/* === Base Styles === */
* {
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  text-align: center;
  padding: 20px;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.page-title {
  margin: 0 0 10px 0;
  font-size: 2rem;
  font-weight: 600;
}

.logo {
  font-weight: bold;
}

.logo .highlight {
  background-color: #ffaa00;
  padding: 1px 3px;
  border-radius: 3px;
}

/* Light mode - black text */
[data-theme="light"] .logo {
  color: black;
}

[data-theme="light"] .logo .highlight {
  color: black;
}

/* Dark mode - white text */
[data-theme="dark"] .logo {
  color: white;
}

[data-theme="dark"] .logo .highlight {
  color: black; /* Keep highlight text black for contrast with yellow background */
}

.words-summary {
  font-weight: bold;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.current-word {
  font-size: 1.5rem;
  font-weight: 600;
  height: 2rem; /* Fixed height to prevent jumping */
  margin: 20px 0 10px 0;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.message {
  min-height: 1.5rem;
  font-weight: bold;
  color: var(--message-color);
  margin-bottom: 15px;
  display: block;
  line-height: 1.5rem;
  transition: opacity 0.2s ease; /* Smooth fade */
}

.mode-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin: 10px 0;
  max-width: 400px; /* Match new content width */
  width: 100%;
}

.toggle-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  display: none; /* Hide the default checkbox */
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 22px;
  background-color: var(--grid-border);
  border-radius: 22px;
  transition: background-color 0.3s ease;
  border: 2px solid var(--grid-border);
  flex-shrink: 0; /* Prevent the toggle from shrinking */
}

.toggle-switch::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 16px;
  height: 16px;
  background-color: var(--bg-color);
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-label input[type="checkbox"]:checked + .toggle-switch {
  background-color: var(--center-bg);
  border-color: var(--center-bg);
}

.toggle-label input[type="checkbox"]:checked + .toggle-switch::after {
  transform: translateX(22px);
}

.toggle-text {
  font-size: 0.85rem;
  color: var(--text-color);
  text-align: center;
}

/* NO hover effects at all - only active for press feedback */
.toggle-switch:active {
  opacity: 0.8;
  transition: opacity 0.1s ease;
}

/* Focus style for accessibility */
.toggle-label input[type="checkbox"]:focus-visible + .toggle-switch {
  outline: 2px solid var(--center-bg);
  outline-offset: 2px;
}

.found-words-container {
  max-width: 400px; /* Match the implied content width from button positioning */
  width: 100%;
  margin: 20px auto;
  text-align: left;
  overflow-wrap: break-word;
}

.word-group {
  margin-bottom: 20px;
}

.word-group h3 {
  margin: 12px 0 6px;
  font-weight: bold;
  color: var(--text-color);
}

.words-list {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.4;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px; /* vertical gap 4px, horizontal gap 12px */
}

.word-link {
  color: var(--text-color);
  text-decoration: none;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background-color 0.2s ease;
  display: inline-block;
  white-space: nowrap;
}

.word-link:hover {
  background-color: var(--grid-bg);
  text-decoration: underline;
}

.remaining-count {
  font-style: italic;
  color: var(--found-words-color);
  margin: 4px 0;
}

.date-navigation {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 20px 0;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-btn {
  padding: 8px 16px;
  border: 2px solid var(--grid-border);
  background-color: var(--bg-color);
  color: var(--text-color);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
}

.nav-btn:hover:not(:disabled) {
  background-color: var(--grid-bg);
  transform: translateY(-2px);
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.date-input {
  padding: 8px 12px;
  border: 2px solid var(--grid-border);
  background-color: var(--bg-color);
  color: var(--text-color);
  border-radius: 6px;
  font-size: 14px;
}

/* === Animations === */
@keyframes celebration {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.celebrating {
  animation: celebration 0.5s ease-in-out;
}

/* === Focus Styles === */
.control-btn:focus-visible,
.nav-btn:focus-visible,
.date-input:focus-visible {
  outline: 2px solid var(--center-bg);
  outline-offset: 2px;
}

/* === Responsive Design === */
@media (max-width: 768px) {
  .game-container {
    gap: 15px;
  }

  .controls {
    width: 170px; /* Match mobile grid width: 3 * 50px + 2 * 10px */
  }

  .date-navigation {
    flex-direction: column;
    gap: 10px;
  }

  .letters-grid {
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(3, 50px);
  }

  .letter-cell {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  .mode-selector {
    max-width: 300px; /* Match mobile content width */
  }

  .toggle-text {
    font-size: 0.75rem; /* Even smaller text on mobile */
  }

  .toggle-switch {
    width: 40px;
    height: 20px;
  }

  .toggle-switch::after {
    width: 14px;
    height: 14px;
  }

  .toggle-label input[type="checkbox"]:checked + .toggle-switch::after {
    transform: translateX(20px);
  }

  .found-words-container {
    max-width: 300px; /* Match mobile content width */
  }

  .words-list {
    gap: 3px 8px; /* Smaller gaps on mobile */
  }
}

/* Desktop: horizontal layout for toggle and ADD BACK hover only for desktop */
@media (min-width: 769px) {
  .toggle-label {
    flex-direction: row;
    gap: 10px;
  }

  /* Only add hover on desktop screens */
  .toggle-switch:hover {
    opacity: 0.8;
  }
}