/* ==========================================================================
   Tower of Hanoi - Premium Logic Puzzle Game Styles (Thai Edition)
   The One Academy TH - Interactive Learning Platform
   ========================================================================== */

/* Theme Variables */
:root, [data-hanoi-theme="cosmic"] {
  --hanoi-bg: #0b0a1d;
  --hanoi-card-bg: rgba(21, 19, 45, 0.88);
  --hanoi-card-border: rgba(139, 92, 246, 0.25);
  --hanoi-text: #f1f5f9;
  --hanoi-text-muted: #94a3b8;
  --hanoi-accent: #8b5cf6;
  --hanoi-accent-glow: rgba(139, 92, 246, 0.4);
  --hanoi-gold: #f59e0b;
  --hanoi-peg: linear-gradient(180deg, #64748b 0%, #334155 100%);
  --hanoi-peg-base: linear-gradient(180deg, #475569 0%, #1e293b 100%);
  --hanoi-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  --hanoi-toast-bg: rgba(15, 23, 42, 0.95);
  --hanoi-header-bg: rgba(11, 10, 29, 0.95);
}

[data-hanoi-theme="minimal"] {
  --hanoi-bg: #f8fafc;
  --hanoi-card-bg: #ffffff;
  --hanoi-card-border: #e2e8f0;
  --hanoi-text: #0f172a;
  --hanoi-text-muted: #64748b;
  --hanoi-accent: #4f46e5;
  --hanoi-accent-glow: rgba(79, 70, 229, 0.25);
  --hanoi-gold: #d97706;
  --hanoi-peg: linear-gradient(180deg, #94a3b8 0%, #64748b 100%);
  --hanoi-peg-base: linear-gradient(180deg, #cbd5e1 0%, #94a3b8 100%);
  --hanoi-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --hanoi-toast-bg: rgba(255, 255, 255, 0.98);
  --hanoi-header-bg: rgba(248, 250, 252, 0.95);
}

[data-hanoi-theme="neon"] {
  --hanoi-bg: #05050a;
  --hanoi-card-bg: rgba(13, 13, 24, 0.92);
  --hanoi-card-border: rgba(6, 182, 212, 0.35);
  --hanoi-text: #ffffff;
  --hanoi-text-muted: #67e8f9;
  --hanoi-accent: #06b6d4;
  --hanoi-accent-glow: rgba(6, 182, 212, 0.5);
  --hanoi-gold: #facc15;
  --hanoi-peg: linear-gradient(180deg, #06b6d4 0%, #0284c7 100%);
  --hanoi-peg-base: linear-gradient(180deg, #0891b2 0%, #0369a1 100%);
  --hanoi-shadow: 0 0 30px rgba(6, 182, 212, 0.2);
  --hanoi-toast-bg: rgba(6, 182, 212, 0.15);
  --hanoi-header-bg: rgba(5, 5, 10, 0.95);
}

/* Page Setup */
body.hanoi-game-page {
  background-color: var(--hanoi-bg);
  color: var(--hanoi-text);
  font-family: 'Kanit', -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

/* Main Container */
.hanoi-container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px;
  box-sizing: border-box;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Game Title & Header Bar */
.hanoi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 20px;
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 20px;
  box-shadow: var(--hanoi-shadow);
  backdrop-filter: blur(12px);
}

.hanoi-brand h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--hanoi-text) 30%, var(--hanoi-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hanoi-brand .subtitle {
  font-size: 0.85rem;
  color: var(--hanoi-text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.hanoi-top-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* Status Bar */
.hanoi-status-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 12px;
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 16px;
  box-shadow: var(--hanoi-shadow);
}

.status-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.status-label {
  font-size: 0.75rem;
  color: var(--hanoi-text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.status-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--hanoi-text);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.status-box.highlight .status-value {
  color: var(--hanoi-gold);
}

