/* ── 2D Game Layout ──────────────────────────────── */
#game-2d {
  min-height: 100vh;
  background: var(--green-dark);
  padding-bottom: 3rem;
}

/* ── Mode Picker ─────────────────────────────────── */
#mode-picker {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1rem;
}
#mode-picker h2 {
  text-align: center;
  color: var(--gold);
  text-shadow: 3px 3px 0 var(--ink);
  margin-bottom: .3rem;
}
.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.mode-card {
  background: var(--cream);
  color: var(--ink);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 1.2rem;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  display: flex; flex-direction: column; gap: .5rem;
  position: relative;
}
.mode-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
}
.mode-card:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink);
}
.mode-card .mode-icon { font-size: 2rem; line-height: 1; }
.mode-card .mode-name { font-family: var(--font-display); font-size: 1.4rem; line-height: 1; }
.mode-card .mode-desc { font-size: .85rem; color: #444; }
.mode-card .mode-stat { font-family: var(--font-display2); font-size: .7rem; color: var(--green-dark); margin-top: auto; }
.mode-card .mode-badge {
  position: absolute; top: .6rem; right: .6rem;
  background: var(--gold); color: var(--ink);
  font-family: var(--font-display2); font-size: .6rem;
  padding: .1em .4em; border-radius: 4px; border: 1px solid var(--ink);
}

/* ── Game Area ───────────────────────────────────── */
#game-area {
  max-width: 700px;
  margin: 0 auto;
  padding: 1rem;
}

/* ── Mode header bar ─────────────────────────────── */
.game-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .5rem 0;
  margin-bottom: .8rem;
  flex-wrap: wrap;
  gap: .5rem;
}
.game-mode-label {
  font-family: var(--font-display); font-size: 1.2rem;
  color: var(--gold); text-shadow: 1px 1px 0 var(--ink);
}
.game-back-btn {
  font-size: .8rem;
  padding: .2em .6em;
}

/* ── Target panel ─────────────────────────────────── */
#target-panel {
  background: var(--cream); color: var(--ink);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 1.2rem 1.5rem;
  margin-bottom: 1rem;
}
#target-panel h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: .6rem; }
.target-input-row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
#target-input {
  font-family: var(--font-display); font-size: 1.5rem;
  width: 100px; padding: .3em .5em;
  border: var(--border); border-radius: var(--radius);
  background: var(--white); color: var(--ink);
  box-shadow: inset 2px 2px 0 rgba(0,0,0,.1);
}
#target-input:focus { outline: 3px solid var(--gold); outline-offset: 1px; }
.target-hint { font-size: .8rem; color: #666; }

/* ── Playing field ───────────────────────────────── */
#playing-field {
  background: var(--green-mid);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 1.2rem;
  min-height: 280px;
  position: relative;
}

.field-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }

/* Deck zone */
.deck-zone { display: flex; flex-direction: column; align-items: center; gap: .4rem; }
.deck-stack {
  width: 70px; height: 98px;
  position: relative;
  cursor: pointer;
}
.deck-stack::before, .deck-stack::after {
  content: '';
  position: absolute;
  width: 66px; height: 94px;
  background: var(--brown-dark);
  border: 2px solid var(--brown);
  border-radius: 6px;
  top: 3px; left: 3px;
}
.deck-stack::after { top: 1px; left: 1px; }
.deck-top {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #1e3a5f 0%, #0f2040 100%);
  border: 2px solid var(--cream);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: rgba(255,255,255,.15);
  z-index: 2;
  transition: transform .1s;
}
.deck-stack:hover .deck-top  { transform: translateY(-3px); }
.deck-stack.empty .deck-top  { opacity: .3; cursor: default; }
.deck-stack.disabled .deck-top { cursor: not-allowed; }
.deck-count {
  font-family: var(--font-display2); font-size: .75rem;
  color: var(--cream); text-align: center;
}

