/* ===================================================================
   Arrow Flow — style.css
   Minimal / premium puzzle UI. Light + Dark + High-contrast themes.
   Tokens live on :root; themes override a small subset.
   =================================================================== */

/* ---------- Design tokens (LIGHT) ---------- */
:root {
  --bg: #F3F5F9;
  --surface: #FFFFFF;
  --surface-2: #F7F8FB;
  --text: #1B2540;
  --text-soft: #6B7385;
  --border: #E6E9F0;
  --accent: #4F8EF7;
  --accent-700: #3A74D8;
  --accent-soft: rgba(79, 142, 247, 0.12);
  --danger: #E05B6A;

  --tile-bg: #FFFFFF;
  --tile-arrow: #1B2540;
  --tile-empty-dot: #DDE2EC;
  --guide-line: rgba(70, 95, 150, 0.16);
  --guide-dot: rgba(70, 95, 150, 0.32);
  --tile-shadow: 0 2px 6px rgba(27, 37, 64, 0.07), 0 1px 2px rgba(27, 37, 64, 0.05);
  --tile-shadow-hover: 0 8px 18px rgba(27, 37, 64, 0.14);

  --shadow-sm: 0 2px 8px rgba(27, 37, 64, 0.06);
  --shadow-md: 0 10px 30px rgba(27, 37, 64, 0.12);
  --shadow-lg: 0 24px 60px rgba(27, 37, 64, 0.22);

  --radius: 16px;
  --radius-lg: 24px;
  --radius-tile: 22%;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in: cubic-bezier(0.45, 0, 0.9, 0.55);
  --rm-dur: 0.26s;        /* arrow removal duration (reduced-motion shrinks this) */
  --pop-dur: 0.24s;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- DARK theme ---------- */
[data-theme="dark"] {
  --bg: #0D111C;
  --surface: #161C2C;
  --surface-2: #1B2233;
  --text: #EDF1F8;
  --text-soft: #97A1B6;
  --border: #283044;
  --accent: #5B97FF;
  --accent-700: #4F8EF7;
  --accent-soft: rgba(91, 151, 255, 0.16);
  --danger: #F0707E;

  --tile-bg: #1C2438;
  --tile-arrow: #D5DEF2;
  --tile-empty-dot: #2A3349;
  --guide-line: rgba(150, 170, 215, 0.15);
  --guide-dot: rgba(150, 170, 215, 0.26);
  --tile-shadow: 0 2px 6px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.3);
  --tile-shadow-hover: 0 10px 22px rgba(0, 0, 0, 0.5);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.6);
}

/* ---------- HIGH CONTRAST overlay (works on top of light/dark) ---------- */
[data-contrast="high"] {
  --border: var(--text);
  --tile-empty-dot: var(--text-soft);
  --tile-shadow: 0 0 0 2px var(--text);
}
[data-contrast="high"] .tile { box-shadow: 0 0 0 2.5px var(--text) inset; }
[data-contrast="high"] .btn,
[data-contrast="high"] .icon-btn,
[data-contrast="high"] .action-btn { outline: 2px solid var(--text); }



/* ---------- Reset / base ---------- */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0; height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overscroll-behavior: none;
  -webkit-user-select: none; user-select: none;
  -webkit-font-smoothing: antialiased;
}
body { transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 8px; }

/* Reusable line-icon styling */
.ico { width: 100%; height: 100%; display: block; }
.ico g, .ico use, .ico path, .ico circle, .ico rect {
  fill: none; stroke: currentColor; stroke-width: 7;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ===================================================================
   Screens
   =================================================================== */
.screen {
  position: fixed; inset: 0;
  display: none;
  flex-direction: column;
  padding: max(env(safe-area-inset-top), 14px) 16px max(env(safe-area-inset-bottom), 14px);
}
.screen.active { display: flex; animation: screen-in 0.45s var(--ease-out); }
@keyframes screen-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Splash ---------- */
#screen-splash { align-items: center; justify-content: center; background: var(--bg); }
.splash-inner { text-align: center; }
.splash-logo {
  display: block; width: 112px; height: 112px; margin: 0 auto 20px;
  border-radius: 26px; object-fit: contain;
  box-shadow: var(--shadow-lg);
  animation: float 3s var(--ease-out) infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.splash-title { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin: 0; }
.splash-sub { color: var(--text-soft); margin: 8px 0 28px; font-weight: 500; }
.splash-loader { width: 140px; height: 4px; margin: 0 auto; background: var(--border); border-radius: 99px; overflow: hidden; }
.splash-loader span { display: block; height: 100%; width: 40%; background: var(--accent); border-radius: 99px; animation: load 1.1s var(--ease-out) infinite; }
@keyframes load { 0% { transform: translateX(-120%); } 100% { transform: translateX(360%); } }

