YouTube Material Design Ui by mason20121981

/* ==UserStyle==
@name           YouTube Modern Design 2024 with Dark Mode and Rounded UI
@version        20241122.1.0
@namespace      userstyles.world/user/modern_design
@description    A clean, modern YouTube design with rounded UI, dark mode, and updated font styles. Focus on a smooth user experience with improved aesthetics.
@author         YourName
@license        CC Zero
@preprocessor   stylus
@var            checkbox  useNewDarkMode    "Enable custom dark mode for YouTube"           1
==/UserStyle== */

@-moz-document domain("youtube.com") {

  /* General Styles */
  :root {
    --primary-bg-color: #121212;
    --secondary-bg-color: #181818;
    --text-color: #e5e5e5;
    --link-color: #1a73e8;
    --border-radius: 8px;
    --font-family: "Roboto", sans-serif;
    --font-size: 16px;
    --header-bg-color: #181818;
    --nav-bg-color: #222222;
  }

  /* Body */
  body {
    background-color: var(--primary-bg-color);
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    font-size: var(--font-size);
  }

  /* YouTube Header */
  #masthead {
    background-color: var(--header-bg-color);
    border-bottom: 1px solid #333;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  }

  #masthead-container {
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  #logo {
    height: 32px;
    width: auto;
  }

  /* Navigation Bar */
  #sections {
    background-color: var(--nav-bg-color);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
  }

  #sections a {
    color: var(--text-color);
    padding: 10px 15px;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size);
  }

  #sections a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--link-color);
  }

  /* Video Thumbnails */
  ytd-thumbnail {
    border-radius: var(--border-radius);
    overflow: hidden;
  }

  ytd-thumbnail img {
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
  }

  ytd-thumbnail img:hover {
    transform: scale(1.05);
  }

  /* Video Titles */
  #video-title {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    transition: color 0.3s ease;
  }

  #video-title:hover {
    color: var(--link-color);
  }

  /* Sidebar */
  ytd-guide-section-renderer {
    border-radius: var(--border-radius);
    margin: 15px 0;
    background-color: var(--secondary-bg-color);
    padding: 10px;
  }

  /* Comments Section */
  ytd-comment-thread-renderer {
    background-color: var(--secondary-bg-color);
    padding: 10px;
    border-radius: var(--border-radius);
    margin: 10px 0;
  }

  .style-scope.ytd-comment-renderer {
    border-radius: var(--border-radius);
    background-color: #1c1c1c;
  }

  /* Video Player */
  ytd-video-primary-info-renderer {
    background-color: var(--primary-bg-color);
    border-radius: var(--border-radius);
    padding: 15px;
  }

  /* Modal Popup (Subscriptions, etc.) */
  #dialog {
    border-radius: var(--border-radius);
    background-color: #222222;
  }

  /* Footer */
  #footer {
    background-color: var(--nav-bg-color);
    padding: 20px;
    border-top: 1px solid #333;
  }

  #footer a {
    color: var(--text-color);
    text-decoration: none;
  }

  #footer a:hover {
    color: var(--link-color);
  }

  /* Buttons */
  paper-button {
    background-color: var(--link-color);
    color: #fff;
    border-radius: var(--border-radius);
    padding: 8px 15px;
    transition: background-color 0.3s ease;
  }

  paper-button:hover {
    background-color: rgba(26, 115, 232, 0.8);
  }

  /* Transition Effects */
  * {
    transition: all 0.3s ease;
  }

  /* Rounded UI Elements */
  ytd-video-renderer, ytd-playlist-video-renderer, ytd-channel-renderer {
    border-radius: var(--border-radius);
    overflow: hidden;
  }

  ytd-rich-grid-renderer {
    border-radius: var(--border-radius);
  }

  /* Search Bar */
  #search {
    border-radius: var(--border-radius);
    background-color: #333;
  }

  #search input {
    background-color: #333;
    border: none;
    color: #fff;
    border-radius: var(--border-radius);
    padding: 8px 15px;
    width: 100%;
  }

  #search input:focus {
    outline: none;
    background-color: #444;
  }

  /* Custom Scrollbar */
  ::-webkit-scrollbar {
    width: 10px;
  }

  ::-webkit-scrollbar-thumb {
    background-color: #888;
    border-radius: var(--border-radius);
  }

  ::-webkit-scrollbar-thumb:hover {
    background-color: #555;
  }

  /* Custom Dark Mode */
  .dark-mode {
    background-color: #181818 !important;
    color: #e0e0e0 !important;
  }

  .dark-mode #masthead, .dark-mode #sections, .dark-mode ytd-guide-section-renderer, .dark-mode .style-scope.ytd-comment-renderer {
    background-color: #212121 !important;
  }

  .dark-mode ytd-comment-thread-renderer {
    background-color: #2c2c2c !important;
  }

  .dark-mode ytd-video-primary-info-renderer {
    background-color: #181818 !important;
  }

  .dark-mode #dialog {
    background-color: #2c2c2c !important;
  }
}