* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  list-style-type: none;
  font-family: "Noto Sans", sans-serif;
  scroll-behavior: smooth;
}
html {
  font-size: 62.5%;
}
html,
body {
  width: 100%;
  height: 100%;
}
/* ROOT */
:root {
  /* COLORS */
  --main-bg-color: #0f0f0f;
  --second-bg-color: #222222;
  --font-color: #e4e4e4;
  --second-font-color: #908f8f;
  --border-color: #5b5b5b;
  /* --nav-logo-color:#2020dc00; */
  /* HEIGHTS */
  --top-header-h: 56px;
  /* WIDTHS */
  --side-bar-w: 0px;
}
body {
  background-color: var(--main-bg-color);
  color: var(--font-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}
/* FHD DESIGN */

/* TOP HEADER STYLE */
.top-header {
  width: clamp(1280px, 100%, 1920px);
  height: var(--top-header-h);
}
.nav-bar {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
}
/* LEFT NAV */
.left-nav {
  width: 15%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  font-size: 2rem;
}
.left-nav > .menu-icon {
  width: 40px;
  height: 40px;
  padding: 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: backgroung-color, 0.15s;
  cursor: pointer;
  color: var(--font-color);
  font-weight: 500;
}
/* hover */
.left-nav > .menu-icon:hover {
  background-color: var(--second-bg-color);
  transition: backgroung-color, 0.15s;
}
.left-nav > .nav-logo {
  background-color: var(--nav-logo-color);
  padding: 7.5px 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--font-color);
}
/* CENTRAL NAV */
.central-nav {
  width: 50%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
}
.central-nav > form {
  width: 100%;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.central-nav > form > input {
  width: 70%;
  height: 100%;
  background-color: var(--second-bg-color);
  border: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-radius: 28px 0 0 28px;
  outline: none;
  padding-left: 15px;
  color: var(--font-color);
}
.central-nav > form > button {
  height: 100%;
  width: 10%;
  font-size: 100%;
  border-radius: 0 28px 28px 0;
  background-color: var(--second-bg-color);
  border: 1px solid var(--border-color);
  border-left: 0px solid var(--border-color);
  color: var(--font-color);
  cursor: pointer;
}
/* RIGHT NAV */
.right-nav {
  width: 15%;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-weight: 500;
  font-size: 2rem;
}
.right-nav > a {
  color: var(--font-color);
}
.right-nav > .dark-or-light {
  width: 40px;
  height: 40px;
  padding: 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: backgroung-color, 0.15s;
  color: var(--font-color);
  cursor: pointer;
}
.right-nav > .dark-or-light:hover {
  background-color: var(--second-bg-color);
  transition: backgroung-color, 0.15s;
}
.right-nav > .nav-sign-in {
  padding: 7.5px 25px;
  background-color: var(--second-bg-color);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 25px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  color: var(--second-font-color);
  transition: color, background-color, 0.15s;
}
/* hover */
.right-nav > .nav-sign-in:hover {
  background-color: #06a8ff1c;
  color: #06a8ff77;
  transition: color, background-color, 0.15s;
}
/* MAIN CONTAINER */
.main-container {
  width: clamp(1280px, 100%, 1920px);
  height: calc(100svh - var(--top-header-h));
  display: flex;
}
/* SIDE BAR */
.side-bar {
  width: var(--side-bar-w);
  height: calc(100svh - var(--top-header-h));
  background-color: var(--main-bg-color);
  transition: width, 0.25s;
  font-size: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 5px;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  opacity: 0;
}
.side-bar a {
  color: var(--font-color);
  padding: 7.5px 15px;
  border-radius: 10px;
}
/* hover */
.side-bar a:hover {
  background-color: var(--second-bg-color);
}
/* active */
.side-bar a:active {
  background-color: var(--second-font-color);
}
.side-bar > ul {
  width: 80%;
  height: auto;
  display: none;
  flex-direction: column;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  padding-top: 20px;
}
.side-bar > ul > li > a {
  display: flex;
  align-items: center;
}
.side-bar > ul > li > a > i {
  font-size: 2.5rem;
  font-weight: 400;
}
/* CONTENT SECTION */
.content-section {
  width: calc(100% - var(--side-bar-w));
  height: calc(100svh - var(--top-header-h));
  transition: width, 0.25s;
}
/* TOP CONTENT CATEGORIES */
.content-categories {
  width: 100%;
  height: var(--top-header-h);
  background-color: var(--main-bg-color);
  display: flex;
  align-items: center;
  padding: 0 2%;
  column-gap: 15px;
}
.content-categories > .top-contents {
  height: 50%;
  width: auto;
  padding: 0 15px;
  border-radius: 7.5px;
  background-color: var(--second-bg-color);
  color: var(--font-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 500;
  transition: background-color, 0.5s;
}
/* hover */
.content-categories > .top-contents:hover {
  background-color: var(--second-font-color);
  transition: background-color, 0.25s;
}
/* CONTENTS OF HOME PAGE */
.contents {
  width: 100%;
  height: calc(100svh - (2 * var(--top-header-h)));
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  overflow: hidden;
  overflow-y: scroll;
  gap: 15px;
  padding: 10px 20px;
}
/* LANDCSAPE VIDEO CARD */
.l-cards {
  aspect-ratio: 16/13;
}
.l-cards .video-area {
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 12.5px;
  transition:border-radius, .250ms ;
}
/* hover */
.l-cards .video-area:hover{
  border-radius: 0px;
  transition:border-radius, .250ms ;
}
.video-area video {
  width: 100%;
  height: 100%;
}
.l-cards .video-meta {
  aspect-ratio: 16/4;
  display: flex;
}
.l-cards .profile {
  width: 16%;
  height: 100%;
  padding: 15px 0px;
  padding-left: 2.5px;
}
.l-cards .profile-pic {
  width: 80%;
  height: auto;
  aspect-ratio: 1/1;
  border-radius: 50%;
}
.l-cards .text-info {
  width: 84%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.l-cards .title {
  width: 100%;
  height: auto;
  font-family: "Roboto", "Arial", "Poppins", sans-serif;
  font-size: 1.5rem;
  font-weight: 500;
  padding: 0px 10px;
  margin: 10px 0px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: var(--font-color);
}
.l-cards .views-and-dates {
  padding-left: 10px;
  padding-right: 15px;
  height: 30%;
  font-size: 1.2rem;
  color: var(--second-font-color);
  display: flex;
  justify-content: space-between;
  font-weight: 450;
}
.l-cards .channel-name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  max-width: 6ch;
  color: var(--second-font-color);
}
.l-cards .views-and-dates > p {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  max-width: 10ch;
}