/* Modern Retro Billiards CSS */
:root {
  --bg-color: #0c0f12;
  --panel-bg: rgba(20, 27, 34, 0.7);
  --panel-border: rgba(255, 255, 255, 0.08);
  --accent-color: #00ff66;
  --accent-secondary: #ffd700;
  --text-primary: #f0f3f6;
  --text-muted: #8a99ad;
  --felt-green: #0d5f30;
  --felt-border: #4a2f13;
  --cushion-color: #094723;
  
  --shadow-neon: 0 0 15px rgba(0, 255, 102, 0.4);
  --shadow-neon-gold: 0 0 15px rgba(255, 215, 0, 0.4);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Outfit', 'Noto Sans KR', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

#app {
  width: 100%;
  max-width: 1320px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 15px;
  justify-content: space-between;
}

/* Top Unified Navigation Bar Styles */
.top-navbar {
  display: flex;
  flex-direction: column;
  margin-bottom: 15px;
  background: var(--panel-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  gap: 12px;
}

.nav-row {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-info-row {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 10px;
}

.nav-play-row {
  padding-top: 4px;
  gap: 20px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 24px;
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.2));
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.logo-text .accent {
  color: var(--accent-color);
  text-shadow: var(--shadow-neon);
}

.nav-center-hud {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-grow: 1;
  justify-content: center;
  overflow: hidden;
}

.hud-tag {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--panel-border);
  padding: 6px 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  white-space: nowrap;
}

.hud-lbl {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hud-val {
  font-weight: 800;
}

.score-box .hud-val {
  color: var(--accent-secondary);
  text-shadow: var(--shadow-neon-gold);
}

.shots-box .hud-val {
  color: var(--accent-color);
  text-shadow: var(--shadow-neon);
}

.target-desc, .result-desc {
  font-weight: 400;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-right-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.control-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition-smooth);
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-2px);
}

.lang-btn {
  font-size: 12px;
  font-weight: 800;
}


/* Mode Selection */
.mode-select {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mode-btn.active {
  background: linear-gradient(135deg, #0d5f30, #148043);
  color: #fff;
  box-shadow: 0 4px 12px rgba(13, 95, 48, 0.4);
}

/* Table Size Selection */
.size-select {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}

.size-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.size-btn.active {
  background: linear-gradient(135deg, #ffd700, #b8860b);
  color: #000;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
  font-weight: 800;
}


/* Game Interface */
.game-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* Single-column full width layout */
.single-layout {
  display: flex;
  flex-direction: column;
  gap: 15px;
  width: 100%;
}

/* Compact headers and selectors inside Top Navbar */
.mode-select.compact, .size-select.compact {
  padding: 2px;
  border-radius: 10px;
}

.mode-select.compact .mode-btn, .size-select.compact .size-btn {
  padding: 5px 10px;
  font-size: 11px;
  border-radius: 6px;
}



.score-box .hud-value {
  color: var(--accent-secondary);
  text-shadow: var(--shadow-neon-gold);
}

.shots-box .hud-value {
  color: var(--accent-color);
  text-shadow: var(--shadow-neon);
}

.target-desc, .result-desc {
  font-size: 13px;
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Table Canvas Layout */
.canvas-wrapper {
  position: relative;
  background: var(--panel-bg);
  padding: 10px;
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.6);
}

#gameCanvas {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 72vh; /* constrains height to prevent vertical cutoff, maximizing screen space */
  aspect-ratio: 2 / 1;
  border-radius: 12px;
  cursor: crosshair;
  background-color: var(--felt-green);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}


/* Compact Spin Pad Styles */
.spin-selector-compact {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  flex-shrink: 0;
}

.spin-pad-wrapper-compact {
  display: flex;
  align-items: center;
  gap: 10px;
}

.spin-control-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.spin-lbl {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spin-reset-btn-compact {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.spin-reset-btn-compact:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

#spinCanvas {
  border-radius: 50%;
  background: #252830;
  border: 2px solid #3e4452;
  cursor: pointer;
  display: block;
}

/* Compact Play Row Controls */
.control-group-compact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-grow: 1;
}

.control-group-compact label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.angle-group {
  max-width: 25%;
}

.power-group {
  max-width: 40%;
}

/* Custom Sliders */
.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.1);
  outline: none;
  transition: var(--transition-smooth);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-color);
  cursor: pointer;
  box-shadow: var(--shadow-neon);
  transition: var(--transition-smooth);
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.power-bar-wrapper {
  position: relative;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.1);
  overflow: visible;
}

