/*dark mode begin*/
/*Darkmode is in the header file. It doesn't work here /*
/*dark mode end*/



.expanding-menu2{
            line-height: 35px;
        }
		
.unstyled-button {
  border: none;
  padding: 0;
  background: none;
  transition: all 0.3s ease;
  font-size: 16px;
  text-align: left;
  cursor:pointer;
color: var(--text-primary);
  transition: all 0.3s ease;
  }

.unstyled-button .icon {
      width: 16px;
      height: 16px;

    }
	
.theme-buttons{
       text-align: right;    
      /*display: flex;*/
      gap: 8px;
      margin: 8px 16px;}


.search-button{
       text-align: right;    
      /*display: flex;*/
      gap: 12px;
      margin: 20px 0;}



.normal-button {
      padding: 10px 16px;
      background: var(--btn-primary);
      color: var(--btn-text);
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-size: 16px;
      transition: all 0.2s;
    }
    
.normal-button:hover {
      background: var(--btn-hover);
      transform: translateY(-2px);
    }

h1 {
            margin-top:4px;
        }

button {
  /* padding: 10px 16px;
      background: var(--btn-primary);
      color: var(--btn-text);
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-size: 16px;
      transition: all 0.2s;  */
    }
    
button:hover {
  /*  background: var(--btn-hover);
      transform: translateY(-2px);  */
    }
	

#main {
  transition: margin-left .5s;
  padding: 0;
}






  /*search box begin*/
 .search-box {
      position: fixed;
      top: 40px;
      right: 20px;
       /*background: #fff;*/
      background-color: var(--search-box);
	  color: var(--btn-text);
      border: 1px solid #cbd5e0;
      padding: 10px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      z-index: 9999;
      display: none;
      /*  position: relative; /* so close button can be positioned inside */
      /* cursor: move;         /* show move cursor */
   /* touch-action: none;   /* needed for mobile dragging */
    }
    
 .search-box input {
      width: 180px;
      padding: 8px;
      border: 1px solid #cbd5e0;
      border-radius: 4px;
      margin-right: 5px;
background-color: var(--bg-primary);
  color: var(--text-primary);
    }
    
 .search-box button {
      padding: 8px 12px;
      font-size: 14px;
    }
    
    mark.search-highlight {
      background: rgba(255, 230, 0, 0.5);
      padding: 0;
    }
    
    mark.active-match {
      background: orange;
    }
	
	/* Extra small screens - make search-box smaller */
@media (max-width: 540px) {
  .search-box {
    top: 40px;
    right: 5px;
    padding: 6px;
  }

  .search-box input {
    width: 120px;   /* reduced width */
    padding: 6px;
    font-size: 14px;
  }

  .search-box button {
    padding: 6px 8px;
    font-size: 12px;
  }

  .search-box span {
    font-size: 12px;
  }
}

/* Close button */
  .sh-close-btn {
      cursor: pointer;
      font-size: 24px;
      color: var(--btn-text);
    }
  .sh-close-btn:hover {
      color: red;
    }

	/*search box end*/


/*keyboard begin*/
     :root{
      /*--bg:#0f1724; --card:#0b1220; --accent:#7dd3fc; --muted:#9aa4b2; --key:#111827;*/
     --bg:#0f1724; --card:#1E2D44; --accent:#7dd3fc; --muted:#9aa4b2; --key:#111827;
    
	}
  
  .keyboard {
  position: fixed;
  top: 10%;       /* initial vertical position */
  left: 50%;
  transform: translateX(-50%);
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--card);
  padding: 12px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.6);
  z-index: 10001;
  cursor: move;
  max-width: 95%;
}

