/* -------------------------------------------------------------
   Zadely.com Flat Pop / Neo-Brutalist Sticker Style Sheet
   ------------------------------------------------------------- */

:root {
  color-scheme: light;
  --sheet: #e6ecff;
  --sheet-line: #d3dcfb;
  --ink: #1b1f3b;
  --ink-soft: #4a5078;
  --paper: #ffffff;

  /* Zadely Core Pop Palette */
  --tomato: #ff5a4e;
  --yolk: #ffd23f;
  --pool: #3fa7ff;
  --leaf: #2ec27e;
  --grape: #8b6cff;
  --pink: #ff8fc7;
  --orange: #ff7a32;
  --teal: #18c4c7;

  /* Typography matching zadely.com */
  --display: "Dela Gothic One", "Arial Black", Impact, sans-serif;
  --body: "Figtree", system-ui, -apple-system, sans-serif;

  /* Hard offset ink drop shadows */
  --lift-xl: 0 8px 0 var(--ink);
  --lift-lg: 0 6px 0 var(--ink);
  --lift-md: 0 4px 0 var(--ink);
  --lift-sm: 0 3px 0 var(--ink);
  --lift-xs: 0 2px 0 var(--ink);

  --cell-size: min(48px, calc((100vw - 44px) / 8.5));
}

@media (min-height: 800px) and (min-width: 600px) {
  :root {
    --cell-size: 54px;
  }
}

@media (max-width: 420px) {
  :root {
    --cell-size: calc((100vw - 40px) / 8.6);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--body);
  color: var(--ink);
  background-color: var(--sheet);
  /* Zadely graph paper texture */
  background-image:
    linear-gradient(var(--sheet-line) 1.5px, transparent 1.5px),
    linear-gradient(90deg, var(--sheet-line) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
  line-height: 1.5;
}

/* Accessibility skip link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 12px;
  background: var(--yolk);
  color: var(--ink);
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-sm);
  padding: 8px 16px;
  font-weight: 800;
  z-index: 1000;
  text-decoration: none;
  border-radius: 999px;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 12px;
}

/* Page Wrapper (Level 1) */
.page-wrapper {
  width: 100%;
  max-width: 580px;
  padding: 14px 16px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* Header & Brand in Zadely Sticker Style */
.game-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.brand-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.site-title {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

/* Tilted sticker badges replicating zadely.com header */
.sticker-tag {
  display: inline-block;
  padding: 0.15em 0.45em 0.18em;
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-xs);
  border-radius: 8px;
  font-family: var(--display);
  letter-spacing: 0.02em;
  transition: transform 0.15s ease;
}

.tag-block {
  background: var(--yolk);
  color: var(--ink);
  transform: rotate(-2deg);
}
.tag-block:hover {
  transform: rotate(-3.5deg) scale(1.06);
}

.tag-blast {
  background: var(--tomato);
  color: #ffffff;
  transform: rotate(2deg);
}
.tag-blast:hover {
  transform: rotate(3.5deg) scale(1.06);
}

.tag-unblocked {
  background: var(--leaf);
  color: #ffffff;
  font-size: 0.58em;
  padding: 0.25em 0.6em;
  border-radius: 999px;
  transform: rotate(-1deg);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-tagline {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-top: 2px;
}

/* Stats Score Badges */
.stats-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.stat-box {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-sm);
  border-radius: 14px;
  padding: 4px 12px;
  text-align: center;
  min-width: 70px;
  transition: transform 0.1s ease;
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.stat-value {
  font-family: var(--display);
  font-size: 1.25rem;
  color: var(--ink);
  line-height: 1.15;
}

.stat-value.score-flash {
  animation: score-bounce 0.25s ease;
}

@keyframes score-bounce {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); color: var(--tomato); }
  100% { transform: scale(1); }
}

/* Action Controls (Pill & Circle buttons) */
.controls-group {
  display: flex;
  gap: 6px;
}

.btn-icon {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-sm);
  color: var(--ink);
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 80ms, box-shadow 80ms, background-color 80ms;
}

.btn-icon:hover {
  background: var(--yolk);
  transform: translateY(-1px);
  box-shadow: var(--lift-md);
}

.btn-icon:active {
  transform: translateY(3px);
  box-shadow: 0 0 0 var(--ink);
}

.btn-icon svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

/* Main Game Stage (Level 2) */
.game-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

/* Tilted Pop Combo Sticker */
.combo-banner {
  position: absolute;
  top: 32%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-4deg) scale(0.6);
  background: var(--yolk);
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.45rem;
  letter-spacing: 0.02em;
  padding: 8px 24px;
  border-radius: 999px;
  border: 3px solid var(--ink);
  box-shadow: var(--lift-lg);
  pointer-events: none;
  opacity: 0;
  z-index: 50;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.combo-banner.show {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(-2deg) scale(1.12);
}

