/*! HTML5 Boilerplate v9.0.1 | MIT License | https://html5boilerplate.com/ */

/* main.css 3.0.0 | MIT License | https://github.com/h5bp/main.css#readme */
/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */

html {
  color: #222;
  font-size: 1em;
  line-height: 1.4;
}

/*
 * Remove text-shadow in selection highlight:
 * https://twitter.com/miketaylr/status/12228805301
 *
 * Customize the background color to match your design.
 */

::-moz-selection {
  background: #b3d4fc;
  text-shadow: none;
}

::selection {
  background: #b3d4fc;
  text-shadow: none;
}

/*
 * A better looking default horizontal rule
 */

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0;
}

/*
 * Remove the gap between audio, canvas, iframes,
 * images, videos and the bottom of their containers:
 * https://github.com/h5bp/html5-boilerplate/issues/440
 */

audio,
canvas,
iframe,
img,
svg,
video {
  vertical-align: middle;
}

/*
 * Remove default fieldset styles.
 */

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

/*
 * Allow only vertical resizing of textareas.
 */

textarea {
  resize: vertical;
}

/* ==========================================================================
   Author's custom styles
   ========================================================================== */

/* ==========================================================================
   Helper classes
   ========================================================================== */

/*
 * Hide visually and from screen readers
 */

.hidden,
[hidden] {
  display: none !important;
}

/*
 * Hide only visually, but have it available for screen readers:
 * https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
 *
 * 1. For long content, line feeds are not interpreted as spaces and small width
 *    causes content to wrap 1 word per line:
 *    https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
 */

.visually-hidden {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
  /* 1 */
}

/*
 * Extends the .visually-hidden class to allow the element
 * to be focusable when navigated to via the keyboard:
 * https://www.drupal.org/node/897638
 */

.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  white-space: inherit;
  width: auto;
}

/*
 * Hide visually and from screen readers, but maintain layout
 */

.invisible {
  visibility: hidden;
}

/*
 * Clearfix: contain floats
 *
 * The use of `table` rather than `block` is only necessary if using
 * `::before` to contain the top-margins of child elements.
 */

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

/* ==========================================================================
   EXAMPLE Media Queries for Responsive Design.
   These examples override the primary ('mobile first') styles.
   Modify as content requires.
   ========================================================================== */

@media only screen and (min-width: 35em) {
  /* Style adjustments for viewports that meet the condition */
}

@media print,
(-webkit-min-device-pixel-ratio: 1.25),
(min-resolution: 1.25dppx),
(min-resolution: 120dpi) {
  /* Style adjustments for high resolution devices */
}

/* ==========================================================================
   Print styles.
   Inlined to avoid the additional HTTP request:
   https://www.phpied.com/delay-loading-your-print-css/
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    /* Black prints faster */
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
  }

  abbr[title]::after {
    content: " (" attr(title) ")";
  }

  /*
   * Don't show links that are fragment identifiers,
   * or use the `javascript:` pseudo protocol
   */
  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }

  pre {
    white-space: pre-wrap !important;
  }

  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }
}

body {
  background-color: #121212;
  color: white;
}

.sidebar {
  background-color: #181818;
  height: 100vh;
  padding-top: 20px;
}

.sidebar a {
  color: white;
  display: block;
  padding: 10px 15px;
  text-decoration: none;
}

.sidebar a:hover {
  background-color: #383838;
}

.video-thumbnail {
  background-color: #212121;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.video-thumbnail img {
  width: 100%;
  border-radius: 8px;
}

.video-title {
  font-size: 0.9rem;
  margin-top: 10px;
}

.bg-img {
  background-color: #000; /* ¹è°æ »ö */
  padding: 1px; /* ¹è°æÀÌ º¸À̵µ·Ï ¿©¹é ÁÜ */
}

.no-underline {
  text-decoration: none;
}

a {
  color: #ffffff;
  text-decoration: none;
}

a:hover {
  color: #1a73e8;
  text-decoration: underline;
}

.bottom-bar {
  background-color: #1e1e1e;
  color: rgb(153, 142, 142);
  padding: 10px;
  font-size: 0.9rem;
}

.navbar-custom {
  background-color: #121212;
}

.search-bar {
  background-color: #222;
  border: none;
  color: white;
}

.search-bar::placeholder {
  color: #aaa;
}

.btn-icon {
  background-color: #333;
  border: none;
  color: white;
  margin-left: 5px;
}

.profile-circle {
  background-color: #f4511e;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1rem;
}

.logo-text {
  font-weight: bold;
  font-size: 1.3rem;
  color: white;
}

.video-thumbnail {
  position: relative;
  overflow: hidden; /* À̹ÌÁö È®´ë ½Ã ³ÑÄ¡´Â ºÎºÐ ¼û±è ó¸® Àß µÇ¾îÀÖÀ½ */
  border-radius: 8px; /* ¸ð¼­¸® µÕ±Û°Ô ó¸®, ±ò²ûÇÔ */
  transition: transform 0.3s ease, box-shadow 0.3s ease; /* ºÎµå·¯¿î ¾Ö´Ï¸ÞÀÌ¼Ç */
  cursor: pointer; /* Ŭ¸¯ °¡´ÉÇÑ UIÀÓÀ» ¾Ï½Ã */
}

