.ctd-wrapper {
  --ctd-primary: #6366f1;
  --ctd-secondary: #8b5cf6;
  --ctd-accent: #ec4899;

  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.ctd-card {
  background: white;
  border-radius: 2.5rem;
  padding: 3rem;
  max-width: 700px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.theme-dark .ctd-card {
  background: rgb(30, 41, 59);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.ctd-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.ctd-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  border-radius: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
  flex-shrink: 0;
}

.ctd-icon svg {
  width: 32px;
  height: 32px;
}

.ctd-header h2 {
  font-size: 2rem;
  font-weight: 900;
  margin: 0;
  color: rgb(15, 23, 42);
  letter-spacing: -0.02em;
}

.theme-dark .ctd-header h2 {
  color: rgb(241, 245, 249);
}

.ctd-input-section {
  margin-bottom: 2.5rem;
}

.ctd-input-section>label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.theme-dark .ctd-input-section>label {
  color: rgb(203, 213, 225);
}

.ctd-input-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.ctd-input {
  flex: 1;
  background: rgb(248, 250, 252);
  border: 2px solid rgb(226, 232, 240);
  border-radius: 1.3rem;
  padding: 1.2rem 1.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: rgb(15, 23, 42);
  outline: none;
  transition: all 0.3s;
  box-sizing: border-box;
}

.theme-dark .ctd-input {
  background: rgb(15, 23, 42);
  border-color: rgb(51, 65, 85);
  color: rgb(241, 245, 249);
}

.ctd-input:focus {
  border-color: var(--ctd-primary);
  background: white;
  box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.1);
}

.theme-dark .ctd-input:focus {
  background: rgb(30, 41, 59);
}

.ctd-input-unit {
  font-size: 0.95rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
  white-space: nowrap;
}

.theme-dark .ctd-input-unit {
  color: rgb(203, 213, 225);
}

.ctd-presets-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--ctd-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.ctd-presets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 0.8rem;
}

.ctd-preset {
  background: rgb(241, 245, 249);
  border: 2px solid rgb(226, 232, 240);
  border-radius: 1rem;
  padding: 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgb(15, 23, 42);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.theme-dark .ctd-preset {
  background: rgb(15, 23, 42);
  border-color: rgb(51, 65, 85);
  color: rgb(241, 245, 249);
}

.ctd-preset:hover {
  border-color: var(--ctd-primary);
  background: rgb(219, 234, 254);
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(99, 102, 241, 0.2);
}

.theme-dark .ctd-preset:hover {
  background: rgba(99, 102, 241, 0.1);
}

.ctd-preset.active {
  background: linear-gradient(135deg, var(--ctd-primary), var(--ctd-secondary));
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.ctd-speed-section {
  margin-bottom: 2.5rem;
}

.ctd-speed-section>label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.theme-dark .ctd-speed-section>label {
  color: rgb(203, 213, 225);
}

.ctd-speed-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.ctd-speed-btn {
  background: rgb(241, 245, 249);
  border: 2px solid rgb(226, 232, 240);
  border-radius: 1.1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.3s;
}

.theme-dark .ctd-speed-btn {
  background: rgb(15, 23, 42);
  border-color: rgb(51, 65, 85);
}

.ctd-speed-label {
  font-size: 0.9rem;
  font-weight: 800;
  color: rgb(15, 23, 42);
}

.theme-dark .ctd-speed-label {
  color: rgb(241, 245, 249);
}

.ctd-speed-value {
  font-size: 0.75rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
}

.theme-dark .ctd-speed-value {
  color: rgb(203, 213, 225);
}

.ctd-speed-btn:hover {
  border-color: var(--ctd-primary);
  background: rgb(219, 234, 254);
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(99, 102, 241, 0.2);
}

.theme-dark .ctd-speed-btn:hover {
  background: rgba(99, 102, 241, 0.1);
}

.ctd-speed-btn.active {
  background: linear-gradient(135deg, var(--ctd-primary), var(--ctd-secondary));
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.ctd-speed-btn.active .ctd-speed-label {
  color: white;
}

.ctd-speed-btn.active .ctd-speed-value {
  color: rgba(255, 255, 255, 0.9);
}

.ctd-multiplier-section {
  margin-bottom: 2.5rem;
}

.ctd-multiplier-section>label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.theme-dark .ctd-multiplier-section>label {
  color: rgb(203, 213, 225);
}

