* {
  box-sizing: border-box;
}


:root {
  --background: #f5f5f5;
  --card: #ffffff;

  --text: #111111;
  --secondary: #777777;
  --muted: #b8b8b8;
  --border: #e8e8e8;

  --on: #f5b400;
  --off: #b8b8b8;

  --switch-off: #d8d8d8;
  --switch-on: #111111;
}


body {
  margin: 0;

  min-height: 100vh;
  min-height: 100dvh;

  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;

  background: var(--background);
  color: var(--text);

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 12px;
}


.container {
  width: 100%;
  max-width: 380px;

  text-align: center;
}


.header {
  margin-bottom: 14px;
}


.header h1 {
  margin: 0;

  font-size: 22px;
  font-weight: 600;

  letter-spacing: -0.5px;
}


.header p {
  margin: 4px 0 0;

  font-size: 12px;
  font-weight: 400;

  color: var(--secondary);
}


.switch-card {
  background: var(--card);

  border: 1px solid var(--border);
  border-radius: 20px;

  padding: 24px 24px 20px;

  display: flex;
  flex-direction: column;
  align-items: center;

  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.05);

  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}


.bulb-wrapper {
  width: 130px;
  height: 130px;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-bottom: 12px;
}


.bulb {
  width: 105px;
  height: 126px;

  overflow: visible;

  transition:
    filter 0.35s ease,
    transform 0.35s ease;
}


.bulb-glow {
  fill: var(--on);

  opacity: 0;

  filter: blur(18px);

  transition:
    opacity 0.35s ease;
}


.bulb-glass {
  fill: #eeeeee;

  stroke: #cfcfcf;
  stroke-width: 2;

  transition:
    fill 0.35s ease,
    stroke 0.35s ease;
}


.bulb-base {
  fill: #d8d8d8;

  stroke: #c5c5c5;
  stroke-width: 2;

  transition:
    fill 0.35s ease,
    stroke 0.35s ease;
}


.bulb-line {
  stroke: #bdbdbd;

  stroke-width: 3;
  stroke-linecap: round;

  transition:
    stroke 0.35s ease;
}


.switch-card.on .bulb {
  filter:
    drop-shadow(
      0 0 12px
      rgba(245, 180, 0, 0.45)
    );

  transform: scale(1.03);
}


.switch-card.on .bulb-glow {
  opacity: 0.5;
}


.switch-card.on .bulb-glass {
  fill: #ffd86b;
  stroke: #f5b400;
}


.switch-card.on .bulb-base {
  fill: #4a4a4a;
  stroke: #333333;
}


.switch-card.on .bulb-line {
  stroke: #333333;
}


.switch-card.off .bulb {
  filter: none;
}


.switch-card.off .bulb-glow {
  opacity: 0;
}


.state-area {
  display: flex;
  flex-direction: column;
  align-items: center;

  margin-bottom: 18px;
}


.state {
  font-size: 26px;
  font-weight: 600;

  letter-spacing: -0.8px;

  transition:
    color 0.3s ease;
}


.state.on {
  color: var(--text);
}


.state.off {
  color: var(--secondary);
}


.position {
  margin-top: 7px;

  font-size: 14px;
  font-weight: 400;

  color: var(--secondary);
}


.toggle {
  position: relative;

  display: inline-block;

  width: 64px;
  height: 36px;

  cursor: pointer;
}


.toggle input {
  position: absolute;

  opacity: 0;

  width: 0;
  height: 0;
}


.slider {
  position: absolute;

  inset: 0;

  background: var(--switch-off);

  border-radius: 999px;

  transition:
    background-color 0.25s ease;
}


.slider::before {
  content: "";

  position: absolute;

  width: 28px;
  height: 28px;

  left: 4px;
  top: 4px;

  background: #ffffff;

  border-radius: 50%;

  box-shadow:
    0 2px 5px rgba(0, 0, 0, 0.15);

  transition:
    transform 0.25s ease;
}


.toggle input:checked + .slider {
  background: var(--switch-on);
}


.toggle input:checked + .slider::before {
  transform: translateX(28px);
}


.toggle:active .slider::before {
  width: 30px;
}


.switch-card.loading {
  pointer-events: none;
}


.switch-card.loading .bulb {
  opacity: 0.55;
}


.switch-card.loading .slider::before {
  opacity: 0.6;
}


.message {
  min-height: 18px;

  margin: 12px 0 0;

  font-size: 13px;
  font-weight: 500;

  color: var(--secondary);
}


.message.error {
  color: #c0392b;
}


.connection-status {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--secondary);
}


.connection-status.error {
  color: #c0392b;
}


@media (max-width: 480px) {

  body {
    padding: 10px;
  }


  .header {
    margin-bottom: 10px;
  }


  .header h1 {
    font-size: 20px;
  }


  .switch-card {
    padding: 20px 18px 18px;

    border-radius: 18px;
  }


  .bulb-wrapper {
    width: 118px;
    height: 118px;
  }


  .bulb {
    width: 96px;
    height: 115px;
  }


  .state {
    font-size: 24px;
  }


  .state-area {
    margin-bottom: 14px;
  }
}