/* ── Design tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg:          #0b1a08;
  --panel:       #111f0d;
  --panel-deep:  #0d1a09;
  --border:      rgba(108, 150, 55, 0.30);
  --border-hi:   rgba(140, 185, 70, 0.65);
  --text:        #d4c89a;
  --text-muted:  #7a8a58;
  --gold:        #f5c040;
  --gold-dim:    rgba(245, 192, 64, 0.30);
  --green:       #7ecf6e;
  --green-dim:   rgba(126, 207, 110, 0.25);
  --lime:        #a8d45e;
  --lime-dim:    rgba(168, 212, 94, 0.25);
  --teal:        #4db6a8;
  --teal-dim:    rgba(77, 182, 168, 0.25);
  --red:         #e05c5c;
  --radius-sm:   10px;
  --radius-md:   14px;
  --blur:        blur(8px);
}

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

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: var(--bg);
  font-family: 'Fredoka', 'Segoe UI', system-ui, sans-serif;
  font-weight: 500;
  color: var(--text);
  user-select: none;
  letter-spacing: 0.2px;
}

/* ── Canvas ────────────────────────────────────────────────────────────────── */
#gameCanvas {
  display: block; position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; cursor: grab;
}

/* ── Top-left HUD ──────────────────────────────────────────────────────────── */
#hud-topleft {
  position: absolute; top: 12px; left: 12px;
  display: flex; flex-direction: column; gap: 6px;
  z-index: 10; pointer-events: none;
}

#coins-display, #tokens-display {
  background: rgba(11, 26, 8, 0.82);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 7px 16px;
  font-size: 16px; font-weight: 600;
  backdrop-filter: var(--blur);
  min-width: 140px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}

#coins-display  { color: var(--gold);  border-color: var(--gold-dim); }
#tokens-display { color: var(--green); border-color: var(--green-dim); }

#level-xp-display {
  background: rgba(11, 26, 8, 0.82);
  border: 2px solid var(--lime-dim);
  border-radius: var(--radius-md);
  padding: 7px 16px;
  backdrop-filter: var(--blur);
  display: flex; flex-direction: column; gap: 4px;
  min-width: 140px;
}

#level-display {
  font-size: 15px; font-weight: 700; color: var(--lime);
  text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}

#xp-bar-track {
  height: 6px; background: rgba(255,255,255,0.08);
  border-radius: 4px; overflow: hidden;
}
#xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--lime), var(--green));
  border-radius: 4px; width: 0%; transition: width 0.4s ease;
}

/* ── Top-center HUD ────────────────────────────────────────────────────────── */
#hud-topcenter {
  position: absolute; top: 12px; left: 50%;
  transform: translateX(-50%);
  z-index: 10; pointer-events: none;
}
#selected-seed {
  background: rgba(11, 26, 8, 0.82);
  border: 2px solid var(--green-dim);
  border-radius: var(--radius-md);
  padding: 7px 20px;
  font-size: 15px; font-weight: 600; color: var(--green);
  white-space: nowrap;
  backdrop-filter: var(--blur);
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

/* ── Top-right HUD ─────────────────────────────────────────────────────────── */
#hud-topright {
  position: absolute; top: 12px; right: 12px; z-index: 10;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.ui-btn {
  background: rgba(11, 26, 8, 0.82);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 18px;
  font-size: 15px; font-family: 'Fredoka', sans-serif; font-weight: 600;
  color: var(--text); cursor: pointer;
  backdrop-filter: var(--blur);
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.ui-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--border-hi);
  transform: translateY(-2px);
}
.primary-btn {
  background: #3a6b1c; border-color: #2e5415; color: #fff; font-weight: 700;
}
.primary-btn:hover { background: #2e5415; transform: translateY(-2px); }

