@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;600;700&family=Share+Tech+Mono&display=swap');

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

:root {
  --bg-deep:       #0a0a0f;
  --bg-panel:      #12121a;
  --bg-cell:       #1a1a2e;
  --bg-cell-hover: #252540;
  --bg-revealed:   #0f0f1a;
  --accent:        #00e5ff;
  --accent-dim:    #007a8a;
  --danger:        #ff2d55;
  --gold:          #ffc107;
  --success:       #00e676;
  --text:          #e0e0e0;
  --text-dim:      #666680;
  --border:        #2a2a40;
  --font-ui:       'Chakra Petch', sans-serif;
  --font-mono:     'Share Tech Mono', monospace;
  --vw:            430px;
}

html, body {
  height: 100%;
  background: #000;
  color: var(--text);
  font-family: var(--font-ui);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

#root {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.viewport {
  width: 100%;
  max-width: var(--vw);
  height: 100%;
  max-height: 932px;
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 80px rgba(0, 229, 255, 0.04);
}
@media (max-width: 430px) {
  .viewport { max-height: none; box-shadow: none; }
}

.screen { flex:1; display:flex; flex-direction:column; overflow:hidden; }

.hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.hud-item { text-align: center; }
.hud-label {
  color: var(--text-dim);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}
.hud-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}
.hud-value.accent, .accent { color: var(--accent); }
.hud-value.gold, .gold     { color: var(--gold); }
.hud-value.danger, .danger { color: var(--danger); }
.success { color: var(--success); }

.board-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  overflow: hidden;
}
.board {
  display: grid;
  gap: 2px;
}

.cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-cell);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: background 0.1s, transform 0.08s;
}
.cell:active:not(.revealed) { transform: scale(0.9); }
.cell:not(.revealed):hover  { background: var(--bg-cell-hover); }

.cell.revealed { background: var(--bg-revealed); border-color: transparent; cursor: default; }
.cell.bomb     { background: var(--danger); animation: bomb-flash 0.3s ease; }
.cell.flagged  { background: #1f1a30; border-color: var(--gold); }

.cell.adj-1 { color: var(--accent); }
.cell.adj-2 { color: var(--success); }
.cell.adj-3 { color: var(--danger); }
.cell.adj-4 { color: #7c4dff; }
.cell.adj-5 { color: #ff6d00; }
.cell.adj-6 { color: #00bcd4; }
.cell.adj-7 { color: #e0e0e0; }
.cell.adj-8 { color: #9e9e9e; }

@keyframes bomb-flash {
  0%   { background: #fff; transform: scale(1.15); }
  100% { background: var(--danger); transform: scale(1); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.btn:active { transform: scale(0.95); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #000; }
.btn-danger  { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-gold    { background: var(--gold); color: #000; }
.btn-sm      { padding: 10px 20px; font-size: 14px; }
.w-full      { width: 100%; }

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fade-in 0.2s ease;
}
.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  width: 90%;
  max-width: 340px;
  text-align: center;
}
.modal h2 { font-size: 24px; margin-bottom: 8px; }
.modal p  { color: var(--text-dim); margin-bottom: 16px; font-size: 14px; }
.modal .btn + .btn { margin-top: 12px; }
.modal-stats {
  font-family: var(--font-mono);
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 2;
}
@keyframes fade-in { from { opacity:0 } to { opacity:1 } }

.bottom-nav {
  display: flex;
  justify-content: space-around;
  padding: 8px 0 12px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-ui);
  font-size: 10px;
  cursor: pointer;
  padding: 4px 16px;
}
.nav-btn.active { color: var(--accent); }
.nav-btn svg { width: 22px; height: 22px; }

.auth-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  gap: 16px;
}
.auth-screen h1 { font-size: 32px; color: var(--accent); letter-spacing: 3px; }
.auth-screen h1 span { color: var(--danger); }
.subtitle { color: var(--text-dim); font-size: 14px; }
.auth-form { width: 100%; display: flex; flex-direction: column; gap: 12px; }

.input-field {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-cell);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}
.input-field:focus { border-color: var(--accent); }
.input-field::placeholder { color: var(--text-dim); }

.error-text { color: var(--danger); font-size: 13px; min-height: 18px; }
.link-btn {
  background: none; border: none;
  color: var(--accent); cursor: pointer;
  font-size: 14px; font-family: var(--font-ui);
}

.ranking-list { flex:1; overflow-y:auto; padding:16px; }
.ranking-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}
.ranking-row.me {
  background: rgba(0,229,255,0.08);
  border-radius: 8px;
}
.rank-pos {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  width: 40px;
  text-align: center;
  color: var(--accent);
}
.rank-pos.top-1 { color: #ffd700; }
.rank-pos.top-2 { color: #c0c0c0; }
.rank-pos.top-3 { color: #cd7f32; }
.rank-info { flex: 1; }
.rank-name { font-weight: 600; }
.rank-stats { font-size: 12px; color: var(--text-dim); font-family: var(--font-mono); }

.shop-card {
  background: var(--bg-cell);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.shop-name { font-weight: 700; font-size: 16px; }
.shop-price { color: var(--text-dim); font-size: 13px; margin-top: 2px; }
.shop-note {
  margin-top: 24px;
  padding: 16px;
  background: rgba(255,193,7,0.06);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-dim);
}

.flex-center { display:flex; align-items:center; justify-content:center; }
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }