/* ======================================= */
/* 2048 - TOOLIFY STIJL                    */
/* ======================================= */

@import url('/fonts/nunito-fredokaone-ee51d9.css');

:root {
  --bg:         #f0f4ff;
  --surface:    #ffffff;
  --surface2:   #f8faff;
  --border:     #dde3f5;
  --text:       #2d3561;
  --text-muted: #7b84b0;

  --blue:   #3b82f6;
  --purple: #8b5cf6;
  --pink:   #ec4899;
  --teal:   #14b8a6;
  --orange: #f97316;
  --red:    #ef4444;
  --green:  #22c55e;

  --shadow-sm: 0 2px 8px  rgba(59,82,246,0.08);
  --shadow-md: 0 6px 24px rgba(59,82,246,0.13);
  --shadow-lg: 0 12px 40px rgba(59,82,246,0.18);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --gap: 10px;
}

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

body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 1.2rem 1rem 1rem;
  -webkit-user-select: none; user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.game-header { text-align: center; margin-bottom: 1rem; }
.game-title { font-family: 'Fredoka One', 'Nunito', sans-serif; font-size: clamp(1.8rem, 5vw, 2.6rem); color: var(--purple); letter-spacing: 0.02em; }
.game-subtitle { color: var(--text-muted); font-weight: 600; margin-top: 0.2rem; }

.game-layout { display: flex; justify-content: center; align-items: flex-start; gap: 1.2rem; flex-wrap: wrap; }
.side-panel { display: flex; flex-direction: column; gap: 0.8rem; width: 170px; }
.info-card, .hs-card { background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius-md); padding: 0.7rem 0.9rem; box-shadow: var(--shadow-sm); }
.info-label { font-size: 0.78rem; font-weight: 800; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.info-val { font-family: 'Fredoka One', 'Nunito', sans-serif; font-size: 2rem; color: var(--text); line-height: 1.2; }
.score-val { color: var(--purple); }
.action-btns { display: flex; flex-direction: column; gap: 0.5rem; }
.action-btn { font: 800 0.95rem 'Nunito', sans-serif; padding: 0.6rem 0.8rem; border: 2px solid var(--border); border-radius: var(--radius-md); background: var(--surface); color: var(--text); cursor: pointer; box-shadow: var(--shadow-sm); transition: transform 0.12s; }
.action-btn:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--purple); }
.action-btn:disabled { opacity: 0.45; cursor: default; }
.action-btn:focus-visible, .overlay-btn:focus-visible { outline: 3px solid var(--purple); outline-offset: 2px; }
.new-btn { background: var(--purple); border-color: var(--purple); color: #fff; }
.hs-mini { list-style: none; margin-top: 0.3rem; display: grid; gap: 3px; counter-reset: p; }
.hs-mini li { display: flex; justify-content: space-between; font-weight: 700; font-size: 0.95rem; counter-increment: p; }
.hs-mini li::before { content: counter(p) "."; color: var(--text-muted); margin-right: 6px; }
.hs-mini li b { margin-left: auto; }
.hs-mini .leeg { color: var(--text-muted); font-weight: 600; font-size: 0.85rem; }
.hs-mini .leeg::before { content: ""; margin: 0; }
.legend-line { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); margin-top: 0.25rem; line-height: 1.35; }

