/* ============================================================
   PACMAN.FREE — Game board, arcade shell, and multiplayer UI
   Loaded on top of main.css (site design system).
   ============================================================ */

:root {
  --arcade: #101736;
  --arcade-dark: #070b1d;
  --arcade-light: #1c2a5e;
  --arcade-line: rgba(255, 255, 255, 0.18);
  --pac-yellow: #ffd21e;
  --ghost-red: #ff3b30;
  --ghost-cyan: #26d7e8;
  --gold: #fbbf24;
}

/* ---- GAME SHELL ---- */
.game-shell {
  background: radial-gradient(ellipse at 50% -20%, var(--arcade-light), var(--arcade) 55%, var(--arcade-dark));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 0 80px rgba(0,0,0,.35);
  padding: .75rem .75rem 1.25rem;
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

/* When the game is fullscreen, fill the viewport. */
.game-shell:fullscreen { display:flex; flex-direction:column; justify-content:center; border-radius:0; padding:1rem; }
.game-shell:fullscreen .board-wrap { flex:1; display:flex; align-items:center; justify-content:center; }

/* ---- TOOLBAR ---- */
.game-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  flex-wrap: wrap;
  padding: .35rem .5rem .6rem;
}
.game-stats {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: #fff;
  font-variant-numeric: tabular-nums;
  font-size: .85rem;
  font-weight: 600;
}
.game-stats .stat-label {
  opacity: .65;
  font-weight: 500;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-right: .25rem;
}
.game-buttons { display: flex; gap: .4rem; flex-wrap: wrap; }
.btn-arcade {
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-sm);
  padding: .35rem .7rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background .15s;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.btn-arcade:hover { background: rgba(255,255,255,.22); color: #fff; }
.btn-arcade:disabled { opacity: .4; cursor: default; }
.btn-arcade.btn-arcade-primary { background: var(--pac-yellow); border-color: var(--pac-yellow); color: #5c4503; }
.btn-arcade.btn-arcade-primary:hover { background: #ffe066; }

/* ---- BOARD ---- */
/* main.css (inherited from the sudoku design system) makes .board-wrap a
   centered flex column; keep it simple and center the canvas ourselves. */
.board-wrap {
  position: relative;
  width: 100%;
  display: block;
  gap: 0;
  overflow: hidden;
}
.pf-board {
  position: relative;
  display: flex;
  justify-content: center;
}
.pf-canvas {
  display: block;
  border-radius: 10px;
  outline: none;
  max-width: 100%;
  touch-action: none;
}

/* ---- ON-SCREEN D-PAD (touch devices) ---- */
.pf-pad {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: grid;
  grid-template-columns: repeat(3, 46px);
  grid-template-rows: repeat(2, 46px);
  gap: 4px;
  z-index: 20;
  opacity: .85;
}
.pf-pad-btn {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.pf-pad-btn:active { background: rgba(255,210,30,.5); }
.pf-pad-up { grid-column: 2; grid-row: 1; }
.pf-pad-left { grid-column: 1; grid-row: 2; }
.pf-pad-right { grid-column: 3; grid-row: 2; }
.pf-pad-down { grid-column: 2; grid-row: 2; }

/* ---- RESULT OVERLAY ---- */
.game-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 11, 29, .84);
  backdrop-filter: blur(3px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  border-radius: var(--radius-lg);
}
.game-overlay.open { display: flex; }
.game-overlay-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2rem 2.25rem;
  max-width: 420px;
  width: calc(100% - 2rem);
  text-align: center;
}
.game-overlay-card h2,
.game-overlay-card .overlay-title { font-size: 1.6rem; font-weight: 700; line-height: 1.2; margin-bottom: .5rem; }
/* Custom inline icons (site-style pacman/ghost SVGs used instead of OS emojis) */
.pf-icon { display: inline-block; vertical-align: -0.13em; width: 1em; height: 1em; }
.win-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1rem 0 1.25rem;
}
.win-stats > div { text-align: center; }
.win-stats .num { font-size: 1.4rem; font-weight: 800; color: var(--blue); font-variant-numeric: tabular-nums; }
.win-stats .lbl { font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); font-weight: 600; }
.overlay-actions { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; }

/* ---- SETTINGS MODAL ---- */
.pf-modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(15,23,42,.55);
  display: none; align-items: center; justify-content: center;
  padding: 1rem;
}
.pf-modal.open { display: flex; }
.pf-modal-card {
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); width: 440px; max-width: 100%;
  max-height: 88vh; overflow-y: auto; padding: 1.25rem 1.5rem 1.5rem;
}
.pf-modal-card h2 { font-size: 1.2rem; margin-bottom: 1rem; display:flex; justify-content:space-between; align-items:center; }
.pf-modal-close { background:none; border:none; font-size:1.4rem; cursor:pointer; color:var(--text-muted); line-height:1; }
.pf-set-row { margin-bottom: 1.1rem; }
.pf-set-row > .pf-set-label { font-weight:600; font-size:.9rem; margin-bottom:.45rem; display:block; }
.pf-swatches { display:flex; gap:.5rem; flex-wrap:wrap; }
.pf-swatch {
  width:44px; height:32px; border-radius:8px; cursor:pointer;
  border:3px solid transparent; box-shadow: var(--shadow-sm);
}
.pf-swatch.active { border-color: var(--gold); }
.pf-toggle-row { display:flex; align-items:center; justify-content:space-between; padding:.4rem 0; }
.pf-toggle-row label { font-size:.9rem; }

