/* ===========================
   Matrix Multiplication Puzzle
   Stylesheet
   =========================== */

/* Import base variables from main game */
@import url('style.css');

/* Additional Puzzle-Specific Variables */
:root {
    --puzzle-primary: #8b5cf6;
    --puzzle-secondary: #ec4899;
    --piece-correct: #10b981;
    --piece-wrong: #ef4444;
    --piece-hover: #fbbf24;
    --drop-zone-active: #60a5fa;
    --drop-zone-hover: #93c5fd;
}

/* Override body for puzzle game */
body {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 80%);
    /* Touch optimizations */
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
    -webkit-overflow-scrolling: touch;
}

/* Container wrapper untuk scroll */
.screen {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    height: 100vh;
}

/* ===========================
   Puzzle Icon Animation
   =========================== */

.puzzle-icon {
    display: inline-block;
    animation: puzzleRotate 3s ease-in-out infinite;
}

@keyframes puzzleRotate {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(-10deg) scale(1.1); }
    75% { transform: rotate(10deg) scale(1.1); }
}

/* ===========================
   Setup Screen Enhancements
   =========================== */

.size-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.mode-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.size-btn,
.mode-btn,
.solo-btn {
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.size-btn::before,
.mode-btn::before,
.solo-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.size-btn:hover::before,
.mode-btn:hover::before,
.solo-btn:hover::before {
    left: 100%;
}

.size-btn:hover,
.mode-btn:hover,
.solo-btn:hover {
    background: var(--bg-primary);
    border-color: var(--puzzle-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(139, 92, 246, 0.3);
}

.size-btn.active,
.mode-btn.active,
.solo-btn.active {
    background: linear-gradient(135deg, var(--puzzle-primary), var(--puzzle-secondary));
    border-color: var(--puzzle-primary);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
}

.size-title,
.mode-title {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.size-desc,
.mode-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.mode-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

/* Players Setup */
.players-setup {
    margin: var(--spacing-xl) 0;
}

.player-setup-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid var(--team-1);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.player-setup-item:nth-child(2) { border-left-color: var(--team-2); }
.player-setup-item:nth-child(3) { border-left-color: var(--team-3); }
.player-setup-item:nth-child(4) { border-left-color: var(--team-4); }

.player-setup-item .player-number {
    font-size: 1.5rem;
    font-weight: 800;
    min-width: 40px;
}

.player-setup-item input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
}

.player-setup-item input:focus {
    outline: none;
    border-color: var(--puzzle-primary);
}

/* ===========================
   Game Header - Compact Version
   =========================== */

.game-header {
    padding: 6px 10px !important;
    gap: 8px !important;
    min-height: auto !important;
}

.game-header h2 {
    font-size: 0.9rem !important;
    margin: 0 !important;
}

.game-timer {
    font-size: 0.85rem !important;
}

.stat-item {
    font-size: 0.8rem !important;
}

.btn-control {
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
}

.game-timer .timer-value {
    font-size: 1.1rem !important;
}

.game-controls button {
    padding: 6px 12px !important;
    font-size: 0.85rem !important;
}

/* ===========================
   Game Screen Layout
   REVISI: Semua dalam 1 layar - matriks A, B, board visible!
   =========================== */

.game-main {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 0;
    padding: 8px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

/* ===========================
   Matrices Section (Top)
   =========================== */

.matrices-section {
    background: rgba(30, 41, 59, 0.8);
    padding: 8px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--puzzle-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.matrices-display-horizontal {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Puzzle as Matrix C */
.puzzle-as-matrix {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Bottom Controls (Formula + Hint) */
.bottom-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ===========================
   Pieces Panel Compact
   =========================== */

.pieces-panel-compact {
    background: var(--bg-secondary);
    padding: 6px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(139, 92, 246, 0.3);
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.pieces-panel-compact h3 {
    margin-bottom: 4px;
    color: var(--puzzle-primary);
    font-size: 0.85rem;
    font-weight: 800;
    text-align: center;
    display: none; /* Sembunyikan untuk hemat ruang */
}

.matrix-display {
    text-align: center;
}

.matrix-label {
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 4px;
    font-size: 0.85rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.matrix-grid {
    display: inline-grid;
    gap: 5px;
    padding: 10px;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 6px;
    border: 2px solid var(--puzzle-primary);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4);
}

/* Ukuran grid berdasarkan size matriks */
.matrix-grid.size-2 {
    grid-template-columns: repeat(2, minmax(60px, 70px));
    gap: 6px;
    padding: 12px;
}

.matrix-grid.size-3 {
    grid-template-columns: repeat(3, minmax(50px, 60px));
    gap: 5px;
    padding: 10px;
}

.matrix-grid.size-4 {
    grid-template-columns: repeat(4, minmax(42px, 50px));
    gap: 4px;
    padding: 8px;
}

/* Font sizes berdasarkan ukuran matriks */
.matrix-grid.size-2 .matrix-cell {
    font-size: clamp(1rem, 2.2vw, 1.3rem);
}

.matrix-grid.size-3 .matrix-cell {
    font-size: clamp(0.9rem, 2vw, 1.15rem);
}

.matrix-grid.size-4 .matrix-cell {
    font-size: clamp(0.8rem, 1.8vw, 1rem);
}

/* Support untuk non-square matrix grids */
.matrix-grid.size-2x3 .matrix-cell,
.matrix-grid.size-3x2 .matrix-cell,
.matrix-grid.size-2x2 .matrix-cell {
    font-size: clamp(0.9rem, 2vw, 1.15rem);
}

.matrix-cell {
    background: #1e293b;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: clamp(0.85rem, 2vw, 1.1rem); /* Responsive font - disesuaikan */
    border-radius: 4px;
    aspect-ratio: 1;
    min-height: 40px;
    padding: 3px;
    border: 2px solid rgba(139, 92, 246, 0.6);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    text-overflow: ellipsis;
}