/* Time Attack Countdown Warning */
.status-box.timer-warning {
  border-color: #ef4444;
  animation: pulseWarning 1.2s infinite ease-in-out;
}

.status-box.timer-warning .status-value {
  color: #ef4444;
}

@keyframes pulseWarning {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 rgba(239, 68, 68, 0); }
  50% { transform: scale(1.03); box-shadow: 0 0 14px rgba(239, 68, 68, 0.4); }
}

/* Control & Mode Selector Bar */
.hanoi-controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}

.segmented-control {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: 14px;
  border: 1px solid var(--hanoi-card-border);
  gap: 2px;
  overflow-x: auto;
  max-width: 100%;
}

.seg-btn {
  background: transparent;
  border: none;
  color: var(--hanoi-text-muted);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  font-family: inherit;
}

.seg-btn:hover {
  color: var(--hanoi-text);
  background: rgba(255, 255, 255, 0.06);
}

.seg-btn.active {
  background: var(--hanoi-accent);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--hanoi-accent-glow);
}

/* Player Setup Card (Shared Architecture) */
.hanoi-player-setup {
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 20px;
  padding: 14px 18px;
  box-shadow: var(--hanoi-shadow);
  margin-bottom: 6px;
  transition: all 0.3s ease;
}

.hanoi-player-setup .player-panel {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.hanoi-player-setup .avatar-button {
  width: 54px;
  height: 54px;
  min-width: 54px;
  border-radius: 50%;
  border: 2px solid var(--hanoi-accent);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  overflow: hidden;
  flex-shrink: 0;
}

.hanoi-player-setup .avatar-button:hover {
  transform: scale(1.06);
  border-color: var(--hanoi-gold);
}

.hanoi-player-setup .avatar-button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.hanoi-player-setup .player-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
}

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

.hanoi-player-setup .name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.hanoi-player-setup input[type="text"] {
  flex: 1 1 auto;
  min-width: 0;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 12px;
  padding: 8px 12px;
  color: var(--hanoi-text);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  outline: none;
  transition: border-color 0.2s ease;
}

.hanoi-player-setup input[type="text"]:focus {
  border-color: var(--hanoi-accent);
}

.hanoi-player-setup input[type="text"].toa-member-name-locked {
  background: rgba(109, 93, 252, 0.12);
  border-color: rgba(109, 93, 252, 0.4);
  color: var(--hanoi-text);
  cursor: not-allowed;
}

.hanoi-player-setup small {
  font-size: 0.73rem;
  color: var(--hanoi-text-muted);
}

/* Disk Count Selector Cards */
.disk-selector-grid {

  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  width: 100%;
}

.disk-card {
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 14px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--hanoi-text);
  font-family: inherit;
}

.disk-card:hover {
  transform: translateY(-2px);
  border-color: var(--hanoi-accent);
}

.disk-card.active {
  border-color: var(--hanoi-accent);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
  box-shadow: 0 0 16px var(--hanoi-accent-glow);
}

.disk-card .num {
  font-size: 1.2rem;
  font-weight: 800;
}

.disk-card .label {
  font-size: 0.7rem;
  color: var(--hanoi-text-muted);
  font-weight: 500;
}

.disk-card .min-moves {
  font-size: 0.65rem;
  color: var(--hanoi-gold);
  margin-top: 2px;
  font-weight: 600;
}

/* Game Play Area & Pegs Board */
.hanoi-board-card {
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 24px;
  padding: 24px 16px 40px 16px; /* Generous bottom padding so labels are never cropped */
  box-shadow: var(--hanoi-shadow);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 350px;
  justify-content: flex-end;
  overflow: visible;
  transition: min-height 0.3s ease;
}

.hanoi-pegs-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  height: 270px;
  position: relative;
  width: 100%;
  transition: height 0.3s ease;
}

/* Individual Peg Column */
.hanoi-peg-col {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  cursor: pointer;
  border-radius: 16px;
  transition: background 0.2s ease;
  padding-bottom: 32px; /* Extra room above bottom label */
}