/* Sum display */
.sum-display {
  background: var(--cream); color: var(--ink);
  border: var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: .6rem 1rem; text-align: center;
  min-width: 110px;
}
.sum-label { font-family: var(--font-display2); font-size: .7rem; color: #555; }
.sum-value { font-family: var(--font-display); font-size: 2.5rem; line-height: 1.1; color: var(--ink); }
.sum-value.winning { color: var(--green-dark); }
.sum-value.busting  { color: var(--red); }

/* Target display */
.target-display {
  background: var(--gold); color: var(--ink);
  border: var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: .6rem 1rem; text-align: center;
  min-width: 90px;
}
.target-display .sum-label { color: var(--brown-dark); }
.target-display .sum-value { font-size: 2rem; }

/* Parallel Universes */
#parallel-universes {
  background: rgba(0,0,0,.2);
  border-radius: var(--radius);
  padding: .6rem .8rem;
  margin-top: .6rem;
}
#parallel-universes .pu-label {
  font-family: var(--font-display2); font-size: .7rem;
  color: var(--green-glow); letter-spacing: .05em;
  margin-bottom: .4rem;
}
#pu-chips { display: flex; flex-wrap: wrap; gap: .4rem; }

/* Practice previews */
.practice-preview {
  display: flex; gap: .4rem; flex-direction: column; align-items: center;
}
.practice-preview-label { font-family: var(--font-display2); font-size: .65rem; color: var(--green-glow); }
.preview-cards { display: flex; gap: .3rem; }
.preview-card {
  width: 36px; height: 50px;
  background: var(--cream); color: var(--ink);
  border: 2px solid var(--ink); border-radius: 4px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--font-body); font-weight: 800; font-size: .75rem;
  line-height: 1.1;
}
.preview-card.red { color: var(--red); }

/* ── Cards on table ─────────────────────────────── */
.cards-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  min-height: 110px;
  align-items: flex-end;
}

.card-2d {
  width: 60px; height: 84px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 3px 4px;
  box-shadow: 2px 2px 4px rgba(0,0,0,.3);
  position: relative;
  font-family: var(--font-body);
  animation: card-slide-in .3s ease-out;
  flex-shrink: 0;
}
.card-2d.red { color: #C00020; }

@keyframes card-slide-in {
  from { transform: translateY(-20px) rotate(-5deg); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

.card-rank { font-size: .85rem; font-weight: 800; line-height: 1; }
.card-suit { font-size: .9rem; line-height: 1; }
.card-center { font-size: 1.3rem; text-align: center; flex: 1; display: flex; align-items: center; justify-content: center; }
.card-rank-bot { font-size: .85rem; font-weight: 800; line-height: 1; transform: rotate(180deg); align-self: flex-end; }

/* ── Win / Bust banner ───────────────────────────── */
#result-banner {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  text-align: center;
  pointer-events: none;
}
.banner-win {
  background: var(--green); color: var(--ink);
  border: 4px solid var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 1rem 2rem;
  font-family: var(--font-display); font-size: 2.5rem; line-height: 1;
  animation: banner-pop .4s cubic-bezier(.34,1.56,.64,1);
}
.banner-bust {
  background: var(--red); color: var(--white);
  border: 4px solid var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 1rem 2rem;
  font-family: var(--font-display); font-size: 2.5rem; line-height: 1;
  animation: banner-pop .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes banner-pop {
  from { transform: translate(-50%,-50%) scale(.4); opacity: 0; }
  to   { transform: translate(-50%,-50%) scale(1);  opacity: 1; }
}

/* ── Mode overlays (streak, lives, timer, etc.) ─── */
#mode-overlay {
  display: flex; align-items: center; flex-wrap: wrap; gap: .6rem;
  padding: .5rem 0;
  margin-bottom: .5rem;
  min-height: 2.5rem;
}

.streak-counter {
  background: var(--cream); color: var(--ink);
  border: var(--border); border-radius: var(--radius);
  padding: .3em .8em;
  font-family: var(--font-display); font-size: 1.4rem;
}
.streak-counter span { font-size: .7rem; font-family: var(--font-display2); }

