/* ─── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  --bg-dark: #0a0c10;
  --bg-card: #111520;
  --bg-card-2: #161c2d;
  --bg-card-3: #1c2236;
  --accent: #00e5ff;
  --accent-glow: rgba(0, 229, 255, 0.22);
  --accent2: #7c3aed;
  --active-glow: rgba(0, 229, 255, 0.12);
  --text-primary: #f0f4ff;
  --text-secondary: #7c8db0;
  --text-muted: #3d4a6b;
  --success: #10d98e;
  --danger: #ff4d6d;
  --danger-glow: rgba(255, 77, 109, 0.2);
  --warning: #ffb347;
  --border: rgba(0, 229, 255, 0.1);
  --border-hover: rgba(0, 229, 255, 0.3);
  --radius: 14px;
  --radius-sm: 9px;
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', monospace;
}

/* ─── Reset & Base ─────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

input,
button,
select {
  font-family: inherit;
}

button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 2px;
}

/* ─── Ambient Background ────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 10%, rgba(124, 58, 237, 0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 85%, rgba(0, 229, 255, 0.05) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Screen System ─────────────────────────────────────────────────────── */
.screen {
  display: none;
  min-height: 100vh;
  position: relative;
  z-index: 1;
  animation: fadeIn 0.18s ease;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: filter 0.12s, transform 0.1s, box-shadow 0.12s;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  color: #000;
  box-shadow: 0 0 18px var(--accent-glow);
}

.btn-primary:hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: scale(0.97);
  filter: brightness(0.95);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--border-hover);
}

.btn-secondary:hover {
  background: var(--active-glow);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

.btn-icon {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
  flex-shrink: 0;
}

.btn-icon:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--active-glow);
}

.btn-icon:disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ─── Home Screen ────────────────────────────────────────────────────────── */
#screen-home {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}

.home-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 52px;
}

.home-logo {
  font-size: 5rem;
  animation: logoFloat 3s ease-in-out infinite;
  filter: drop-shadow(0 0 24px var(--accent));
}

@keyframes logoFloat {

  0%,
  100% {
    transform: translateY(0) rotate(-3deg)
  }

  50% {
    transform: translateY(-10px) rotate(3deg)
  }
}

.home-title {
  font-size: clamp(2.2rem, 7vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px var(--accent-glow));
}

.home-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.home-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 280px;
}

#btn-new {
  font-size: 1.1rem;
  padding: 18px;
}

#btn-resume {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--text-muted);
  font-size: 0.95rem;
  display: none;
}

#btn-resume:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Setup Screen ──────────────────────────────────────────────────────── */
#screen-setup {
  max-width: 520px;
  margin: 0 auto;
  width: 100%;
}

.setup-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 20px 0;
  margin-bottom: 20px;
}

.setup-header h2 {
  font-size: 1.35rem;
  font-weight: 800;
}

.setup-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 0 20px 40px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-select,
.player-name-input {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 1rem;
  outline: none;
  width: 100%;
  transition: border-color 0.12s, box-shadow 0.12s;
}

.form-select:focus,
.player-name-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-select option {
  background: var(--bg-card);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.12s;
}

.checkbox-row:has(input:checked) {
  border-color: var(--accent);
  background: rgba(0, 229, 255, 0.04);
}

.checkbox-row input[type=checkbox] {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
}

.checkbox-label {
  font-size: 0.95rem;
}

.checkbox-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-left: auto;
}

.player-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.player-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.player-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.player-name-input {
  flex: 1;
}

.btn-remove-player {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.12s, border-color 0.12s;
  flex-shrink: 0;
}

.btn-remove-player:hover {
  color: var(--danger);
  border-color: var(--danger);
}

#btn-add-player {
  align-self: flex-start;
  background: transparent;
  border: 1.5px dashed var(--border);
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: all 0.12s;
}

#btn-add-player:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

#btn-add-player:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.setup-start-btn {
  align-self: stretch;
  font-size: 1.05rem;
  padding: 16px;
  margin-top: 6px;
}

/* ─── Game Header ────────────────────────────────────────────────────────── */
.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 20;
  gap: 10px;
  flex-shrink: 0;
}