.hanoi-peg-col:hover, .hanoi-peg-col.drag-over {
  background: rgba(255, 255, 255, 0.04);
}

.hanoi-peg-col.hint-source {
  animation: pulseHintSource 1s infinite alternate;
}

.hanoi-peg-col.hint-target {
  animation: pulseHintTarget 1s infinite alternate;
}

@keyframes pulseHintSource {
  from { background: rgba(245, 158, 11, 0.05); }
  to { background: rgba(245, 158, 11, 0.25); }
}

@keyframes pulseHintTarget {
  from { background: rgba(16, 185, 129, 0.05); }
  to { background: rgba(16, 185, 129, 0.25); }
}

/* Peg Pole, Base & Label (Spacing Fix) */
.peg-pole {
  position: absolute;
  bottom: 28px;
  width: 14px;
  height: 220px;
  background: var(--hanoi-peg);
  border-radius: 8px 8px 0 0;
  box-shadow: inset 2px 0 4px rgba(255, 255, 255, 0.2), 0 4px 10px rgba(0, 0, 0, 0.3);
  z-index: 1;
  transition: height 0.3s ease;
}

/* Dynamic Peg & Board Heights by Selected Disk Count (Desktop) */
.hanoi-board-card[data-disks="3"] { min-height: 350px; }
.hanoi-board-card[data-disks="3"] .hanoi-pegs-container { height: 270px; }
.hanoi-board-card[data-disks="3"] .peg-pole { height: 220px; }

.hanoi-board-card[data-disks="4"] { min-height: 375px; }
.hanoi-board-card[data-disks="4"] .hanoi-pegs-container { height: 295px; }
.hanoi-board-card[data-disks="4"] .peg-pole { height: 245px; }

.hanoi-board-card[data-disks="5"] { min-height: 405px; }
.hanoi-board-card[data-disks="5"] .hanoi-pegs-container { height: 325px; }
.hanoi-board-card[data-disks="5"] .peg-pole { height: 275px; }

.hanoi-board-card[data-disks="6"] { min-height: 435px; }
.hanoi-board-card[data-disks="6"] .hanoi-pegs-container { height: 355px; }
.hanoi-board-card[data-disks="6"] .peg-pole { height: 305px; }

.hanoi-board-card[data-disks="7"] { min-height: 470px; }
.hanoi-board-card[data-disks="7"] .hanoi-pegs-container { height: 390px; }
.hanoi-board-card[data-disks="7"] .peg-pole { height: 340px; }

.hanoi-board-card[data-disks="8"] { min-height: 505px; }
.hanoi-board-card[data-disks="8"] .hanoi-pegs-container { height: 425px; }
.hanoi-board-card[data-disks="8"] .peg-pole { height: 375px; }


.peg-base {
  position: absolute;
  bottom: 26px;
  width: 90%;
  height: 18px;
  background: var(--hanoi-peg-base);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.peg-label {
  position: absolute;
  bottom: 0px; /* Perfectly centered below base with 6px gap */
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--hanoi-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  z-index: 3;
}

/* Disks Container & Stack */
.peg-disks {
  position: absolute;
  bottom: 44px; /* Sits right on top of base */
  width: 100%;
  display: flex;
  flex-direction: column-reverse; /* Stacks bottom to top */
  align-items: center;
  z-index: 5;
  pointer-events: none;
}

/* Disks Design */
.hanoi-disk {
  position: relative;
  height: 28px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3), inset 0 2px 2px rgba(255, 255, 255, 0.4), inset 0 -2px 2px rgba(0, 0, 0, 0.2);
  margin-bottom: 3px;
  pointer-events: auto;
  cursor: grab;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.2s ease;
  touch-action: none;
}

