:root,
.theme-light {
  --ltt-accent: #6d28d9;
  --ltt-accent-2: #7c3aed;
  --ltt-accent-3: #5b21b6;
  --ltt-glow: rgba(109, 40, 217, 0.25);
  --ltt-glow-soft: rgba(109, 40, 217, 0.12);
  --ltt-label-color: #3b0764;
  --ltt-moon-bg: #e9e0ff;
  --ltt-moon-stroke: rgba(109, 40, 217, 0.2);
  --ltt-on-accent: #fff;
  --ltt-danger: #dc2626;
}

.theme-dark {
  --ltt-accent: #8b5cf6;
  --ltt-accent-2: #a78bfa;
  --ltt-accent-3: #c4b5fd;
  --ltt-glow: rgba(139, 92, 246, 0.35);
  --ltt-glow-soft: rgba(139, 92, 246, 0.15);
  --ltt-label-color: #e9d5ff;
  --ltt-moon-bg: #0f172a;
  --ltt-moon-stroke: rgba(255, 255, 255, 0.1);
  --ltt-on-accent: #fff;
  --ltt-danger: #f87171;
}

.ltt-root {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 2rem;
  padding: 1.5rem;
  color: var(--text-base);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.ltt-presets {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.ltt-preset-btn {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.03em;
}

.ltt-preset-btn:hover,
.ltt-preset-btn.active {
  border-color: var(--ltt-accent);
  color: var(--ltt-accent-3);
  box-shadow: 0 0 14px var(--ltt-glow-soft);
  transform: translateY(-1px);
}

.ltt-body {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 700px) {
  .ltt-body {
    grid-template-columns: 1fr;
  }
}

.ltt-portal-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.ltt-portal-wrap {
  position: relative;
  width: 220px;
  flex-shrink: 0;
}

.ltt-portal-svg {
  width: 220px;
  height: 220px;
  display: block;
}

.ltt-ring {
  transform-origin: 120px 120px;
}

.ltt-ring-a {
  animation: ltt-spin-a 40s linear infinite;
}

.ltt-ring-b {
  animation: ltt-spin-b 25s linear infinite reverse;
}

.ltt-ring-c {
  animation: ltt-spin-a 18s linear infinite;
}

@keyframes ltt-spin-a {
  to { transform: rotate(360deg); }
}

@keyframes ltt-spin-b {
  to { transform: rotate(360deg); }
}

.ltt-tide-badge {
  position: absolute;
  bottom: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 2rem;
  padding: 0.3rem 0.9rem 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.ltt-tide-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ltt-label-color);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ltt-tide-bar-wrap {
  width: 60px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}

.ltt-tide-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--ltt-accent), var(--ltt-accent-3));
  width: 0%;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 8px var(--ltt-glow);
}

.ltt-tide-pct {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

.ltt-magic-strip {
  font-size: 0.72rem;
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  max-width: 220px;
  line-height: 1.4;
  min-height: 2.4em;
}

.ltt-controls-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ltt-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.ltt-day-block {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ltt-day-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.ltt-day-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ltt-accent);
  text-shadow: 0 0 18px var(--ltt-glow);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.ltt-slider {
  width: 100%;
  cursor: pointer;
  accent-color: var(--ltt-accent);
  height: 3px;
}

.ltt-step-row {
  display: flex;
  gap: 0.4rem;
}

.ltt-step-btn {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-base);
  padding: 0.5rem 0;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ltt-step-btn:hover {
  background: var(--ltt-accent);
  border-color: var(--ltt-accent);
  color: var(--ltt-on-accent);
  transform: scale(1.06);
  box-shadow: 0 0 12px var(--ltt-glow);
}

.ltt-step-pos {
  color: var(--ltt-accent-3);
}

.ltt-reset-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 0.7rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.ltt-reset-btn:hover {
  border-color: var(--ltt-accent);
  color: var(--ltt-accent-3);
}

.ltt-moons-block {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ltt-moons-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ltt-add-btn {
  background: var(--bg-surface);
  border: 1px solid var(--ltt-accent);
  color: var(--ltt-accent-3);
  padding: 0.3rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ltt-add-btn:hover {
  background: var(--ltt-accent);
  color: var(--ltt-on-accent);
  box-shadow: 0 0 12px var(--ltt-glow);
}

.ltt-moons-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.ltt-moon-row {
  display: grid;
  grid-template-columns: 28px 1fr 60px 50px 28px 24px;
  gap: 0.4rem;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 0.5rem 0.6rem;
  transition: border-color 0.2s;
}

.ltt-moon-row:hover {
  border-color: var(--ltt-accent);
}

.ltt-moon-vis-mini {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ltt-moon-input {
  background: transparent;
  border: none;
  color: var(--text-base);
  font-size: 0.82rem;
  font-weight: 500;
  width: 100%;
  outline: none;
  min-width: 0;
}

.ltt-moon-input::placeholder {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.ltt-moon-num {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  color: var(--text-base);
  padding: 0.2rem 0.4rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  text-align: center;
  width: 100%;
}

.ltt-color-swatch {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: none;
}

.ltt-color-swatch::-webkit-color-swatch-wrapper {
  padding: 0;
}

.ltt-color-swatch::-webkit-color-swatch {
  border-radius: 50%;
  border: 1px solid var(--border-color);
}

.ltt-remove-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  transition: color 0.15s;
}

.ltt-remove-btn:hover {
  color: var(--ltt-danger);
}

.ltt-phase-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding-left: 0.5rem;
}

.ltt-phase-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

.ltt-forecast-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ltt-forecast-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.ltt-forecast {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 0.5rem;
}

@media (max-width: 700px) {
  .ltt-forecast {
    grid-template-columns: repeat(5, 1fr);
  }
}

.ltt-fc-cell {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 0.85rem;
  padding: 0.5rem 0.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
  transition: border-color 0.2s, transform 0.15s;
  cursor: default;
}

.ltt-fc-cell:hover {
  border-color: var(--ltt-accent);
  transform: translateY(-2px);
}

.ltt-fc-day {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
}

.ltt-fc-dots {
  display: flex;
  gap: 2px;
  justify-content: center;
}

.ltt-fc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.ltt-fc-pct {
  font-size: 0.6rem;
  color: var(--text-muted);
}

.ltt-fc-cell.ltt-fc-peak {
  border-color: var(--ltt-accent);
  box-shadow: 0 0 10px var(--ltt-glow-soft);
}

.ltt-fc-cell.ltt-fc-peak .ltt-fc-day {
  color: var(--ltt-accent-3);
}