/* ---------- Menu ---------- */
#screen-menu { align-items: center; }
.menu-top { width: 100%; max-width: 460px; display: flex; justify-content: flex-end; gap: 8px; }
.menu-inner { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 100%; max-width: 460px; }
.menu-logo {
  display: block; width: 100px; height: 100px; margin-bottom: 12px;
  border-radius: 24px; object-fit: contain;
  box-shadow: var(--shadow-md);
}
.menu-title { font-size: 2.3rem; font-weight: 800; letter-spacing: -0.03em; margin: 6px 0 0; }
.menu-tag { color: var(--text-soft); margin: 6px 0 34px; font-weight: 500; }
.menu-actions { width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 12px; }
.menu-footer { color: var(--text-soft); font-size: 0.78rem; opacity: 0.7; }

/* ===================================================================
   Buttons
   =================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 20px; border-radius: var(--radius);
  font-size: 1rem; font-weight: 650; letter-spacing: -0.01em;
  background: var(--surface); color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.16s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s;
}
.btn .ico { width: 22px; height: 22px; flex: 0 0 auto; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0) scale(0.97); }
.btn-lg { padding: 16px 24px; font-size: 1.08rem; }
.btn.full { width: 100%; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 10px 24px var(--accent-soft); }
.btn-primary:hover { background: var(--accent-700); }
.btn-soft { background: var(--surface-2); color: var(--text); }
.btn-danger { background: transparent; color: var(--danger); box-shadow: inset 0 0 0 1.5px var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

.icon-btn {
  width: 42px; height: 42px; flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 12px; color: var(--text); background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.16s var(--ease-out), box-shadow 0.2s, background 0.2s, color 0.2s;
}
.icon-btn .ico { width: 22px; height: 22px; }
.icon-btn.ghost { background: transparent; box-shadow: none; }
.icon-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--accent); }
.icon-btn:active { transform: scale(0.92); }

/* ===================================================================
   Top bar (shared)
   =================================================================== */
.topbar {
  width: 100%; max-width: 560px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 4px 2px 10px;
}
.topbar-title { font-size: 1.15rem; font-weight: 750; margin: 0; letter-spacing: -0.01em; }
.game-topbar .topbar-center { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.topbar-right { display: flex; gap: 8px; }
.counter {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface-2); color: var(--text-soft);
  padding: 4px 12px; border-radius: 99px; font-weight: 700; font-size: 0.92rem;
}
.counter .ico-sm { width: 16px; height: 16px; color: var(--accent); }
#remaining-count { color: var(--text); min-width: 1.5ch; text-align: center; }

/* Hearts (lives) */
.status-row { display: flex; align-items: center; gap: 14px; }
.hearts { display: inline-flex; gap: 6px; }
.heart { width: 30px; height: 30px; color: #ED5A6E; display: inline-flex; filter: drop-shadow(0 1px 2px rgba(237, 90, 110, 0.35)); transition: color 0.3s var(--ease-out), transform 0.2s var(--ease-out); }
.heart svg { width: 100%; height: 100%; }
.heart svg use { fill: currentColor; stroke: none; }
.heart.lost { color: var(--border); }
.heart.pop { animation: heart-pop 0.4s var(--ease-out); }
@keyframes heart-pop { 0% { transform: scale(1); } 40% { transform: scale(1.5); } 100% { transform: scale(1); } }
.gameover-hearts { width: 60px; height: 60px; color: #ED5A6E; margin-bottom: 2px; }
.gameover-hearts svg { width: 100%; height: 100%; }
.gameover-hearts svg use { fill: currentColor; stroke: none; }

/* ===================================================================
   Board
   =================================================================== */
.board-wrap {
  flex: 1; display: flex; align-items: center; justify-content: center;
  width: 100%; min-height: 0; padding: 6px 0;
}
.board-wrap.zoomed {
  display: block;
  overflow: auto;
}
.board {
  display: block; position: relative;
  width: min(92vw, 60vh, 540px);
  aspect-ratio: 1 / 1;
  transition: width 0.25s var(--ease-out), margin 0.25s var(--ease-out);
}
.board-wrap.zoomed .board {
  width: calc(min(92vw, 60vh, 540px) * var(--zoom-factor, 1.6));
  max-width: none;
  margin: 40px auto;
}