.lives-display { font-size: 1.5rem; letter-spacing: .3em; }
.life-dead { filter: grayscale(1) opacity(.3); }

.timer-display {
  font-family: var(--font-display); font-size: 1.6rem;
  color: var(--gold); text-shadow: 1px 1px 0 var(--ink);
}
.timer-display.urgent { color: var(--red); animation: timer-pulse .5s infinite; }
@keyframes timer-pulse { 50% { opacity: .5; } }

.flip-counter {
  font-family: var(--font-display2); font-size: .85rem;
  color: var(--cream);
}

/* ── Constraint chips ─────────────────────────────── */
#constraint-chips {
  display: flex; flex-wrap: wrap; gap: .3rem;
  margin-bottom: .5rem;
}
.constraint-chip {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.4);
  color: var(--cream);
  border-radius: 999px;
  padding: .1em .5em;
  font-size: .75rem;
}
.constraint-chip.failed { background: var(--red); border-color: var(--red); color: #fff; text-decoration: line-through; }

/* ── Post-round controls ─────────────────────────── */
#post-round {
  margin-top: 1rem;
  display: flex; gap: .8rem; flex-wrap: wrap;
}

/* ── Fullscreen overlay (game over, etc.) ───────── */
.fullscreen-overlay {
  position: fixed; inset: 0;
  background: rgba(10,46,28,.95);
  z-index: 300;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 1.2rem;
  text-align: center;
  padding: 2rem;
  animation: fade-in .3s ease;
}
.fullscreen-overlay h2 { color: var(--gold); text-shadow: 3px 3px 0 var(--ink); font-size: 3rem; }
.fullscreen-overlay p { font-size: 1.1rem; max-width: 400px; }

/* ── Streak milestone banner ─────────────────────── */
#milestone-banner {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%);
  z-index: 400;
  background: var(--gold); color: var(--ink);
  border: 4px solid var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 8px 8px 0 var(--ink);
  padding: .8rem 2rem;
  font-family: var(--font-display); font-size: 1.8rem;
  text-align: center;
  animation: milestone-drop .5s cubic-bezier(.34,1.56,.64,1);
  pointer-events: none;
}
@keyframes milestone-drop {
  from { top: 0; opacity: 0; }
  to   { top: 80px; opacity: 1; }
}

/* ── Daily Target badge ──────────────────────────── */
.daily-badge {
  background: var(--green-mid);
  border: 2px solid var(--green-glow);
  border-radius: var(--radius);
  padding: .3em .8em;
  font-family: var(--font-display2); font-size: .75rem;
  color: var(--cream);
}

/* ── Custom challenge builder ────────────────────── */
#challenge-builder {
  background: var(--cream); color: var(--ink);
  border: var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 1.2rem;
}
#challenge-builder h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: .8rem; }
.challenge-row { display: flex; align-items: center; gap: .8rem; margin-bottom: .6rem; flex-wrap: wrap; }
.challenge-row label { font-weight: 700; min-width: 120px; }
.challenge-row input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--green-dark); }
.challenge-row input[type=number], .challenge-row select {
  font-family: var(--font-body); font-size: .95rem;
  padding: .25em .5em; border: var(--border); border-radius: var(--radius);
  background: var(--white); color: var(--ink); width: 80px;
}

/* ── Speedrun records ────────────────────────────── */
.speedrun-records { font-size: .8rem; color: var(--cream); }
.speedrun-records span { color: var(--gold); font-weight: 700; }

/* ── Mobile adjustments ──────────────────────────── */
@media (max-width: 500px) {
  .mode-grid { grid-template-columns: 1fr 1fr; }
  .mode-card { padding: .8rem; }
  .mode-icon { font-size: 1.5rem; }
  .card-2d { width: 48px; height: 68px; }
  .banner-win, .banner-bust { font-size: 1.8rem; padding: .7rem 1.2rem; }
}