	
    .key{flex:0 0 auto; display:inline-flex; align-items:center; justify-content:center; padding:12px 14px; border-radius:10px; background:var(--key); border:1px solid rgba(255,255,255,0.02); font-size:18px; cursor:pointer; user-select:none; color:#fff}
    .key:hover{transform:translateY(-3px); box-shadow:0 8px 18px rgba(0,0,0,0.6)}
    .key.kwide{min-width:100px}
    .meta{display:flex; gap:8px; margin-top:12px; flex-wrap:wrap}
    .status{margin-left:auto; color:var(--muted); font-size:13px}

    @media (max-width:540px){ .keyboard{justify-content:center} }


/* Close button */
    .kb-close-btn {
      /* position: absolute;*/
      /* top: 5px;*/
     /* right: 8px;*/
/* font-weight: bold;*/
      cursor: pointer;
      font-size: 24px;
      color: var(--btn-text);
    }
    .kb-close-btn:hover {
      color: red;
    }

	/*keyboard end*/

/*New tree start */
/* https://iamkate.com/code/tree-views/  */

/* Custom properties */
.tree {
  --spacing: 1.5rem;
  --radius: 10px;
}


/* Padding */
.tree li {
  display: block;
  position: relative;
  padding-left: calc(2 * var(--spacing) - var(--radius) - 2px);
}

.tree ul {
  margin-left: calc(var(--radius) - var(--spacing));
  padding-left: 0;
}


/* Vertical lines */
.tree ul li {
  border-left: 2px solid #ddd;
}

.tree ul li:last-child {
  border-color: transparent;
}

/* Horizontal lines */
.tree ul li::before {
  content: '';
  display: block;
  position: absolute;
  top: calc(var(--spacing) / -2);
  left: -2px;
  width: calc(var(--spacing) + 2px);
  height: calc(var(--spacing) + 1px);
  border: solid #ddd;
  border-width: 0 0 2px 2px;
}

/* remove the default styling from summaries */
.tree summary {
  display: block;
  cursor: pointer;
}

.tree summary::marker,
.tree summary::-webkit-details-marker {
  display: none;
}

.tree summary:focus {
  outline: none;
}

.tree summary:focus-visible {
  outline: 1px dotted #000;
}

/* Note that we generate markers both for <li> elements 
(for list items that don’t contain nested lists) and for 
<summary> elements */
/* .tree li::after, */
.tree summary::before {
  content: '';
  display: block;
  position: absolute;
  top: calc(var(--spacing) / 2 - var(--radius));
  left: calc(var(--spacing) - var(--radius) - 1px);
  width: calc(2 * var(--radius));
  height: calc(2 * var(--radius));
  border-radius: 50%;
  background: #ddd;
}

/* Expand and collapse buttons */
.tree summary::before {
  z-index: 1;
  background: #696 url('../images/expand-collapse.svg') 0 0;
}

.tree details[open] > summary::before {
  background-position: calc(-2 * var(--radius)) 0;
}

/* Custom SVG icon for li */
        .svg-item {
            display: flex;
            align-items: center;
            padding: 0.1rem 0;
        }
		
		 .svg-icon {
            display: block;
            position: absolute;
            top: calc(var(--spacing) / 2 - var(--radius));
            left: calc(var(--spacing) - var(--radius) - 1px);
            width: 24px;
            height: 24px;
            margin-right: 5px;
            filter: drop-shadow(0 0 4px rgba(0, 255, 255, 0.7));
        }
        
  /*       .svg-icon {
            width: 24px;
            height: 24px;
            margin-right: 5px;
            filter: drop-shadow(0 0 4px rgba(0, 255, 255, 0.7));
        }
*/

/*New tree end */




/*Youtube PiP-style popup start*/

 /* PiP-style popup */
    .pip {
      position: fixed;
      /* Default: 90% of viewport width on small screens, max 480px */
      width: min(90vw, 480px);
      height: calc(min(90vw, 480px) * 0.5625); /* 16:9 aspect ratio */
      background: #000;
      display: none;
      z-index: 9999;
      border-radius: 10px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.4);
      resize: both;
      overflow: hidden; /* keep iframe edges clean */
    }

