30 text-left font-display shadow-sm">
                     <Collapse.Panel header="How does it work?" key="1">
                       <div className="text-justify">
                         <p>
@@ -234,7 +234,7 @@ const CalendarExportModal = ({
                   </Collapse>
                   <Collapse
                     accordion
-                    className="w-full rounded-lg border-gray-300 bg-white text-left font-display shadow-sm"
+                    className="w-full rounded-lg border-neutral-300 bg-white text-left font-display shadow-sm"
                   >
                     <Collapse.Panel header="Google Calendar" key="1">
                       <div className="">
@@ -341,7 +341,7 @@ const CalendarExportModal = ({
                       </div>
                     </Collapse.Panel>
                   </Collapse>
-                  <div className="cursor-pointer select-none text-sm text-gray-500">
+                  <div className="cursor-pointer select-none text-sm text-neutral-500 dark:text-neutral-400">
                     {isHome ? (
                       <div title="To export your schedule please go to /schedule.">
                         <i className="bi bi-info-circle-fill"></i> Currently
@@ -356,7 +356,7 @@ const CalendarExportModal = ({
                     )}
                   </div>
 
-                  <div className="cursor-pointer select-none text-sm text-gray-500">
+                  <div className="cursor-pointer select-none text-sm text-neutral-500 dark:text-neutral-400">
                     <i className="bi bi-lightbulb"></i> You can also{" "}
                     <a className="font-medium text-blue-400" href={URL}>
                       download as .ics file

components/ClearScheduleButton/ClearScheduleButton.tsx

@@ -27,7 +27,7 @@ const ClearScheduleButton = ({
       disabled={isSettings}
     >
       <button
-        className={`h-10 w-10 rounded-xl p-2 font-medium leading-3 text-error/50 shadow-md ring-1 ring-zinc-200/50 transition-all duration-300 hover:text-error hover:shadow-lg focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600 ${
+        className={`h-10 w-10 rounded-xl p-2 font-medium leading-3 text-error/50 dark:text-red-400/60 shadow-md ring-1 ring-neutral-200/50 dark:ring-neutral-400/20 transition-all duration-300 hover:text-error hover:shadow-lg focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600 dark:bg-neutral-800/70 ${
           isSettings && "cursor-not-allowed hover:text-error/50"
         }`}
         type="button"

components/DarkModeToggler/DarkModeToggler.tsx

@@ -0,0 +1,31 @@
+import { Switch } from '@headlessui/react'
+import {useTheme} from 'next-themes';
+
+function classNames(...classes) {
+    return classes.filter(Boolean).join(' ')
+  }
+
+const DarkModeToggler = () => {
+    const {theme, setTheme} = useTheme();
+
+    return (
+        <div>
+            <label className="block text-sm font-medium leading-6">
+                Appearance
+            </label>
+            <select
+                id="theme"
+                name="theme"
+                className="mt-2 block w-full rounded-md border-0 py-1.5 pl-3 pr-10  ring-1 ring-inset ring-neutral-300 dark:ring-neutral-400/20 focus:ring-2 focus:ring-cesium-900 dark:bg-neutral-800"
+                value={theme === "light" ? "Light" : theme === "dark" ? "Dark" : "Follow System"}
+                onChange={(e) => setTheme(e.target.value === "Light" ? "light" : e.target.value === "Dark" ? "dark" : "system")}
+                >
+                    <option>Follow System</option>
+                    <option>Dark</option>
+                    <option>Light</option>                
+            </select>
+        </div>
+    )
+}
+
+export default DarkModeToggler;

components/DarkModeToggler/index.ts

@@ -0,0 +1 @@
+export { default } from './DarkModeToggler';

components/EventModal/EventModal.tsx

@@ -59,11 +59,11 @@ function EventModal({
       >
         <Fade in={inspectEvent} timeout={400}>
           <Box
-            className="absolute left-1/2 top-1/2 h-fit w-fit min-w-[18rem] max-w-full -translate-x-1/2 -translate-y-1/2 transform rounded-2xl border border-zinc-200 bg-white p-6 text-center shadow-xl"
+            className="absolute left-1/2 top-1/2 h-fit w-fit min-w-[18rem] max-w-full -translate-x-1/2 -translate-y-1/2 transform rounded-2xl border border-neutral-200 bg-white dark:bg-neutral-800 dark:border-neutral-400/20 p-6 text-center shadow-xl"
             style={{ maxWidth: "calc(100% - 4rem)" }}
           >
             <div className="space-y-4 font-display">
-              <div className="m-auto w-fit border-b pb-4">
+              <div className="m-auto w-fit border-b dark:border-neutral-400/30 pb-4">
                 <span id="modal-modal-title" className="text-xl font-medium">
                   {selectedEvent.title}
                 </span>

