body {
  /* Moderner dunkler Hintergrund mit leichtem Verlauf */
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  min-height: 100vh;
}

.mybtn {
  position: relative;
  padding: 0;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0rem;
  border: 4px solid rgba(255, 255, 255, 0.8);
  outline: none;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 40px;
  transition: .13s ease-in-out;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);

  &:active {
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);

    .mybtn__content {
      box-shadow: none;

      .button__text,
      .button__icon {
        transform: translate3d(0px, 6px, 0px);
        transition: .13s ease-in-out;
      }
    }
  }

  &:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
  }
}

.mybtn__content {
  position: relative;
  display: grid;
  padding: 16px;
  width: 100%;
  height: 100%;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  box-shadow: inset 0px -8px 0px rgba(0, 0, 0, 0.473), 0px -8px 0px rgba(102, 126, 234, 0.637);
  border-radius: 40px;
  transition: .13s ease-in-out;
  z-index: 1;
}

.box {
  background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
  box-sizing: border-box;
  width: 100%;
  border: solid;
  border-color: rgba(255, 255, 255, 0.1);
  border-width: 0.3rem;
  padding: 1rem;
  margin: 1rem;
  border-radius: 15px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

}

.button {
  position: relative;
  padding: 0;
  width: 4rem;
  height: 4rem;
  border: 4px solid rgba(255, 255, 255, 0.8);
  outline: none;
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 50%, #ff4757 100%);
  border-radius: 40px;
  transition: .13s ease-in-out;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);

  &:active {
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.2);

    .button__content {
      box-shadow: none;

      .button__text,
      .button__icon {
        transform: translate3d(0px, 0px, 0px);
      }
    }
  }

  &:hover {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b6b 100%);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
  }

  .button__content {
    position: relative;
    display: grid;
    padding: 20px;
    width: 100%;
    height: 100%;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    box-shadow: inset 0px -8px 0px rgba(0, 0, 0, 0.2), 0px -8px 0px rgba(255, 107, 107, 0.3);
    border-radius: 40px;
    transition: .13s ease-in-out;
    z-index: 1;
  }
}

.text {
  color: rgba(255, 255, 255, 0.95);
  align-items: center;
  text-align: center;
  vertical-align: middle;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.boogaloo {
  font-family: "Boogaloo", serif;
  font-weight: 400;
  font-style: normal;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.boogaloo2 {
  font-family: "Boogaloo", serif;
  font-weight: 400;
  font-style: normal;
  font-size: 1.3rem;
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo {
  width: 3rem;
  height: 3rem;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.sprache {
  --bs-btn-padding-x: 0.5rem;
  --bs-btn-padding-y: 0.375rem;
  --bs-btn-font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --bs-btn-font-size: 1rem;
  --bs-btn-font-weight: 400;
  --bs-btn-line-height: 1.5;
  --bs-btn-color: #ffff;
  --bs-btn-bg: transparent;
  --bs-btn-border-width: 1px;
  --bs-btn-border-color: transparent;
  --bs-btn-border-radius: 0.375rem;
  --bs-btn-hover-border-color: transparent;
  --bs-btn-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075);
  --bs-btn-disabled-opacity: 0.65;
  --bs-btn-focus-box-shadow: 0 0 0 0.25rem rgba(var(--bs-btn-focus-shadow-rgb), .5);
  display: inline-block;
  padding: var(--bs-btn-padding-y) var(--bs-btn-padding-x);
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: 0.95rem;
  font-weight: bold;
  line-height: var(--bs-btn-line-height);
  color: #ffffff;
  letter-spacing: 0.0625em;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
  border-radius: var(--bs-btn-border-radius);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0) 0%, rgba(118, 75, 162, 0) 100%);
  backdrop-filter: blur(10px);
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}



.popup {
  display: none;
  position: fixed;
  left: 48%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #ffffff;
  padding: 20px;
  background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
  z-index: 1000;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border-radius: 15px;
  text-align: center;
  box-sizing: border-box;
  width: 50%;
  border: solid;
  border-color: rgba(255, 255, 255, 0.1);
  border-width: 0.3rem;
  margin: 1rem;
  backdrop-filter: blur(20px);
}

.popup-overlay {
  display: none;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
  backdrop-filter: blur(5px);
  z-index: 999;
}

.popup-btn {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  color: #333;
  border: none;
  padding: 10px 20px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(168, 237, 234, 0.3);
}

.popup-btn:hover {
  background: linear-gradient(135deg, #fed6e3 0%, #a8edea 100%);
  box-shadow: 0 6px 20px rgba(168, 237, 234, 0.4);
}