:root {
  --bg-1: #0f1622;
  --bg-2: #1a2436;
  --bg-3: #243049;
  --grid-line: #2d3a55;
  --grass: #2f4f3b;
  --grass-2: #36583f;
  --path: #d9c79a;
  --path-edge: #b09766;
  --text: #e9ecf3;
  --text-dim: #9aa3b4;
  --gold: #f5c542;
  --stone: #6bd1ff;
  --hp: #ff6e6e;
  --common: #b6bac3;
  --rare: #4ed188;
  --epic: #4f8bf0;
  --legendary: #b06bf0;
  --mythic: #f49b3a;
  --immortal: #ffffff;
  --accent: #ffd166;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.08);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 30% 0%, #1c2740 0%, #0b1019 60%);
  color: var(--text);
  font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
  min-height: 100vh;
  min-height: 100dvh;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

/* =========================================================
 * Welcome screen
 * ========================================================= */
#welcome-screen {
  min-height: 100vh;
  min-height: 100dvh;
  padding: max(20px, var(--safe-top)) max(16px, var(--safe-right)) max(20px, var(--safe-bottom)) max(16px, var(--safe-left));
  display: flex;
  justify-content: center;
}

.welcome-inner {
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.welcome-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.welcome-header .logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ffd166, #f49b3a);
  color: #20140a;
  font-weight: 900;
  font-size: 22px;
  display: grid;
  place-items: center;
  letter-spacing: -1px;
  box-shadow: 0 8px 22px rgba(244, 155, 58, 0.45);
}

.welcome-header h1 {
  margin: 0;
  font-size: 26px;
  line-height: 1.1;
}

.welcome-header .tagline {
  margin: 4px 0 0;
  color: var(--text-dim);
  font-size: 13px;
}

.event-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(79, 139, 240, 0.22), rgba(176, 107, 240, 0.22));
  border: 1px solid rgba(79, 139, 240, 0.45);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.event-banner:hover,
.event-banner:active {
  transform: translateY(-1px);
  border-color: rgba(79, 139, 240, 0.8);
}
.event-banner .event-tag {
  flex: none;
  padding: 4px 8px;
  border-radius: 8px;
  background: var(--epic);
  color: #0b1019;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.event-banner .event-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1 1 auto;
}
.event-banner .event-title {
  font-size: 14px;
  font-weight: 700;
}
.event-banner .event-sub {
  font-size: 12px;
  color: var(--text-dim);
}
.event-banner .event-cta {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.welcome-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stat-pill {
  flex: 1 1 calc(50% - 4px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
}
.stat-pill .k { color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.stat-pill .v { font-weight: 700; font-variant-numeric: tabular-nums; }

.welcome-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.welcome-section h2 {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

#welcome-difficulty {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.difficulty-card {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-left: 4px solid var(--diff-color, var(--text-dim));
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s ease, transform 0.05s ease;
}
.difficulty-card:hover { background: rgba(255,255,255,0.06); }
.difficulty-card:active { transform: translateY(1px); }
.difficulty-card.active {
  background: rgba(255, 209, 102, 0.07);
  border-color: var(--accent);
  border-left-color: var(--diff-color, var(--accent));
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.diff-name { font-weight: 700; }
.diff-desc { color: var(--text-dim); font-size: 12px; margin-top: 2px; }
.diff-stats { color: var(--text-dim); font-size: 11px; margin-top: 4px; font-variant-numeric: tabular-nums; }

#welcome-map {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}
#welcome-map .hint {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-dim);
}
.map-card {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s ease, transform 0.05s ease;
}
.map-card:hover:not(:disabled) { background: rgba(255,255,255,0.06); }
.map-card:active:not(:disabled) { transform: translateY(1px); }
.map-card.active {
  background: rgba(255, 209, 102, 0.07);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.map-card:disabled { opacity: 0.5; cursor: not-allowed; }
.map-preview {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 1px;
  aspect-ratio: 10 / 6;
  margin-bottom: 8px;
  background: #2f4a3a;
  padding: 3px;
  border-radius: 6px;
}
.mp-cell {
  background: rgba(255,255,255,0.04);
  border-radius: 1px;
}
.mp-cell.path { background: #d9c79a; }
.map-name { font-weight: 700; font-size: 13px; }
.map-desc { color: var(--text-dim); font-size: 11px; margin-top: 2px; }