.video-thumbnail:hover {
  transform: translateY(-8px) scale(1.05); /* »ì¦ À§·Î ¶°¿À¸£¸é¼­ È®´ë */
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3); /* ÀÚ¿¬½º·¯¿î ±×¸²ÀÚ */
}

.video-thumbnail img.bg-img {
  width: 100%;
  height: auto;
  display: block; /* ÀζóÀÎ °£°Ý ¹®Á¦ ¹æÁö */
  transition: transform 0.3s ease; /* À̹ÌÁö È®´ë ºÎµå·´°Ô */
}

.video-thumbnail:hover img.bg-img {
  transform: scale(1.1); /* È£¹ö ½Ã À̹ÌÁö È®´ë */
}

.dropdown-menu {
  min-width: 250px;
}

.dropdown-menu-dark .dropdown-item:hover {
  background-color: #333;
}
body {
      background-color: #111;
      color: white;
      margin: 15px;

    }
    .video-section iframe {
      width: 100%;
      height: 480px;
      border: none;
    }
    .sidebar .card {
      background-color: #222;
      color: white;
      margin-bottom: 10px;
    }
    .comment-box {
      background-color: #1a1a1a;
      padding: 15px;
      border-radius: 5px;
      margin-top: 20px;
    }
    .navbar {
      background-color: #000;
    }
   .channel-profile {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      object-fit: cover;
    }

    .channel-name {
      font-weight: 600;
    }

    .subscribe-btn {
      background-color: #0f0f0f;
      color: #fff;
      border: none;
      border-radius: 999px;
      padding: 6px 16px;
      font-weight: 500;
    }

    .subscribe-btn:hover {
      background-color: #272727;
    }

    .verified-badge {
      color: #aaa;
      font-size: 14px;
    }

    .subscriber-count {
      font-size: 0.9rem;
      color: #aaa;
    }
    .channel-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .channel-info {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .channel-profile {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      object-fit: cover;
    }

    .channel-meta {
      display: flex;
      flex-direction: column;
      font-size: 0.95rem;
    }

    .channel-meta .name {
      font-weight: 600;
    }

    .channel-meta .subscribers {
      color: #aaa;
      font-size: 0.85rem;
    }

    .btn-subscribe {
      background-color: #0f0f0f;
      color: #fff;
      border: none;
      padding: 6px 16px;
      border-radius: 999px;
    }

    .btn-subscribe:hover {
      background-color: #222;
    }

    .btn-group-small .btn {
      font-size: 0.9rem;
      padding: 6px 12px;
      border-radius: 999px;
    }

    .product {
      background-color: #1e1e1e;
      padding: 10px;
      border-radius: 8px;
      display: flex;
      gap: 12px;
      margin: 10px 0;
      align-items: center;
    }

    .product img {
      width: 100px;
      height: auto;
      border-radius: 4px;
    }

    .product-info {
      flex-grow: 1;
    }

    .timestamp {
      display: block;
      margin: 6px 0;
    }

    ul {
      padding-left: 20px;
    }

    .footer {
      color: #666;
      font-size: 0.9rem;
      margin-top: 40px;
    }
    .video-wrapper {
      position: relative;
      width: 100%;
      padding-top: 75%; /* 4:3 ºñÀ² ³ôÀÌ Áõ°¡ */
    }

    .video-wrapper iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }
       /* »çÀÌµå ¸Þ´º ±âº» »óÅ */
       #sidebar {
         position: fixed;
         top: 0;
         left: 0;
         width: 250px;
         height: 100%;
         background-color: #212529;
         color: white;
         transform: translateX(-100%);
         transition: transform 0.3s ease-in-out;
         z-index: 9999;
         padding: 1rem;
       }

       /* ¿­·ÈÀ» ¶§ »óÅ */
       #sidebar.active {
         transform: translateX(0);
       }

       #menuToggleBtn {
         margin: 1rem;
       }


      /* ¸Þ´º Ç׸ñ ±âº» ½ºÅ¸ÀÏ */
      .dropdown-menu a {
        display: flex !important;
        align-items: center !important;
        padding: 10px 20px !important;
        color: #ccc !important;
        font-size: 14px !important;
        text-decoration: none !important;
        gap: 12px !important; /* ¾ÆÀÌÄÜ°ú ÅؽºÆ® »çÀÌ °£°Ý */
        transition: background-color 0.2s ease-in-out !important;

        /* ¾Æ·¡°¡ °¢ Ç׸ñ °£ °£°Ý */
        margin-bottom: 8px !important;
      }

      /* ¸¶Áö¸· Ç׸ñÀº ¾Æ·¡ ¸¶Áø Á¦°Å */
      .dropdown-menu a:last-child {
        margin-bottom: 0 !important;
      }

      .channel-icon {
        width: 24px;
        height: 24px;
        border-radius: 50%;  /* µ¿±×¶õ ¾ÆÀÌÄÜ ÇüÅ */
        vertical-align: middle;
        margin-right: 6px;
      }