/* Guide overlay (BELOW the arrows). The cell-centre dots outline the puzzle shape. */
.guide {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0;
  pointer-events: none;
}
.guide .guide-dots circle { fill: var(--guide-dot); }
.guide .guide-lines rect {
  fill: none;
  stroke: var(--guide-line);
  stroke-width: 0.02;
  opacity: 0;
  transition: opacity 0.25s var(--ease-out);
}
[data-guide="on"] .guide .guide-lines rect {
  opacity: 1;
}

/* Board-sized overlay SVG ABOVE the arrows: the slither-off animation. */
.board-fx {
  position: absolute; inset: 0; width: 100%; height: 100%;
  overflow: visible; pointer-events: none; z-index: 5;
}
.board-fx .exit {
  fill: none; stroke: var(--tile-arrow); stroke-width: 0.32;
  stroke-linecap: round; stroke-linejoin: round;
}
.board-fx .measure { fill: none; stroke: none; pointer-events: none; }

/* Victory outro: a radial wave of blinking dots over the cleared shape. */
.board-fx .outro-dot {
  fill: var(--accent); opacity: 0;
  transform-box: fill-box; transform-origin: center;
  animation: outro-dot 0.56s var(--ease-out) both;
}
@keyframes outro-dot {
  0%   { transform: scale(0);   opacity: 0; }
  40%  { transform: scale(1.5); opacity: 0.95; }
  100% { transform: scale(0.4); opacity: 0; }
}

/* An arrow piece — free-floating line-art over the cells it occupies.
   The button itself ignores pointer events; only the wide transparent ".hit"
   path inside the SVG captures taps, so overlapping bounding boxes of bent
   snakes never steal each other's clicks. */
.arrow {
  position: absolute; padding: 0; background: none; cursor: pointer;
  color: var(--tile-arrow); pointer-events: none;
  transition: transform 0.16s var(--ease-out), opacity 0.2s var(--ease-out), color 0.2s;
  will-change: transform; touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.arrow svg { width: 100%; height: 100%; display: block; overflow: visible; pointer-events: none; }
/* Solid arrow: a thick rounded bar (shaft) + a filled triangular head. */
.arrow .shaft {
  fill: none; stroke: currentColor; stroke-width: 0.32;
  stroke-linecap: round; stroke-linejoin: round;
  transition: stroke 0.2s;
}
.arrow .head { fill: currentColor; stroke: currentColor; stroke-width: 0.04; stroke-linejoin: round; transition: fill 0.2s, stroke 0.2s; }
.arrow .hit {
  fill: none; stroke: transparent; stroke-width: 0.82;
  stroke-linecap: round; stroke-linejoin: round;
  pointer-events: stroke; cursor: pointer;
}
.arrow .cb {
  position: absolute; transform: translate(-50%, -50%);
  font-size: clamp(7px, 1.7vw, 11px); font-weight: 800; color: var(--surface);
  text-shadow: 0 0 2px var(--tile-arrow); display: none; pointer-events: none;
}
[data-colorblind="on"] .arrow .cb { display: block; }

/* Desktop hover: very subtle lift + soft glow (driven by the hit path) */
@media (hover: hover) and (pointer: fine) {
  .arrow:has(.hit:hover) { transform: scale(1.05); z-index: 3; }
  .arrow:has(.hit:hover) svg { filter: drop-shadow(0 3px 6px var(--tile-shadow)); }
}
.arrow:has(.hit:active) { transform: scale(0.95); }
[data-contrast="high"] .arrow .shaft { stroke-width: 0.36; }

/* Entrance (build) */
.arrow.enter { animation: arrow-enter 0.36s var(--ease-out) both; }
@keyframes arrow-enter { from { opacity: 0; transform: scale(0.7); } to { opacity: 1; transform: none; } }

/* Removal fallback (the slither itself runs in the overlay SVG) */
.arrow.removing {
  pointer-events: none; z-index: 6;
  transition: transform var(--rm-dur) var(--ease-in), opacity var(--rm-dur) var(--ease-in);
  transform: translate(var(--rmx, 0), var(--rmy, 0)) scale(0.55);
  opacity: 0;
}

/* Hint: glow + pulse, arrow turns accent-coloured */
.arrow.hint { z-index: 4; color: var(--accent); animation: hint-pulse 0.95s var(--ease-out) infinite; }
.arrow.hint svg { filter: drop-shadow(0 0 6px var(--accent-soft)); }
@keyframes hint-pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.12); } }

