/* ═══════════════════════════════════════
   5 EN RAYA — Classic Style
   ═══════════════════════════════════════ */

:root {
  --bg:        #f5f0e8;
  --surface:   #fffef9;
  --panel:     #fffef9;
  --border:    #8b7355;
  --accent:    #2c5f2d;
  --accent2:   #97bc62;
  --gold:      #c9a84c;
  --text:      #3a3a3a;
  --text-dim:  #7a7a7a;
  --white:     #ffffff;
  --font-main: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Georgia', 'Times New Roman', serif;
}

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

html, body {
  width: 100%; height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── SCREENS ── */
#app { width: 100%; height: 100%; position: relative; }

.screen {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
  overflow: hidden;
}
.screen.active { opacity: 1; pointer-events: all; }

/* ── BACKGROUND ── */
.bg-grid {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #f5f0e8 0%, #e8e0d0 100%);
}

.scanlines { display: none; }

/* ── MENU CONTAINER ── */
.menu-container {
  position: relative; z-index: 10;
  width: min(480px, 92vw);
  display: flex; flex-direction: column;
  align-items: center; gap: 28px;
  padding: 30px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.menu-container.wide { width: min(700px, 95vw); }

/* ── LOGO ── */
.logo-block { text-align: center; }

.logo-pre {
  font-family: var(--font-main);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.logo-title {
  font-family: var(--font-main);
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  line-height: 1;
}
.logo-pro {
  color: var(--accent);
  font-size: 0.5em;
  vertical-align: super;
}

.logo-sub {
  font-family: var(--font-main);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-top: 6px;
  font-style: italic;
}

/* ── MAIN NAV ── */
.main-nav { display: flex; flex-direction: column; gap: 10px; width: 100%; }

.nav-btn {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 12px 28px;
  background: var(--accent);
  border: 2px solid var(--accent);
  color: var(--white);
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 4px;
}
.nav-btn:hover {
  background: #1e4420;
  border-color: #1e4420;
}

.nav-btn.secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.nav-btn.secondary:hover {
  background: var(--border);
  color: var(--white);
}

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; width: 100%; }

.menu-footer {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-style: italic;
}

/* ── SECTION TITLE ── */
.section-title {
  font-family: var(--font-main);
  font-size: clamp(1.1rem, 3.5vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-align: center;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  width: 100%;
}

/* ── MODE CARDS ── */
.mode-cards { display: flex; gap: 14px; width: 100%; flex-wrap: wrap; justify-content: center; }

.mode-card {
  flex: 1; min-width: 180px;
  background: var(--panel);
  border: 2px solid var(--border);
  padding: 20px 18px;
  cursor: pointer; text-align: center;
  transition: all 0.2s ease;
  border-radius: 6px;
}
.mode-card:hover, .mode-card.selected {
  border-color: var(--accent);
  background: #f0f7f0;
  box-shadow: 0 2px 10px rgba(44,95,45,0.15);
}
.mode-icon {
  font-size: 2.2rem; margin-bottom: 8px;
}
.mode-name {
  font-family: var(--font-main); font-size: 0.8rem;
  letter-spacing: 0.08em; color: var(--accent); margin-bottom: 6px;
  font-weight: 700;
}
.mode-desc { font-size: 0.85rem; color: var(--text-dim); line-height: 1.4; }

/* ── DIFFICULTY ── */
.difficulty-selector {
  margin-top: 12px; display: flex; align-items: center;
  gap: 6px; justify-content: center; flex-wrap: wrap;
}
.difficulty-selector span {
  font-size: 0.7rem; letter-spacing: 0.08em; color: var(--text-dim);
  font-family: var(--font-main);
  font-weight: 700;
}
.diff-btn {
  font-family: var(--font-main); font-size: 0.7rem;
  padding: 4px 10px; background: transparent;
  border: 1px solid var(--border); color: var(--text-dim);
  cursor: pointer; letter-spacing: 0.05em;
  transition: all 0.2s;
  border-radius: 3px;
}
.diff-btn.active { border-color: var(--accent); color: var(--accent); background: #f0f7f0; }
.diff-btn:hover:not(.active) { border-color: var(--text); color: var(--text); }

/* ── NAME INPUTS ── */
.name-inputs { display: flex; gap: 14px; width: 100%; flex-wrap: wrap; }
.input-group { flex: 1; min-width: 160px; display: flex; flex-direction: column; gap: 4px; }
.input-group label {
  font-family: var(--font-main); font-size: 0.7rem;
  letter-spacing: 0.1em; color: var(--text-dim);
  font-weight: 700;
}
.input-group input {
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
  padding: 8px 12px; outline: none;
  transition: border-color 0.2s;
  border-radius: 4px;
}
.input-group input:focus { border-color: var(--accent); }
.input-group input::placeholder { color: var(--text-dim); }

/* ── GAME LAYOUT ── */
.game-layout {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center;
  padding: 0;
  background: linear-gradient(180deg, #f5f0e8 0%, #e8e0d0 100%);
}

.game-header {
  width: 100%; display: flex;
  align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.turn-display {
  display: flex; align-items: center; gap: 10px;
}
.turn-stone { font-size: 1.4rem; }
.turn-name {
  font-family: var(--font-main); font-size: 0.9rem;
  color: var(--text); letter-spacing: 0.03em;
  font-weight: 700;
}
.turn-label {
  font-size: 0.65rem; letter-spacing: 0.1em;
  color: var(--accent); font-family: var(--font-main);
  font-weight: 700;
}