.hanoi-disk:active {
  cursor: grabbing;
}

/* Disk Color Gradients 1..8 */
.hanoi-disk[data-size="1"] { background: linear-gradient(135deg, #ff6b6b 0%, #ee5253 100%); width: 32%; }
.hanoi-disk[data-size="2"] { background: linear-gradient(135deg, #ff9f43 0%, #f39c12 100%); width: 40%; }
.hanoi-disk[data-size="3"] { background: linear-gradient(135deg, #10ac84 0%, #1dd1a1 100%); width: 48%; }
.hanoi-disk[data-size="4"] { background: linear-gradient(135deg, #0abde3 0%, #48dbfb 100%); width: 56%; }
.hanoi-disk[data-size="5"] { background: linear-gradient(135deg, #2e86de 0%, #54a0ff 100%); width: 64%; }
.hanoi-disk[data-size="6"] { background: linear-gradient(135deg, #5f27cd 0%, #341f97 100%); width: 72%; }
.hanoi-disk[data-size="7"] { background: linear-gradient(135deg, #b8e994 0%, #78e08f 100%); width: 80%; color: #000; }
.hanoi-disk[data-size="8"] { background: linear-gradient(135deg, #ea20e0 0%, #b53471 100%); width: 88%; }

/* Disk Selection & Animation States */
.hanoi-disk.selected {
  transform: translateY(-16px) scale(1.04);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4), 0 0 18px var(--hanoi-accent);
  z-index: 20;
}

.hanoi-disk.dragging {
  opacity: 0.9;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5), 0 0 24px var(--hanoi-accent);
  z-index: 100;
  transition: none !important;
}

.hanoi-disk.invalid-shake {
  animation: diskShake 0.35s ease-in-out;
}

@keyframes diskShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* Auto Solve Control Bar */
.auto-solve-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 16px;
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 16px;
  margin-top: 4px;
}

.auto-info {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--hanoi-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.auto-buttons {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* Toolbar Buttons */
.hanoi-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tool-btn {
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  color: var(--hanoi-text);
  padding: 10px 16px;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  font-family: inherit;
  box-shadow: var(--hanoi-shadow);
  white-space: nowrap;
}

.tool-btn:hover:not(:disabled) {
  background: var(--hanoi-accent);
  border-color: var(--hanoi-accent);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--hanoi-accent-glow);
}

.tool-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tool-btn.primary {
  background: var(--hanoi-accent);
  color: #ffffff;
  border-color: var(--hanoi-accent);
}

/* Toast Notifications */
.hanoi-toast-container {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.hanoi-toast {
  background: var(--hanoi-toast-bg);
  color: var(--hanoi-text);
  padding: 10px 20px;
  border-radius: 99px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--hanoi-card-border);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  animation: toastIn 0.3s ease-out forwards;
}

.hanoi-toast.warning {
  border-color: #f59e0b;
  color: #f59e0b;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-12px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Modals */
.hanoi-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  overflow-y: auto;
}

.hanoi-modal-backdrop.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hanoi-modal-card {
  background: var(--hanoi-card-bg);
  border: 1px solid var(--hanoi-card-border);
  border-radius: 28px;
  padding: 28px 24px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  text-align: center;
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-sizing: border-box;
  max-height: 90vh;
  overflow-y: auto;
}

.hanoi-modal-backdrop.is-active .hanoi-modal-card {
  transform: scale(1);
}

.win-stars {
  font-size: 2.5rem;
  letter-spacing: 6px;
  margin: 10px 0;
}

.win-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.win-item {
  background: rgba(255, 255, 255, 0.04);
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.win-item .val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--hanoi-gold);
}

.win-item .lbl {
  font-size: 0.75rem;
  color: var(--hanoi-text-muted);
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* Leaderboard Modal Tables & Filters */
.leaderboard-filters {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.leaderboard-table-container {
  max-height: 300px;
  overflow-y: auto;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.15);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.leaderboard-table th, .leaderboard-table td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  white-space: nowrap;
}

.leaderboard-table th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--hanoi-text-muted);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 2;
}