/* Wrong tap: stays red until the next correct move */
.arrow.wrong { color: var(--danger); z-index: 4; }

/* The arrow doing the blocking flashes red briefly when hit */
.arrow.blocker-blink { z-index: 4; animation: blocker-blink 0.5s var(--ease-out); }
@keyframes blocker-blink {
  0%   { color: var(--tile-arrow); }
  25%  { color: var(--danger); }
  50%  { color: var(--tile-arrow); }
  75%  { color: var(--danger); }
  100% { color: var(--tile-arrow); }
}

/* Blocked tap: the arrow travels the real distance (--nx/--ny) to the blocker,
   slams into it, then springs back home with a small damped bounce. */
.arrow.bump { z-index: 5; animation: bump 0.46s both; }
@keyframes bump {
  0%   { transform: translate(0, 0); animation-timing-function: cubic-bezier(0.4, 0, 0.85, 0.45); } /* accelerate toward the blocker */
  36%  { transform: translate(var(--nx), var(--ny)); animation-timing-function: cubic-bezier(0.2, 0.1, 0.25, 1); } /* impact */
  46%  { transform: translate(var(--nx), var(--ny)); }                              /* brief stop on contact */
  68%  { transform: translate(calc(var(--nx) * -0.05), calc(var(--ny) * -0.05)); }  /* spring back past home */
  84%  { transform: translate(calc(var(--nx) * 0.025), calc(var(--ny) * 0.025)); }
  100% { transform: translate(0, 0); }
}

/* ===================================================================
   Bottom bar
   =================================================================== */
.bottombar {
  width: 100%; max-width: 460px; margin: 6px auto 0;
  display: flex; justify-content: space-around; gap: 8px;
}
.action-btn {
  position: relative; flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px 6px; border-radius: var(--radius);
  background: var(--surface); color: var(--text);
  font-size: 0.74rem; font-weight: 650;
  box-shadow: var(--shadow-sm);
  transition: transform 0.16s var(--ease-out), box-shadow 0.2s, color 0.2s, background 0.2s;
}
.action-btn .ico { width: 26px; height: 26px; }
.action-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--accent); }
.action-btn:active { transform: scale(0.95); }
.action-btn:disabled { opacity: 0.4; pointer-events: none; }
.action-btn.active { background: var(--accent); color: #fff; box-shadow: 0 6px 16px var(--accent-soft); }
.action-btn.active:hover { color: #fff; }
.badge {
  position: absolute; top: 4px; right: calc(50% - 24px);
  min-width: 18px; height: 18px; padding: 0 5px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 800; font-style: normal;
  color: #fff; background: var(--accent); border-radius: 99px;
}

/* ===================================================================
   Level select
   =================================================================== */
.levels-grid {
  width: 100%; max-width: 560px; margin: 0 auto;
  flex: 1; min-height: 0; overflow-y: auto;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  grid-auto-rows: min-content;
  gap: 12px; padding: 8px 4px 24px;
}
.level-cell {
  aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  border-radius: var(--radius); background: var(--surface); color: var(--text);
  font-weight: 750; font-size: 1.1rem; box-shadow: var(--shadow-sm);
  transition: transform 0.16s var(--ease-out), box-shadow 0.2s, background 0.2s;
}
.level-cell:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.level-cell:active { transform: scale(0.95); }
.level-cell.done { background: var(--accent-soft); color: var(--accent-700); }
.level-cell.current { box-shadow: var(--shadow-sm), 0 0 0 2.5px var(--accent); }
.level-cell.locked { color: var(--text-soft); opacity: 0.55; pointer-events: none; }
.level-cell .ico { width: 20px; height: 20px; }
.level-cell .mini-stars { font-size: 0.6rem; color: var(--accent); letter-spacing: 1px; height: 0.8em; }

/* ===================================================================
   Popups
   =================================================================== */
.popup-overlay {
  position: fixed; inset: 0; z-index: 50;
  display: none; align-items: center; justify-content: center;
  background: rgba(17, 22, 36, 0.42); backdrop-filter: blur(4px);
  padding: 20px;
}
.popup-overlay.open { display: flex; animation: fade-in 0.25s var(--ease-out); }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.popup {
  width: 100%; max-width: 380px;
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: pop-in 0.32s var(--ease-out);
}
@keyframes pop-in { from { opacity: 0; transform: translateY(16px) scale(0.96); } to { opacity: 1; transform: none; } }
.popup-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 18px 6px; }
.popup-head h3 { margin: 0; font-size: 1.2rem; font-weight: 750; }
.popup-body { padding: 8px 18px 20px; display: flex; flex-direction: column; gap: 12px; }
.popup-body.center { align-items: center; text-align: center; padding-top: 26px; }
.popup-body.center h3 { margin: 4px 0; font-size: 1.4rem; }
.popup .muted { color: var(--text-soft); font-size: 0.92rem; line-height: 1.5; margin: 0 0 6px; }
.divider { border: none; height: 1px; background: var(--border); margin: 4px 0; }