/* === Mode selection === */
#welcome-mode {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
#welcome-mode .hint {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-dim);
}
.mode-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-left: 4px solid var(--mode-color, var(--text-dim));
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s ease, transform 0.05s ease;
}
.mode-card:hover { background: rgba(255,255,255,0.06); }
.mode-card:active { transform: translateY(1px); }
.mode-card.active {
  background: rgba(255, 209, 102, 0.07);
  border-color: var(--accent);
  border-left-color: var(--mode-color, var(--accent));
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.mode-glyph {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-size: 22px;
  line-height: 1;
  border-radius: 10px;
  background: color-mix(in srgb, var(--mode-color, #fff) 14%, transparent);
  border: 1px solid var(--panel-border);
  color: var(--mode-color, var(--text));
}
.mode-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mode-name { font-weight: 700; }
.mode-desc { color: var(--text-dim); font-size: 12px; }
.mode-stats { color: var(--accent); font-size: 11px; margin-top: 2px; font-variant-numeric: tabular-nums; }

/* === Co-op toggle === */
.coop-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
}
.coop-toggle:hover { background: rgba(255,255,255,0.06); }
.coop-text { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.coop-title { font-weight: 700; }
.coop-sub { color: var(--text-dim); font-size: 12px; }
.coop-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.coop-switch {
  flex: 0 0 auto;
  width: 44px;
  height: 26px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid var(--panel-border);
  position: relative;
  transition: background 0.15s ease;
}
.coop-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,0.4);
  transition: transform 0.15s ease;
}
.coop-input:checked + .coop-switch { background: var(--accent); }
.coop-input:checked + .coop-switch::after { transform: translateX(18px); }
.coop-input:focus-visible + .coop-switch { box-shadow: 0 0 0 2px var(--accent); }

.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}
.primary-btn {
  width: 100%;
  background: linear-gradient(180deg, #ffd166, #f49b3a);
  color: #20140a;
  border: none;
  border-radius: 14px;
  padding: 16px;
  font: inherit;
  font-weight: 800;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(244, 155, 58, 0.35);
}
.primary-btn:active { transform: translateY(1px); }

#resume-run {
  background: linear-gradient(180deg, #6bd47a, #3aa14b);
  color: #052010;
  box-shadow: 0 8px 22px rgba(58, 161, 75, 0.35);
}

.welcome-details {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 4px 14px;
}
.welcome-details > summary {
  cursor: pointer;
  padding: 10px 0;
  font-weight: 600;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.welcome-details > summary::-webkit-details-marker { display: none; }
.welcome-details > summary .dim { color: var(--text-dim); font-weight: 400; }
.welcome-details[open] > summary { border-bottom: 1px solid var(--panel-border); }
.welcome-details > *:not(summary) { padding: 10px 0; }

.help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.help-grid section h3 {
  margin: 0 0 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.help-grid ul { list-style: none; padding: 0; margin: 0; }
.kbd-list li, .tips-list li { padding: 3px 0; font-size: 13px; color: var(--text); }
.tips-list li { color: var(--text-dim); padding: 4px 0; }
kbd {
  background: var(--bg-3);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 2px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  margin-right: 6px;
}

.rarity-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; }
.rarity-legend li { display: flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.common { background: var(--common); }
.dot.rare { background: var(--rare); }
.dot.epic { background: var(--epic); }
.dot.legendary { background: var(--legendary); }
.dot.mythic { background: var(--mythic); box-shadow: 0 0 8px var(--mythic); }
.dot.immortal {
  background: conic-gradient(from 0deg, #ff7e7e, #ffd166, #6bd1ff, #b06bf0, #ff7e7e);
  box-shadow: 0 0 8px rgba(255,255,255,0.4);
}

.recipe-list { font-size: 13px; }
.recipe-list li {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.recipe-list li:first-child { border-top: none; }
.recipe-arrow { color: var(--text-dim); font-weight: 700; }
.recipe-to { text-align: right; font-weight: 700; }