components/ExportButton/ExportButton.tsx

@@ -32,13 +32,13 @@ const ExportButton = ({ exportPDF, isHome, filters }: ExportButtonProps) => {
           leaveFrom="transform opacity-100 scale-100"
           leaveTo="transform opacity-0 scale-95"
         >
-          <Menu.Items className="absolute right-0 z-10 mt-2 w-fit origin-top-right overflow-hidden rounded-xl bg-white font-medium text-cesium-900 shadow-lg ring-1 ring-black ring-opacity-5 focus:outline-none">
+          <Menu.Items className="absolute right-0 z-10 mt-2 w-fit origin-top-right overflow-hidden rounded-xl bg-white dark:bg-neutral-800 font-medium text-cesium-900 dark:text-cesium-600 shadow-lg ring-1 ring-black  dark:ring-white/20 ring-opacity-5 focus:outline-none">
             <div className="grid grid-cols-1 py-1">
               <Menu.Item>
                 {({ active }) => (
                   <button
                     className={`${
-                      active && "bg-cesium-100"
+                      active && "bg-cesium-100 dark:bg-neutral-100/10"
                     } 'block text-sm' px-4 py-2`}
                     title="Add your events to your favorite calendar app."
                     onClick={() => setIsModalOpen(true)}
@@ -54,7 +54,7 @@ const ExportButton = ({ exportPDF, isHome, filters }: ExportButtonProps) => {
                 {({ active }) => (
                   <button
                     className={`${
-                      active && "bg-cesium-100"
+                      active && "bg-cesium-100 dark:bg-neutral-100/10"
                     } 'block text-sm' px-4 py-2`}
                     onClick={() => exportPDF()}
                   >

components/FilterBlock/FilterBlock.tsx

@@ -277,9 +277,9 @@ const FilterBlock = ({
   };
 
   return (
-    <div className="select-none rounded-xl ring-1 ring-zinc-100/50">
+    <div className="select-none rounded-xl ring-1 ring-neutral-100/50 dark:ring-neutral-400/20">
       <Collapse
-        className="w-full rounded-xl bg-white font-display font-medium shadow-default"
+        className="w-full rounded-xl bg-white dark:bg-neutral-800/70 font-display font-medium shadow-default"
         bordered={false}
         accordion
       >
@@ -292,7 +292,7 @@ const FilterBlock = ({
               />
               <Collapse.Panel header={item1} key={item1 + "Panel"}>
                 <Collapse
-                  className="bg-white font-display font-medium"
+                  className="bg-white dark:bg-inherit font-display font-medium"
                   bordered={false}
                   accordion
                   key={item1 + "Collapse"}
@@ -310,7 +310,7 @@ const FilterBlock = ({
                           key={item1 + item2 + "Panel"}
                         >
                           <Collapse
-                            className="bg-white font-display font-normal"
+                            className="bg-white dark:bg-inherit font-display font-normal"
                             bordered={false}
                             accordion
                             key={item1 + item2 + "Collapse"}