.row { display: flex; align-items: center; justify-content: space-between; }
.toggle-row { padding: 6px 2px; font-weight: 550; }

/* iOS-style switch */
.switch { appearance: none; width: 46px; height: 28px; border-radius: 99px; background: var(--border); position: relative; transition: background 0.25s var(--ease-out); flex: 0 0 auto; cursor: pointer; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-sm); transition: transform 0.25s var(--ease-out); }
.switch:checked { background: var(--accent); }
.switch:checked::after { transform: translateX(18px); }

.howto p { margin: 0 0 10px; line-height: 1.55; }
kbd { background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; font-size: 0.85em; }

.stat-row { display: flex; justify-content: space-between; padding: 10px 2px; border-bottom: 1px solid var(--border); }
.stat-row:last-child { border-bottom: none; }
.stat-row b { font-weight: 750; }
.stat-section { margin: 0; padding: 12px 2px 4px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: var(--accent); }
.stat-section:first-child { padding-top: 0; }
.stats-body { max-height: 60vh; overflow-y: auto; gap: 0; }
.popup-stats-wide { max-width: 400px; }

/* Reset confirmation */
.reset-icon { width: 56px; height: 56px; color: var(--danger); background: rgba(224, 91, 106, 0.12); border-radius: 18px; padding: 14px; margin-bottom: 2px; }

/* Victory */
.popup-celebrate { overflow: hidden; }
.stars { display: flex; gap: 8px; font-size: 2.2rem; color: var(--border); line-height: 1; }
.stars span { transition: color 0.3s var(--ease-out), transform 0.3s var(--ease-out); transform: scale(0.6); }
.stars span.lit { color: #FFC24B; transform: scale(1); }
.victory-title { color: var(--accent); }
.victory-stats { display: flex; gap: 28px; margin: 4px 0 8px; }
.victory-stats span { display: block; color: var(--text-soft); font-size: 0.8rem; }
.victory-stats b { font-size: 1.4rem; font-weight: 750; }
.victory-secondary { display: flex; gap: 10px; width: 100%; }
.victory-secondary .btn { flex: 1; }
.nomoves-icon { width: 56px; height: 56px; color: var(--accent); background: var(--accent-soft); border-radius: 18px; padding: 14px; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 96px);
  transform: translate(-50%, 20px); z-index: 80;
  background: var(--text); color: var(--surface);
  padding: 10px 18px; border-radius: 99px; font-size: 0.88rem; font-weight: 600;
  box-shadow: var(--shadow-md); opacity: 0; pointer-events: none;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* FX canvas overlay */
#fx-canvas { position: fixed; inset: 0; z-index: 90; pointer-events: none; }

/* Larger layout breathing room on big screens */
@media (min-width: 720px) {
  .board { width: min(70vh, 560px); }
}

/* ===================================================================
   Coins & Economy System
   =================================================================== */
.coin-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.coin-icon circle {
  fill: #FFD54F;
  stroke: #FFB300;
  stroke-width: 6;
}

.coin-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 12px;
  border-radius: 99px;
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
  font-size: 0.92rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.16s var(--ease-out), box-shadow 0.2s, background 0.2s;
}
.coin-pill:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.menu-coin-pill {
  margin-right: auto; /* Push it to the left or keep alignment next to icons */
}
/* In menu topbar, keep settings right-aligned, menu sound left-aligned, and coin pill centered or left-aligned */
.menu-top {
  align-items: center;
}

.popup-celebrate {
  position: relative;
}
.victory-coin-wrap {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 10;
}

/* Reward breakdown inside victory popup */
.reward-breakdown {
  width: 100%;
  margin: 12px 0 6px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.reward-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-soft);
  opacity: 0;
  transform: translateY(6px);
  animation: reward-row-in 0.28s var(--ease-out) forwards;
}
@keyframes reward-row-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.reward-row span {
  display: flex;
  align-items: center;
  flex-grow: 1;
  text-align: left;
}
.reward-row span::after {
  content: "";
  flex-grow: 1;
  margin: 0 8px;
  border-bottom: 1.5px dotted var(--border);
  position: relative;
  top: 2px;
}
.reward-row b {
  color: var(--text);
  font-weight: 750;
}