.family-list { font-size: 13px; }
.family-list li {
  padding: 8px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.family-list li:first-child { border-top: none; }
.family-list .family-head { display: flex; align-items: baseline; gap: 8px; }
.family-list .fam-name { font-weight: 800; font-size: 14px; }
.family-list .fam-desc { color: var(--text-dim); font-size: 12px; }
.family-list .family-ladder { display: flex; gap: 6px; margin-top: 6px; }
.family-list .fam-chip {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 8px;
  border: 2px solid var(--text-dim);
  background: rgba(255,255,255,0.04);
  font-size: 16px;
}

.recipe-note { color: var(--text-dim); font-size: 12px; margin: 0 0 8px; }
.recipe-list { font-size: 13px; }
.recipe-list .recipe-group { padding: 8px 0 2px; }
.recipe-list .recipe-tier {
  font-weight: 800; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.recipe-list .recipe-row {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 6px 10px;
  padding: 6px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.recipe-list .recipe-result { font-weight: 700; }
.recipe-list .recipe-formula { display: flex; align-items: center; gap: 4px; }
.recipe-list .recipe-chip {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 7px;
  border: 2px solid var(--text-dim);
  background: rgba(255,255,255,0.04);
  font-size: 14px;
}
.recipe-list .recipe-plus { color: var(--text-dim); font-weight: 700; }
.recipe-list .recipe-stones { font-weight: 700; white-space: nowrap; }

/* === In-game Recipe Guide (Recipes panel) === */
.rg-note { color: var(--text-dim); font-size: 12.5px; margin: 0 0 10px; line-height: 1.4; }
.rg-list { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.rg-group { padding: 10px 0 2px; }
.rg-tier {
  font-weight: 800; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.rg-row {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 6px 10px;
  padding: 8px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.rg-row.is-ready { background: rgba(244,155,58,0.08); border-radius: 8px; padding-left: 6px; padding-right: 6px; }
.rg-result { font-weight: 700; flex: 1 1 auto; min-width: 120px; }
.rg-formula { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.rg-chip {
  position: relative;
  display: inline-grid; place-items: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 2px solid var(--text-dim);
  background: rgba(255,255,255,0.04);
  font-size: 15px;
  opacity: 0.55;
}
.rg-chip.ok { opacity: 1; }
.rg-chip .rg-x {
  position: absolute; bottom: -2px; right: -4px;
  font-size: 9px; font-weight: 800;
  background: #1c2740; border-radius: 6px; padding: 0 2px;
}
.rg-chip .rg-have {
  position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
  font-size: 9px; font-weight: 700; color: var(--text-dim);
  white-space: nowrap;
}
.rg-chip.ok .rg-have { color: var(--good, #4ed188); }
.rg-stones { font-weight: 700; white-space: nowrap; opacity: 0.55; }
.rg-stones.ok { opacity: 1; }
.rg-status {
  margin-left: auto; font-size: 11px; font-weight: 700;
  color: var(--text-dim); white-space: nowrap;
}
.rg-status.ready { color: #4ed188; }

.ach-list { font-size: 13px; }
.ach-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.ach-list li:first-child { border-top: none; }
.ach-mark {
  display: inline-grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--text-dim);
  font-weight: 700;
}
.ach-list li.done .ach-mark { background: var(--rare); color: #052010; }
.ach-list li.done .ach-title { color: var(--rare); }
.ach-title { font-weight: 600; }
.ach-desc { font-size: 12px; color: var(--text-dim); }

.welcome-footer {
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.link-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font: inherit;
  font-size: 12px;
  text-decoration: underline;
  cursor: pointer;
}
.link-btn:hover { color: var(--text); }

/* =========================================================
 * Game screen
 * ========================================================= */
#app {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: max(6px, var(--safe-top)) max(8px, var(--safe-right)) max(8px, var(--safe-bottom)) max(8px, var(--safe-left));
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
}

.brand-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
  padding: 4px 6px;
  border-radius: 8px;
}
.brand-btn:hover { background: rgba(255,255,255,0.04); }
.brand-btn .logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, #ffd166, #f49b3a);
  color: #20140a;
  font-weight: 800;
  font-size: 12px;
  display: grid;
  place-items: center;
  letter-spacing: -1px;
}
.brand-btn .title { font-size: 14px; font-weight: 700; }

