/* CSS Variables */
:root {
  --color-bg: #fbc10d;
  --color-text: #2d2416;
  --color-surface: #fef9f0;
  --color-found: #15ca5f;
  --color-spangram: #f03a5b;
  --color-hint: #0c57f0;
  --color-selected: #fef8f0;
  --color-muted: #8a7a65;

  --shadow-standard: 8px 8px 0 var(--color-text);
  --shadow-small: 4px 4px 0 rgba(45, 36, 22, 0.3);
  --shadow-tiny: 3px 3px 0 rgba(45, 36, 22, 0.3);

  --border-standard: 4px solid var(--color-text);
  --border-thick-right: 8px;
  --border-thick-bottom: 8px;

  --font-display: 'Bungee', sans-serif;
  --font-body: 'Rubik', sans-serif;
}

/* Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow: hidden;
  touch-action: none;
  width: 100%;
  position: fixed;
  overscroll-behavior: none;
}

/* Common Layouts */
.title-screen,
.tutorial-screen,
.archive-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100vw;
  padding: 20px;
  overflow: hidden;
}

.title-screen,
.tutorial-screen {
  touch-action: none;
}

.archive-screen {
  touch-action: pan-y;
}

/* Typography */
h1 {
  font-family: var(--font-display);
  font-size: 64px;
  letter-spacing: 12px;
}

/* Game Container */
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  width: 100vw;
  padding: 20px 20px 80px 20px;
  touch-action: none;
  overflow: hidden;
  opacity: 1;
  transition: opacity 1.0s ease-out;
}

.container.fade-out {
  opacity: 0;
}

/* Grid */
.grid-wrapper {
  position: relative;
  display: inline-block;
  padding: 20px;
  touch-action: none;
  background: var(--color-surface);
  border: var(--border-standard);
  border-right-width: var(--border-thick-right);
  border-bottom-width: var(--border-thick-bottom);
  border-radius: 16px;
  box-shadow: var(--shadow-standard);
}

.grid {
  position: relative;
  z-index: 1;
  display: inline-block;
  padding: 0;
}

.row {
  display: flex;
  justify-content: center;
}

/* Cells */
.cell {
  width: 60px;
  height: 60px;
  margin: 4px;
  padding: 8px;
  cursor: pointer;
  text-transform: uppercase;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  color: var(--color-text);
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 28px;
}

.cell::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
}

.cell span {
  pointer-events: auto;
  padding: 10px;
  display: block;
  position: relative;
  z-index: 1;
}

.cell.selected::before {
  border: 3px dotted var(--color-text);
  border-radius: 50%;
  background: var(--color-selected);
}

.cell.found::before {
  border: 3px solid var(--color-text);
  border-radius: 50%;
  background: var(--color-found);
}

.cell.spangram::before {
  border: 3px solid var(--color-text);
  border-radius: 50%;
  background: var(--color-spangram);
}

.cell.hinted::before {
  background: transparent;
  border-radius: 50%;
  border: 3px dashed var(--color-hint);
  animation: hint-pulse 1s ease-in-out infinite;
}

@keyframes hint-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Lines */
.lines {
  position: absolute;
  top: 20px;
  left: 20px;
  pointer-events: none;
  z-index: 1;
}

/* Info / Active Word */
.info {
  margin-bottom: 20px;
  font-size: 28px;
  color: var(--color-text);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.feedback-message {
  color: var(--color-text);
  font-size: 28px;
  font-weight: 700;
}

.cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

/* Theme Box */
.theme-container {
  margin-bottom: 15px;
  text-align: center;
  padding: 12px 24px;
  background: var(--color-surface);
  border: var(--border-standard);
  border-right-width: var(--border-thick-right);
  border-bottom-width: var(--border-thick-bottom);
  border-radius: 16px;
  box-shadow: var(--shadow-standard);
}

.theme-label {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--color-text);
  text-transform: uppercase;
  margin-bottom: 2px;
  font-weight: 700;
}

.theme {
  font-size: 20px;
  color: var(--color-text);
  letter-spacing: 0.5px;
  text-transform: lowercase;
  font-weight: 600;
}

/* Hint Section */
.hint-section {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 15px 20px;
  background: var(--color-surface);
  border-top: var(--border-standard);
  box-shadow: 0 -4px 8px rgba(45, 36, 22, 0.1);
  z-index: 1000;
}

.hint-progress {
  display: flex;
  gap: 8px;
}

.progress-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid var(--color-text);
  background: transparent;
  transition: background 0.2s;
}

.progress-dot.filled {
  background: var(--color-text);
}

.hint-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hint-count {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

.hint-progress.flash,
.hint-count.flash {
  animation: hint-flash 0.5s ease-out;
}

@keyframes hint-flash {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(2); }
}

.hint-button {
  padding: 10px 20px;
  background: var(--color-text);
  color: var(--color-surface);
  border: 3px solid var(--color-text);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: var(--shadow-small);
  transition: transform 0.1s;
  cursor: pointer;
}