/* het bord: 4 x 4 */
.board-wrap { width: min(440px, 94vw); }
.board { position: relative; width: 100%; aspect-ratio: 1; padding: var(--gap); background: #c7d2fe; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); touch-action: none; outline: none; }
.board:focus-visible { box-shadow: 0 0 0 4px rgba(139,92,246,0.35), var(--shadow-lg); }
.cellen, .tegels { position: absolute; inset: var(--gap); }
.cellen { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(4, 1fr); gap: var(--gap); }
.cellen i { background: rgba(255,255,255,0.45); border-radius: 12px; }
.tegel {
  position: absolute; left: 0; top: 0;
  width: calc((100% - 3 * var(--gap)) / 4); height: calc((100% - 3 * var(--gap)) / 4);
  transform: translate(calc(var(--c) * (100% + var(--gap))), calc(var(--r) * (100% + var(--gap))));
  transition: transform 0.12s ease-in-out;
  display: grid; place-items: center; border-radius: 12px;
  font-family: 'Fredoka One', 'Nunito', sans-serif; font-size: clamp(1.6rem, 8.5vw, 2.6rem); line-height: 1;
  background: var(--bg-t, #eef2ff); color: var(--fg-t, #2d3561); box-shadow: 0 2px 0 rgba(45,53,97,0.12);
}
.tegel span { display: block; animation: verschijn 0.16s ease; }
.tegel.nieuw span { animation: verschijn 0.2s ease 0.1s backwards; }
.tegel.samen span { animation: pop 0.2s ease 0.1s; }
@keyframes verschijn { from { transform: scale(0.3); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes pop { 0% { transform: scale(1); } 50% { transform: scale(1.22); } 100% { transform: scale(1); } }
.tegel.k3 { font-size: clamp(1.35rem, 7vw, 2.2rem); }
.tegel.k4 { font-size: clamp(1.1rem, 5.8vw, 1.8rem); }
.tegel.k5 { font-size: clamp(0.95rem, 4.6vw, 1.5rem); }
.t2 { --bg-t: #eef2ff; --fg-t: #2d3561; }
.t4 { --bg-t: #dbeafe; --fg-t: #2d3561; }
.t8 { --bg-t: #93c5fd; --fg-t: #fff; }
.t16 { --bg-t: #60a5fa; --fg-t: #fff; }
.t32 { --bg-t: #818cf8; --fg-t: #fff; }
.t64 { --bg-t: #8b5cf6; --fg-t: #fff; }
.t128 { --bg-t: #a855f7; --fg-t: #fff; }
.t256 { --bg-t: #d946ef; --fg-t: #fff; }
.t512 { --bg-t: #ec4899; --fg-t: #fff; }
.t1024 { --bg-t: #f97316; --fg-t: #fff; }
.t2048 { --bg-t: #facc15; --fg-t: #422006; box-shadow: 0 0 22px 4px rgba(250,204,21,0.65); }
.tgroot { --bg-t: #22c55e; --fg-t: #fff; box-shadow: 0 0 22px 4px rgba(34,197,94,0.5); }
.board-hint { text-align: center; margin-top: 0.7rem; color: var(--text-muted); font-weight: 600; font-size: 0.9rem; }

/* overlays */
.overlay { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(45,53,97,0.45); backdrop-filter: blur(3px); }
.overlay[hidden] { display: none; }
.overlay-card { width: min(360px, 100%); text-align: center; padding: 1.6rem 1.4rem; background: var(--surface); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); animation: pop-kaart 0.25s ease; }
@keyframes pop-kaart { from { transform: scale(0.88); opacity: 0; } to { transform: none; opacity: 1; } }
.overlay-emoji { font-size: 3rem; display: block; }
.overlay-title { font-family: 'Fredoka One', 'Nunito', sans-serif; font-size: 1.8rem; color: var(--purple); margin: 0.2rem 0; }
.overlay-sub { color: var(--text-muted); font-weight: 700; min-height: 1.3em; margin-bottom: 0.6rem; }
.overlay-stats { display: flex; justify-content: center; gap: 1.3rem; margin: 0.6rem 0 1rem; }
.overlay-stat { display: flex; flex-direction: column; }
.overlay-stat-val { font-family: 'Fredoka One', 'Nunito', sans-serif; font-size: 2rem; color: var(--text); line-height: 1; }
.overlay-stat-lbl { font-size: 0.72rem; font-weight: 800; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.overlay-knoppen { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin-top: 0.8rem; }
.overlay-btn { font: 800 1.05rem 'Nunito', sans-serif; padding: 0.7rem 1.4rem; border: 0; border-radius: var(--radius-md); background: var(--purple); color: #fff; cursor: pointer; box-shadow: var(--shadow-md); }
.overlay-btn.tweede { background: var(--surface); color: var(--text); border: 2px solid var(--border); box-shadow: none; }
.overlay-btn:hover { filter: brightness(1.06); }

@media (max-width: 760px) {
  body { padding: 0.8rem 0.6rem; }
  .game-layout { flex-direction: column; align-items: center; }
  .side-left, .side-right { width: min(440px, 94vw); flex-direction: row; flex-wrap: wrap; }
  .side-left > *, .side-right > * { flex: 1 1 140px; }
  .side-left { order: 1; } .board-wrap { order: 2; } .side-right { order: 3; }
  .action-btns { flex-direction: row; }
  .action-btns .action-btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { .tegel { transition: none; } .tegel span, .overlay-card { animation: none !important; } }