.stats { display: flex; gap: 6px; flex-wrap: wrap; }
.stat {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding: 4px 8px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  font-variant-numeric: tabular-nums;
}
.stat .label {
  color: var(--text-dim);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat span:not(.label):not(.dim) { font-weight: 700; font-size: 14px; }
.stat .dim { color: var(--text-dim); font-size: 11px; }
.stat.hp span:not(.label):not(.dim) { color: var(--hp); }
#gold-display { color: var(--gold); }
#stones-display { color: var(--stone); }

main { display: block; }

#action-bar {
  position: relative;
  z-index: 95;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 6px;
}
#topbar { position: relative; z-index: 95; }

#action-bar button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  min-height: 42px;
  transition: background 0.15s ease, transform 0.05s ease;
}

#action-bar button:hover { background: #2e3a55; }
#action-bar button:active { transform: translateY(1px); }
#action-bar button.active {
  background: rgba(255, 209, 102, 0.10);
  border-color: var(--accent);
  color: var(--accent);
}

#action-bar .chip {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent);
  color: #20140a;
  font-size: 11px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
#action-bar .chip.empty { background: rgba(255,255,255,0.15); color: var(--text-dim); }

#golem-btn {
  border-color: rgba(244, 155, 58, 0.55);
  animation: golemPulse 1.6s ease-in-out infinite;
}
#golem-btn.active { animation: none; border-color: var(--hp); }
#golem-btn.active .chip { background: var(--hp); color: #1a0606; }
@keyframes golemPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(244, 155, 58, 0.45); }
  50%      { box-shadow: 0 0 0 6px rgba(244, 155, 58, 0); }
}

#board-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(180deg, #1f2a3f, #161e2d);
  border: 1px solid var(--panel-border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

#board {
  display: block;
  width: 100%;
  height: auto;
  cursor: pointer;
  touch-action: none;
}

#board-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

#wave-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 209, 102, 0.4);
  color: var(--accent);
  padding: 12px 22px;
  border-radius: 14px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.25s ease;
}

#wave-banner.show {
  opacity: 1;
  animation: bannerPop 0.35s cubic-bezier(.2,1.6,.5,1) both;
}
@keyframes bannerPop {
  0%   { transform: translate(-50%, -50%) scale(0.6); opacity: 0; }
  60%  { transform: translate(-50%, -50%) scale(1.08); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1.0); opacity: 1; }
}

#game-over {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: rgba(8, 12, 22, 0.78);
  display: grid;
  place-items: center;
  pointer-events: auto;
}
.over-card {
  background: var(--bg-2);
  border: 1px solid var(--panel-border);
  padding: 32px 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.7);
  min-width: 300px;
  animation: modalIn 0.5s cubic-bezier(.2,1.2,.5,1);
}
@keyframes modalIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.over-card h2 { margin: 0 0 6px; font-size: 26px; }
.over-card p { margin: 0 0 16px; color: var(--text-dim); }
.end-actions { display: flex; gap: 8px; justify-content: center; }
.end-actions button {
  background: linear-gradient(180deg, #ffd166, #f49b3a);
  color: #20140a;
  border: none;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
}
.end-actions .ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--panel-border);
}

/* ===== Bottom sheets (Missions, Dungeon, Artifacts, Inspector) ===== */
#sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  -webkit-backdrop-filter: blur(2px);
          backdrop-filter: blur(2px);
}
#sheet-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  max-height: min(82vh, 82dvh);
  background: var(--bg-2);
  border: 1px solid var(--panel-border);
  border-bottom: none;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  padding-bottom: var(--safe-bottom);
  box-shadow: 0 -16px 40px rgba(0,0,0,0.55);
  transform: translateY(110%);
  transition: transform 0.28s cubic-bezier(.2,.9,.3,1), visibility 0s 0.28s;
  pointer-events: none;
  visibility: hidden;
}
.sheet.open {
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
  transition: transform 0.28s cubic-bezier(.2,.9,.3,1), visibility 0s 0s;
}

.sheet > header {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--panel-border);
}
.sheet > header h3 {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}
.sheet > header button {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 8px;
}
.sheet > header button:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.sheet .grab {
  position: absolute;
  left: 50%;
  top: 6px;
  transform: translateX(-50%);
  width: 38px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.16);
}

.sheet-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 12px 14px max(14px, calc(var(--safe-bottom) + 12px));
  font-size: 13px;
}

@media (min-width: 720px) {
  .sheet {
    left: 50%;
    right: auto;
    width: min(460px, calc(100% - 32px));
    bottom: 24px;
    border-radius: 18px;
    border: 1px solid var(--panel-border);
    transform: translate(-50%, calc(100% + 24px));
  }
  .sheet.open { transform: translate(-50%, 0); }
}

#mission-list { list-style: none; margin: 0; }
#mission-list li {
  padding: 7px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
#mission-list li:first-child { border-top: none; }
#mission-list li.done { color: var(--text-dim); text-decoration: line-through; }
#mission-list .reward { color: var(--accent); font-size: 11px; white-space: nowrap; }

/* Inspector content (rendered into the inspector sheet) */
#unit-info-body .unit-card { display: flex; align-items: center; gap: 10px; }
#unit-info-body .glyph {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-size: 28px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--common);
}
#unit-info-body .meta { line-height: 1.3; }
#unit-info-body .meta .name { font-weight: 700; }
#unit-info-body .meta .rarity { font-size: 12px; }
#unit-info-body table {
  margin-top: 10px;
  width: 100%;
  font-size: 13px;
  border-collapse: collapse;
}
#unit-info-body td { padding: 3px 0; }
#unit-info-body td.k { color: var(--text-dim); width: 50%; }
#unit-info-body td.v { text-align: right; font-variant-numeric: tabular-nums; }

.hint { color: var(--text-dim); margin: 4px 0; font-size: 13px; }

#unit-actions { display: flex; gap: 6px; margin-top: 10px; }
#unit-actions button {
  flex: 1;
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 7px 10px;
  cursor: pointer;
  font-weight: 600;
}
#unit-actions button:hover { background: #2e3a55; }
#merge-btn { background: linear-gradient(180deg, #f49b3a, #d97f29) !important; color: #20140a !important; border: none !important; }
#dungeon-btn { background: linear-gradient(180deg, #b06bf0, #7e3bbb) !important; color: #1a0a2a !important; border: none !important; }

.recipe-hint {
  margin-top: 12px;
  padding: 8px;
  background: rgba(255, 209, 102, 0.05);
  border: 1px solid rgba(255, 209, 102, 0.2);
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.4;
}

/* Artifacts list inside popup */
.artifact-list { list-style: none; padding: 0; margin: 0; }
.artifact-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.artifact-row:first-child { border-top: none; }
.artifact-row .glyph {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  font-size: 24px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--legendary);
}
.artifact-row .meta { line-height: 1.35; }
.artifact-row .name { font-weight: 700; }
.artifact-row .lvl { color: var(--text-dim); font-weight: 600; font-size: 12px; margin-left: 6px; }
.artifact-row .desc { color: var(--text-dim); font-size: 12px; }
.artifact-row .effect { font-size: 12px; margin-top: 2px; }
.artifact-row .effect .dim { color: var(--text-dim); }
.artifact-buy {
  background: linear-gradient(180deg, #6bd1ff, #3aa7d6);
  color: #07212e;
  border: none;
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.artifact-buy:disabled { opacity: 0.45; cursor: not-allowed; }

/* Dungeon panel */
.dungeon-boss { padding: 4px 0 10px; }
.boss-row { display: flex; align-items: center; gap: 10px; }
.boss-glyph {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  font-size: 28px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--hp);
}
.boss-meta { flex: 1; }
.boss-name { font-weight: 700; }
.boss-hp-row { color: var(--text-dim); font-size: 12px; font-variant-numeric: tabular-nums; }
.boss-hp-bar {
  height: 8px;
  background: rgba(0,0,0,0.4);
  border-radius: 999px;
  margin-top: 8px;
  overflow: hidden;
}
.boss-hp-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--hp), #ff9b6e);
  transition: width 0.15s linear;
}
.dungeon-stats {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-dim);
}
.dungeon-units { list-style: none; padding: 0; margin: 8px 0 0; }
.dungeon-units li {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
}
.dungeon-units li:first-child { border-top: none; }
.dungeon-units .glyph {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  font-size: 18px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 2px solid var(--common);
}
.dungeon-units .dps { color: var(--text-dim); font-size: 11px; font-variant-numeric: tabular-nums; }
.recall-btn {
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
}
.recall-btn:hover { background: #2e3a55; }

