.scroll-container {
  height: calc(var(--vh, 1vh) * 100);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.scroll-container::-webkit-scrollbar {
  display: none;
}
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #fff8e1;
  color: #1a2b4c;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}
h2,
h5,
h6 {
  box-sizing: border-box;
  margin-bottom: 10px;
  width: 100%;
  word-wrap: break-word;
}
h2 {
  margin: 0;
  font-size: 22px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}
h5 {
  font-size: 14px;
  font-style: italic;
  text-align: right;
  margin-top: 0;
  margin-bottom: 8px;
}
.version {
  display: block;
  font-size: 12px;
  font-style: italic;
  margin-top: 0;
}
.titles-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}
.title-icon {
  width: 64px;
  height: 64px;
  margin-right: 8px;
  flex-shrink: 0;
}
.layout {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.setting-row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-end;
  width: 100%;
  max-width: 712px;
  margin-left: 0;
  margin-bottom: 4px;
  gap: 12px;
  box-sizing: border-box;
  border-top: 1px solid #cfd8dc;
  padding: 8px 0;
}
.reset-settings-btn {
  align-items: center;
  background: #f9fbe7;
  border: none;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(3, 64, 120, 0.2);
  color: #0277bd;
  cursor: pointer;
  display: flex;
  flex-shrink: 0;
  font-size: 22px;
  height: 36px;
  justify-content: center;
  outline: none;
  transition: background-color 0.3s ease, color 0.3s ease;
  width: 36px;
}
.default-btn {
  padding: 4px 8px;
  font-size: 0.8em;
  font-weight: normal;
  border-radius: 6px;
  border: 1px solid #b3d4fc;
  background-color: #f0f9ff;
  color: #1a2b4c;
  opacity: 0.5;
  cursor: pointer;
  box-sizing: border-box;
}
.default-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.block-setting,
.block-numbers,
.block-button {
  width: 100%;
  box-sizing: border-box;
  background: #ffffff;
  border: 2px solid #b3d4fc;
  border-radius: 15px;
  padding: 12px;
  margin-top: 8px;
  box-shadow: 0 4px 12px rgba(3, 102, 214, 0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.count-group-wrapper,
.speed-group-wrapper,
.language-panel-wrapper {
  background: #ffffff;
  border: 1px solid #b3d4fc;
  border-radius: 10px;
  padding: 6px;
  box-sizing: border-box;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.count-group,
.speed-group {
  display: grid;
  grid-template-columns: auto min-content;
  row-gap: 8px;
  column-gap: 8px;
  width: 100%;
  flex: 1;
}
select {
  background-color: #f7fbff;
  border-radius: 6px;
  border: 1px solid #b3d4fc;
  box-shadow: none;
  font-size: 0.85em;
  color: #1a2b4c;
}
.count-group select,
.speed-group select {
  height: 26px;
  width: 65px;
  text-align: right;
  box-sizing: border-box;
  font-size: 0.9em;
}
.top-language-wrapper {
  width: fit-content;
  align-self: flex-end;
  margin-left: auto;
}
.block-setting label,
.language-panel label,
.top-language-wrapper label {
  font-weight: 600;
  font-size: 0.95em;
  color: #1a2b4c;
  white-space: nowrap;
}
.top-language-wrapper select {
  padding: 4px 8px;
  font-size: 0.95em;
  border-radius: 6px;
  border: 1px solid #b3d4fc;
  background-color: #f7fbff;
  color: #1a2b4c;
}
.language-panel {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.language-panel select {
  width: 100%;
  padding: 6px;
  box-sizing: border-box;
  font-size: 0.95em;
}
.controls-buttons {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: stretch;
  width: 100%;
  gap: 8px;
}
.controls-buttons button {
  flex: 1;
  padding: 10px 0;
  border: 2px solid #b3d4fc;
  background: #e3f2fd;
  color: #1a2b4c;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 0.85em;
}
.controls-buttons button:disabled {
  background: #eee;
  border-color: #ccc;
  color: #999;
  cursor: not-allowed;
}
.controls-buttons button:not(:disabled):hover {
  background: #d0e7fd;
  color: #034078;
  border-color: #0366d6;
}
.repeat-group {
  padding: 4px 0;
  font-weight: 600;
  font-size: 0.95em;
  text-align: left;
  color: #5a7899;
  border-top: 1px solid #cfd8dc;
}
.number-area {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  justify-content: center;
  gap: 6px;
  padding-top: 6px;
  margin-bottom: 10px;
  width: 100%;
  box-sizing: border-box;
}
.number-area .column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.number-input {
  width: 55px;
  height: 34px;
  font-size: 1.4em;
  text-align: center;
  box-sizing: border-box;
  border: 1px solid #b3d4fc;
  border-radius: 6px;
  padding: 2px;
  transition: box-shadow 0.2s, outline 0.2s;
  margin: 0 auto;
  background-color: #f7fbff;
  color: #1a2b4c;
}
.number-input.selected {
  outline: 2px solid #0366d6;
  outline-offset: -1px;
}
.number-input.highlight {
  background-color: #e6f2ff;
  font-weight: bold;
  color: #0a3c78;
}
.disabled {
  opacity: 0.5;
}
label.disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: default;
}
select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.repeats-text {
  padding-left: 8px;
  font-size: 0.85em;
}
.developer {
  display: flex;
  justify-content: right;
  gap: 8px;
  width: 100%;
  max-width: 712px;
  margin-top: 24px;
  margin-right: auto;
  box-sizing: border-box;
}
.developer button {
  width: 80px;
  padding: 6px 12px;
  font-size: 0.75em;
  background-color: #f0f9ff;
  color: #5a7899;
  border: 1px solid #b3d4fc;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}
.developer button:hover {
  background-color: #e2f0fb;
  border-color: #0366d6;
}

@media (min-width: 768px) {
  .layout {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .block-setting select {
    min-width: 60px;
  }
  .repeats-text {
    font-size: 1em;
  }
  .content-wrapper {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 12px;
    width: 100%;
  }
  .block-numbers,
  .setting-button-wrapper {
    align-self: stretch;
  }
  .setting-button-wrapper {
    display: flex;
    flex-direction: column-reverse;
    gap: 6px;
    flex: 1;
  }
  .block-setting {
    display: flex;
    flex-direction: column-reverse;
    gap: 14px;
    width: 240px;
  }
  .count-group-wrapper,
  .speed-group-wrapper {
    width: 100%;
  }
  .language-panel-wrapper {
    display: block;
  }
  .language-panel {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .language-panel select {
    width: 100%;
    padding: 6px;
    font-size: 0.95em;
    box-sizing: border-box;
  }
  .controls-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }
  .controls-buttons button {
    width: 100%;
    padding: 10px 0;
    font-size: 1em;
  }
  .block-numbers {
    display: flex;
    flex-direction: column;
    width: 420px;
    min-width: 420px;
    flex-shrink: 0;
    padding-top: 26px;
    padding-bottom: 12px;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
    height: 100%;
  }
  .number-area {
    width: 384px;
    margin-left: auto;
    margin-right: auto;
    gap: 12px;
    padding-top: 0;
    margin-bottom: 0;
  }
  .number-area .column {
    gap: 14px;
  }
  .number-input {
    width: 75px;
    height: 34px;
    font-size: 1.6em;
  }
  .repeat-group {
    border-bottom: none;
    border-top: 1px solid #fcd34d;
    margin-top: 12px;
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .setting-row {
    max-width: 712px;
    margin-left: 0;
    margin-bottom: 8px;
  }
  /* .developer {
    margin-left: auto;
  } */
}