/* ── Toolbar ───────────────────────────────────────────────────────────────── */
#toolbar {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%); z-index: 10;
}
#seed-slots {
  display: flex; gap: 8px;
  background: rgba(11, 26, 8, 0.88);
  border: 2px solid var(--border);
  border-radius: 18px; padding: 10px 14px;
  backdrop-filter: var(--blur);
  box-shadow: 0 4px 24px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
}
.seed-slot {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  cursor: pointer; padding: 8px 12px;
  border-radius: 12px; border: 2px solid rgba(255,255,255,0.08);
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
  min-width: 62px;
}
.seed-slot:hover {
  background: rgba(255,255,255,0.07);
  border-color: var(--border-hi);
  transform: translateY(-3px);
}
.seed-slot.active {
  border-color: var(--lime);
  background: var(--lime-dim);
  box-shadow: 0 0 12px rgba(168,212,94,0.3);
}
.seed-slot.empty-slot { opacity: 0.4; }
.seed-slot.shop-slot { border-color: var(--teal-dim); }
.seed-slot.shop-slot:hover {
  border-color: var(--teal);
  background: var(--teal-dim);
  box-shadow: 0 0 12px rgba(77,182,168,0.3);
}
.seed-dot {
  width: 26px; height: 26px; border-radius: 6px;
  border: 2px solid rgba(255,255,255,0.18); flex-shrink: 0;
}
.seed-img {
  width: 32px; height: 32px;
  object-fit: contain; flex-shrink: 0;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.5));
}
.seed-emoji {
  font-size: 24px; line-height: 1; flex-shrink: 0;
}
.shop-icon {
  font-size: 22px; width: auto; height: auto;
  border: none; background: transparent !important;
  border-radius: 0; line-height: 1;
}
.seed-name {
  font-size: 11px; font-family: 'Fredoka', sans-serif; font-weight: 600;
  color: var(--text-muted); text-align: center;
}
.seed-count {
  font-size: 13px; font-family: 'Fredoka', sans-serif;
  color: var(--gold); font-weight: 700;
}

/* ── Panel overlays ────────────────────────────────────────────────────────── */
.panel-overlay {
  position: absolute; inset: 0;
  background: rgba(5, 12, 4, 0.72);
  display: flex; align-items: center; justify-content: center;
  z-index: 20; backdrop-filter: blur(3px);
}
.panel-overlay.hidden { display: none; }
.panel-inner {
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: 20px; padding: 26px;
  width: 440px; max-width: 95vw; max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 12px 60px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.04);
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 14px;
  border-bottom: 2px solid rgba(255,255,255,0.06);
}
.panel-header h2 {
  font-size: 22px; font-family: 'Fredoka', sans-serif; font-weight: 700;
  color: var(--gold); letter-spacing: 0.5px;
}
.close-btn {
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--border);
  border-radius: 10px; color: var(--text);
  cursor: pointer; padding: 4px 12px;
  font-size: 16px; font-family: 'Fredoka', sans-serif;
  transition: background 0.15s, border-color 0.15s;
}
.close-btn:hover { background: rgba(224,92,92,0.2); border-color: rgba(224,92,92,0.5); }

/* ── Shop ──────────────────────────────────────────────────────────────────── */
#shop-items { display: flex; flex-direction: column; gap: 10px; }
.shop-item {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px; padding: 14px;
  transition: border-color 0.15s;
}
.shop-item:hover { border-color: var(--border-hi); }
.shop-item-info { flex: 1; }
.shop-item-name {
  font-size: 17px; font-family: 'Fredoka', sans-serif;
  font-weight: 700; margin-bottom: 4px; color: var(--text);
}
.shop-item-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; line-height: 1.6; }
.shop-item-cost { font-size: 13px; color: var(--gold); font-weight: 600; }
.coin-highlight  { color: var(--gold);  font-weight: 700; }
.token-highlight { color: var(--green); font-weight: 700; }
.shop-item-actions { display: flex; flex-direction: column; gap: 5px; }
.buy-btn, .shop-buy-btn {
  background: linear-gradient(180deg, #3e7a1a, #2e5c12);
  border: 2px solid #2a5210;
  border-radius: 10px; color: #fff; cursor: pointer;
  padding: 7px 14px; font-size: 13px;
  font-family: 'Fredoka', sans-serif; font-weight: 700;
  transition: filter 0.12s, transform 0.1s;
  white-space: nowrap; text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
.buy-btn:hover, .shop-buy-btn:hover { filter: brightness(1.15); transform: translateY(-2px); }
.buy-btn:active, .shop-buy-btn:active { transform: scale(0.97); filter: brightness(0.9); }

/* ── Wallet modal ──────────────────────────────────────────────────────────── */
.wallet-inner { width: 360px; }
.wallet-inner .panel-header h2 { color: var(--teal); }
.wallet-coming-soon { font-size: 15px; font-weight: 600; color: var(--teal); margin-bottom: 8px; }
.wallet-sub { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 18px; }
#wallet-address-display {
  background: var(--teal-dim);
  border: 1px solid rgba(77,182,168,0.30);
  border-radius: 8px; padding: 10px 14px;
  font-size: 13px; color: var(--teal);
  font-family: monospace; word-break: break-all; margin-top: 12px;
}