/* Controls footer */
#controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 8px;
  background: var(--bg-2);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}
#controls button {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 10px 6px;
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.05s ease, background 0.15s ease, opacity 0.15s ease;
  font-size: 12px;
  min-height: 48px;
}
#controls button:hover:not(:disabled) { background: #2e3a55; }
#controls button:active:not(:disabled) { transform: translateY(1px); }
#controls button:disabled { opacity: 0.45; cursor: not-allowed; }
#controls .btn-label { font-weight: 700; font-size: 12px; }
#controls .btn-cost {
  background: rgba(0,0,0,0.25);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 10px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
#roulette-btn .btn-cost { color: var(--stone); }
#summon-btn.primary {
  background: linear-gradient(180deg, #ffd166, #f49b3a);
  color: #20140a;
  border: none;
}
#summon-btn.primary .btn-cost { background: rgba(0,0,0,0.2); color: #20140a; }
#roulette-btn.secondary {
  background: linear-gradient(180deg, #6bd1ff, #3aa7d6);
  color: #07212e;
  border: none;
}
#legendary-btn.legendary {
  background: linear-gradient(180deg, #c98af5, #8a4fcd);
  color: #1a0a2a;
  border: none;
  font-weight: 800;
}
#legendary-btn.legendary:hover:not(:disabled) { filter: brightness(1.1); }
#legendary-btn.legendary:disabled { filter: grayscale(0.6); }
#legendary-btn .btn-cost { color: var(--stone); background: rgba(0,0,0,0.25); }
.spacer { display: none; }
#wave-btn {
  background: linear-gradient(180deg, #6bd47a, #3aa14b) !important;
  color: #052010 !important;
  border: none !important;
  grid-column: span 2;
}
#wave-btn.running { background: linear-gradient(180deg, #555, #333) !important; color: #aaa !important; }
#speed-btn { background: var(--bg-3); }

/* Log panel */
#log-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 6px 12px;
  max-height: 72px;
  overflow-y: auto;
  font-size: 11px;
  color: var(--text-dim);
}
#log-list { list-style: none; padding: 0; margin: 0; }
#log-list li { padding: 1px 0; }
#log-list li.gold { color: var(--gold); }
#log-list li.stone { color: var(--stone); }
#log-list li.danger { color: var(--hp); }
#log-list li.epic { color: var(--epic); }
#log-list li.legendary { color: var(--legendary); }
#log-list li.mythic { color: var(--mythic); }

/* Responsive */
@media (max-width: 980px) {
  main { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  #app { padding: max(4px, var(--safe-top)) max(4px, var(--safe-right)) max(6px, var(--safe-bottom)) max(4px, var(--safe-left)); gap: 6px; }
  #topbar { padding: 4px 8px; }
  .brand-btn .title { display: none; }
  .stat { padding: 3px 7px; }
  .stat .label { font-size: 8px; }
  .stat span:not(.label):not(.dim) { font-size: 13px; }
  #board-wrap { border-radius: 10px; }
  #log-panel { max-height: 56px; }
  #controls { grid-template-columns: repeat(3, 1fr); }
  #wave-btn { grid-column: span 3; }
  #action-bar button { font-size: 11px; padding: 8px 6px; min-height: 38px; }
  #action-bar .chip { min-width: 18px; height: 16px; font-size: 10px; padding: 0 5px; }
}

/* Touch-friendly hit targets on coarse-pointer devices */
@media (pointer: coarse) {
  #action-bar button { min-height: 44px; }
  #unit-actions button { padding: 12px 12px; font-size: 14px; min-height: 44px; }
  .recall-btn { padding: 10px 14px; min-height: 40px; }
  .artifact-buy { padding: 12px 14px; min-height: 44px; }
  .difficulty-card { padding: 14px 16px; }
  .sheet > header button { padding: 10px 14px; }
}

/* PWA standalone mode tweaks */
@media (display-mode: standalone) {
  html, body { background: #0b1019; }
}