.multiplication-sign,
.equals-sign {
    font-size: 1.2rem;
    font-weight: 900;
    color: #ffffff;
    margin: 2px 0;
    text-shadow: 0 2px 8px rgba(139, 92, 246, 0.8);
}

.result-matrix {
    margin-top: var(--spacing-md);
}

.result-preview {
    padding: var(--spacing-lg);
}

.btn-formula {
    background: var(--bg-tertiary);
    border: 2px solid var(--puzzle-primary);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-base);
    margin-top: var(--spacing-sm);
}

.btn-formula:hover {
    background: var(--puzzle-primary);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

/* Formula Panel */
.formula-panel {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--puzzle-primary);
}

.formula-panel.hidden {
    display: none;
}

.formula-panel h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--puzzle-primary);
}

.formula-content {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.formula-example {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

/* ===========================
   Puzzle Board (Drop Zone) - Now integrated with Matrix C
   =========================== */

.puzzle-board {
    display: inline-grid;
    gap: 5px;
    padding: 10px;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 6px;
    border: 2px solid var(--puzzle-primary);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4);
    position: relative;
}

/* Match matrix grid sizes */
.puzzle-board.size-2 {
    grid-template-columns: repeat(2, minmax(60px, 70px));
    gap: 6px;
    padding: 12px;
}

.puzzle-board.size-3 {
    grid-template-columns: repeat(3, minmax(50px, 60px));
    gap: 5px;
    padding: 10px;
}

.puzzle-board.size-4 {
    grid-template-columns: repeat(4, minmax(42px, 50px));
    gap: 4px;
    padding: 8px;
}

/* Non-square puzzle boards */
.puzzle-board.size-2x3 {
    grid-template-columns: repeat(3, minmax(50px, 60px));
    gap: 5px;
    padding: 10px;
}

.puzzle-board.size-2x2 {
    grid-template-columns: repeat(2, minmax(60px, 70px));
    gap: 6px;
    padding: 12px;
}

/* Font sizes untuk puzzle board berdasarkan ukuran */
.puzzle-board.size-2 .piece-in-slot {
    font-size: clamp(1rem, 2.2vw, 1.3rem);
}

.puzzle-board.size-3 .piece-in-slot {
    font-size: clamp(0.9rem, 2vw, 1.15rem);
}

.puzzle-board.size-4 .piece-in-slot {
    font-size: clamp(0.8rem, 1.8vw, 1rem);
}

/* Font sizes untuk non-square boards */
.puzzle-board.size-2x3 .piece-in-slot,
.puzzle-board.size-2x2 .piece-in-slot {
    font-size: clamp(0.9rem, 2vw, 1.15rem);
}

/* Drop Zone Cells - Match matrix cell style */
.drop-zone {
    background: #1e293b;
    min-height: 40px;
    border: 2px dashed rgba(139, 92, 246, 0.4);
    border-radius: var(--radius-sm);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all var(--transition-base);
    min-height: 42px;
    min-width: 42px;
    padding: 4px;
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    font-weight: 800;
    color: #ffffff;
    touch-action: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.drop-zone::before {
    content: attr(data-position);
    position: absolute;
    top: 1px;
    left: 2px;
    font-size: 0.5rem;
    color: rgba(139, 92, 246, 0.5);
    font-weight: 600;
}

.drop-zone.drag-over {
    background: var(--drop-zone-hover);
    border-color: var(--drop-zone-active);
    border-style: solid;
    transform: scale(1.08);
    box-shadow: 0 0 24px rgba(96, 165, 250, 0.7);
    animation: dropZonePulse 0.4s ease-in-out infinite alternate;
}

@keyframes dropZonePulse {
    0% { box-shadow: 0 0 20px rgba(96, 165, 250, 0.5); }
    100% { box-shadow: 0 0 30px rgba(96, 165, 250, 0.9); }
}

.drop-zone.filled {
    border-style: solid;
    border-color: rgba(139, 92, 246, 0.8);
}

.drop-zone.correct {
    background: #1e293b;
    border-color: var(--piece-correct);
    border-style: solid;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
    animation: correctPulse 0.5s ease;
}

.drop-zone.wrong {
    background: #1e293b;
    border-color: var(--piece-wrong);
    border-style: solid;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
    animation: shake 0.5s ease;
}

@keyframes correctPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes touchPulse {
    0% { transform: scale(1.15) rotate(3deg); }
    100% { transform: scale(1.2) rotate(3deg); }
}

/* Hint Indicator */
.hint-indicator {
    padding: 4px 8px;
    background: var(--warning-color);
    color: var(--bg-primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-weight: 600;
    font-size: 0.7rem;
    animation: hintBlink 1s ease-in-out infinite;
    max-width: 400px;
}

.hint-indicator.hidden {
    display: none;
}

@keyframes hintBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ===========================
   Puzzle Pieces - Compact Layout
   =========================== */

.pieces-instruction {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin: 0 0 3px 0;
    text-align: center;
}

.pieces-pool {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    padding: 6px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    min-height: 50px;
}

.puzzle-piece {
    background: linear-gradient(135deg, var(--puzzle-primary), var(--puzzle-secondary));
    color: white;
    padding: 4px;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 800;
    text-align: center;
    cursor: grab;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    position: relative;
    user-select: none;
    min-height: 42px; /* Touch-friendly minimum */
    min-width: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: none; /* Prevent browser touch actions */
    -webkit-touch-callout: none; /* iOS callout */
    -webkit-tap-highlight-color: transparent; /* Remove tap highlight */
}

.puzzle-piece:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 8px 16px rgba(139, 92, 246, 0.4);
    border-color: var(--piece-hover);
}

.puzzle-piece:active {
    cursor: grabbing;
    transform: scale(1.1) rotate(5deg);
}

.puzzle-piece.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.puzzle-piece.touch-dragging {
    opacity: 0.9;
    transform: scale(1.15) rotate(3deg);
    box-shadow: 0 12px 24px rgba(139, 92, 246, 0.6);
    animation: touchPulse 0.3s ease-in-out infinite alternate;
}

.puzzle-piece.placed {
    opacity: 0.3;
    cursor: not-allowed;
    filter: grayscale(0.8);
}

.puzzle-piece.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

/* Piece in Drop Zone - Match matrix cell */
.piece-in-slot {
    background: transparent;
    color: white;
    padding: 3px;
    border-radius: 4px;
    font-size: clamp(0.85rem, 2vw, 1.1rem);
    font-weight: 800;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.piece-in-slot:hover {
    transform: scale(1.08);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.drop-zone.correct .piece-in-slot {
    color: var(--piece-correct);
    text-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.drop-zone.wrong .piece-in-slot {
    color: var(--piece-wrong);
    text-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
}

/* ===========================
   Players Turn List
   =========================== */

.players-turn-list {
    margin-top: 6px;
    padding: 4px;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.player-turn-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px 6px;
    margin-bottom: 2px;
    border-radius: 4px;
    transition: all var(--transition-fast);
    font-size: 0.75rem;
}

.player-turn-item.active {
    background: var(--puzzle-primary);
    font-weight: 700;
    transform: scale(1.02);
}

.player-pieces-count {
    background: var(--bg-primary);
    padding: 1px 5px;
    border-radius: 8px;
    font-size: 0.7rem;
}

/* ===========================
   Game Stats
   =========================== */

.game-stats {
    display: flex;
    gap: var(--spacing-md);
}

/* ===========================
   Activity Log - Override untuk kompak
   =========================== */

.activity-log {
    max-height: 60px;
    overflow-y: auto;
    padding: 4px 8px !important;
    margin-top: 4px;
}

.activity-log h3 {
    font-size: 0.75rem !important;
    margin-bottom: 3px !important;
}

.log-content {
    max-height: 50px !important;
    font-size: 0.7rem;
}

.log-entry {
    margin: 2px 0;
    padding: 2px 0;
    font-size: 0.7rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--puzzle-primary);
}

/* ===========================
   Result Screen
   =========================== */

.result-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--puzzle-primary), var(--puzzle-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.completed-puzzle {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
}

.completed-puzzle h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--puzzle-primary);
}

.completed-display {
    display: flex;
    justify-content: center;
}

.final-matrices {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.final-matrix {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.final-matrix .matrix-name {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.final-matrix .matrix-grid {
    border-color: var(--puzzle-primary);
}

.final-matrix.result .matrix-grid {
    border-color: var(--piece-correct);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.final-matrices .op {
    font-size: 2rem;
    color: var(--text-secondary);
    margin: 0 var(--spacing-sm);
}

/* Puzzle Statistics */
.puzzle-stats {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
}

.puzzle-stats h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--puzzle-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--puzzle-primary);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(139, 92, 246, 0.3);
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.stat-big-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--puzzle-primary);
}

/* Player Contributions */
.player-contributions {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
}

.player-contributions h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--puzzle-primary);
}

.contributions-table {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contribution-row {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: 50px 1fr 100px 100px 80px;
    align-items: center;
    gap: var(--spacing-md);
    border-left: 4px solid var(--team-1);
}

.contribution-row:nth-child(2) { border-left-color: var(--team-2); }
.contribution-row:nth-child(3) { border-left-color: var(--team-3); }
.contribution-row:nth-child(4) { border-left-color: var(--team-4); }

.contribution-row.best {
    background: linear-gradient(90deg, var(--bg-tertiary), rgba(139, 92, 246, 0.2));
    border-color: var(--warning-color);
}

.contribution-rank {
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
}

.contribution-name {
    font-weight: 700;
}

.contribution-pieces,
.contribution-score,
.contribution-time {
    text-align: center;
    font-weight: 600;
}

.contribution-time {
    font-size: 0.9rem;
    color: var(--puzzle-primary);
}

/* Result Buttons */
.result-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   Back to Main Link
   =========================== */

.back-to-main {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid var(--puzzle-primary);
    transition: all var(--transition-base);
    font-weight: 600;
}

.back-link:hover {
    background: var(--puzzle-primary);
    transform: translateX(-5px);
    box-shadow: var(--shadow-md);
}

/* ===========================
   Tutorial Modal Enhancements
   =========================== */

.tutorial-example {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.tutorial-example h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--puzzle-primary);
}

.tutorial-example pre {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    overflow-x: auto;
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 1400px) {
    .game-main {
        grid-template-columns: 300px 1fr 250px;
    }

    .puzzle-board.size-4 {
        grid-template-columns: repeat(4, 70px);
    }
}

@media (max-width: 1024px) {
    .game-main {
        grid-template-columns: 1fr;
    }

    .matrices-panel,
    .puzzle-panel,
    .pieces-panel {
        max-width: 600px;
        margin: 0 auto var(--spacing-lg);
    }

    .matrices-display {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .size-buttons,
    .mode-buttons {
        grid-template-columns: 1fr;
    }

    .puzzle-board.size-3 {
        grid-template-columns: repeat(3, 80px);
    }

    .puzzle-board.size-4 {
        grid-template-columns: repeat(4, 60px);
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .final-matrices {
        flex-direction: column;
    }

    .contribution-row {
        grid-template-columns: 40px 1fr 80px;
    }

    .contribution-score {
        display: none;
    }
}

@media (max-width: 480px) {
    .puzzle-board.size-3 {
        grid-template-columns: repeat(3, 70px);
    }

    .puzzle-board.size-4 {
        grid-template-columns: repeat(4, 50px);
    }

    .pieces-pool {
        grid-template-columns: repeat(2, 1fr);
    }

    .game-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ===========================
   Print Styles (untuk export)
   =========================== */

@media print {
    .game-header,
    .game-controls,
    .pieces-panel,
    .activity-log,
    .back-to-main,
    .result-buttons {
        display: none !important;
    }

    body {
        background: white;
    }

    .completed-puzzle,
    .puzzle-stats,
    .player-contributions {
        page-break-inside: avoid;
    }
}

/* =====================================================
   SETUP SCREEN REDESIGN (glassmorphism / neon)
   ===================================================== */

#setupScreen {
    --glass: rgba(30, 36, 92, 0.55);
    --glass-border: rgba(129, 140, 248, 0.28);
    --grad: linear-gradient(135deg, #6d5cff 0%, #a43cf0 55%, #ec4899 100%);
    position: relative;
    background:
        radial-gradient(circle at 15% 0%, rgba(99, 102, 241, 0.35), transparent 45%),
        radial-gradient(circle at 90% 100%, rgba(168, 85, 247, 0.30), transparent 45%),
        linear-gradient(160deg, #0b0f3a 0%, #151a5c 55%, #0d1040 100%);
    padding: 28px 20px 40px;
}

#setupScreen .setup-container {
    position: relative;
    z-index: 1;
    max-width: 1180px;
}

/* ---------- Background decoration ---------- */
#setupScreen .setup-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.setup-bg .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.85;
}
.setup-bg .orb-1 {
    width: 260px; height: 260px; top: -90px; left: -80px;
    background: radial-gradient(circle at 35% 35%, #7c6bff, #3b2fb8 60%, transparent 72%);
}
.setup-bg .orb-2 {
    width: 340px; height: 340px; top: -150px; right: -90px;
    background: radial-gradient(circle at 40% 60%, #c04bff, #5b21b6 60%, transparent 72%);
}
.setup-bg .orb-3 {
    width: 300px; height: 300px; bottom: -130px; right: -70px;
    background: radial-gradient(circle at 40% 40%, #7c6bff, #4338ca 60%, transparent 72%);
}

.setup-bg .deco-cube {
    position: absolute;
    width: 54px; height: 54px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(147, 197, 253, 0.85), rgba(139, 92, 246, 0.75));
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5), inset 0 0 12px rgba(255, 255, 255, 0.35);
    animation: setupFloat 7s ease-in-out infinite;
}
.setup-bg .cube-1 { top: 70px; left: 4%; transform: rotate(-18deg); }
.setup-bg .cube-2 { top: 34%; right: 2.5%; width: 44px; height: 44px; transform: rotate(24deg); animation-delay: -2s; }
.setup-bg .cube-3 { bottom: 24%; left: 1.5%; width: 34px; height: 34px; transform: rotate(14deg); animation-delay: -4s; opacity: 0.8; }

.setup-bg .deco-text {
    position: absolute;
    color: rgba(165, 180, 252, 0.4);
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
}
.setup-bg .deco-eq {
    top: 70px; left: 11%;
    font-size: 2.6rem;
    transform: rotate(-8deg);
}
.setup-bg .deco-mat {
    top: 50px; right: 9%;
    display: grid;
    grid-template-columns: auto auto auto auto;
    align-items: center;
    gap: 14px;
    font-size: 2rem;
    transform: rotate(8deg);
}
.setup-bg .deco-mat b { font-size: 4.2rem; font-weight: 200; font-style: normal; line-height: 1; }
.setup-bg .deco-mat i { display: block; }

@keyframes setupFloat {
    0%, 100% { translate: 0 0; }
    50% { translate: 0 -12px; }
}

/* ---------- Header ---------- */
#setupScreen .setup-header { margin-bottom: 26px; }

#setupScreen .game-title {
    font-size: clamp(1.9rem, 4.6vw, 3.6rem);
    letter-spacing: -0.5px;
    margin-bottom: 8px;
    color: #fff;
    background: none;
    -webkit-text-fill-color: #fff;
    text-shadow: 0 4px 30px rgba(129, 140, 248, 0.55);
}
#setupScreen .game-title .accent {
    background: linear-gradient(90deg, #c084fc, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}
#setupScreen .game-subtitle {
    color: #c7d2fe;
    font-size: clamp(0.95rem, 1.8vw, 1.3rem);
    margin-bottom: 0;
}

/* ---------- Main glass panel ---------- */
#setupScreen .setup-panel {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: clamp(18px, 3.2vw, 44px);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04) inset, 0 30px 80px rgba(5, 8, 40, 0.65),
                0 -1px 40px rgba(99, 102, 241, 0.25);
}

.panel-head {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 30px;
}
.panel-head-icon {
    flex: none;
    width: 62px; height: 62px;
    display: grid; place-items: center;
    font-size: 1.9rem;
    color: #fff;
    border-radius: 18px;
    background: var(--grad);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.55);
}
#setupScreen .panel-head h2 {
    text-align: left;
    margin: 0 0 4px;
    font-size: clamp(1.3rem, 2.4vw, 1.9rem);
    color: #fff;
}
.panel-head p { margin: 0; color: #a5b4fc; font-size: clamp(0.85rem, 1.5vw, 1.05rem); }

/* ---------- Group title ---------- */
#setupScreen .setting-group { margin-bottom: 28px; }

.group-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.group-title label,
#setupScreen .setting-group .group-title label {
    display: inline;
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
}
.group-icon {
    font-size: 1.4rem;
    color: #818cf8;
    line-height: 1;
    display: inline-grid;
}
.group-icon.dot-grid { width: 22px; height: 22px; gap: 3px; }
.group-icon.dot-grid i { background: #818cf8; border-radius: 3px; }
.group-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(129, 140, 248, 0.35), rgba(129, 140, 248, 0.05));
}
.group-hint {
    flex: none;
    padding: 7px 18px;
    font-size: 0.85rem;
    color: #c7d2fe;
    background: rgba(99, 102, 241, 0.14);
    border: 1px solid rgba(129, 140, 248, 0.3);
    border-radius: 999px;
}

/* ---------- Option cards ---------- */
#setupScreen .size-buttons,
#setupScreen .mode-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
#setupScreen .size-buttons { grid-template-columns: repeat(6, 1fr); }
#setupScreen .size-btn { grid-column: span 2; }

#setupScreen .size-btn,
#setupScreen .mode-btn,
#setupScreen .solo-btn {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 18px;
    text-align: left;
    padding: 22px 24px;
    min-height: 100px;
    color: #fff;
    font-family: inherit;
    background: rgba(40, 48, 120, 0.42);
    border: 1px solid rgba(129, 140, 248, 0.25);
    border-radius: 20px;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset;
}
#setupScreen .mode-btn,
#setupScreen .solo-btn { min-height: 118px; }

#setupScreen .size-btn:hover,
#setupScreen .mode-btn:hover,
#setupScreen .solo-btn:hover {
    background: rgba(60, 70, 160, 0.55);
    border-color: rgba(167, 139, 250, 0.7);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.35);
}

#setupScreen .size-btn.active,
#setupScreen .mode-btn.active,
#setupScreen .solo-btn.active {
    background: var(--grad);
    border-color: rgba(255, 255, 255, 0.55);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2) inset, 0 10px 36px rgba(168, 85, 247, 0.65);
}

/* check badge */
#setupScreen .size-btn.active::after,
#setupScreen .mode-btn.active::after,
#setupScreen .solo-btn.active::after {
    content: '✓';
    position: absolute;
    top: 14px; right: 16px;
    width: 30px; height: 30px;
    display: grid; place-items: center;
    font-size: 1rem; font-weight: 800;
    color: #a43cf0;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.opt-icon {
    flex: none;
    width: 60px; height: 60px;
    display: grid; place-items: center;
    border-radius: 16px;
    background: rgba(15, 20, 70, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.size-btn.active .opt-icon,
.mode-btn.active .opt-icon,
.solo-btn.active .opt-icon { background: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.3); }

/* dot-grid icon for sizes */
.dot-grid { grid-template-columns: repeat(var(--c), 1fr); grid-template-rows: repeat(var(--r), 1fr); }
.opt-icon.dot-grid {
    gap: 4px;
    padding: 14px;
    place-items: stretch;
}
.opt-icon.dot-grid i { background: #93a4ff; border-radius: 3px; }
.size-btn.active .opt-icon.dot-grid i { background: #fff; }

/* mode icons */
#setupScreen .mode-icon {
    font-size: 1.9rem;
    margin: 0;
    width: 68px; height: 68px;
}
.mode-icon.icon-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); border: none; box-shadow: 0 6px 18px rgba(59, 130, 246, 0.5); }
.mode-icon.icon-purple { background: linear-gradient(135deg, #a855f7, #ec4899); border: none; box-shadow: 0 6px 18px rgba(168, 85, 247, 0.5); }
#setupScreen .mode-btn.active .mode-icon.icon-blue,
#setupScreen .mode-btn.active .mode-icon.icon-purple,
#setupScreen .solo-btn.active .mode-icon.icon-blue,
#setupScreen .solo-btn.active .mode-icon.icon-purple { background: rgba(255, 255, 255, 0.22); box-shadow: none; }

.opt-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
#setupScreen .size-title,
#setupScreen .mode-title { font-size: 1.4rem; font-weight: 800; color: #fff; line-height: 1.15; }
#setupScreen .size-desc,
#setupScreen .mode-desc { font-size: 0.95rem; color: #a5b4fc; }
#setupScreen .size-btn.active .size-desc,
#setupScreen .mode-btn.active .mode-desc,
#setupScreen .solo-btn.active .mode-desc { color: rgba(255, 255, 255, 0.82); }

/* ---------- Players / time row ---------- */
.setting-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}
#setupScreen select {
    background: rgba(40, 48, 120, 0.42);
    border: 1px solid rgba(129, 140, 248, 0.3);
    border-radius: 16px;
    padding: 16px 18px;
    color: #fff;
    font-size: 1.05rem;
}
#setupScreen select:focus { border-color: #a78bfa; box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.25); }
#setupScreen select option { background: #1e1b4b; color: #fff; }

#setupScreen .players-setup { margin: 4px 0 26px; }
#setupScreen .player-setup-item {
    background: rgba(40, 48, 120, 0.42);
    border: 1px solid rgba(129, 140, 248, 0.2);
    border-left: 4px solid var(--team-1);
    border-radius: 16px;
}
#setupScreen .player-setup-item input {
    background: rgba(11, 15, 58, 0.6);
    border: 1px solid rgba(129, 140, 248, 0.2);
    border-radius: 12px;
}
#setupScreen .player-setup-item input:focus { border-color: #a78bfa; }

/* ---------- Start button & info ---------- */
#setupScreen .btn-large {
    background: var(--grad);
    border-radius: 18px;
    padding: 20px;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.3px;
    box-shadow: 0 10px 34px rgba(168, 85, 247, 0.55);
}
#setupScreen .btn-large:hover { filter: brightness(1.1); transform: translateY(-2px); }

#setupScreen .info-panel {
    margin-top: 22px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
#setupScreen .info-panel h3 { color: #c7d2fe; }
#setupScreen .info-panel li { color: #c7d2fe; }
#setupScreen .info-panel li:before { color: #c084fc; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    #setupScreen .size-buttons { grid-template-columns: repeat(2, 1fr); }
    #setupScreen .size-btn { grid-column: auto; }
    #setupScreen .mode-buttons { grid-template-columns: 1fr; }
    .group-hint { display: none; }
    .setup-bg .deco-text { display: none; }
}
@media (max-width: 560px) {
    #setupScreen { padding: 16px 12px 30px; }
    #setupScreen .size-buttons { grid-template-columns: 1fr; }
    .setting-row { grid-template-columns: 1fr; gap: 0; }
    #setupScreen .size-btn,
#setupScreen .mode-btn,
#setupScreen .solo-btn { padding: 16px; min-height: 84px; gap: 14px; }
    .opt-icon { width: 50px; height: 50px; }
    #setupScreen .mode-icon { width: 54px; height: 54px; font-size: 1.5rem; }
    #setupScreen .size-title,
    #setupScreen .mode-title { font-size: 1.2rem; }
    .panel-head-icon { width: 50px; height: 50px; font-size: 1.5rem; }
}

/* =====================================================
   GAME SCREEN REDESIGN (glassmorphism / neon)
   ===================================================== */

#gameScreen {
    --glass: rgba(24, 28, 84, 0.62);
    --glass-border: rgba(129, 140, 248, 0.35);
    --grad: linear-gradient(135deg, #6d5cff 0%, #a43cf0 55%, #ec4899 100%);
    position: relative;
    background:
        radial-gradient(circle at 15% 0%, rgba(99, 102, 241, 0.35), transparent 45%),
        radial-gradient(circle at 90% 100%, rgba(168, 85, 247, 0.30), transparent 45%),
        linear-gradient(160deg, #0b0f3a 0%, #151a5c 55%, #0d1040 100%);
    padding: 14px 18px 24px;
}

#gameScreen .setup-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}
#gameScreen .setup-bg .deco-eq { top: 38%; left: 1.5%; font-size: 2.2rem; }
#gameScreen .setup-bg .deco-mat { top: 36%; right: 2%; }
#gameScreen .setup-bg .cube-1 { top: 48%; left: 3%; }
#gameScreen .setup-bg .cube-2 { top: 60%; right: 2%; }

#gameScreen .game-container {
    position: relative;
    z-index: 1;
    max-width: 1600px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ---------- Header ---------- */
#gameScreen .game-header {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 14px 24px !important;
    margin: 0;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 22px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 40px rgba(5, 8, 40, 0.55), 0 0 28px rgba(99, 102, 241, 0.25);
}

#gameScreen .game-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1.3;
}
#gameScreen .avatar {
    flex: none;
    width: 58px; height: 58px;
    display: grid; place-items: center;
    font-size: 1.6rem;
    border-radius: 50%;
    background: rgba(79, 70, 229, 0.35);
    border: 2px solid rgba(129, 140, 248, 0.55);
    box-shadow: 0 0 18px rgba(99, 102, 241, 0.45);
}
#gameScreen .game-header h2 {
    font-size: 1.35rem !important;
    font-weight: 800;
    color: #fff;
    margin: 0 0 2px !important;
}
#gameScreen #currentPlayerName { font-weight: 800; }
#gameScreen .player-turn-indicator { color: #fff; }
#gameScreen .game-timer { display: flex; align-items: center; gap: 8px; }
#gameScreen .timer-icon { font-size: 1.4rem; color: #fbbf24; }
#gameScreen .game-timer .timer-value {
    font-size: 1.7rem !important;
    font-weight: 800;
    color: #fbbf24;
    text-shadow: 0 0 14px rgba(251, 191, 36, 0.45);
}
#gameScreen .game-timer .timer-value.low { color: #f87171; }

#gameScreen .game-stats {
    display: flex;
    gap: 0;
    flex: 1.4;
}
#gameScreen .stat-item {
    flex: 1;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 0 26px;
    border-left: 1px solid rgba(129, 140, 248, 0.28);
}
#gameScreen .stat-icon {
    flex: none;
    width: 46px; height: 46px;
    display: grid; place-items: center;
    font-size: 1.6rem;
    border-radius: 14px;
    background: rgba(79, 70, 229, 0.22);
    border: 1px solid rgba(129, 140, 248, 0.3);
}
#gameScreen .stat-icon.dot-grid { gap: 3px; padding: 11px; place-items: stretch; }
#gameScreen .stat-icon.dot-grid i { background: #a5b4fc; border-radius: 3px; }
#gameScreen .stat-text { display: flex; flex-direction: column; line-height: 1.15; }
#gameScreen .stat-label { font-size: 0.95rem !important; color: #c7d2fe; }
#gameScreen .stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(90deg, #8b7bff, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

#gameScreen .game-controls { display: flex; gap: 12px; }
#gameScreen .game-controls button {
    padding: 12px 20px !important;
    font-size: 0.95rem !important;
    font-weight: 700;
    font-family: inherit;
    color: #fff;
    border-radius: 14px;
    cursor: pointer;
    background: rgba(79, 70, 229, 0.22);
    border: 1px solid rgba(129, 140, 248, 0.55);
    box-shadow: 0 0 16px rgba(99, 102, 241, 0.25);
    transition: transform 0.15s, filter 0.15s;
}
#gameScreen .game-controls button:hover { transform: translateY(-2px); filter: brightness(1.25); }
#gameScreen .game-controls .btn-hint { border-color: rgba(251, 191, 36, 0.6); box-shadow: 0 0 16px rgba(251, 191, 36, 0.2); }
#gameScreen .game-controls .btn-exit {
    background: rgba(239, 68, 68, 0.18);
    border-color: rgba(248, 113, 113, 0.7);
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.25);
}

/* ---------- Main ---------- */
#gameScreen .game-main {
    max-height: none;
    overflow: visible;
    padding: 0;
    gap: 16px;
}

/* Matrices card */
#gameScreen .matrices-section {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: 34px 28px 26px;
    gap: 10px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 12px 44px rgba(5, 8, 40, 0.55), 0 0 36px rgba(99, 102, 241, 0.22);
}
#gameScreen .matrices-display-horizontal {
    align-items: center;
    gap: clamp(10px, 2.4vw, 40px);
}