.ctd-multiplier-input {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.ctd-times-btn {
  background: rgb(241, 245, 249);
  border: 2px solid rgb(226, 232, 240);
  border-radius: 0.9rem;
  padding: 0.8rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgb(15, 23, 42);
  cursor: pointer;
  transition: all 0.2s;
}

.theme-dark .ctd-times-btn {
  background: rgb(15, 23, 42);
  border-color: rgb(51, 65, 85);
  color: rgb(241, 245, 249);
}

.ctd-times-btn:hover {
  border-color: var(--ctd-primary);
  background: rgb(219, 234, 254);
}

.theme-dark .ctd-times-btn:hover {
  background: rgba(99, 102, 241, 0.1);
}

.ctd-times-btn.active {
  background: var(--ctd-primary);
  color: white;
  border-color: var(--ctd-primary);
}

.ctd-times-input {
  padding: 0.8rem 1rem;
  border: 2px solid rgb(226, 232, 240);
  border-radius: 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  background: rgb(248, 250, 252);
  color: rgb(15, 23, 42);
  outline: none;
  width: 80px;
  transition: all 0.2s;
  box-sizing: border-box;
}

.theme-dark .ctd-times-input {
  background: rgb(15, 23, 42);
  border-color: rgb(51, 65, 85);
  color: rgb(241, 245, 249);
}

.ctd-times-input:focus {
  border-color: var(--ctd-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.ctd-results {
  background: linear-gradient(135deg, rgb(240, 249, 255) 0%, rgb(240, 253, 244) 100%);
  border-radius: 1.5rem;
  padding: 2rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
}

.theme-dark .ctd-results {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(16, 185, 129, 0.05));
}

.ctd-result-single,
.ctd-result-total {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.ctd-result-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.theme-dark .ctd-result-label {
  color: rgb(203, 213, 225);
}

.ctd-result-time,
.ctd-result-time-total {
  font-size: 2rem;
  font-weight: 900;
  color: var(--ctd-primary);
  line-height: 1;
}

.ctd-result-life,
.ctd-result-life-total {
  font-size: 0.75rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
}

.theme-dark .ctd-result-life,
.theme-dark .ctd-result-life-total {
  color: rgb(203, 213, 225);
}

.ctd-divider {
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgb(203, 213, 225), transparent);
}

.theme-dark .ctd-divider {
  background: linear-gradient(180deg, transparent, rgba(203, 213, 225, 0.2), transparent);
}

.ctd-impact {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.ctd-impact-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(255, 140, 0, 0.1));
  border: 2px solid rgba(99, 102, 241, 0.2);
  border-radius: 1.3rem;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s;
}

.theme-dark .ctd-impact-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(255, 140, 0, 0.05));
  border-color: rgba(99, 102, 241, 0.1);
}

.ctd-impact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(99, 102, 241, 0.2);
}

.ctd-impact-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--ctd-primary), var(--ctd-accent));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.ctd-impact-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: rgb(100, 116, 139);
}

.theme-dark .ctd-impact-text {
  color: rgb(203, 213, 225);
}

.ctd-message {
  background: linear-gradient(135deg, rgb(254, 243, 199) 0%, rgb(254, 202, 202) 100%);
  border: 2px solid rgb(251, 191, 36);
  border-radius: 1.3rem;
  padding: 1.5rem;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  color: rgb(146, 64, 14);
  line-height: 1.6;
}

.theme-dark .ctd-message {
  background: linear-gradient(135deg, rgba(254, 243, 199, 0.1), rgba(254, 202, 202, 0.1));
  border-color: rgba(251, 191, 36, 0.3);
  color: rgb(251, 191, 36);
}

@media (max-width: 768px) {
  .ctd-wrapper {
    padding: 1rem;
    min-height: auto;
  }

  .ctd-card {
    padding: 1.5rem;
  }

  .ctd-header {
    margin-bottom: 1.2rem;
    gap: 0.8rem;
  }

  .ctd-header h2 {
    font-size: 1.3rem;
  }

  .ctd-results {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    padding: 1rem;
  }

  .ctd-divider {
    display: none;
  }

  .ctd-speed-buttons {
    grid-template-columns: 1fr;
  }

  .ctd-impact {
    grid-template-columns: 1fr;
  }
}