/* SnakeFi - Retro Nokia meets Neon GameFi */

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

:root {
  --green: #00FF41;
  --green-dim: #00CC33;
  --green-dark: #003300;
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-frame: #0d0d0d;
  --neon-pink: #FF00FF;
  --neon-blue: #00FFFF;
  --gold: #FFD700;
  --red: #FF0040;
  --text: #e0e0e0;
  --text-dim: #666;
  --border: #1a1a1a;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Press Start 2P', monospace;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

#app {
  height: 100%;
  width: 100%;
  position: relative;
}

/* Screens */
.screen {
  position: absolute;
  inset: 0;
  display: none;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.screen.active {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Nokia Frame */
.nokia-frame {
  width: 100%;
  max-width: 480px;
  min-height: 100%;
  padding: 20px;
  border: 1px solid var(--border);
  background: var(--bg-frame);
  position: relative;
}

.nokia-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0.4;
}

.screen-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
}

/* Typography */
.screen-title {
  font-size: 16px;
  color: var(--green);
  text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
  letter-spacing: 2px;
  text-align: center;
}

/* Landing Page */
.landing-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 16px;
  padding: 20px;
  text-align: center;
}

.ascii-art {
  color: var(--green);
  font-size: 8px;
  line-height: 1.2;
  text-shadow: 0 0 15px rgba(0, 255, 65, 0.6);
  white-space: pre;
}

.title-glow {
  font-size: 28px;
  color: var(--green);
  text-shadow:
    0 0 10px rgba(0, 255, 65, 0.8),
    0 0 20px rgba(0, 255, 65, 0.4),
    0 0 40px rgba(0, 255, 65, 0.2);
  letter-spacing: 4px;
}

.tagline {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 3px;
}

.token-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.landing-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 10px 0;
}

.feature {
  font-size: 8px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.feature-icon {
  color: var(--green);
  margin-right: 8px;
}

.version {
  font-size: 7px;
  color: #333;
  margin-top: 10px;
}

/* Early Access Badge */
.early-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--neon-pink);
  color: var(--neon-pink);
  font-size: 8px;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(255, 0, 255, 0.6);
  animation: earlyPulse 2s ease-in-out infinite;
}

.early-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-pink);
  box-shadow: 0 0 8px var(--neon-pink);
  animation: dotBlink 1s ease-in-out infinite;
}

@keyframes earlyPulse {
  0%, 100% { box-shadow: 0 0 5px rgba(255, 0, 255, 0.2); }
  50% { box-shadow: 0 0 15px rgba(255, 0, 255, 0.5); }
}

@keyframes dotBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.early-notice {
  font-size: 7px;
  color: var(--neon-pink);
  text-align: center;
  letter-spacing: 0.5px;
  max-width: 300px;
  line-height: 1.6;
  opacity: 0.8;
}

.early-reminder {
  font-size: 7px;
  color: var(--neon-pink);
  text-align: center;
  letter-spacing: 0.5px;
  padding: 8px 0;
  opacity: 0.7;
}

/* Buttons */
.btn {
  font-family: 'Press Start 2P', monospace;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  padding: 12px 24px;
  font-size: 10px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s;
  text-transform: uppercase;
}

.btn:hover {
  background: var(--green);
  color: var(--bg);
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.4);
}

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

.btn-primary {
  background: var(--green-dark);
  border-color: var(--green);
}

.btn-secondary {
  border-color: var(--text-dim);
  color: var(--text-dim);
}

.btn-secondary:hover {
  background: var(--text-dim);
  color: var(--bg);
}

.btn-large {
  padding: 16px 32px;
  font-size: 12px;
}

.btn-small {
  padding: 8px 16px;
  font-size: 8px;
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 5px rgba(0, 255, 65, 0.3); }
  50% { box-shadow: 0 0 20px rgba(0, 255, 65, 0.6); }
}

/* Login */
.login-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 300px;
}

.input-label {
  font-size: 8px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.retro-input {
  width: 100%;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--green-dim);
  color: var(--green);
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  text-align: center;
  outline: none;
  caret-color: var(--green);
}

.retro-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.retro-input::placeholder {
  color: #333;
}

.shake {
  animation: shake 0.3s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

.hint {
  font-size: 7px;
  color: #333;
}

/* Menu */
.welcome {
  font-size: 8px;
  color: var(--text-dim);
}

.welcome span {
  color: var(--green);
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 340px;
}

.btn-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  font-size: 10px;
}

.menu-icon {
  font-size: 24px;
}

/* Game Screen */
.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 520px;
  padding: 10px;
  gap: 8px;
}

.hud {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 8px 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 0;
  flex-shrink: 1;
}

.hud-label {
  font-size: 6px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.hud-value {
  font-size: 14px;
  color: var(--green);
}