.power-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 5;
}

.power-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #00ff66, #ffcc00, #ff3300);
  pointer-events: none;
  z-index: 2;
  width: 50%;
  transition: width 0.1s linear;
}

/* Shoot Button */
.shoot-btn-compact {
  background: linear-gradient(135deg, #00ff66, #00b347);
  border: none;
  color: #000;
  font-weight: 800;
  font-size: 14px;
  padding: 8px 24px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: var(--shadow-neon);
  transition: var(--transition-smooth);
  height: 38px;
  display: flex;
  justify-content: center;
  align-items: center;
  white-space: nowrap;
}

.shoot-btn-compact:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 255, 102, 0.6);
}

.shoot-btn-compact:active {
  transform: translateY(1px);
}

/* Instructions */
.shortcut-info {
  border-top: 1px solid var(--panel-border);
  padding-top: 12px;
}

.shortcut-info h3 {
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.shortcut-info ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  list-style: none;
}

.shortcut-info li {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

kbd {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 9px;
  font-family: inherit;
  box-shadow: 0 2px 0 rgba(0,0,0,0.3);
}

/* Modals */
.modal {
  display: none; /* Hidden by default */
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(6, 8, 12, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: rgba(20, 26, 35, 0.85);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  width: 90%;
  max-width: 450px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.glass {
  background: linear-gradient(135deg, rgba(20,26,35,0.9), rgba(12,15,22,0.95));
}

.animate-pop {
  animation: modalPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.modal p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 20px;
}

/* Score Record Modal Styling */
.score-display {
  display: flex;
  flex-direction: column;
  background: rgba(0,0,0,0.3);
  padding: 15px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
  margin-bottom: 20px;
}

.score-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.score-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-secondary);
  text-shadow: var(--shadow-neon-gold);
}

.input-group {
  margin-bottom: 25px;
}

.input-group input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 16px;
  font-family: inherit;
  text-align: center;
  outline: none;
  transition: var(--transition-smooth);
}

.input-group input:focus {
  border-color: var(--accent-color);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.2);
}

/* Table Style for Leaderboard */
.rank-list-wrapper {
  max-height: 250px;
  overflow-y: auto;
  margin-bottom: 25px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
  background: rgba(0,0,0,0.2);
}

.rank-table {
  width: 100%;
  border-collapse: collapse;
}

.rank-table th {
  background: rgba(255,255,255,0.03);
  padding: 10px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: sticky;
  top: 0;
  z-index: 2;
}

.rank-table td {
  padding: 10px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.02);
  color: var(--text-primary);
}

.rank-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.rank-table tr.top-rank td {
  color: var(--accent-secondary);
  font-weight: 700;
}

.rank-table tr.self-rank td {
  background: rgba(0, 255, 102, 0.08);
  color: var(--accent-color);
  font-weight: 700;
}

/* Modal Buttons */
.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.modal-btn {
  padding: 10px 24px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  flex: 1;
}

.primary-btn {
  background: linear-gradient(135deg, #0d5f30, #148043);
  color: #fff;
  box-shadow: 0 4px 12px rgba(13, 95, 48, 0.3);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(13, 95, 48, 0.5);
}

.success-btn {
  background: linear-gradient(135deg, #ffd700, #b8860b);
  color: #000;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.success-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 215, 0, 0.5);
}

/* Footer Style */
.app-footer {
  text-align: center;
  padding: 15px 0 5px 0;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.03);
  margin-top: 15px;
}

/* Responsive Customization */
@media (max-width: 900px) {
  .nav-info-row {
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .nav-center-hud {
    order: 3;
    width: 100%;
    margin-top: 10px;
  }
}

@media (max-width: 768px) {
  #app {
    padding: 10px;
  }
  
  .top-navbar {
    padding: 10px;
    gap: 14px;
  }
  
  .nav-info-row {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }
  
  .nav-left {
    justify-content: center;
  }

  .nav-center-hud {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
    gap: 8px;
  }

  .hud-tag {
    justify-content: center;
  }

  .target-desc, .result-desc {
    max-width: 100%;
  }

  .nav-right-controls {
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    gap: 8px;
  }
  
  .nav-play-row {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  
  .spin-selector-compact {
    justify-content: center;
  }
  
  .angle-group, .power-group {
    max-width: 100%;
    width: 100%;
  }
  
  .shoot-btn-compact {
    width: 100%;
  }
}