:root {
  --color-paper: #f4f1e8;
  --color-paper-deep: #ece7d9;
  --color-ink: #1c1b18;
  --color-ink-soft: #6b665b;
  --color-line: #d9d3c3;
  --color-accent: #d8442a;
  --color-accent-deep: #b0331d;
  --color-mark: #e0a92e;
  --font-display: Inter, Noto Sans TC, sans-serif;
  --font-body: Inter, Noto Sans TC, sans-serif;
  --font-mono: Inter, Noto Sans TC, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

.tool-intro {
  margin-block: 24px 40px;
  color: #6b665b;
}

.spinner-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
  padding-bottom: 64px;
}
@media (max-width: 720px) {
  .spinner-layout {
    grid-template-columns: 1fr;
  }
}

.options-panel {
  background: #ece7d9;
  border: 1px solid #d9d3c3;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 24px;
}
@media (max-width: 720px) {
  .options-panel {
    position: static;
  }
}

.options-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.options-title {
  font-weight: 600;
  font-size: 1rem;
}

.options-count {
  font-size: 1rem;
  color: #6b665b;
  letter-spacing: 0.05em;
}

.options-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 340px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #d9d3c3 transparent;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #f4f1e8;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  transition: border-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.option-item:hover {
  border-color: #6b665b;
}

.option-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.option-name {
  flex: 1;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.option-delete {
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  color: #6b665b;
  padding: 0 2px;
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
  border-radius: 2px;
  transition: color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.option-delete:hover {
  color: #d8442a;
}
.option-delete:focus-visible {
  outline: 1.5px solid #d8442a;
  outline-offset: 2px;
}

.options-add {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.options-add .btn {
  justify-content: center;
}

.options-input {
  flex: 1;
  padding: 8px 16px;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  background: #f4f1e8;
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  color: #1c1b18;
  outline: none;
  transition: border-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.options-input::placeholder {
  color: #6b665b;
}
.options-input:focus {
  border-color: #1c1b18;
}

.options-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.options-footer .btn {
  flex: 1;
  font-size: 1rem;
  justify-content: center;
  white-space: nowrap;
}

.presets-group {
  display: flex;
  gap: 8px;
}

.spinner-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.wheel-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 6px 24px rgba(28, 27, 24, 0.18));
}
@media (max-width: 720px) {
  .wheel-wrap {
    width: 100%;
    justify-content: center;
  }
}

.wheel-pointer {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 22px solid #d8442a;
}

#wheel {
  display: block;
  border-radius: 50%;
  max-width: 100%;
  height: auto;
}

.spin-btn {
  appearance: none;
  background: #1c1b18;
  color: #f4f1e8;
  border: none;
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 16px 64px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.spin-btn:hover:not(:disabled) {
  background: #d8442a;
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(216, 68, 42, 0.35);
}
.spin-btn:active:not(:disabled) {
  transform: translateY(0);
}
.spin-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.spin-btn:focus-visible {
  outline: 2px solid #d8442a;
  outline-offset: 3px;
}

.spin-result {
  text-align: center;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
  pointer-events: none;
}
.spin-result.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.spin-result-label {
  font-size: 1rem;
  color: #6b665b;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.spin-result-value {
  font-size: 2.75rem;
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-weight: 800;
  line-height: 1;
}