/* ── Harvest popups ────────────────────────────────────────────────────────── */
#popup-container {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 15; overflow: hidden;
}
.harvest-popup {
  position: absolute;
  font-size: 18px; font-family: 'Fredoka', sans-serif; font-weight: 700;
  color: var(--gold);
  text-shadow: 0 2px 8px rgba(0,0,0,0.9), 0 0 16px rgba(245,192,64,0.4);
  pointer-events: none; white-space: nowrap;
  animation: floatUp 1.4s ease-out forwards; letter-spacing: 0.5px;
}
.harvest-popup.tokens {
  color: var(--green); font-size: 14px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.9), 0 0 12px rgba(126,207,110,0.4);
}
@keyframes floatUp {
  0%   { opacity: 1; transform: translateY(0) scale(1); }
  30%  { opacity: 1; transform: translateY(-20px) scale(1.15); }
  100% { opacity: 0; transform: translateY(-70px) scale(0.9); }
}

/* ── Tile tooltip ──────────────────────────────────────────────────────────── */
#tile-tooltip {
  position: absolute;
  background: rgba(11, 26, 8, 0.88);
  border: 2px solid var(--border);
  border-radius: 10px; padding: 7px 14px;
  font-size: 13px; font-family: 'Fredoka', sans-serif; font-weight: 500;
  color: var(--text); pointer-events: none; z-index: 12;
  backdrop-filter: var(--blur);
}
#tile-tooltip.hidden { display: none; }

/* ── Controls hint ─────────────────────────────────────────────────────────── */
#ca-banner {
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(11, 26, 8, 0.82);
  border: 1px solid rgba(108, 150, 55, 0.35);
  border-radius: 8px;
  padding: 5px 14px;
  font-size: 12px;
  font-family: monospace;
  color: rgba(212, 200, 154, 0.75);
  z-index: 20;
  cursor: pointer;
  white-space: nowrap;
  backdrop-filter: blur(6px);
  letter-spacing: 0.02em;
  transition: color 0.15s, border-color 0.15s;
}
#ca-banner:hover {
  color: #f5c040;
  border-color: rgba(245, 192, 64, 0.5);
}

#controls-hint {
  position: absolute; bottom: 10px; left: 50%;
  transform: translateX(-50%);
  font-size: 12px; font-family: 'Fredoka', sans-serif; font-weight: 500;
  color: rgba(212, 200, 154, 0.25); white-space: nowrap;
  z-index: 5; pointer-events: none;
}

/* ── Wallet nudge ──────────────────────────────────────────────────────────── */
#wallet-play-nudge {
  position: fixed; bottom: 108px; left: 50%;
  transform: translateX(-50%);
  background: rgba(11, 26, 8, 0.88);
  border: 2px solid rgba(77,182,168,0.45);
  border-radius: 14px; padding: 10px 26px;
  font-family: 'Fredoka', sans-serif; font-size: 16px; font-weight: 600;
  color: var(--teal); pointer-events: none; z-index: 30;
  backdrop-filter: var(--blur); white-space: nowrap;
  animation: nudgePulse 2.5s ease-in-out infinite;
}
#wallet-play-nudge.hidden { display: none; }
@keyframes nudgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(77,182,168,0.35); }
  50%       { box-shadow: 0 0 0 10px rgba(77,182,168,0); }
}

/* ── Leaderboard ───────────────────────────────────────────────────────────── */
#leaderboard-list { display: flex; flex-direction: column; gap: 8px; }
.lb-row {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px; padding: 12px 16px;
}
.lb-rank { font-size: 18px; font-weight: 700; color: var(--gold); min-width: 28px; text-align: center; }
.lb-rank.top1 { color: #ffd700; font-size: 20px; }
.lb-rank.top2 { color: #c0c0c0; }
.lb-rank.top3 { color: #cd7f32; }
.lb-name { flex: 1; font-size: 16px; font-weight: 700; color: var(--text); font-family: 'Fredoka', sans-serif; }
.lb-tokens { font-size: 14px; font-weight: 700; color: var(--green); }
.lb-coins  { font-size: 13px; color: var(--gold); }
.lb-empty  { text-align: center; color: var(--text-muted); font-size: 15px; padding: 20px; }

/* ── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }