/* --- Core Layout --- */
body {
  height: 100vh;
  width: 100vw;
  overflow: hidden; /* No scroll on body */
  margin: 0;
  display: flex;
  flex-direction: column;
}

/* Grid Layout */
.game-layout {
  display: grid;
  grid-template-columns: 1fr 400px; /* Sidebar fixed width: 400px */
  height: 100%;
  position: relative;
  z-index: 1;
}

/* --- TURN INDICATORS (Edge Bars) --- */
.turn-bar {
  position: fixed;
  left: 0;
  right: 0; /* Spans full width, overlays sidebar slightly or sits above */
  height: 6px;
  z-index: 1000;
  background-color: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  pointer-events: none;
}

.turn-bar.top-bar { top: 0; }
.turn-bar.bottom-bar { bottom: 0; }

/* Active States */
.turn-bar.top-bar.active {
  background-color: var(--color-gem-ruby, #e53935);
  box-shadow: 0 0 10px var(--color-gem-ruby, #e53935);
}

.turn-bar.bottom-bar.active {
  background-color: var(--color-gem-jade, #2e7d32);
  box-shadow: 0 0 10px var(--color-gem-jade, #2e7d32);
}

/* --- Area 1: Board Area --- */
.board-area {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--board-light, var(--bg-body));
  padding: 0;
  overflow: hidden;
  /* Removed transition box-shadow to prevent stutter */
}

/* Corner Controls */
.corner-controls {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  display: flex;
  gap: 0.75rem;
  z-index: 20;
}

.control-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.control-btn:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Canvas Container */
.canvas-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

canvas {
  display: block; /* Prevents inline spacing issues */
  border-radius: 4px;
  /* Ensure canvas doesn't implicitly resize */
  max-width: 100%; 
  max-height: 100%;
}

/* --- Area 2: Sidebar --- */
.game-sidebar {
  background: var(--bg-panel);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.5rem; /* Spacious padding */
  gap: 1.25rem;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: -4px 0 15px rgba(0,0,0,0.03);
  min-width: 350px;
}

/* Player Section */
.sidebar-section {
  background: var(--bg-input);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 1rem;
}

.player-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  background: var(--bg-panel);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.player-card.active {
  border-color: var(--primary-color);
  background: var(--bg-input);
  box-shadow: 0 0 0 1px var(--primary-color) inset;
}

.avatar {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.avatar.square { color: var(--color-square, var(--primary-color)); }
.avatar.circle { color: var(--color-circle, var(--accent-color)); }

.p-info { flex: 1; display: flex; justify-content: space-between; align-items: center; }
.p-name { font-weight: 700; font-size: 1rem; color: var(--text-main); }

/* Turn Badge (Replaces simple dot) */
.turn-badge {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 3px 6px;
    border-radius: 4px;
    background: var(--primary-color);
    color: var(--text-contrast);
    letter-spacing: 0.05em;
    opacity: 0;
    transform: translateX(-5px);
    transition: all 0.2s ease;
}

.player-card.active .turn-badge {
    opacity: 1;
    transform: translateX(0);
}

.turn-counter {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border-top: 1px dashed var(--border-color);
  border-bottom: 1px dashed var(--border-color);
  margin: 0.75rem 0;
  padding: 4px 0;
}

/* Log Section */
.log-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 250px;
  padding: 0;
  overflow: hidden;
}

.tab-header {
  display: flex;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-input);
  gap: 1.5rem;
  align-items: center;
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.25rem 0;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}
.tab-btn.active { color: var(--primary-color); }
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

.tab-tools { margin-left: auto; display: flex; gap: 0.5rem; }
.tool-btn { background: none; border: 1px solid transparent; border-radius: 4px; cursor: pointer; color: var(--text-muted); padding: 4px 6px; font-size: 0.9rem; }
.tool-btn:hover { color: var(--primary-color); background: var(--bg-panel); border-color: var(--border-color); }

.log-viewport {
  flex: 1;
  overflow: hidden; /* IMPORTANT: Parent acts as a static frame */
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--bg-panel);
}

.log-content {
  flex: 1;
  overflow-y: auto; /* IMPORTANT: Children handle their own scrolling */
  display: block;   /* Ensures dimensions are respected */
  height: 100%;     /* Fills the parent frame */
  padding-right: 5px; /* Prevent scrollbar covering text */
}

.log-turn {
  margin-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-main);
}
.log-turn:last-child { border-bottom: none; }