.reward-total {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 6px 0 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-weight: 800;
  font-size: 1.12rem;
}
.reward-total span {
  color: var(--text);
}
.reward-total b {
  color: #FFB300;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.reward-total b .coin-icon {
  width: 22px;
  height: 22px;
}

/* Perfect Clear badge styling */
.perfect-clear-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(255, 193, 75, 0.15), rgba(255, 160, 0, 0.07));
  border: 1.5px solid #FFB300;
  color: #E65100;
  font-weight: 800;
  font-size: 0.74rem;
  letter-spacing: 1.5px;
  border-radius: 99px;
  margin: 6px 0 10px;
  box-shadow: 0 4px 10px rgba(255, 179, 0, 0.12);
  animation: perfect-badge-in 0.4s var(--ease-out) both, perfect-pulse 2.2s infinite ease-in-out 0.4s;
}
[data-theme="dark"] .perfect-clear-badge {
  color: #FFCA28;
  background: linear-gradient(135deg, rgba(255, 193, 75, 0.18), rgba(255, 160, 0, 0.09));
}
@keyframes perfect-badge-in {
  from { opacity: 0; transform: scale(0.8) rotate(-3deg); }
  to { opacity: 1; transform: scale(1) rotate(0deg); }
}
@keyframes perfect-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 10px rgba(255, 179, 0, 0.12); }
  50% { transform: scale(1.05); box-shadow: 0 6px 18px rgba(255, 179, 0, 0.22); }
}

/* Flying Coin animations */
.flying-coin {
  position: fixed;
  width: 22px;
  height: 22px;
  pointer-events: none;
  z-index: 1000;
  transform-origin: center;
  transition: transform 0.65s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.6s ease-in;
}

/* ===================================================================
   Shop Screen & Layout Styles
   =================================================================== */
.shop-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 12px auto 20px;
  width: 100%;
  max-width: 460px;
  border-bottom: 2.5px solid var(--border);
  padding-bottom: 6px;
}
.shop-tab {
  font-size: 1rem;
  font-weight: 750;
  color: var(--text-soft);
  padding: 8px 16px;
  position: relative;
  transition: color 0.25s var(--ease-out);
}
.shop-tab:hover {
  color: var(--text);
}
.shop-tab.active {
  color: var(--accent);
}
.shop-tab.active::after {
  content: "";
  position: absolute;
  bottom: -9px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 99px;
  animation: tab-line-in 0.24s var(--ease-out);
}
@keyframes tab-line-in {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.shop-grid {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  grid-auto-rows: min-content;
  gap: 16px;
  padding: 8px 4px 24px;
}

.product-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-card .item-preview {
  width: 64px;
  height: 64px;
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--surface-2);
  color: var(--accent);
  transition: transform 0.3s var(--ease-out);
}
.product-card .item-preview.heart-item {
  color: #ED5A6E;
  background: rgba(237, 90, 110, 0.08);
}
.product-card .item-preview.hint-item {
  color: #F59E0B;
  background: rgba(245, 158, 11, 0.08);
}
.product-card:hover .item-preview {
  transform: scale(1.08) rotate(4deg);
}
.product-card .item-preview svg {
  width: 32px;
  height: 32px;
}

.product-card .skin-preview {
  width: 64px;
  height: 64px;
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-2);
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}
.product-card .skin-preview-dot {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  box-shadow: var(--tile-shadow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease-out);
}
.product-card:hover .skin-preview-dot {
  transform: scale(1.1) rotate(15deg);
}
.product-card .skin-preview-dot svg {
  width: 22px;
  height: 22px;
  color: #fff;
}
.product-card .skin-preview-dot.skin-default svg {
  color: var(--tile-arrow);
}

.product-card h3 {
  margin: 0 0 6px 0;
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -0.01em;
}
.product-card p {
  margin: 0 0 14px 0;
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.4;
  flex-grow: 1;
}
.product-card .price-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--text);
}
.product-card .price-tag .coin-icon {
  width: 18px;
  height: 18px;
}
.product-card .inventory-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--text-soft);
  background: var(--surface-2);
  padding: 3px 9px;
  border-radius: 99px;
  border: 1px solid var(--border);
}