.hint-button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(45, 36, 22, 0.3);
}

.hint-button.disabled {
  cursor: default;
  background: var(--color-muted);
  border-color: var(--color-muted);
  opacity: 0.5;
}

.hint-button.disabled:hover {
  transform: none;
}

/* Boxes */
.tutorial-box,
.archive-box,
.solved-box {
  text-align: center;
  padding: 30px;
  max-width: 500px;
  background: var(--color-surface);
  border: var(--border-standard);
  border-right-width: var(--border-thick-right);
  border-bottom-width: var(--border-thick-bottom);
  border-radius: 16px;
  box-shadow: var(--shadow-standard);
}

.archive-box {
  max-width: 600px;
  width: 100%;
}

.solved-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

/* Buttons */
.play-button {
  padding: 16px 48px;
  background: var(--color-surface);
  color: var(--color-text);
  border: var(--border-standard);
  border-right-width: var(--border-thick-right);
  border-bottom-width: var(--border-thick-bottom);
  border-radius: 12px;
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: var(--shadow-standard);
  transition: transform 0.1s, box-shadow 0.1s;
  cursor: pointer;
}

.play-button:hover {
  transform: translate(4px, 4px);
  box-shadow: 4px 4px 0 var(--color-text);
}

.share-button {
  padding: 12px 24px;
  background: var(--color-text);
  color: var(--color-surface);
  border: 3px solid var(--color-text);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  box-shadow: var(--shadow-small);
  transition: transform 0.1s;
  text-transform: uppercase;
  cursor: pointer;
  min-width: 220px;
}

.share-button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(45, 36, 22, 0.3);
}

.back-button {
  margin-top: 15px;
  padding: 10px 20px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 3px solid var(--color-text);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-small);
  transition: transform 0.1s;
  text-transform: uppercase;
}

.back-button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(45, 36, 22, 0.3);
}

.results-link-button {
  padding: 12px 24px;
  background: var(--color-text);
  color: var(--color-surface);
  border: 3px solid var(--color-text);
  border-radius: 8px;
  font-size: 28px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-small);
  transition: transform 0.1s;
  text-transform: lowercase;
  animation: victory-appear 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-origin: top center;
}

@keyframes victory-appear {
  0% {
    transform: scaleY(0);
    opacity: 0;
  }
  100% {
    transform: scaleY(1);
    opacity: 1;
  }
}

.button-group,
.title-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 15px;
}

.solved-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
}

/* Title Screen */
.title-info {
  font-size: 18px;
  color: var(--color-text);
  font-weight: 600;
}

.puzzle-number {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--color-text);
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 4px;
}

.puzzle-theme-title {
  font-size: 24px;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
}

/* Tutorial Screen */
.tutorial-box h2,
.archive-box h2 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-text);
  margin-bottom: 20px;
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
}

.archive-box h2 {
  font-size: 32px;
}

.tutorial-box .play-button {
  margin-top: 20px;
}

.tutorial-list {
  text-align: left;
  margin: 0 auto;
  max-width: 400px;
  padding-left: 20px;
}

.tutorial-list li {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.25;
}

/* Archive Screen */
.archive-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  max-height: 60vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 5px;
  -webkit-overflow-scrolling: touch;
}

.archive-item {
  display: flex;
  align-items: center;
  gap: 15px;
  background: var(--color-surface);
  border: 3px solid var(--color-text);
  border-radius: 8px;
  padding: 15px 20px;
  cursor: pointer;
  transition: transform 0.1s;
  box-shadow: var(--shadow-tiny);
}

.archive-item.today {
  background: var(--color-text);
  color: var(--color-surface);
  border-width: 4px;
}

.archive-item.today .archive-number,
.archive-item.today .archive-date {
  color: var(--color-surface);
}

.archive-item:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 rgba(45, 36, 22, 0.3);
}

.archive-number,
.archive-date {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text);
}

.archive-number {
  font-size: 24px;
  min-width: 60px;
}

.archive-date {
  font-size: 32px;
  flex-grow: 1;
}

.archive-state {
  font-size: 24px;
  min-width: 30px;
  text-align: center;
}

.today-badge {
  background: var(--color-spangram);
  color: var(--color-surface);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
}

/* Victory Overlay */
.solved-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(251, 193, 13, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fade-in 0.5s ease-out;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.solved-message {
  color: var(--color-text);
  font-weight: 700;
}

.trophy {
  font-size: 64px;
}

.victory-emojis {
  margin: 15px 0;
  font-size: 18px;
  line-height: 1.8;
  font-family: monospace;
  white-space: pre-wrap;
  color: var(--color-text);
}

/* Mobile Responsive */
@media (max-width: 800px) {
  h1 {
    font-size: 48px;
    letter-spacing: 4px;
  }

  .grid-wrapper {
    padding: 10px;
    transform: scale(0.75);
    transform-origin: top center;
  }

  .lines {
    top: 10px;
    left: 10px;
  }
}