/* ---- CONFETTI ---- */
.confetti {
  position: absolute;
  width: 10px; height: 14px;
  top: -20px;
  z-index: 1100;
  pointer-events: none;
  animation: confettiFall linear forwards;
}
@keyframes confettiFall {
  to { transform: translateY(110vh) rotate(720deg); opacity: .2; }
}

/* Concise factual intro under the hero (positioning + answer-engine summary). */
.home-intro {
  max-width: 62ch;
  margin: .25rem 0 1rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-muted);
}
.home-intro strong { color: var(--text); }

/* ---- GAME PAGE LAYOUT ---- */
.game-header { margin: 1.25rem 0 .75rem; display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }
.game-header h1 { font-size: 1.45rem; }
.game-header .tagline { color: var(--text-muted); font-size: .92rem; }
.mode-tabs { display: flex; gap: .4rem; flex-wrap: wrap; }
.mode-tab {
  padding: .3rem .8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: .82rem;
  font-weight: 600;
}
.mode-tab:hover { border-color: var(--blue); color: var(--blue); }
.mode-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* Below-the-fold content */
.game-content { margin-top: 2.5rem; }
.game-content h2 { margin: 2rem 0 .75rem; font-size: 1.35rem; }
.game-content h3 { margin: 1.25rem 0 .5rem; }
.howto-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; margin: 1rem 0; }
.howto-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}
.howto-card h3 { margin: 0 0 .4rem; font-size: 1rem; color: var(--blue-dark); }
.howto-card h4 { margin: 0 0 .4rem; font-size: 1rem; color: var(--blue-dark); }
.howto-card p { font-size: .9rem; margin: 0; }
.howto-icon { font-size: 1.05rem; margin-right: .15rem; }
.strategy-list { margin: .75rem 0 1rem 1.25rem; color: var(--text-muted); }
.strategy-list li { margin-bottom: .55rem; font-size: .95rem; }
ol.strategy-list.numbered { list-style: decimal; padding-left: .5rem; }
ol.strategy-list.numbered li { padding-left: .35rem; }
ol.strategy-list.numbered li::marker { color: var(--blue); font-weight: 800; }

/* TL;DR summary box */
.tldr {
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: .8rem 1.1rem;
  font-size: .96rem;
  line-height: 1.65;
  margin: 0 0 1.25rem;
  color: var(--text);
}
.tldr strong { color: var(--blue-dark); }

/* Highlighted "top tip" callout */
.tip-callout {
  background: var(--accent-light, #fffbeb);
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: .95rem;
  line-height: 1.6;
  margin: .5rem 0 1rem;
}

/* Clean two-column facts table */
.facts-table {
  width: 100%;
  border-collapse: collapse;
  margin: .5rem 0 1.5rem;
  font-size: .93rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.facts-table th, .facts-table td { padding: .6rem .9rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.facts-table tr:last-child th, .facts-table tr:last-child td { border-bottom: none; }
.facts-table th { width: 34%; background: var(--surface-2); font-weight: 700; color: var(--text); white-space: nowrap; }
.facts-table td { color: var(--text-muted); }
@media (max-width: 520px) {
  .facts-table th { width: 42%; white-space: normal; }
}

/* ---- FAQ ACCORDION (collapsible hub) ---- */
.faq-accordion { margin-top: 1rem; display: flex; flex-direction: column; gap: .6rem; }
.faq-acc-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-acc-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.faq-acc-item summary::-webkit-details-marker { display: none; }
.faq-acc-item summary h3 { font-size: 1rem; margin: 0; color: var(--text); }
.faq-acc-item[open] summary h3 { color: var(--blue-dark); }
.faq-acc-chevron { flex-shrink: 0; color: var(--text-muted); transition: transform .2s ease; }
.faq-acc-item[open] .faq-acc-chevron { transform: rotate(180deg); }
.faq-acc-item summary:hover h3 { color: var(--blue); }
.faq-acc-body { padding: 0 1.25rem 1.15rem; }
.faq-acc-body p { font-size: .92rem; margin: 0; color: var(--text-muted); }

.faq-list { margin-top: 1rem; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
}
.faq-item h3 { margin: 0 0 .4rem; font-size: 1rem; }
.faq-item p { font-size: .92rem; margin: 0; }

.variant-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; margin-top: 1rem; }
.variant-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s, border-color .15s;
  color: var(--text);
}
.variant-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--blue-border); color: var(--text); }
.variant-card .vc-name { font-weight: 700; color: var(--blue-dark); margin-bottom: .25rem; display: flex; align-items: center; gap: .4rem; }
.variant-card .vc-tag { font-size: .84rem; color: var(--text-muted); line-height: 1.45; }
.variant-card .vc-meta { margin-top: .6rem; font-size: .72rem; font-weight: 600; color: var(--text-light); text-transform: uppercase; letter-spacing: .04em; }