    .video-area {
      position: absolute;
      inset: 0;
    }

    .responsive-iframe {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      border: 0;
    }

    .close-btn, .move-btn {
      position: absolute;
      top: 6px;
      width: 28px;
      height: 28px;
      border: 0;
      border-radius: 999px;
      font-size: 16px;
      line-height: 28px;
      text-align: center;
      cursor: pointer;
      opacity: 0.9;
      background: rgba(0,0,0,0.5);
      color: #fff;
      z-index: 3;
    }
    .close-btn { right: 6px; }
    .move-btn  { left: 6px; }

    .drag-surface {
      position: absolute;
      inset: 0;
      z-index: 2;
      cursor: move;
      background: transparent;
      pointer-events: none;
    }
    .drag-surface.active {
      pointer-events: auto;
    }

    /* Mobile-first responsive sizing */
    /* Small phones (< 400px wide) */
    @media (max-width: 399px) {
      .pip {
        width: 85vw;
        height: calc(85vw * 0.5625);
      }
    }

    /* Medium screens (400px - 767px) */
    @media (min-width: 400px) and (max-width: 767px) {
      .pip {
        width: 380px;
        height: 213.75px;
      }
    }

    /* Tablets and small laptops (768px - 999px) */
    @media (min-width: 768px) and (max-width: 999px) {
      .pip {
        width: 420px;
        height: 236.25px;
      }
    }

    /* Desktop (1000px - 1399px) */
    @media (min-width: 1000px) and (max-width: 1399px) {
      .pip {
        width: 400px;
        height: 225px;
      }
    }

    /* Large desktop (1400px+) */
    @media (min-width: 1400px) {
      .pip {
        width: 440px;
        height: 247.5px;
      }
    }

    /* Landscape orientation on mobile - make it smaller to fit */
    @media (max-height: 500px) and (orientation: landscape) {
      .pip {
        width: 45vw;
        height: calc(45vw * 0.5625);
        max-height: 70vh;
      }
    }

/*Youtube PiP-style popup end*/



/*hiding left menu start*/

.sidebar {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
  overflow-x: hidden;
  transition: 0.5s ease;
  padding-top: 0;
  box-shadow: 6px 0 15px rgba(0, 0, 0, 0.25);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
 backdrop-filter: blur(8px);
}

.sidebar a {
  padding: 12px 20px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--menu-text);
  display: block;
  border-radius: 8px;
  margin: 6px 12px;
 background: linear-gradient(145deg, var(--accent-color3), var(--accent-color)); 
  box-shadow: inset 2px 2px 5px rgba(255, 255, 255, 0.4),
              inset -2px -2px 5px rgba(0, 0, 0, 0.2);
  transition: all 0.25s ease;
}

.sidebar a:hover {
  background: linear-gradient(145deg, var(--accent-hover3), var(--accent-hover));
  color: var(--menu-hover);
  transform: translateX(6px);
  box-shadow: 2px 2px 10px rgba(0,0,0,0.25),
              -2px -2px 10px rgba(255,255,255,0.15);
}


.openbtn {
  font-size: 22px;
  cursor: pointer;
  background: linear-gradient(145deg, var(--accent-color3), var(--accent-color));
  color: var(--text-primary);
  padding: 10px 14px;
  border: none;
  border-radius: 8px;
  /*margin: 8px; */
  /* margin: 0;      --- remove existing 8px margin */
  /* margin-top: 4px;   ---optional small top spacing */
  box-shadow: 4px 4px 8px rgba(0,0,0,0.2),
              -2px -2px 6px rgba(255,255,255,0.1);
  transition: none; /* remove animation */
}

.openbtn:hover {
  background: linear-gradient(145deg, var(--accent-hover3), var(--accent-hover));
  transform: translateY(-2px);
  box-shadow: 6px 6px 12px rgba(0,0,0,0.25),
              -2px -2px 8px rgba(255,255,255,0.15);
}