.hud-skin-display .hud-value {
  font-size: 5px;
  color: var(--neon-blue);
  max-width: 80px;
  text-align: center;
  line-height: 1.3;
  word-break: break-word;
  overflow: hidden;
}

.token-color {
  color: var(--gold) !important;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

.canvas-wrapper {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  border: 1px solid var(--green-dim);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-canvas {
  display: block;
}

.game-controls-mobile {
  text-align: center;
}

.control-hint {
  font-size: 7px;
  color: #333;
}

.game-back {
  margin-top: 8px;
  border-color: var(--red);
  color: var(--red);
}

.game-back:hover {
  background: var(--red);
  color: var(--bg);
}

/* Game Over Overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.overlay-content {
  text-align: center;
  padding: 30px;
  border: 1px solid var(--red);
  background: var(--bg);
  max-width: 400px;
  width: 90%;
}

.game-over-title {
  font-size: 24px;
  color: var(--red);
  text-shadow: 0 0 20px rgba(255, 0, 64, 0.6);
  margin-bottom: 20px;
}

.final-stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 9px;
  border-bottom: 1px solid var(--border);
}

.highlight-row {
  background: rgba(255, 215, 0, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.stat-value {
  color: var(--green);
}

.overlay-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Leaderboard */
.leaderboard-header {
  display: grid;
  grid-template-columns: 50px 1fr 80px 90px;
  width: 100%;
  padding: 8px;
  font-size: 7px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}

.leaderboard-list {
  width: 100%;
  max-height: 400px;
  overflow-y: auto;
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 50px 1fr 80px 90px;
  padding: 10px 8px;
  font-size: 8px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.leaderboard-row.highlight {
  background: rgba(0, 255, 65, 0.05);
  border-left: 2px solid var(--green);
}

.rank-gold { color: #FFD700; }
.rank-silver { color: #C0C0C0; }
.rank-bronze { color: #CD7F32; }

.lb-tokens {
  color: var(--gold);
  font-size: 7px;
}

.empty-state {
  text-align: center;
  padding: 30px;
  font-size: 8px;
  color: var(--text-dim);
}

.loading {
  text-align: center;
  padding: 30px;
  font-size: 8px;
  color: var(--green);
  animation: pulse 1s ease-in-out infinite;
}

/* Dashboard / Wallet */
.wallet-card {
  width: 100%;
  max-width: 340px;
  padding: 20px;
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), transparent);
  text-align: center;
}

.wallet-label {
  font-size: 8px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 8px;
}

.wallet-amount {
  font-size: 32px;
  color: var(--gold);
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
  display: block;
}

.wallet-rank {
  margin-top: 10px;
  font-size: 8px;
  color: var(--text-dim);
}

.wallet-rank span {
  color: var(--neon-blue);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 340px;
}

.stat-card {
  padding: 12px 8px;
  border: 1px solid var(--border);
  text-align: center;
}

.stat-label {
  font-size: 6px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 6px;
}

.stat-number {
  font-size: 16px;
  color: var(--green);
}

.token-info {
  width: 100%;
  max-width: 340px;
  padding: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.token-info h3 {
  font-size: 9px;
  color: var(--green);
  margin-bottom: 10px;
}

.token-info ul {
  list-style: none;
}

.token-info li {
  font-size: 7px;
  color: var(--text-dim);
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.token-info li::before {
  content: '> ';
  color: var(--green);
}

/* Skins */
.skins-balance {
  font-size: 8px;
  color: var(--text-dim);
}

.skins-balance span {
  color: var(--gold);
}

.skins-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  width: 100%;
  max-width: 400px;
}

.skin-card {
  border: 1px solid var(--border);
  padding: 12px 8px;
  text-align: center;
  transition: border-color 0.2s;
  overflow: hidden;
  min-width: 0;
}

.skin-card.equipped {
  border-color: var(--green);
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.skin-card.rarity-common { border-top: 2px solid #aaa; }
.skin-card.rarity-uncommon { border-top: 2px solid #00cc00; }
.skin-card.rarity-rare { border-top: 2px solid #0088ff; }
.skin-card.rarity-epic { border-top: 2px solid #aa00ff; }
.skin-card.rarity-legendary { border-top: 2px solid #ff8800; }

.skin-preview {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.skin-snake {
  display: flex;
  gap: 2px;
  align-items: center;
}

.skin-head {
  width: 16px;
  height: 16px;
  border-radius: 2px;
}

.skin-body {
  width: 14px;
  height: 14px;
  border-radius: 2px;
}

.skin-name {
  font-size: 7px;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.skin-rarity {
  font-size: 6px;
  color: var(--text-dim);
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.skin-bonus {
  font-size: 5px;
  color: var(--neon-blue);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
  min-height: 12px;
  line-height: 1.4;
  word-break: break-word;
}

