/* ============================================================
   CINEMA — Match The Pairs
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

:root {
  --blue-deep:   #0e57a8;
  --blue-mid:    #1a74cf;
  --blue-light:  #2f9be8;
  --blue-panel:  #0d4c96;
  --yellow:      #ffd23a;
  --yellow-dark: #e0a800;
  --pink:        #ff5fa2;
  --white:       #ffffff;
  --tile-face:   #ffd23a;
  --tile-open:   #eaf6ff;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: "Arial Rounded MT Bold", "Segoe UI", Verdana, Arial, sans-serif;
  color: var(--white);

  /* radial sunburst blue background */
  background:
    repeating-conic-gradient(
      from 0deg at 62% 45%,
      rgba(255, 255, 255, 0.05) 0deg 9deg,
      rgba(255, 255, 255, 0)   9deg 18deg
    ),
    radial-gradient(circle at 62% 45%, var(--blue-light) 0%, var(--blue-mid) 45%, var(--blue-deep) 100%);
}

/* ============================================================
   LAYOUT
   ============================================================ */

.stage {
  display: flex;
  height: 100vh;
  width: 100vw;
  padding: 3vmin;
  gap: 3vmin;
  align-items: center;
}

/* ============================================================
   LEFT PANEL
   ============================================================ */

.side-panel {
  flex: 0 0 32%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 2.6vmin;
  padding: 0 1vmin;
}

/* ---- title banner ---- */

.title-wrap {
  position: relative;
  margin-top: 1vmin;
}

.title-banner {
  background: linear-gradient(180deg, #ffe066 0%, var(--yellow) 55%, #f5b800 100%);
  border-radius: 14px;
  padding: 2vmin 2.5vmin;
  text-align: center;
  transform: rotate(-2deg);
  box-shadow:
    0 6px 0 rgba(0, 0, 0, 0.18),
    inset 0 -4px 0 rgba(0, 0, 0, 0.08);
}

.title-banner h1 {
  font-size: clamp(28px, 4.6vmin, 54px);
  letter-spacing: 2px;
  color: var(--white);
  -webkit-text-stroke: 1px rgba(0, 0, 0, 0.12);
  text-shadow:
    0 3px 0 #d98f00,
    0 5px 6px rgba(0, 0, 0, 0.25);
}

.deco {
  position: absolute;
  font-size: clamp(20px, 3.4vmin, 40px);
  z-index: 2;
  filter: drop-shadow(0 3px 3px rgba(0, 0, 0, 0.3));
}

.deco-left   { top: -2.2vmin; left: -1vmin;  transform: rotate(-14deg); }
.deco-right  { top: -2.4vmin; right: -0.6vmin; transform: rotate(12deg); }
.deco-ticket { bottom: -1.8vmin; left: 3vmin; transform: rotate(-8deg); font-size: clamp(16px, 2.6vmin, 30px); }

/* ---- instructions card ---- */

.info-card {
  background: rgba(6, 47, 96, 0.55);
  border-radius: 16px;
  padding: 2.4vmin 2.6vmin;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.25);
}

.info-card h2 {
  color: var(--yellow);
  font-size: clamp(20px, 3.2vmin, 38px);
  letter-spacing: 1px;
  margin-bottom: 1.2vmin;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.2);
}

.info-card p {
  font-size: clamp(14px, 2.2vmin, 24px);
  line-height: 1.45;
  color: #eaf4ff;
}

/* ---- score card ---- */

.score-card {
  display: flex;
  flex-direction: column;
  gap: 1.6vmin;
  padding: 0 0.6vmin;
}

.score-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5vmin;
}

.score-row .label {
  font-size: clamp(16px, 2.6vmin, 30px);
  letter-spacing: 1px;
  font-weight: bold;
}

.your-speed { color: var(--pink); text-shadow: 0 2px 0 rgba(0,0,0,0.2); }
.top-speed  { color: var(--white); font-style: italic; }

.score-row .value {
  font-size: clamp(18px, 2.8vmin, 34px);
  font-weight: bold;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.25);
}

.score-row .value.top { font-style: italic; }

/* ---- reset button ---- */

.reset-btn {
  align-self: flex-start;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: bold;
  font-size: clamp(13px, 2vmin, 22px);
  letter-spacing: 1px;
  color: #7a5a00;
  background: linear-gradient(180deg, #ffe066 0%, var(--yellow) 60%, #f0b400 100%);
  padding: 1.2vmin 3vmin;
  border-radius: 100px;
  box-shadow:
    0 4px 0 var(--yellow-dark),
    0 7px 8px rgba(0, 0, 0, 0.25);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.reset-btn:active {
  transform: translateY(3px);
  box-shadow:
    0 1px 0 var(--yellow-dark),
    0 3px 5px rgba(0, 0, 0, 0.25);
}

.reset-icon { display: inline-block; margin-right: 0.4em; }

/* ============================================================
   BOARD
   ============================================================ */