.leaderboard-player-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.leaderboard-avatar {
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--hanoi-card-border);
  background: rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.leaderboard-player-name {
  font-weight: 700;
  color: var(--hanoi-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 140px;
}

.leaderboard-table tr.rank-1 {
  background: rgba(245, 158, 11, 0.12);
}
.leaderboard-table tr.rank-1 .rank-badge {
  color: #f59e0b;
}
.leaderboard-table tr.rank-1 .leaderboard-avatar {
  border-color: #f59e0b;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.leaderboard-table tr.rank-2 {
  background: rgba(148, 163, 184, 0.10);
}
.leaderboard-table tr.rank-2 .rank-badge {
  color: #94a3b8;
}

.leaderboard-table tr.rank-3 {
  background: rgba(217, 119, 6, 0.08);
}
.leaderboard-table tr.rank-3 .rank-badge {
  color: #d97706;
}

.leaderboard-table tr.is-current-user {
  background: rgba(139, 92, 246, 0.22) !important;
}
.leaderboard-table tr.is-current-user .leaderboard-player-name {
  color: var(--hanoi-gold);
}
.you-tag {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--hanoi-gold);
  margin-left: 4px;
}

.rank-badge {
  display: inline-block;
  width: 24px;
  text-align: center;
  font-weight: 800;
}

.perfect-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 0.68rem;
  background: rgba(245, 158, 11, 0.2);
  color: var(--hanoi-gold);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 2px 6px;
  border-radius: 99px;
  margin-left: 4px;
  vertical-align: middle;
}

.player-name-col {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* Stats Breakdown Table */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 0.85rem;
}

.stats-table th, .stats-table td {
  padding: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.stats-table th {
  color: var(--hanoi-text-muted);
}

/* Tutorial Rules List */
.tutorial-list {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 20px 0;
}

.tutorial-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--hanoi-accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* Responsive Media Queries */
@media (max-width: 640px) {
  .hanoi-container {
    padding: 10px;
    gap: 12px;
  }

  .hanoi-header {
    padding: 10px 14px;
  }

  .hanoi-brand h1 {
    font-size: 1.2rem;
  }

  .status-value {
    font-size: 1.1rem;
  }

  .hanoi-board-card {
    min-height: 300px;
    padding: 16px 8px 36px 8px;
  }

  .hanoi-pegs-container {
    height: 220px;
  }

  .peg-pole {
    height: 180px;
    width: 10px;
    bottom: 24px;
  }

  /* Dynamic Peg & Board Heights by Selected Disk Count (Mobile <= 640px) */
  .hanoi-board-card[data-disks="3"] { min-height: 300px; }
  .hanoi-board-card[data-disks="3"] .hanoi-pegs-container { height: 220px; }
  .hanoi-board-card[data-disks="3"] .peg-pole { height: 180px; }

  .hanoi-board-card[data-disks="4"] { min-height: 320px; }
  .hanoi-board-card[data-disks="4"] .hanoi-pegs-container { height: 240px; }
  .hanoi-board-card[data-disks="4"] .peg-pole { height: 200px; }

  .hanoi-board-card[data-disks="5"] { min-height: 345px; }
  .hanoi-board-card[data-disks="5"] .hanoi-pegs-container { height: 265px; }
  .hanoi-board-card[data-disks="5"] .peg-pole { height: 225px; }

  .hanoi-board-card[data-disks="6"] { min-height: 370px; }
  .hanoi-board-card[data-disks="6"] .hanoi-pegs-container { height: 290px; }
  .hanoi-board-card[data-disks="6"] .peg-pole { height: 250px; }

  .hanoi-board-card[data-disks="7"] { min-height: 400px; }
  .hanoi-board-card[data-disks="7"] .hanoi-pegs-container { height: 320px; }
  .hanoi-board-card[data-disks="7"] .peg-pole { height: 280px; }