.btn-skin {
  width: 100%;
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  cursor: pointer;
}

.btn-skin:hover:not(:disabled) {
  background: var(--green);
  color: var(--bg);
}

.btn-skin:disabled {
  opacity: 0.5;
  cursor: default;
}

.btn-buy {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-buy:hover:not(.disabled) {
  background: var(--gold);
  color: var(--bg);
}

.btn-buy.disabled {
  opacity: 0.3;
  cursor: default;
}

.btn-equip {
  border-color: var(--neon-blue);
  color: var(--neon-blue);
}

.btn-equip:hover {
  background: var(--neon-blue);
  color: var(--bg);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--green-dim);
}

/* Responsive */
@media (min-width: 600px) {
  .ascii-art {
    font-size: 11px;
  }

  .title-glow {
    font-size: 36px;
  }
}

@media (max-width: 400px) {
  .nokia-frame {
    padding: 12px;
  }

  .menu-grid {
    gap: 8px;
  }

  .btn-menu {
    padding: 14px 8px;
    font-size: 8px;
  }

  .skins-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .leaderboard-header,
  .leaderboard-row {
    grid-template-columns: 40px 1fr 60px 80px;
    font-size: 7px;
  }
}

/* Tutorial / How to Play */
.tutorial-section {
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 400px;
  justify-content: center;
}

.tutorial-device {
  flex: 1;
  padding: 16px 10px;
  border: 1px solid var(--border);
  text-align: center;
}

.tutorial-subtitle {
  font-size: 9px;
  color: var(--neon-blue);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.tutorial-keys {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 12px;
}

.key-row {
  display: flex;
  gap: 4px;
}

.key {
  width: 32px;
  height: 32px;
  border: 1px solid var(--green);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: var(--green-dark);
}

.tutorial-swipe {
  margin-bottom: 12px;
}

.swipe-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 24px;
  color: var(--green);
  animation: swipeAnim 2s ease-in-out infinite;
}

.swipe-hand {
  font-size: 32px;
}

.swipe-arrow {
  opacity: 0.5;
}

@keyframes swipeAnim {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

.tutorial-text {
  font-size: 7px;
  color: var(--text-dim);
  margin-top: 4px;
  line-height: 1.6;
}

.tutorial-rules {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.rule {
  font-size: 7px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

.rule-icon {
  font-size: 12px;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

@media (max-width: 400px) {
  .tutorial-section {
    flex-direction: column;
    gap: 10px;
  }
}

/* Google Login Button */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 300px;
  padding: 14px 20px;
  background: #fff;
  border: 1px solid #ddd;
  color: #333;
  font-size: 9px;
}

.btn-google:hover {
  background: #f0f0f0;
  color: #333;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.google-icon {
  font-size: 16px;
  font-weight: bold;
  background: linear-gradient(135deg, #4285F4, #EA4335, #FBBC05, #34A853);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-divider {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 300px;
  gap: 10px;
  color: #333;
  font-size: 7px;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border);
}

/* Menu Bottom */
.menu-bottom {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.btn-menu-tournament {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-menu-tournament:hover {
  background: var(--gold);
  color: var(--bg);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

/* Share Button */
.btn-share {
  border-color: var(--neon-blue);
  color: var(--neon-blue);
}

.btn-share:hover {
  background: var(--neon-blue);
  color: var(--bg);
}

/* Tournament Screen */
.tournament-card {
  width: 100%;
  max-width: 380px;
  padding: 20px;
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.03), transparent);
  text-align: center;
}

.tournament-name {
  font-size: 12px;
  color: var(--gold);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
  margin-bottom: 8px;
}

.tournament-timer {
  font-size: 10px;
  color: var(--neon-blue);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.tournament-details {
  display: flex;
  justify-content: space-around;
  margin-bottom: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tournament-detail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.detail-label {
  font-size: 6px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.detail-value {
  font-size: 12px;
  color: var(--green);
}

.tournament-prizes {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.prize-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  font-size: 8px;
  color: var(--text-dim);
}

.sub-title {
  font-size: 10px;
  color: var(--green);
  letter-spacing: 1px;
}

/* PWA Install Banner */
.install-banner {
  position: fixed;
  bottom: -60px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-top: 1px solid var(--green);
  font-size: 7px;
  color: var(--text);
  z-index: 300;
  transition: bottom 0.3s ease;
}

.install-banner.show {
  bottom: 0;
}

.btn-dismiss {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  font-family: 'Press Start 2P', monospace;
}

/* Scanline effect (subtle) */
#app::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.03) 0px,
    rgba(0, 0, 0, 0.03) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 1000;
}