/* ---- 404 PAGE ---- */
.nf-hero {
  position: relative;
  text-align: center;
  color: #fff;
  background: radial-gradient(ellipse at 50% -10%, var(--arcade-light), var(--arcade) 55%, var(--arcade-dark));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 0 80px rgba(0,0,0,.35);
  padding: 2.5rem 1.25rem 2.75rem;
  overflow: hidden;
}
.nf-hero h1 { color: #fff; font-size: 1.7rem; margin: .25rem 0 .5rem; }
.nf-hero p { color: rgba(255,255,255,.85); max-width: 34rem; margin: 0 auto 1.5rem; line-height: 1.6; }
.nf-code {
  font-size: 3rem; font-weight: 800; letter-spacing: .1em;
  color: var(--pac-yellow); line-height: 1; margin-top: 1rem;
  text-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.nf-cards { display: flex; justify-content: center; align-items: center; gap: 1.25rem; height: 90px; margin-bottom: .25rem; }
.nf-pac {
  font-size: 3.4rem; color: var(--pac-yellow); font-weight: 800; line-height: 1;
  text-shadow: 0 8px 18px rgba(0,0,0,.35);
}
.nf-ghost { font-size: 2.6rem; line-height: 1; filter: drop-shadow(0 8px 18px rgba(0,0,0,.35)); }
.nf-actions { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; }
.btn-outline-light {
  background: transparent; border: 1px solid rgba(255,255,255,.55); color: #fff;
  padding: .55rem 1.1rem; border-radius: var(--radius-sm); font-weight: 600; font-size: .9rem;
}
.btn-outline-light:hover { background: rgba(255,255,255,.14); color: #fff; }
.nf-linkcols {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1.25rem;
  margin-top: 1rem; text-align: left;
}
.nf-linkcols h3 { font-size: 1rem; color: var(--blue-dark); margin-bottom: .5rem; }
.nf-linkcols ul { list-style: none; padding: 0; margin: 0; }
.nf-linkcols li { margin-bottom: .4rem; }
.nf-linkcols a { font-size: .92rem; }

/* ---- MULTIPLAYER ---- */
.mp-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.mp-players { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.mp-player { padding: .75rem 1rem; border-radius: var(--radius-sm); background: var(--surface-2); border: 1px solid var(--border); }
.mp-player.me { border-color: var(--blue-border); background: var(--blue-light); }
.mp-player .mp-name { font-weight: 700; display: flex; align-items: center; gap: .4rem; }
.mp-player .mp-status { font-size: .75rem; color: var(--text-muted); }
.mp-progress-track {
  height: 10px; border-radius: 999px; background: var(--surface-3);
  margin-top: .5rem; overflow: hidden;
}
.mp-progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--pac-yellow));
  border-radius: 999px;
  transition: width .4s ease;
}
.mp-code {
  font-size: 1.6rem; font-weight: 800; letter-spacing: .35em;
  font-variant-numeric: tabular-nums;
  background: var(--surface-3);
  border-radius: var(--radius-sm);
  padding: .4rem .6rem .4rem .9rem;
  display: inline-block;
}
.mp-chat { max-height: 180px; overflow-y: auto; font-size: .85rem; margin: .5rem 0; }
.mp-chat .mp-chat-line { margin-bottom: .25rem; }
.mp-chat .mp-chat-name { font-weight: 700; color: var(--blue-dark); }
.mp-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.mp-dot.on { background: #22c55e; }
.mp-dot.off { background: #cbd5e1; }

/* ---- RATING WIDGET ---- */
.rating-widget {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  padding: .7rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  font-size: .9rem;
}
.rating-label { font-weight: 600; color: var(--text); }
.rating-stars { display: inline-flex; }
.rating-star {
  background: none; border: none; cursor: pointer; padding: 0 .1rem;
  font-size: 1.5rem; line-height: 1; color: #d1d5db; transition: color .1s;
}
.rating-star.on { color: var(--gold); }
.rating-star:hover { color: #fcd34d; }
.rating-summary { color: var(--text-muted); font-variant-numeric: tabular-nums; }
.rating-widget.rated .rating-label::after { content: " thanks!"; color: var(--blue); font-weight: 400; }

/* ---- STATS BAR (localStorage per-game) ---- */
.stats-strip {
  display: flex; gap: 1.75rem; flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .8rem 1.25rem;
  margin-top: 1rem;
  box-shadow: var(--shadow-sm);
}
.stats-strip > div { text-align: center; }
.stats-strip .num { font-weight: 800; font-size: 1.1rem; color: var(--blue-dark); font-variant-numeric: tabular-nums; }
.stats-strip .lbl { font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); font-weight: 600; }

@media (max-width: 640px) {
  .game-shell { padding: .4rem .4rem .75rem; border-radius: var(--radius); }
  .game-stats { gap: .6rem; font-size: .78rem; }
  .mp-players { grid-template-columns: 1fr; }
  .game-header h1 { font-size: 1.2rem; }
}