.icon-btn {
  background: transparent; border: 2px solid var(--border);
  color: var(--text); font-size: 1.1rem; cursor: pointer;
  width: 36px; height: 36px; display: flex;
  align-items: center; justify-content: center;
  transition: all 0.2s;
  border-radius: 4px;
  font-family: var(--font-main);
  font-weight: 700;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn.muted { opacity: 0.4; text-decoration: line-through; }

.canvas-wrapper {
  position: relative; flex: 1;
  display: flex; align-items: center; justify-content: center;
  min-height: 0;
  padding: 16px;
}

#game-canvas {
  display: block;
  cursor: crosshair;
  border: 3px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  width: 100%;
  max-width: 500px;
  height: auto;
  aspect-ratio: 1;
}

.thinking-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
}
.thinking-overlay.hidden { display: none; }

.game-footer {
  width: 100%; display: flex;
  align-items: center; justify-content: space-between;
  padding: 8px 16px;
  background: var(--panel);
  border-top: 2px solid var(--border);
  flex-shrink: 0;
  box-shadow: 0 -2px 6px rgba(0,0,0,0.1);
}
.player-info { display: flex; align-items: center; gap: 8px; }
.pstone { font-size: 1.2rem; }
.pname {
  font-family: var(--font-main); font-size: 0.8rem;
  letter-spacing: 0.03em;
  font-weight: 700;
}
.player-info.active .pname { color: var(--accent); }
.player-info.thinking-active { position: relative; }
.player-info.thinking-active .thinking-label {
  display: block;
}
.player-info .thinking-label.hidden { display: none; }
.player-info .thinking-label {
  display: none;
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-main);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  white-space: nowrap;
}
.player-info .thinking-label .dots { animation: dotPulse 1.2s infinite; }

@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.move-counter {
  display: flex; flex-direction: column; align-items: center;
  font-family: var(--font-main); font-size: 0.7rem;
  letter-spacing: 0.08em; color: var(--text-dim);
  font-weight: 700;
}

/* ── INSTRUCTIONS ── */
.instructions-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px; width: 100%;
}
.inst-card {
  background: var(--panel); border: 2px solid var(--border);
  padding: 18px; text-align: center;
  border-radius: 6px;
}
.inst-icon { font-size: 2rem; margin-bottom: 8px; color: var(--accent); }
.inst-card h3 {
  font-family: var(--font-main); font-size: 0.85rem;
  letter-spacing: 0.08em; color: var(--accent); margin-bottom: 8px;
  font-weight: 700;
}
.inst-card p { font-size: 0.9rem; color: var(--text); line-height: 1.5; }

/* ── RANKING ── */
.ranking-list { width: 100%; max-height: 55vh; overflow-y: auto; }
.ranking-item {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.ranking-item:hover { background: #f0f7f0; }
.rank-pos {
  font-family: var(--font-main); font-size: 0.9rem;
  color: var(--text-dim); width: 28px; text-align: center;
  font-weight: 700;
}
.rank-pos.gold { color: var(--gold); }
.rank-pos.silver { color: #a0a0a0; }
.rank-pos.bronze { color: #cd7f32; }
.rank-name { flex: 1; font-size: 0.95rem; font-weight: 600; }
.rank-wins {
  font-family: var(--font-main); font-size: 0.8rem;
  color: var(--accent); letter-spacing: 0.05em;
  font-weight: 700;
}
.rank-detail { font-size: 0.75rem; color: var(--text-dim); }
.ranking-empty {
  text-align: center; color: var(--text-dim);
  font-size: 0.9rem; padding: 40px; letter-spacing: 0.1em;
}

/* ── VICTORY ── */
.victory-container {
  position: relative; z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; gap: 18px; text-align: center;
  padding: 30px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.victory-particles {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.particle {
  position: absolute; width: 6px; height: 6px; border-radius: 50%;
  animation: particleFly 2s ease-out forwards;
}
@keyframes particleFly {
  0% { opacity: 1; transform: translate(0,0) scale(1); }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0); }
}

.trophy {
  font-size: 4.5rem;
  animation: trophyPulse 2s ease-in-out infinite;
}
@keyframes trophyPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.victory-label {
  font-family: var(--font-main); font-size: 1rem;
  letter-spacing: 0.2em; color: var(--accent);
  font-weight: 700;
}
.winner-name {
  font-family: var(--font-main); font-size: clamp(1.8rem, 7vw, 2.5rem);
  font-weight: 700; color: var(--text);
}
.victory-stats {
  font-size: 0.9rem; color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ── PAUSE MENU ── */
#pause-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
#pause-overlay.hidden { display: none; }

.pause-container {
  position: relative; z-index: 10;
  background: var(--surface);
  border: 3px solid var(--accent);
  border-radius: 12px;
  padding: 40px 50px;
  display: flex; flex-direction: column;
  align-items: center; gap: 24px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  animation: pauseSlide 0.25s ease-out;
}
@keyframes pauseSlide {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.pause-title {
  font-family: var(--font-main);
  font-size: 2rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
}

.pause-options {
  display: flex; flex-direction: column;
  gap: 12px; width: 100%;
  min-width: 220px;
}

.pause-btn {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 24px;
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--text);
  transition: all 0.2s ease;
  text-align: left;
}
.pause-btn:hover {
  border-color: var(--accent);
  background: #f0f7f0;
  color: var(--accent);
  transform: translateX(4px);
}

.pause-icon {
  font-size: 1.4rem;
  width: 28px; text-align: center;
}

.pause-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-top: 8px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── RESPONSIVENESS ── */
@media (max-width: 480px) {
  .mode-cards { flex-direction: column; }
  .name-inputs { flex-direction: column; }
  .menu-container { padding: 20px; gap: 20px; }
}