/* Matrix frame */
#gameScreen .matrix-display {
    position: relative;
    padding: 30px 14px 14px;
    border-radius: 24px;
    border: 2px solid rgba(99, 102, 241, 0.9);
    background: rgba(20, 22, 80, 0.5);
    box-shadow: 0 0 22px rgba(99, 102, 241, 0.55), inset 0 0 18px rgba(99, 102, 241, 0.25);
}
#gameScreen .matrix-display.puzzle-as-matrix {
    border-color: rgba(236, 72, 153, 0.9);
    box-shadow: 0 0 24px rgba(217, 70, 239, 0.55), inset 0 0 18px rgba(217, 70, 239, 0.22);
}
#gameScreen .matrix-label {
    position: absolute;
    top: -20px; left: 50%;
    transform: translateX(-50%);
    min-width: 120px;
    padding: 6px 24px;
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    border-radius: 14px 14px 6px 6px;
    background: linear-gradient(180deg, #5b4bff, #3b2fb8);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.6);
}
#gameScreen .puzzle-as-matrix .matrix-label { background: linear-gradient(180deg, #b44bf5, #7c2bd6); box-shadow: 0 4px 16px rgba(168, 85, 247, 0.6); }

#gameScreen .matrix-grid,
#gameScreen .puzzle-board {
    --cell: clamp(58px, 7.2vw, 112px);
    display: inline-grid;
    gap: 8px;
    padding: 12px;
    border-radius: 16px;
    border: 2px solid rgba(139, 92, 246, 0.85);
    background: rgba(15, 17, 64, 0.55);
    box-shadow: inset 0 0 14px rgba(139, 92, 246, 0.35);
    grid-template-columns: repeat(2, var(--cell));
}
#gameScreen .matrix-grid[data-dim="3"],
#gameScreen .puzzle-board[data-dim="3"] { --cell: clamp(46px, 5.2vw, 82px); gap: 7px; }
#gameScreen .matrix-grid[data-dim="4"],
#gameScreen .puzzle-board[data-dim="4"],
#gameScreen .matrix-grid[data-dim="5"],
#gameScreen .puzzle-board[data-dim="5"] { --cell: clamp(38px, 3.9vw, 62px); gap: 6px; }

#gameScreen .puzzle-board[data-dim],
#gameScreen .matrix-grid[data-dim] { grid-template-columns: repeat(var(--cols, 2), var(--cell)); }

#gameScreen .matrix-cell {
    width: var(--cell);
    height: auto;
    min-height: 0;
    aspect-ratio: 1;
    font-size: calc(var(--cell) * 0.38) !important;
    font-weight: 800;
    border-radius: 12px;
    background: rgba(12, 14, 52, 0.85);
    border: 1px solid rgba(129, 140, 248, 0.45);
    box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.45);
}

/* Operators */
#gameScreen .multiplication-sign,
#gameScreen .equals-sign {
    font-size: clamp(1.8rem, 3vw, 3rem);
    font-weight: 900;
    margin: 0;
    color: #fff;
    text-shadow: 0 0 14px rgba(167, 139, 250, 0.9);
}

/* Drop zones */
#gameScreen .drop-zone {
    width: var(--cell);
    min-width: 0;
    min-height: 0;
    aspect-ratio: 1;
    padding: 0;
    border-radius: 12px;
    background: rgba(12, 14, 52, 0.55);
    border: 2px dashed rgba(129, 140, 248, 0.6);
    box-shadow: none;
    font-size: calc(var(--cell) * 0.38);
}
#gameScreen .drop-zone::after {
    content: '+';
    font-size: calc(var(--cell) * 0.4);
    font-weight: 300;
    color: rgba(165, 180, 252, 0.8);
}
#gameScreen .drop-zone.filled::after { content: none; }
#gameScreen .drop-zone::before {
    z-index: 1;
    top: 6px; left: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    color: rgba(224, 231, 255, 0.85);
}
#gameScreen .drop-zone.drag-over {
    background: rgba(96, 165, 250, 0.22);
    border: 2px solid #60a5fa;
}
#gameScreen .drop-zone.filled { border: 2px solid rgba(139, 92, 246, 0.9); background: rgba(12, 14, 52, 0.85); }
#gameScreen .drop-zone.correct {
    border: 2px solid #34d399;
    background: rgba(16, 185, 129, 0.12);
    box-shadow: 0 0 16px rgba(52, 211, 153, 0.5), inset 0 0 12px rgba(52, 211, 153, 0.25);
}
#gameScreen .drop-zone.wrong {
    border: 2px solid #f87171;
    background: rgba(239, 68, 68, 0.12);
    box-shadow: 0 0 16px rgba(248, 113, 113, 0.5), inset 0 0 12px rgba(248, 113, 113, 0.25);
}
#gameScreen .piece-in-slot { font-size: calc(var(--cell) * 0.38); padding: 0; }
#gameScreen .drop-zone.correct .piece-in-slot { color: #34d399; text-shadow: 0 0 12px rgba(52, 211, 153, 0.7); }
#gameScreen .drop-zone.wrong .piece-in-slot { color: #f87171; text-shadow: 0 0 12px rgba(248, 113, 113, 0.7); }

/* ---------- Pieces panel ---------- */
#gameScreen .pieces-panel-compact {
    display: flex;
    align-items: center;
    gap: 22px;
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 20px 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 36px rgba(5, 8, 40, 0.5);
}
.pieces-icon, .log-icon {
    flex: none;
    width: 68px; height: 68px;
    display: grid; place-items: center;
    font-size: 1.9rem;
    border-radius: 18px;
    background: rgba(79, 70, 229, 0.25);
    border: 1px solid rgba(129, 140, 248, 0.35);
}
#gameScreen .pieces-text { flex: 0 1 300px; }
#gameScreen .pieces-title { margin: 0 0 6px; font-weight: 800; font-size: 1.1rem; color: #fff; }
#gameScreen .pieces-instruction { margin: 0; font-size: 0.95rem; color: #c7d2fe; text-align: left; }
#gameScreen .pieces-pool {
    flex: 1;
    justify-content: flex-start;
    gap: 18px;
    padding: 4px;
    background: transparent;
    min-height: 0;
}
#gameScreen .puzzle-piece {
    min-width: 96px;
    min-height: 82px;
    padding: 6px 10px;
    font-size: 1.7rem;
    border-radius: 12px;
    background: linear-gradient(135deg, #c13de6, #ec4899);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 6px 20px rgba(217, 70, 239, 0.45), inset 0 0 12px rgba(255, 255, 255, 0.2);
}
#gameScreen .puzzle-piece:hover { border-color: #fbbf24; }