components/Install/Install.tsx

@@ -14,7 +14,7 @@ const Install = () => {
       </label>
       <button
         onClick={() => setIsModalOpen(true)}
-        className="mt-2 rounded-lg bg-cesium-100 p-2 font-medium text-cesium-900 shadow-sm transition-colors hover:bg-cesium-200"
+        className="mt-2 rounded-lg bg-cesium-100 dark:bg-cesium-700/20 dark:hover:bg-cesium-700/30 p-2 font-medium text-cesium-900 shadow-sm transition-colors hover:bg-cesium-200"
       >
         Install <i className="bi bi-download" />
       </button>
@@ -28,7 +28,7 @@ const Install = () => {
       >
         <Fade in={isModalOpen} timeout={400}>
           <Box
-            className="absolute left-1/2 top-1/2 h-fit w-full min-w-[18rem] max-w-full -translate-x-1/2 -translate-y-1/2 transform rounded-2xl border border-zinc-200 bg-white p-6 text-center shadow-xl sm:w-80"
+            className="absolute left-1/2 top-1/2 h-fit w-full min-w-[18rem] max-w-full -translate-x-1/2 -translate-y-1/2 transform rounded-2xl border border-neutral-200 bg-white dark:bg-neutral-800 dark:border-neutral-400/20 p-6 text-center shadow-xl sm:w-80"
             style={{
               maxHeight: "calc(100% - 4rem)",
               maxWidth: "calc(100% - 4rem)",
@@ -41,7 +41,7 @@ const Install = () => {
               >
                 Install Calendarium <i className="bi bi-download"></i>
               </span>
-              <div className="rounded-lg bg-blue-100 p-2 text-sm ">
+              <div className="rounded-lg bg-blue-500/20 p-2 text-sm ">
                 <i className="bi bi-info-circle-fill text-blue-500"></i> You can
                 install Calendarium as a{" "}
                 <a
@@ -55,7 +55,7 @@ const Install = () => {
                 <i className="bi bi-box-arrow-up-right"></i> on your device.
               </div>
               <Collapse
-                className="w-full rounded-lg border-gray-300 bg-white text-left font-display shadow-sm"
+                className="w-full rounded-lg border-neutral-300 bg-white text-left font-display shadow-sm"
                 accordion
               >
                 <Collapse.Panel header="Android" key="1">

components/Layout/Layout.tsx

@@ -1,13 +1,14 @@
-import { useState, ReactNode } from "react";
+import { useState, ReactNode, useEffect } from "react";
 
 import Link from "next/link";
-import Image from "next/image";
 
 import Sidebar from "../Sidebar";
 import Notifications from "../Notifications";
 
 import styles from "./layout.module.scss";
 
+import { useTheme } from "next-themes";
+
 interface ILayoutProps {
   children: ReactNode;
   isHome: boolean;
@@ -24,13 +25,26 @@ const Layout = ({
   saveTheme,
 }: ILayoutProps) => {
   const [isOpen, setIsOpen] = useState(false);
-  const hamburgerLine = `h-1 w-6 my-0.5 rounded-full bg-black transition ease transform duration-300`;
+  const hamburgerLine = `h-1 w-6 my-0.5 rounded-full bg-black transition ease transform duration-300 dark:bg-neutral-200 bg-neutral-900`; 
+  const { resolvedTheme } = useTheme();
+  const [logo, setLogo] = useState(null);
+
+  // necesary so logo renders only on the client
+  useEffect(() => setLogo(
+    <picture>
+      <img
+        className="h-[46px] w-auto"
+        src={resolvedTheme === "dark" ? "/calendarium-dark.svg" : "/calendarium-light.svg"}
+        alt="Calendarium Logo"
+      />
+    </picture>
+  ), [resolvedTheme]);
 
   return (
-    <div className="text-gray-900 lg:flex">
+    <div className="text-neutral-900 lg:flex dark:bg-neutral-900 dark:text-neutral-200">
       {/* Open/Close Sidebar Button */}
       <button
-        className="group absolute z-20 ml-8 mt-8 flex h-12 w-12 flex-col items-center justify-center rounded-xl bg-white shadow-md ring-1 ring-zinc-100/50 lg:hidden"
+        className="group absolute z-20 ml-8 mt-8 flex h-12 w-12 flex-col items-center justify-center rounded-xl bg-white dark:bg-neutral-800/70 shadow-md ring-1 ring-neutral-100/50 dark:ring-neutral-400/20 lg:hidden"
         onClick={() => setIsOpen(!isOpen)}
       >
         <div
@@ -62,14 +76,8 @@ const Layout = ({
         <div
           style={{ cursor: "pointer", width: "fit-content", margin: "auto" }}
         >
-          <Link href="https://cesium.link/">
-            <picture>
-              <img
-                className="h-[46px] w-auto"
-                src={"/calendarium-light.svg"}
-                alt="CeSIUM Link"
-              />
-            </picture>
+          <Link href="/">
+            {logo}
           </Link>
         </div>
       </div>

