:root {
  --light-color-primary: #f721b0;
  --light-color-primary-hover: #ff5dc8;
  --light-color-primary-text: #333;
  --light-color-secondary: #e6e6e6;
  --light-color-secondary-hover: #d9d9d9;
  --light-color-solutions: #27ae60;
  --light-color-solutions-hover: #219955;
  --light-color-error: #ff0000;
  --light-color-error-bg: #ffdddd;
  --light-color-success-bg: #ddffdd;
  --light-color-success: #00aa00;
  --light-color-pangram-bg: #fff2cc;
  --light-color-pangram-text: #856404;
  --light-color-bg: #f9f9f9;
  --light-color-text: #555;
  --light-color-text-light: #777;
  --light-color-text-item: #333;
  --light-color-item-bg: #f0f0f0;
  --light-color-border: #ddd;

  --dark-color-primary: #f721b0;
  --dark-color-primary-hover: #ff5dc8;
  --dark-color-primary-text: #f0f0f0;
  --dark-color-secondary: #444444;
  --dark-color-secondary-hover: #555555;
  --dark-color-solutions: #27ae60;
  --dark-color-solutions-hover: #219955;
  --dark-color-error: #ff5555;
  --dark-color-error-bg: #552222;
  --dark-color-success-bg: #225522;
  --dark-color-success: #55cc55;
  --dark-color-pangram-bg: #554422;
  --dark-color-pangram-text: #ffcc55;
  --dark-color-bg: #222222;
  --dark-color-text: #dddddd;
  --dark-color-text-light: #aaaaaa;
  --dark-color-text-item: #f0f0f0;
  --dark-color-item-bg: #333333;
  --dark-color-border: #555555;

  --color-primary: var(--light-color-primary);
  --color-primary-hover: var(--light-color-primary-hover);
  --color-primary-text: var(--light-color-primary-text);
  --color-secondary: var(--light-color-secondary);
  --color-secondary-hover: var(--light-color-secondary-hover);
  --color-solutions: var(--light-color-solutions);
  --color-solutions-hover: var(--light-color-solutions-hover);
  --color-error: var(--light-color-error);
  --color-error-bg: var(--light-color-error-bg);
  --color-success-bg: var(--light-color-success-bg);
  --color-success: var(--light-color-success);
  --color-pangram-bg: var(--light-color-pangram-bg);
  --color-pangram-text: var(--light-color-pangram-text);
  --color-bg: var(--light-color-bg);
  --color-text: var(--light-color-text);
  --color-text-light: var(--light-color-text-light);
  --color-text-item: var(--light-color-text-item);
  --color-item-bg: var(--light-color-item-bg);
  --color-border: var(--light-color-border);
}

:root.dark-theme {
  --color-primary: var(--dark-color-primary);
  --color-primary-hover: var(--dark-color-primary-hover);
  --color-primary-text: var(--dark-color-primary-text);
  --color-secondary: var(--dark-color-secondary);
  --color-secondary-hover: var(--dark-color-secondary-hover);
  --color-solutions: var(--dark-color-solutions);
  --color-solutions-hover: var(--dark-color-solutions-hover);
  --color-error: var(--dark-color-error);
  --color-error-bg: var(--dark-color-error-bg);
  --color-success-bg: var(--dark-color-success-bg);
  --color-success: var(--dark-color-success);
  --color-pangram-bg: var(--dark-color-pangram-bg);
  --color-pangram-text: var(--dark-color-pangram-text);
  --color-bg: var(--dark-color-bg);
  --color-text: var(--dark-color-text);
  --color-text-light: var(--dark-color-text-light);
  --color-text-item: var(--dark-color-text-item);
  --color-item-bg: var(--dark-color-item-bg);
  --color-border: var(--dark-color-border);
}

.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle-buttons {
  display: flex;
  background-color: var(--color-secondary);
  border-radius: 20px;
  padding: 3px;
}

.theme-btn {
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 15px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  transition: all 0.2s ease;
}

.theme-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.theme-btn.active {
  background-color: var(--color-primary);
}