/* 8x8 Board Container Sticker */
.board-container {
  background: var(--paper);
  padding: 10px;
  border-radius: 24px;
  border: 3px solid var(--ink);
  box-shadow: var(--lift-lg);
  position: relative;
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(8, var(--cell-size));
  grid-template-rows: repeat(8, var(--cell-size));
  gap: 4px;
}

/* Cell Styling (Flat sticker grid) */
.cell {
  width: var(--cell-size);
  height: var(--cell-size);
  background-color: #f1f4fd;
  border: 1.5px solid #d5defa;
  border-radius: 8px;
  position: relative;
  transition: transform 0.12s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.cell.filled {
  border: 2px solid var(--ink);
  box-shadow: 0 3px 0 var(--ink);
  transform: translateY(-1px);
}

/* Flat cartoon highlight dot */
.cell.filled::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 5px;
  height: 5px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.7);
  pointer-events: none;
}

.cell.preview-valid {
  background-color: #d1fae5 !important;
  border: 2px solid var(--leaf) !important;
  box-shadow: 0 2px 0 var(--ink);
  transform: scale(0.96);
}

.cell.preview-invalid {
  background-color: #ffe4e6 !important;
  border: 2px solid var(--tomato) !important;
}

.cell.blasting {
  animation: blast-pop 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes blast-pop {
  0% {
    transform: scale(1) translateY(-1px);
  }
  50% {
    transform: scale(1.18) translateY(-3px);
    filter: brightness(1.25);
  }
  100% {
    transform: scale(0.2);
    opacity: 0;
  }
}

/* Dock / Tray for 3 Pieces */
.tray-container {
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  min-height: 125px;
  margin-top: 14px;
  padding: 10px 8px;
  background: var(--paper);
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-md);
  border-radius: 22px;
}

.tray-slot {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  position: relative;
}

.piece-item {
  cursor: grab;
  touch-action: none;
  display: inline-grid;
  gap: 3px;
  transition: transform 0.12s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 6px;
  border-radius: 12px;
}

.piece-item:hover {
  transform: scale(1.1) translateY(-2px);
}

.piece-item.selected {
  outline: 3px solid var(--grape);
  outline-offset: 3px;
  background: #f4f6ff;
  transform: scale(1.12);
}

.piece-item.disabled {
  opacity: 0.32;
  cursor: not-allowed;
  filter: grayscale(0.5);
}

.piece-item.dragging {
  opacity: 0.25;
}

.piece-cell {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--ink);
  box-shadow: 0 2px 0 var(--ink);
  position: relative;
}

.piece-cell::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 3px;
  height: 3px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.75);
}

/* Floating Drag Element */
.drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
  display: grid;
  gap: 4px;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 8px 0 var(--ink));
}

.drag-ghost .ghost-cell {
  width: var(--cell-size);
  height: var(--cell-size);
  border-radius: 8px;
  border: 2.5px solid var(--ink);
  box-shadow: 0 3px 0 var(--ink);
  position: relative;
}

.drag-ghost .ghost-cell::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 5px;
  height: 5px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.7);
}

/* Zadely Flat Texture Colors */
.bg-yolk { background-color: var(--yolk); }
.bg-tomato { background-color: var(--tomato); }
.bg-pool { background-color: var(--pool); }
.bg-leaf { background-color: var(--leaf); }
.bg-grape { background-color: var(--grape); }
.bg-pink { background-color: var(--pink); }
.bg-orange { background-color: var(--orange); }
.bg-teal { background-color: var(--teal); }

/* Keyword Badge Cloud (Zadely Sticker Pill Style) */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
  width: 100%;
  margin-top: 2px;
}

.tag-pill {
  font-family: var(--body);
  font-weight: 800;
  font-size: 0.76rem;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 0 2px 0 var(--ink);
  padding: 4px 10px;
  border-radius: 999px;
  cursor: default;
  transition: transform 80ms, background-color 80ms;
}

.tag-pill:hover {
  transform: translateY(-1px);
  background: var(--yolk);
}

/* Content Section (Zadely sticker cards, strictly <= 180 words) */
.content-section {
  width: 100%;
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guide-block {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-md);
  border-radius: 20px;
  padding: 14px 18px;
}

.guide-heading {
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 8px;
  font-weight: 400;
}

.guide-list {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.88rem;
  color: var(--ink);
}