.game-header-center {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  justify-content: center;
}

.game-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.last-turn-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(16, 217, 142, 0.15);
  color: var(--success);
  font-family: var(--font-mono);
  border: 1px solid rgba(16, 217, 142, 0.3);
}

.last-turn-pill.bust {
  background: var(--danger-glow);
  color: var(--danger);
  border-color: rgba(255, 77, 109, 0.3);
}

/* ─── X01 Scoreboard ─────────────────────────────────────────────────────── */
.x01-scoreboard {
  display: flex;
  gap: 8px;
  padding: 12px 12px 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  flex-shrink: 0;
}

.player-card {
  flex: 1;
  min-width: 100px;
  max-width: 200px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 10px;
  text-align: center;
  position: relative;
  transition: all 0.2s;
}

.player-card.active {
  border-color: var(--accent);
  background: var(--bg-card-2);
  box-shadow: 0 0 20px var(--accent-glow), inset 0 0 20px rgba(0, 229, 255, 0.04);
}

.player-card.winner {
  border-color: var(--warning);
  box-shadow: 0 0 20px rgba(255, 179, 71, 0.25);
}

.player-card-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.player-card.active .player-card-name {
  color: var(--accent);
}

.player-card-score {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 900;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  letter-spacing: -0.05em;
}

.player-card.active .player-card-score {
  color: var(--accent);
  text-shadow: 0 0 24px var(--accent);
}

.player-card-last {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--font-mono);
}

.player-card-last.busted {
  color: var(--danger);
}

.active-pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin: 6px auto 0;
  box-shadow: 0 0 8px var(--accent);
  animation: pipPulse 1.2s ease-in-out infinite;
}

@keyframes pipPulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1)
  }

  50% {
    opacity: 0.4;
    transform: scale(0.7)
  }
}

/* ─── Turn Tracker ───────────────────────────────────────────────────────── */
.turn-tracker {
  padding: 8px 12px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.turn-tracker-name {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 6px;
}

.turn-darts-row {
  display: flex;
  gap: 6px;
  margin-bottom: 5px;
}

.turn-dart {
  flex: 1;
  padding: 7px 4px;
  border-radius: 8px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-mono);
  border: 1.5px solid var(--border);
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.turn-dart.filled {
  background: var(--bg-card-2);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.turn-dart.empty {
  background: transparent;
  color: var(--text-muted);
  border-style: dashed;
}

.turn-dart.dart-bust {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-glow);
}

.turn-preview {
  font-size: 0.78rem;
  color: var(--success);
  font-family: var(--font-mono);
  font-weight: 600;
  text-align: center;
}

.turn-preview.preview-bust {
  color: var(--danger);
  font-weight: 800;
}

.turn-preview-placeholder {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* ═══ DART PAD ═══════════════════════════════════════════════════════════════ */
.dart-pad {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 10px 12px;
  min-height: 0;
}

/* Modifier row */
.modifier-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.modifier-group {
  display: flex;
  gap: 4px;
  flex: 1;
}

.mod-btn {
  flex: 1;
  padding: 12px 4px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all 0.12s;
}

.mod-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.mod-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  box-shadow: 0 0 14px var(--accent-glow);
}

.mod-btn:active {
  transform: scale(0.96);
}

.special-group {
  display: flex;
  gap: 4px;
}

.spec-btn {
  padding: 12px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  min-width: 52px;
  transition: all 0.12s;
}

.spec-btn:hover {
  border-color: var(--warning);
  color: var(--warning);
}

.spec-btn:active {
  transform: scale(0.95);
}

.bull-btn:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}

/* Number grid 4×5 */
.number-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  flex: 1;
}

.num-btn {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: clamp(1.1rem, 3.5vw, 1.5rem);
  font-weight: 800;
  font-family: var(--font-mono);
  transition: all 0.1s;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.num-btn:hover {
  background: var(--bg-card-3);
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.06);
}

.num-btn:active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  transform: scale(0.92);
  box-shadow: 0 0 14px var(--accent-glow);
}

/* End turn button */
.btn-end-turn {
  width: 100%;
  padding: 15px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  border: none;
  color: #000;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: filter 0.12s, transform 0.1s;
  box-shadow: 0 0 18px var(--accent-glow);
  flex-shrink: 0;
}