.theme-icon {
  font-size: 16px;
}

@media (prefers-color-scheme: dark) {
  :root.auto-theme {
    --color-primary: var(--dark-color-primary);
    --color-primary-hover: var(--dark-color-primary-hover);
    --color-primary-text: var(--dark-color-primary-text);
    --color-secondary: var(--dark-color-secondary);
    --color-secondary-hover: var(--dark-color-secondary-hover);
    --color-solutions: var(--dark-color-solutions);
    --color-solutions-hover: var(--dark-color-solutions-hover);
    --color-error: var(--dark-color-error);
    --color-error-bg: var(--dark-color-error-bg);
    --color-success-bg: var(--dark-color-success-bg);
    --color-success: var(--dark-color-success);
    --color-pangram-bg: var(--dark-color-pangram-bg);
    --color-pangram-text: var(--dark-color-pangram-text);
    --color-bg: var(--dark-color-bg);
    --color-text: var(--dark-color-text);
    --color-text-light: var(--dark-color-text-light);
    --color-text-item: var(--dark-color-text-item);
    --color-item-bg: var(--dark-color-item-bg);
    --color-border: var(--dark-color-border);
  }
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  max-width: 800px;
  margin: 0 auto;
}
h1 {
  color: var(--color-primary);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
  margin-bottom: 10px;
}
.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.info {
  color: var(--color-text);
  margin-bottom: 20px;
  text-align: center;
}
.date-display {
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: 5px;
}
.date-picker-container {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.date-picker-container input[type="date"] {
  padding: 5px 10px;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  font-family: inherit;
  color: var(--color-primary-text);
  background-color: var(--color-bg);
}
.date-picker-container button {
  padding: 5px 10px;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.error-message {
  color: var(--color-error);
  font-weight: bold;
  margin-top: 10px;
}
.hive {
  display: grid;
  grid-template-areas:
    ". a ."
    "b . c"
    ". d ."
    "e . f"
    ". g .";
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr 1fr 1fr;
  width: 300px;
  height: 300px;
  margin: 20px auto;
  place-items: center;
  justify-content: center;
  align-content: center;
}
.cell {
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  font-weight: bold;
  border-radius: 50%;
  cursor: pointer;
  margin: 0;
  user-select: none;
  transition: transform 0.1s;
  place-self: center;
}
.cell:hover {
  transform: scale(1.05);
}
.cell:active {
  transform: scale(0.95);
}
.center {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
}
.outer {
  background-color: var(--color-secondary);
  color: var(--color-primary-text);
}
.input-area {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
#word-input {
  color: var(--color-primary-text);
  font-size: 24px;
  border: none;
  background-color: transparent;
  text-align: center;
  border-bottom: 2px solid var(--color-border);
  padding: 10px;
  width: 80%;
  max-width: 400px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
#word-input:focus {
  outline: none;
  border-bottom-color: var(--color-primary);
}
.buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
button {
  color: var(--color-primary-text);
  background-color: var(--color-primary);
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.2s;
}
button:hover {
  background-color: var(--color-primary-hover);
}
button:active {
  transform: scale(0.95);
}
.delete-btn {
  background-color: var(--color-secondary);
}
.delete-btn:hover {
  background-color: var(--color-secondary-hover);
}
.shuffle-btn {
  background-color: var(--color-secondary);
}
.shuffle-btn:hover {
  background-color: var(--color-secondary-hover);
}
.solutions-btn {
  background-color: var(--color-solutions);
  color: white;
}
.solutions-btn:hover {
  background-color: var(--color-solutions-hover);
}

.date-nav-btn {
  background-color: var(--color-secondary);
  color: var(--color-primary-text);
  border: none;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: background-color 0.2s;
}

.date-nav-btn:hover {
  background-color: var(--color-secondary-hover);
}

.buttons-container {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

.copy-btn {
  background-color: #2196f3;
  color: white;
}
.copy-btn:hover {
  background-color: #0b7dda;
}

.reset-btn {
  background-color: #ff9800;
  color: white;
}
.reset-btn:hover {
  background-color: #e08600;
}

.delete-all-btn {
  background-color: #f44336;
  color: white;
}
.found-words {
  width: 100%;
  max-width: 500px;
  margin-top: 20px;
}
.found-words h3 {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 5px;
}
.words-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.word-item {
  background-color: var(--color-item-bg);
  padding: 5px 10px;
  border-radius: 15px;
  font-size: 14px;
  color: var(--color-text-item);
}
.pangram {
  background-color: var(--color-primary);
  font-weight: bold;
}
.score-section {
  color: var(--color-primary-text);
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.score-bar {
  width: 100%;
  background-color: var(--color-secondary);
  height: 10px;
  border-radius: 5px;
  margin-top: 10px;
  position: relative;
}
.score-fill {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: 5px;
  transition: width 0.5s;
}
.ranks {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: 5px;
  font-size: 12px;
  color: var(--color-text-light);
}
.message {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 14px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s;
}
.error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
}
.success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}
.pangram-message {
  background-color: var(--color-pangram-bg);
  color: var(--color-pangram-text);
}
.visible {
  opacity: 1;
}
@media (max-width: 600px) {
  .hive {
    width: 250px;
    height: 250px;
  }
  .cell {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
  .buttons-container {
    flex-direction: column;
  }
  
  .theme-toggle {
    position: relative;
    top: 0;
    right: 0;
    margin: 0 0 10px 0;
    justify-content: center;
    width: 100%;
  }
  
  h1 {
    margin-top: 5px;
  }
}

.solutions-section {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
  background-color: var(--color-bg);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.solutions-section h2 {
  text-align: center;
  margin-bottom: 15px;
  color: var(--color-primary);
}
.solutions-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.solution-item {
  padding: 8px 12px;
  background-color: var(--color-secondary);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--color-primary-text);
  font-weight: bold;
}
.solution-item.pangram {
  background-color: #ffdc5c;
  color: #333;
}
.solution-item.found-word {
  background-color: var(--color-primary);
  color: white;
}