.guide-list strong {
  color: var(--ink);
  font-weight: 800;
}

/* Details / FAQ Accordion in Zadely style */
details.faq-item {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-sm);
  border-radius: 16px;
  padding: 12px 16px;
  cursor: pointer;
  transition: box-shadow 80ms, transform 80ms;
}

details.faq-item:hover {
  box-shadow: var(--lift-md);
  transform: translateY(-1px);
}

details.faq-item[open] {
  box-shadow: var(--lift-md);
}

details.faq-item summary {
  font-weight: 800;
  color: var(--ink);
  font-size: 0.95rem;
  outline: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

details.faq-item summary::after {
  content: "+";
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--ink);
}

details.faq-item[open] summary::after {
  content: "−";
}

details.faq-item p {
  margin-top: 8px;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

/* Footer in Zadely clean style */
.site-footer {
  margin-top: 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Game Over Dialog (Zadely Neo-Brutalist Pop Modal) */
dialog.game-dialog {
  margin: auto;
  background: var(--paper);
  border: 3.5px solid var(--ink);
  box-shadow: var(--lift-xl);
  border-radius: 26px;
  padding: 30px 24px;
  color: var(--ink);
  max-width: 360px;
  width: 90%;
  text-align: center;
}

dialog.game-dialog::backdrop {
  background-color: rgba(27, 31, 59, 0.6);
  backdrop-filter: blur(4px);
}

.modal-title {
  font-family: var(--display);
  font-size: 2.1rem;
  color: var(--tomato);
  margin-bottom: 6px;
  line-height: 1.1;
  text-shadow: 0 2px 0 var(--ink);
}

.modal-desc {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.modal-stats {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 24px;
}

.modal-stat-card {
  background: #f1f4fd;
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-sm);
  padding: 10px 18px;
  border-radius: 16px;
  min-width: 96px;
}

.modal-stat-card .stat-label {
  font-size: 0.68rem;
  color: var(--ink-soft);
}

.modal-stat-card .stat-value {
  font-size: 1.4rem;
}

.btn-primary {
  background: var(--leaf);
  color: #ffffff;
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-md);
  font-family: var(--display);
  font-size: 1.2rem;
  padding: 12px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 80ms, box-shadow 80ms;
  width: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--lift-lg);
}

.btn-primary:active {
  transform: translateY(4px);
  box-shadow: 0 0 0 var(--ink);
}

/* -------------------------------------------------------------
   Strategy Guides, High-Score Cards, & Recommendations (Zadely Style)
   ------------------------------------------------------------- */
.guide-subheading {
  font-family: var(--display);
  font-size: 0.98rem;
  color: var(--ink);
  margin-top: 14px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.guide-para {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 10px;
}

.strategy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 10px;
  margin-bottom: 12px;
}

.strategy-card {
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--lift-sm);
  border-radius: 14px;
  padding: 12px 14px;
  transition: transform 100ms ease, box-shadow 100ms ease;
}

.strategy-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--lift-md);
}

.strategy-card-title {
  font-family: var(--display);
  font-size: 0.88rem;
  color: var(--ink);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.strategy-card-desc {
  font-size: 0.83rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

.pro-tip-callout {
  background: #fef9e7;
  border: 2px solid var(--yolk);
  box-shadow: var(--lift-sm);
  border-radius: 14px;
  padding: 12px 14px;
  margin: 12px 0;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #78350f;
}

.pro-tip-callout strong {
  color: #b45309;
}

/* More Games & Zadely External Link Grid */
.more-games-section {
  width: 100%;
  margin-top: 16px;
}

.section-title {
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.more-games-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 540px) {
  .more-games-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.game-rec-card {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  box-shadow: var(--lift-md);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  transition: transform 120ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 120ms ease;
}

.game-rec-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--lift-lg);
}

.game-rec-card.zadely-special {
  background: linear-gradient(135deg, #fffbeb 0%, #f5f3ff 100%);
  border-color: var(--ink);
}

.rec-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--display);
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  margin-bottom: 8px;
}

.rec-badge.badge-ai {
  background: var(--grape);
  color: #ffffff;
}

.rec-title {
  font-family: var(--display);
  font-size: 1.02rem;
  color: var(--ink);
  margin-bottom: 6px;
}

.rec-desc {
  font-size: 0.83rem;
  color: var(--ink-soft);
  line-height: 1.45;
  margin-bottom: 14px;
  flex-grow: 1;
}

.rec-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--display);
  font-size: 0.82rem;
  padding: 8px 14px;
  border: 2px solid var(--ink);
  border-radius: 12px;
  background: var(--yolk);
  color: var(--ink);
  box-shadow: var(--lift-sm);
  font-weight: 800;
  text-align: center;
  transition: background 100ms ease, transform 100ms ease;
}

.game-rec-card:hover .rec-btn {
  background: var(--tomato);
  color: #ffffff;
}