.btn-end-turn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-end-turn:active {
  transform: scale(0.98);
}

.btn-end-turn.disabled,
.btn-end-turn:disabled {
  background: var(--bg-card);
  color: var(--text-muted);
  box-shadow: none;
  border: 1.5px solid var(--border);
  cursor: not-allowed;
  filter: none;
  transform: none;
}

/* ─── Cricket Layout ─────────────────────────────────────────────────────── */
.cricket-layout {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: auto;
}

.cricket-scoreboard {
  padding: 10px 10px 0;
  overflow-x: auto;
}

.cricket-header-row,
.cricket-player-row {
  display: grid;
  grid-template-columns: 90px repeat(7, 1fr) 50px;
  gap: 2px;
  align-items: center;
}

.cricket-header-row {
  padding: 5px 4px;
  margin-bottom: 4px;
}

.cricket-target-col,
.cricket-pts-col {
  text-align: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.cricket-name-col {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 4px;
}

.cricket-player-row {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 4px;
  margin-bottom: 5px;
  transition: all 0.15s;
}

.cricket-player-row.active {
  border-color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
}

.cricket-player-row.active .cricket-name-col {
  color: var(--accent);
}

.cricket-player-row.winner-row {
  border-color: var(--warning);
}

.cricket-mark-cell {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.cricket-pts-col {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.mark {
  display: inline-block;
}

.mark-0 {
  color: var(--text-muted);
  font-size: 0.6rem;
}

.mark-1 {
  color: var(--warning);
}

.mark-2 {
  color: var(--warning);
}

.mark-3 {
  color: var(--success);
}

.cricket-entry {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.current-turn-label {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.turn-label-name {
  font-size: 1.1rem;
  font-weight: 800;
}

.turn-label-sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.cricket-pending {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  align-items: center;
  padding: 7px 10px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  min-height: 38px;
}

.no-hits {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.hit-tag {
  background: var(--accent2);
  color: white;
  padding: 2px 9px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.cricket-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.cricket-target-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 4px;
  align-items: center;
}

.target-label {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.target-mult-btns {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
}

.hit-btn {
  background: var(--bg-card-2);
  border: 1.5px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 8px 0;
  font-size: 0.75rem;
  font-weight: 700;
  width: 100%;
  transition: all 0.1s;
  font-family: var(--font-mono);
}

.hit-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--active-glow);
}

.hit-btn:active {
  transform: scale(0.93);
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.cricket-entry-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ─── Win Banner ─────────────────────────────────────────────────────────── */
.win-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 24px 20px;
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.07) 0%, rgba(124, 58, 237, 0.07) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  animation: winDrop 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes winDrop {
  from {
    opacity: 0;
    transform: scale(0.8)
  }

  to {
    opacity: 1;
    transform: scale(1)
  }
}

.win-trophy {
  font-size: 3.5rem;
  animation: trophySpin 0.5s ease 0.15s both;
}

@keyframes trophySpin {
  from {
    transform: rotate(-25deg)scale(0.5);
    opacity: 0
  }

  to {
    transform: none;
    opacity: 1
  }
}

.win-name {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--warning), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.win-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.new-game-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 18px 14px;
  flex-wrap: wrap;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 400px) {
  .number-grid {
    gap: 3px;
  }

  .mod-btn {
    font-size: 0.65rem;
    padding: 11px 2px;
  }

  .spec-btn {
    min-width: 44px;
    font-size: 0.62rem;
    padding: 11px 6px;
  }

  .cricket-buttons {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-height: 700px) {
  .num-btn {
    font-size: 1.4rem;
  }
}

@media (min-width: 600px) {
  .cricket-buttons {
    grid-template-columns: repeat(7, 1fr);
  }

  .cricket-target-group {
    flex-direction: row;
    padding: 6px 8px;
  }

  .target-mult-btns {
    flex-direction: row;
  }

  .dart-pad {
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
  }

  .number-grid {
    max-width: 520px;
  }

  #screen-game {
    max-width: 680px;
    margin: 0 auto;
  }
}