/* Chat Input */
.chat-input-row {
  display: flex;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-color);
  gap: 0.75rem;
  background: var(--bg-input);
}
.chat-input-row input {
  flex: 1;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--text-main);
}
.chat-input-row button {
  background: var(--primary-color);
  border: none;
  border-radius: 6px;
  color: var(--text-contrast);
  cursor: pointer;
  padding: 0 16px;
  transition: background 0.2s;
}
.chat-input-row button:hover { background: var(--primary-hover); }

/* --- DROPDOWN STYLING --- */
/* Wrapper for arrow positioning */
.custom-select-container {
    position: relative;
    width: 100%;
}

.custom-select-container::after {
    content: "▼";
    font-size: 0.7rem;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-muted);
}

.custom-select {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 32px 10px 12px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s;
}

.custom-select:hover {
    border-color: var(--primary-color);
}

.custom-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--shadow-color);
}

/* Actions Section */
.actions-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ai-controls-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label-small { 
  font-size: 0.8rem; 
  font-weight: 700; 
  color: var(--text-muted); 
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.action-buttons-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr 1fr; 
    gap: 0.75rem; 
}

.full-width-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

/* --- Settings Drawer (Left Side) --- */
.settings-drawer {
  position: fixed;
  top: 0;
  left: -400px; /* Hidden Left */
  bottom: 0;
  width: 360px;
  background: var(--bg-panel);
  z-index: 950;
  border-right: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}
.settings-drawer.open { left: 0; }

.drawer-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-input);
}
.drawer-header h3 { margin: 0; font-size: 1.25rem; }

.drawer-close-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-panel);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.drawer-close-btn:hover {
  background: var(--bg-input);
  color: var(--primary-color);
}

.drawer-content { padding: 1.5rem; flex: 1; overflow-y: auto; }

.setting-group { margin-bottom: 2rem; }
.setting-group label { display: block; font-size: 0.8rem; font-weight: bold; color: var(--text-muted); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5rem; }
.setting-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; font-size: 0.95rem; color: var(--text-main); }
.setting-row.column-row { flex-direction: column; align-items: flex-start; gap: 0.5rem; }

/* Switch Toggle (Same as before) */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--bg-input); border: 1px solid var(--border-color); border-radius: 24px; transition: .3s; }
.slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 3px; background-color: var(--text-muted); border-radius: 50%; transition: .3s; }
input:checked + .slider { background-color: var(--primary-color); border-color: var(--primary-color); }
input:checked + .slider:before { transform: translateX(20px); background-color: var(--text-contrast); }

/* Modals */
.modal-backdrop, .victory-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000; 
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active, .victory-overlay.active { opacity: 1; pointer-events: auto; }

.modal-card, .victory-card {
  background: var(--bg-panel);
  padding: 2rem;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-backdrop.active .modal-card, .victory-overlay.active .victory-card { transform: translateY(0); }

.modal-icon { font-size: 2.5rem; color: #e53e3e; margin-bottom: 1rem; }
.modal-card h3 { margin: 0 0 0.5rem 0; font-size: 1.5rem; }
.modal-card p { color: var(--text-muted); margin-bottom: 1.5rem; }
.modal-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.victory-icon-container { width: 80px; height: 80px; margin: 0 auto 1.5rem; border-radius: 50%; background: var(--bg-input); display: flex; align-items: center; justify-content: center; border: 2px solid var(--primary-color); }
.victory-icon { font-size: 2.5rem; color: var(--primary-color); }
.victory-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.victory-close { position: absolute; top: 1rem; right: 1rem; background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--text-muted); }

/* Mobile */
@media (max-width: 900px) {
  .game-layout {
      grid-template-columns: 1fr;
      grid-template-rows: 1fr auto; 
  }
  .game-sidebar {
      max-height: 40vh; 
      border-left: none;
      border-top: 1px solid var(--border-color);
      min-width: 0; /* reset */
  }
  .settings-drawer { width: 100%; left: -100%; }
}

/* Notation Colors */
.n-meta { font-weight: bold; color: var(--text-muted); }
.n-coord { color: var(--text-muted); }
.n-sym { color: var(--text-main); font-weight: bold; }
.n-rG, .n-F { color: var(--color-gem-ruby, #e53935); font-weight: 700; }
.n-pG, .n-W { color: var(--color-gem-pearl, #adb5bd); font-weight: 700; }
.n-aG, .n-S { color: var(--color-gem-amber, #fb8c00); font-weight: 700; }
.n-jG, .n-L { color: var(--color-gem-jade, #43a047); font-weight: 700; }
.n-A { color: var(--color-piece-amalgam, #8e24aa); font-weight: 700; }
.n-V { color: var(--color-piece-void, #3949ab); font-weight: 700; }
.n-P { color: var(--color-piece-portal, #00acc1); font-weight: 700; }