/* Color overrides for arrow skins */
.arrow[data-skin="ruby-red"] { color: #E05B6A; }
.arrow[data-skin="emerald-green"] { color: #10B981; }
.arrow[data-skin="midnight-black"] { color: #1E293B; }
[data-theme="dark"] .arrow[data-skin="midnight-black"] { color: #94A3B8; }
.arrow[data-skin="royal-gold"] { color: #F59E0B; }

/* Insufficient Coins Popup Details */
#popup-insufficient .insufficient-icon {
  width: 56px;
  height: 56px;
  color: #FFB300;
  background: rgba(255, 213, 79, 0.15);
  border-radius: 18px;
  padding: 14px;
  margin-bottom: 2px;
}
.coin-comparison {
  display: flex;
  width: 100%;
  justify-content: space-around;
  background: var(--surface-2);
  padding: 14px;
  border-radius: var(--radius);
  margin: 6px 0 16px;
  border: 1px solid var(--border);
}
.coin-compare-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.coin-compare-item span {
  font-size: 0.75rem;
  color: var(--text-soft);
  font-weight: 600;
}
.coin-compare-item b {
  font-size: 1.1rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.coin-compare-item b .coin-icon {
  width: 18px;
  height: 18px;
}

/* ---------- Daily Challenge Badge ---------- */
.btn-coming-soon {
  position: relative;
  overflow: visible !important;
}
.coming-soon-badge {
  position: absolute;
  top: -6px;
  right: 12px;
  background: var(--text-soft);
  color: var(--surface);
  font-size: 0.62rem;
  font-weight: 800;
  padding: 2.5px 8px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  pointer-events: none;
  line-height: 1;
}
[data-theme="dark"] .coming-soon-badge {
  background: var(--border);
  color: var(--text-soft);
}
[data-contrast="high"] .coming-soon-badge {
  border: 1.5px solid var(--text);
  background: var(--text);
  color: var(--surface);
}

/* ---------- Game Studio Intro Screen ---------- */
#screen-intro {
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 100;
}
.intro-inner {
  text-align: center;
}
.intro-studio-name {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text);
  animation: studio-fade-zoom 1.5s cubic-bezier(0.25, 1, 0.5, 1) both;
}
@keyframes studio-fade-zoom {
  0% {
    opacity: 0;
    transform: scale(0.93);
    filter: blur(4px);
  }
  40% {
    opacity: 1;
    transform: scale(1.02);
    filter: blur(0);
  }
  70% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.04);
    filter: blur(2px);
  }
}

/* ---------- Level Milestone Popup ---------- */
.milestone-popup {
  position: absolute;
  top: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--surface);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 99px;
  font-weight: 750;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  transition: opacity 250ms ease-out, transform 250ms ease-out;
}
.milestone-popup.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-10px);
  transition: opacity 200ms ease-out, transform 200ms ease-out;
}

/* ---------- Victory Skip Hint ---------- */
.victory-skip-hint {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-soft);
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  z-index: 200;
  transition: opacity 300ms ease-in-out;
}
.victory-skip-hint.show {
  opacity: 0.6;
}


/* ===================================================================
   Daily Challenge Styles
   =================================================================== */

/* ---------- Daily Challenge Screen ---------- */
#screen-daily { align-items: center; }
.daily-inner {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 16px; width: 100%; max-width: 420px;
  padding: 12px 0;
}
.daily-card {
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s;
}
.daily-date {
  font-size: 1.08rem;
  font-weight: 750;
  margin: 0;
  color: var(--text);
}
.daily-diff-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 99px;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.diff-easy { background: rgba(52, 211, 153, 0.12); color: #059669; border: 1px solid rgba(52, 211, 153, 0.3); }
.diff-medium { background: rgba(245, 158, 11, 0.12); color: #D97706; border: 1px solid rgba(245, 158, 11, 0.3); }
.diff-hard { background: rgba(239, 68, 68, 0.12); color: #DC2626; border: 1px solid rgba(239, 68, 68, 0.3); }
.diff-expert { background: rgba(139, 92, 246, 0.12); color: #7C3AED; border: 1px solid rgba(139, 92, 246, 0.3); }
.diff-master { background: rgba(236, 72, 153, 0.12); color: #DB2777; border: 1px solid rgba(236, 72, 153, 0.3); }
.diff-extreme { background: rgba(255, 59, 48, 0.15); color: #FF3B30; border: 1px solid rgba(255, 59, 48, 0.4); }
[data-theme="dark"] .diff-easy { color: #34D399; }
[data-theme="dark"] .diff-medium { color: #FBBF24; }
[data-theme="dark"] .diff-hard { color: #F87171; }
[data-theme="dark"] .diff-expert { color: #A78BFA; }
[data-theme="dark"] .diff-master { color: #F472B6; }
[data-theme="dark"] .diff-extreme { color: #FF6961; }
.daily-players {
  font-size: 0.82rem;
  color: var(--text-soft);
  margin: 0;
  font-weight: 600;
}
.daily-countdown-card {
  flex-direction: row;
  justify-content: space-between;
}
.daily-countdown-label {
  font-size: 0.88rem;
  color: var(--text-soft);
  font-weight: 600;
}
.daily-countdown-clock {
  font-size: 1.15rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  letter-spacing: 0.03em;
}
.daily-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- Reward Preview ---------- */
.reward-tier {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--text-soft);
}
.reward-tier b {
  color: #F59E0B;
  font-weight: 800;
}
.reward-tier + .reward-tier {
  border-top: 1px solid var(--border);
}

