.colorsort-page {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-dark, #0a0a0f);
  color: var(--text-primary, #fff);
  min-height: 100vh;
  padding-bottom: 2rem;
}

.colorsort-header {
  text-align: center;
  padding: 1rem 1rem 0.5rem;
}

.colorsort-back {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.colorsort-title {
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.colorsort-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 26rem;
  margin: 0 auto;
  line-height: 1.45;
}

.colorsort-main {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 1rem;
}

.colorsort-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  margin: 1.25rem auto 1rem;
  justify-items: center;
}

@media (max-width: 380px) {
  .colorsort-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }
}

.colorsort-tube {
  width: 100%;
  max-width: 68px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.colorsort-tube:focus-visible {
  outline: 2px solid rgba(79, 172, 254, 0.8);
  outline-offset: 3px;
}

.colorsort-tube--selected {
  transform: scale(1.04);
  filter: drop-shadow(0 0 10px rgba(79, 172, 254, 0.55));
}

.colorsort-tube-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 6px 10px;
  min-height: 200px;
  justify-content: flex-start;
  background: linear-gradient(180deg, rgba(30, 30, 42, 0.95) 0%, rgba(18, 18, 28, 0.98) 100%);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 2px 12px rgba(0, 0, 0, 0.45);
}

.colorsort-slot {
  flex: 0 0 auto;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.colorsort-slot--ghost {
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.15);
  height: 28px;
}

.colorsort-block {
  width: 100%;
  height: 26px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 2px 5px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(0, 0, 0, 0.18);
}

.colorsort-block-img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.25));
  pointer-events: none;
  user-select: none;
}

html[data-theme="light"] .colorsort-block {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.colorsort-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem 1rem;
  margin-top: 0.5rem;
}

.colorsort-btn {
  padding: 0.55rem 1rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.88rem;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  color: #0a0a0f;
}

.colorsort-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.colorsort-btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.colorsort-btn--icon {
  min-width: 2.5rem;
  padding: 0.5rem;
  font-size: 1.1rem;
  line-height: 1;
}

.colorsort-moves {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.colorsort-moves strong {
  color: #4facfe;
}

.colorsort-msg {
  text-align: center;
  font-size: 0.88rem;
  min-height: 1.35em;
  margin-top: 0.75rem;
  color: var(--text-secondary);
}

.colorsort-msg--ok {
  color: #43e97b;
}

.colorsort-msg--err {
  color: #f5576c;
}

.colorsort-legend {
  margin-top: 1.25rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.colorsort-legend h2 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  font-weight: 700;
}

.colorsort-win {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}

.colorsort-win.is-visible {
  opacity: 1;
  visibility: visible;
}

.colorsort-win-box {
  background: #1a1a24;
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  max-width: 320px;
  border: 1px solid rgba(79, 172, 254, 0.4);
}

.colorsort-win-box h2 {
  color: #4facfe;
  margin-bottom: 0.5rem;
  font-size: 1.35rem;
}

.colorsort-win-box button {
  margin-top: 1rem;
  padding: 0.65rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  color: #0a0a0f;
  border: none;
  cursor: pointer;
}

html[data-theme="light"] .colorsort-tube-inner {
  background: linear-gradient(180deg, #e8e8f0 0%, #d8d8e8 100%);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .colorsort-slot--ghost {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.03);
}