#blockly {
  position: fixed;
  bottom: 10px;
}
#visualization {
  position: relative;
}
#capacityBubble {
  position: absolute;
  margin-top: -0.5em;
  left: 10px;
  top: 375px;
  width: 380px;
}
html[dir="RTL"] #capacityBubble {
  left: auto;
  right: 10px;
}
#capacity {
  display: none;
  color: #fff;
  padding: 5px 1em;
  border-radius: 15px;
  background-color: rgba(64,64,64,0.7);
  font-size: large;
}
.capacityNumber {
  font-weight: bold;
}
#sampleOneTopBlock {
  height: 80px;
  width: 250px;
}
#pegSpin {
  height: 50px;
  width: 49px;
  background-position: -343px 0px;
  margin-top: 10px;
  position: absolute;
}
html[dir="RTL"] #pegSpin {
  background-position: -441px 0px;
}

.helpMenuFake {
  border-radius: 4px;
  background-color: #bfcdde;
  color: #000;
  padding: 0 1ex;
  cursor: default;
}
img[src$="help_up.png"] {
  margin: -20px 10px 0;
  height: 64px;
  width: 23px;
}
img[src$="help_down.png"] {
  margin: 0 10px -20px;
  height: 64px;
  width: 23px;
}

#svgMaze {
  overflow: hidden;
}

/* 'Look' icon */
#look>path {
  display: none;
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
  stroke-opacity: 0.7;
}

/* Buttons */
button.primary {
  /* Can't use "text-align: start" due to IE. */
  text-align: left;
}
html[dir="RTL"] button.primary {
  text-align: right;
}

/* Sprited icons. */
.icon21 {
  height: 21px;
  width: 21px;
  background-image: url(icons.png);
}
.link {
  background-position: 0px 0px;
}
.run {
  background-position: 0px -21px;
}
.stop {
  background-position: -21px -21px;
}

#pegmanButton {
  padding: 0;
  position: relative;
}
#pegmanButton:active {
  border: 1px solid #ddd !important;
}
#pegmanButton>img {
  margin-left: -0.5ex;
  margin-right: 0.5ex;
  height: 38px;
  width: 49px;
  background-position: -980px 0px;
  opacity: 0.8;
}
html[dir="RTL"] #pegmanButton>img {
  margin-left: 0.5ex;
  margin-right: -0.5ex;
}
#pegmanButton>span {
  position: absolute;
  top: 0.8ex;
  margin-left: -15px;
}
html[dir="RTL"] #pegmanButton>span {
  margin-right: -15px;
}
#pegmanMenu {
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 2px 2px 5px #888;
  display: none;
  position: absolute;
}
#pegmanMenu>div {
  background-color: #fff;
}
#pegmanMenu>div:hover {
  background-color: #57e;
}
#pegmanMenu>div>img {
  height: 38px;
  width: 49px;
  background-position: -980px 0px;
}

/* Mobile Responsive Layout for Maze */
@media (max-width: 768px) {
  #visualization {
    position: relative;
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  #svgMaze {
    width: 100% !important;
    max-width: 340px;
    height: auto !important;
    aspect-ratio: 1 / 1;
    display: block;
  }

  #capacityBubble {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    margin-top: 5px;
    text-align: center;
  }

  #capacity {
    display: inline-block;
    font-size: medium;
    padding: 4px 10px;
  }

  #blockly {
    position: relative;
    bottom: auto;
    width: 100% !important;
    height: calc(100vh - 460px);
    min-height: 320px;
    margin-top: 10px;
  }
}

/* Level Session Timer Widget */
#levelTimerWidget {
  position: fixed;
  top: 8px;
  right: 12px;
  z-index: 99999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.95);
  padding: 4px 10px;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.16);
  border: 1px solid #c0c6cc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px;
  color: #24292f;
  user-select: none;
}
#levelTimerWidget .timer-session {
  font-weight: 600;
  color: #0969da;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#levelTimerWidget .timer-level {
  font-weight: 500;
  color: #57606a;
}
#levelTimerWidget .timer-clock {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: #1a7f37;
  background: #dafbe1;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid rgba(27, 31, 36, 0.15);
}
#levelTimerWidget .timer-btn {
  background: #f6f8fa;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  color: #24292f;
  cursor: pointer;
}
#levelTimerWidget .timer-btn:hover {
  background: #eef1f4;
  border-color: rgba(27, 31, 36, 0.15);
}

/* Level Session Modal */
#levelTimerModal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
#levelTimerModal .modal-box {
  background: #ffffff;
  padding: 20px 24px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  width: 320px;
  max-width: 90vw;
}
#levelTimerModal h3 {
  margin: 0 0 8px 0;
  font-size: 16px;
  color: #24292f;
}
#levelTimerModal p {
  margin: 0 0 12px 0;
  font-size: 13px;
  color: #57606a;
}
#levelTimerModal input {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 10px;
  font-size: 14px;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  margin-bottom: 16px;
  outline: none;
}
#levelTimerModal input:focus {
  border-color: #0969da;
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.2);
}
#levelTimerModal .modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
#levelTimerModal .modal-btn-start {
  background: #2da44e;
  color: #ffffff;
  border: 1px solid rgba(27, 31, 36, 0.15);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
#levelTimerModal .modal-btn-start:hover {
  background: #2c974b;
}