  .hanoi-board-card[data-disks="8"] { min-height: 430px; }
  .hanoi-board-card[data-disks="8"] .hanoi-pegs-container { height: 350px; }
  .hanoi-board-card[data-disks="8"] .peg-pole { height: 310px; }

  .peg-base {
    bottom: 22px;
  }

  .peg-label {
    bottom: -2px;
    font-size: 0.82rem;
  }

  .peg-disks {
    bottom: 38px;
  }

  .hanoi-disk {
    height: 22px;
    font-size: 0.75rem;
    border-radius: 8px;
  }

  .disk-selector-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .seg-btn {
    padding: 6px 10px;
    font-size: 0.78rem;
  }

  .tool-btn {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
}

@media (max-width: 360px) {
  .hanoi-container {
    padding: 6px;
    gap: 8px;
  }

  .hanoi-status-bar {
    padding: 6px 4px;
    gap: 4px;
  }

  .status-box {
    padding: 6px 2px;
  }

  .status-label {
    font-size: 0.62rem;
  }

  .status-value {
    font-size: 0.92rem;
  }

  .hanoi-top-actions {
    gap: 4px;
  }

  .hanoi-top-actions .tool-btn {
    padding: 6px 8px;
    font-size: 0.75rem;
  }

  .hanoi-disk {
    height: 18px;
    font-size: 0.7rem;
    border-radius: 6px;
  }

  .peg-label {
    font-size: 0.78rem;
  }

  /* Dynamic Peg & Board Heights by Selected Disk Count (Ultra-Mobile <= 360px) */
  .hanoi-board-card[data-disks="3"] { min-height: 250px; }
  .hanoi-board-card[data-disks="3"] .hanoi-pegs-container { height: 180px; }
  .hanoi-board-card[data-disks="3"] .peg-pole { height: 150px; }

  .hanoi-board-card[data-disks="4"] { min-height: 270px; }
  .hanoi-board-card[data-disks="4"] .hanoi-pegs-container { height: 200px; }
  .hanoi-board-card[data-disks="4"] .peg-pole { height: 170px; }

  .hanoi-board-card[data-disks="5"] { min-height: 290px; }
  .hanoi-board-card[data-disks="5"] .hanoi-pegs-container { height: 220px; }
  .hanoi-board-card[data-disks="5"] .peg-pole { height: 190px; }

  .hanoi-board-card[data-disks="6"] { min-height: 310px; }
  .hanoi-board-card[data-disks="6"] .hanoi-pegs-container { height: 240px; }
  .hanoi-board-card[data-disks="6"] .peg-pole { height: 210px; }

  .hanoi-board-card[data-disks="7"] { min-height: 335px; }
  .hanoi-board-card[data-disks="7"] .hanoi-pegs-container { height: 265px; }
  .hanoi-board-card[data-disks="7"] .peg-pole { height: 235px; }

  .hanoi-board-card[data-disks="8"] { min-height: 360px; }
  .hanoi-board-card[data-disks="8"] .hanoi-pegs-container { height: 290px; }
  .hanoi-board-card[data-disks="8"] .peg-pole { height: 260px; }
}


/* Accessibility reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hanoi-disk, .seg-btn, .tool-btn, .hanoi-modal-card {
    transition: none !important;
    animation: none !important;
  }
}

/* Avatar Modal Grid & Selection Styles */
.avatar-modal-card {
  max-width: 520px;
  width: 92%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.avatar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding: 4px;
  max-height: 60vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.avatar-option {
  border: 3px solid transparent;
  border-radius: 16px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.06);
  aspect-ratio: 1 / 1;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-option img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.avatar-option:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.avatar-option.active {
  border-color: var(--hanoi-gold);
  background: rgba(245, 158, 11, 0.15);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25);
}

.choose-avatar-btn {
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--hanoi-text);
  border: 1px solid var(--hanoi-card-border);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.choose-avatar-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

@media (max-width: 640px) {
  .avatar-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }
}

@media (max-width: 380px) {
  .avatar-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }
}