/* Dark mode adjustment */
[data-theme="dark"] .openbtn {
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
  color: var(--text-primary);
  box-shadow: 4px 4px 10px rgba(0,0,0,0.6),
              -2px -2px 6px rgba(255,255,255,0.05);
}

.sidebar a.spaced-link {
  margin-top: 35px; /* adjust space as needed */
  display: block;
}

/*hiding left menu end*/

/* On smaller screens, where height is less than 450px, change the style of the sidenav (less padding and a smaller font size) */
@media screen and (max-height: 450px) {
  .sidebar {padding-top: 10px;}
  .sidebar a {font-size: 14px;}
}



/*responsive menu*/
* {
  box-sizing: border-box;
}

.row::after {
  content: "";
  clear: both;
  display: table;
}

[class*="col-"] {
  float: left;
  padding: 0;
}

html {
  font-family: "Lucida Sans", sans-serif;
}

.header {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  padding: 0;
transition: all 0.3s ease;
}

table {
    border-collapse: collapse; /* Merges borders */
    width: 100%; /* Makes table full-width */
}

th, td {
     border: none; 
    padding: 0; /* Adds space inside cells */
}


.menu ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.menu li {
  /*padding: 8px;
  margin-bottom: 7px;
  background-color: #33b5e5;
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
*/
padding: 8px;
            margin-bottom: 7px;
            background-color: var(--accent-color);
          color: white;
            box-shadow: 0 1px 3px var(--shadow);
            border-radius: 4px;
            transition: all 0.3s ease;
}

.menu li:hover {
   /*background-color: #0099cc;*/
background-color: var(--accent-hover);
}

.aside {
  /*background-color: #ffffff;*/
  background-color: var(--bg-primary);
  color: var(--text-primary);
  padding: 15px;
  /*color: #000000;*/
  text-align: center;
  font-size: 14px;
  box-shadow: 0 0px 0px rgba(0, 0, 0, 0), 0 0px 0px rgba(0, 0, 0, 0);
transition: all 0.3s ease;
}

.footer {
  /*background-color: #ffffff;*/
  background-color: var(--bg-primary);
  color: var(--text-primary);
   /*color: #000000;*/
  text-align: center;
  font-size: 12px;
  padding: 1px;
transition: all 0.3s ease;
}

/* For mobile phones: */
[class*="col-"] {
  width: 100%;
}

/* @media only screen and (min-width: 600px) {*/
	@media only screen and (min-width: 600px) {
  /* For tablets: */
  .col-s-1 {
    width: 8.33%;
  }
  .col-s-2 {
    width: 16.66%;
  }
  .col-s-3 {
    width: 25%;
  }
  .col-s-4 {
    width: 33.33%;
  }
  .col-s-5 {
    width: 41.66%;
  }
  .col-s-6 {
    width: 50%;
  }
  .col-s-7 {
    width: 58.33%;
  }
  .col-s-8 {
    width: 66.66%;
  }
  .col-s-9 {
    width: 75%;
  }
  .col-s-10 {
    width: 83.33%;
  }
  .col-s-11 {
    width: 91.66%;
  }
  .col-s-12 {
    width: 100%;
  }
}
@media only screen and (min-width: 768px) {
  /* For desktop: */
  .col-1 {
    width: 8.33%;
  }
  .col-2 {
    width: 16.66%;
  }
  .col-3 {
    width: 25%;
  }
  .col-4 {
    width: 33.33%;
  }
  .col-5 {
    width: 41.66%;
  }
  .col-6 {
    width: 50%;
  }
  .col-7 {
    width: 58.33%;
  }
  .col-8 {
    width: 66.66%;
  }
  .col-9 {
    width: 75%;
  }
  .col-10 {
    width: 83.33%;
  }
  .col-11 {
    width: 91.66%;
  }
  .col-12 {
    width: 100%;
  }
}