.board-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.2vmin;
  width: min(92vmin, 100%);
  aspect-ratio: 1 / 1;
  max-height: 94vh;
}

/* ---- tiles ---- */

.tile {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  perspective: 800px;
  border: none;
  background: none;
  padding: 0;
}

.tile-inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.34, 1.3, 0.64, 1);
}

.tile.flipped .tile-inner {
  transform: rotateY(180deg);
}

.tile-face {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* closed side — yellow circle */
.tile-front {
  background: radial-gradient(circle at 35% 30%, #ffe680 0%, var(--tile-face) 55%, #f0b400 100%);
  box-shadow:
    0 5px 0 rgba(0, 0, 0, 0.22),
    inset 0 -6px 12px rgba(0, 0, 0, 0.08),
    inset 0 6px 12px rgba(255, 255, 255, 0.35);
}

/* open side — light circle with icon */
.tile-back {
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, var(--tile-open) 60%, #bfe0f7 100%);
  box-shadow:
    0 5px 0 rgba(0, 0, 0, 0.22),
    inset 0 -5px 10px rgba(30, 100, 170, 0.15);
  transform: rotateY(180deg);
  font-size: clamp(26px, 8vmin, 90px);
}

/* matched pair */
.tile.matched { cursor: default; }

.tile.matched .tile-back {
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, #d9f2d9 60%, #a8dfae 100%);
  animation: match-pop 0.45s ease;
}

@keyframes match-pop {
  0%   { transform: rotateY(180deg) scale(1); }
  45%  { transform: rotateY(180deg) scale(1.14); }
  100% { transform: rotateY(180deg) scale(1); }
}

/* wrong pair shake */
.tile.wrong .tile-inner {
  animation: wrong-shake 0.35s ease;
}

@keyframes wrong-shake {
  0%, 100% { transform: rotateY(180deg) translateX(0); }
  25%      { transform: rotateY(180deg) translateX(-6px); }
  75%      { transform: rotateY(180deg) translateX(6px); }
}

/* ============================================================
   WIN OVERLAY
   ============================================================ */

.win-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 35, 75, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 10;
}

.win-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.win-card {
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--blue-panel) 100%);
  border: 4px solid var(--yellow);
  border-radius: 24px;
  padding: 5vmin 7vmin;
  text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  transform: scale(0.8);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.win-overlay.show .win-card { transform: scale(1); }

.win-stars {
  font-size: clamp(28px, 5vmin, 60px);
  margin-bottom: 1vmin;
}

.win-card h2 {
  color: var(--yellow);
  font-size: clamp(26px, 4.5vmin, 52px);
  letter-spacing: 2px;
  margin-bottom: 2vmin;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
}

.win-time {
  font-size: clamp(16px, 2.6vmin, 30px);
  margin-bottom: 1vmin;
}

.win-record {
  color: var(--yellow);
  font-weight: bold;
  font-size: clamp(15px, 2.4vmin, 28px);
  margin-bottom: 3vmin;
  visibility: hidden;
}

.win-record.show { visibility: visible; }

.reset-btn.big {
  align-self: center;
  font-size: clamp(15px, 2.4vmin, 28px);
  padding: 1.6vmin 4vmin;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ---- portrait (phone / tablet tegak) ---- */

@media (orientation: portrait) {
  html, body { overflow-y: auto; }

  .stage {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    justify-content: flex-start;
    padding: 4vmin 4vmin 6vmin;
    gap: 4vmin;
  }

  .side-panel {
    flex: none;
    width: 100%;
    max-width: 560px;
    gap: 3vmin;
  }

  .title-banner { padding: 1.6vmin 2vmin; }

  .info-card { padding: 2vmin 2.4vmin; }

  /* score + reset jadi satu baris rapat */
  .score-card {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1vmin 3vmin;
  }

  .score-row { gap: 1.2vmin; }

  .reset-btn { align-self: center; }

  .board-wrap { height: auto; width: 100%; }

  .board {
    width: min(92vw, 62vh, 560px);
    max-height: none;
  }
}

/* ---- layar pendek landscape (HP miring) ---- */

@media (orientation: landscape) and (max-height: 480px) {
  .stage { padding: 2vmin; gap: 2vmin; }

  .side-panel { gap: 1.6vmin; }

  .info-card p { display: none; } /* hemat ruang, judul cukup */

  .info-card { padding: 1.2vmin 2vmin; }

  .board { gap: 1.6vmin; }
}

/* ---- layar sangat kecil ---- */

@media (max-width: 380px) {
  .stage { padding: 3vmin 3vmin 8vmin; }

  .deco { display: none; }

  .score-card { flex-direction: column; }
}

/* ---- touch besar: area sentuh & teks nyaman di kiosk ---- */

@media (pointer: coarse) {
  .reset-btn { min-height: 44px; min-width: 44px; }
}