/* ---------- Daily Result (already played) ---------- */
.daily-result-card {
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-around;
  gap: 12px;
}
.result-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.result-stat span {
  font-size: 0.75rem;
  color: var(--text-soft);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.result-stat b {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}

/* ---------- Daily HUD Badge ---------- */
.daily-badge {
  position: absolute;
  top: 8px;
  right: 50%;
  transform: translateX(50%) translateY(0);
  background: linear-gradient(135deg, #FFB300, #FF8F00);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 900;
  padding: 3px 10px;
  border-radius: 99px;
  letter-spacing: 1.5px;
  box-shadow: 0 2px 8px rgba(255, 179, 0, 0.3);
  z-index: 10;
  pointer-events: none;
}
.game-topbar { position: relative; }

/* ---------- Nickname Popup ---------- */
.nickname-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s;
  margin: 8px 0;
}
.nickname-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.nickname-input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(224, 91, 106, 0.15);
}
.nickname-error {
  color: var(--danger);
  font-size: 0.82rem;
  font-weight: 600;
  margin: 0 0 8px;
  min-height: 1.2em;
}

/* ---------- Countdown Overlay ---------- */
.countdown-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}
.countdown-overlay.active {
  display: flex;
}
.countdown-number {
  font-size: 8rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  opacity: 0;
}
.countdown-number.pop {
  animation: countdown-pop 0.8s var(--ease-out) forwards;
}
@keyframes countdown-pop {
  0%   { opacity: 0; transform: scale(2.5); }
  30%  { opacity: 1; transform: scale(0.9); }
  50%  { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0; transform: scale(0.8); }
}

/* ---------- Daily Victory Popup ---------- */
.daily-victory-icon {
  width: 64px;
  height: 64px;
  color: #FFB300;
  background: rgba(255, 179, 0, 0.12);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.daily-victory-icon .ico {
  width: 36px;
  height: 36px;
}
.dv-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 600;
  margin: 8px 0;
}
.dv-pb {
  color: #F59E0B;
  font-weight: 800;
  font-size: 0.92rem;
  margin: 4px 0 8px;
  animation: pb-pulse 1.2s infinite ease-in-out;
}
@keyframes pb-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ---------- Spinner ---------- */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Leaderboard ---------- */
.popup-leaderboard-wide {
  max-width: 480px;
  width: 100%;
}
.lb-body {
  max-height: 60vh;
  overflow-y: auto;
  padding: 0 !important;
}
.lb-list {
  width: 100%;
}
.lb-header {
  display: flex;
  padding: 10px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1.5px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 2;
}
.lb-row {
  display: flex;
  padding: 10px 16px;
  font-size: 0.92rem;
  font-weight: 600;
  align-items: center;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.lb-row:last-child { border-bottom: none; }
.lb-rank-col { width: 50px; flex-shrink: 0; text-align: center; }
.lb-name-col { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-time-col { width: 90px; flex-shrink: 0; text-align: right; font-variant-numeric: tabular-nums; font-weight: 750; }
.lb-gold { background: rgba(255, 179, 0, 0.08); }
.lb-gold .lb-rank-col { font-size: 1.1rem; }
.lb-silver { background: rgba(192, 192, 192, 0.08); }
.lb-bronze { background: rgba(205, 127, 50, 0.08); }
.lb-me {
  background: var(--accent-soft) !important;
  border-left: 3px solid var(--accent);
  font-weight: 800;
}
.lb-player-footer {
  position: sticky;
  bottom: 0;
  background: var(--surface);
  border-top: 2px solid var(--accent);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
}
.lb-loading, .lb-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 20px;
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
}