components/NavigationPane/NavigationPane.tsx

@@ -5,15 +5,15 @@ const NavigationPane = () => {
   const { asPath } = useRouter();
 
   return (
-    <div className="rounded-xl font-display ring-1 ring-zinc-100/50">
-      <div className="flex w-full place-content-between rounded-xl p-5 font-medium text-gray-300 shadow-default transition-all">
+    <div className="rounded-xl font-display ring-1 ring-neutral-100/50 dark:ring-neutral-400/20 dark:bg-neutral-800/70">
+      <div className="flex w-full place-content-between rounded-xl p-5 font-medium text-neutral-300 dark:text-neutral-500 shadow-default transition-all">
         <div className="m-auto w-fit space-x-8">
           <Link href="/">
             <span
               className={`${
                 asPath === "/" &&
-                "text-gray-900 after:absolute after:ml-4 after:mt-4 after:flex after:h-1 after:w-12 after:rounded-t after:bg-cesium-900"
-              } transition-all hover:text-gray-900`}
+                "text-neutral-900 dark:text-neutral-200 after:absolute after:ml-4 after:mt-4 after:flex after:h-1 after:w-12 after:rounded-t after:bg-cesium-900"
+              } transition-all hover:text-neutral-900 dark:hover:text-neutral-200`}
             >
               <i className="bi bi-calendar-fill"></i> EVENTS
             </span>
@@ -22,8 +22,8 @@ const NavigationPane = () => {
             <span
               className={`${
                 asPath === "/schedule" &&
-                "text-gray-900 after:absolute after:ml-36 after:mt-4 after:flex after:h-1 after:w-12 after:rounded-t after:bg-cesium-900"
-              } transition-all hover:text-gray-900`}
+                "text-neutral-900 dark:text-neutral-200 after:absolute after:ml-36 after:mt-4 after:flex after:h-1 after:w-12 after:rounded-t after:bg-cesium-900"
+              } transition-all hover:text-neutral-900 dark:hover:text-neutral-200`}
             >
               <i className="bi bi-clock-fill"></i> SCHEDULE
             </span>

components/Settings/Settings.tsx

@@ -2,6 +2,7 @@ import { IFilterDTO } from "../../dtos";
 
 import Themes from "../Themes";
 import Install from "../Install";
+import DarkModeToggler from "../DarkModeToggler";
 
 type SettingsProps = {
   saveTheme: () => void;
@@ -19,10 +20,10 @@ const Settings = ({
   isHome,
 }: SettingsProps) => {
   return (
-    <div className="h-full w-full select-none space-y-4 overflow-hidden rounded-xl p-4 shadow-default ring-1 ring-zinc-200/30">
+    <div className="h-full w-full select-none space-y-4 overflow-hidden rounded-xl p-4 shadow-default ring-1 ring-neutral-200/30 dark:ring-neutral-400/20 dark:bg-neutral-800/70">
       {/* Title */}
       <div className="text-center text-lg font-medium">Settings</div>
-      <div className="border-b border-zinc-200/80" />
+      <div className="border-b border-neutral-200/80 dark:border-neutral-400/30" />
       {/* Configs */}
       <Themes
         saveTheme={saveTheme}
@@ -31,6 +32,7 @@ const Settings = ({
         setIsOpen={setIsOpen}
         isHome={isHome}
       />
+      <DarkModeToggler />
       <Install />
     </div>
   );

components/ShareButton/ShareButton.tsx

@@ -24,7 +24,7 @@ const ShareButton = ({
   return (
     <div>
       <button
-        className="h-10 w-10 rounded-xl p-2 font-medium leading-3 text-gray-300 shadow-md ring-1 ring-zinc-200/50 transition-all duration-300 hover:text-gray-900 hover:shadow-lg"
+        className="h-10 w-10 rounded-xl p-2 font-medium leading-3 text-neutral-300 dark:text-neutral-500 shadow-md ring-1 ring-neutral-200/50 dark:ring-neutral-400/20 transition-all duration-300 hover:text-neutral-900 dark:hover:text-neutral-200 hover:shadow-lg dark:bg-neutral-800/70"
         title="Share"
         onClick={() => setIsModalOpen(true)}
       >