/* ---------- Players list ---------- */
#gameScreen .players-turn-list {
    margin: 0;
    padding: 12px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 36px rgba(5, 8, 40, 0.5);
}
#gameScreen .player-turn-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 10px 18px;
    margin: 0 0 6px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 14px;
    border: 1px solid transparent;
    transform: none;
}
#gameScreen .player-turn-item:last-child { margin-bottom: 0; }
#gameScreen .player-turn-item.active {
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.75), rgba(124, 58, 237, 0.45));
    border-color: rgba(167, 139, 250, 0.7);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    transform: none;
}
#gameScreen .pt-avatar {
    flex: none;
    width: 36px; height: 36px;
    display: grid; place-items: center;
    border-radius: 50%;
    font-size: 1rem;
    background: rgba(15, 17, 64, 0.7);
    border: 1px solid rgba(129, 140, 248, 0.5);
}
#gameScreen .pt-name { flex: none; min-width: 110px; }
#gameScreen .pt-bar, #gameScreen .pt-fill { display: block; }
#gameScreen .pt-bar {
    flex: 1;
    height: 14px;
    border-radius: 999px;
    background: rgba(15, 17, 64, 0.75);
    overflow: hidden;
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.5);
}
#gameScreen .pt-fill {
    height: 100%;
    min-width: 6px;
    border-radius: 999px;
    background: rgba(129, 140, 248, 0.35);
    transition: width 0.4s ease;
}
#gameScreen .player-turn-item.active .pt-fill {
    background: linear-gradient(90deg, #7c6bff, #c084fc);
    box-shadow: 0 0 12px rgba(167, 139, 250, 0.7);
}
#gameScreen .player-pieces-count {
    flex: none;
    padding: 6px 18px;
    font-size: 0.9rem;
    color: #fff;
    background: rgba(10, 12, 48, 0.85);
    border: 1px solid rgba(129, 140, 248, 0.4);
    border-radius: 999px;
}

/* ---------- Log ---------- */
#gameScreen .activity-log {
    display: flex;
    align-items: center;
    gap: 20px;
    max-height: none;
    overflow: visible;
    margin: 0;
    padding: 14px 24px !important;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 36px rgba(5, 8, 40, 0.5);
}
#gameScreen .activity-log .log-icon { width: 56px; height: 56px; font-size: 1.5rem; }
#gameScreen .log-body { flex: 1; min-width: 0; }
#gameScreen .activity-log h3 { font-size: 1.05rem !important; margin: 0 0 8px !important; color: #fff; }
#gameScreen .log-content {
    max-height: 78px !important;
    overflow-y: auto;
    padding: 4px 14px;
    background: rgba(10, 12, 48, 0.45);
    border: 1px solid rgba(129, 140, 248, 0.2);
    border-radius: 10px;
}
#gameScreen .log-entry {
    margin: 0;
    padding: 6px 0;
    font-size: 0.95rem;
    color: #c7d2fe;
    border-bottom: 1px solid rgba(129, 140, 248, 0.12);
}
#gameScreen .log-entry.highlight { color: #fff; }

/* ---------- Game screen responsive ---------- */
@media (max-width: 1100px) {
    #gameScreen .game-header { flex-wrap: wrap; gap: 14px; }
    #gameScreen .game-info { flex: 1 1 100%; }
    #gameScreen .game-stats { flex: 1 1 auto; }
    #gameScreen .stat-item:first-child { border-left: none; padding-left: 0; }
    #gameScreen .pieces-panel-compact { flex-wrap: wrap; }
    #gameScreen .pieces-text { flex: 1 1 200px; }
    #gameScreen .pieces-pool { flex: 1 1 100%; }
    #gameScreen .setup-bg .deco-text { display: none; }
}
@media (max-width: 640px) {
    #gameScreen { padding: 10px 10px 20px; }
    #gameScreen .game-header { padding: 12px 14px !important; }
    #gameScreen .game-controls { flex: 1 1 100%; }
    #gameScreen .game-controls button { flex: 1; padding: 10px 6px !important; }
    #gameScreen .game-stats { flex: 1 1 100%; }
    #gameScreen .stat-item { padding: 0 10px; gap: 10px; }
    #gameScreen .stat-icon { width: 38px; height: 38px; }
    #gameScreen .matrices-section { padding: 30px 8px 18px; }
    #gameScreen .matrix-display { padding: 26px 8px 8px; }
    #gameScreen .matrix-label { min-width: 70px; font-size: 1.1rem; }
    #gameScreen .matrix-grid, #gameScreen .puzzle-board { --cell: clamp(34px, 11vw, 60px); gap: 5px; padding: 7px; }
    #gameScreen .matrix-grid[data-dim="3"], #gameScreen .puzzle-board[data-dim="3"] { --cell: clamp(28px, 8vw, 46px); }
    #gameScreen .matrix-grid[data-dim="4"], #gameScreen .puzzle-board[data-dim="4"],
    #gameScreen .matrix-grid[data-dim="5"], #gameScreen .puzzle-board[data-dim="5"] { --cell: clamp(24px, 6.5vw, 38px); }
    .pieces-icon { display: none; }
    #gameScreen .puzzle-piece { min-width: 62px; min-height: 56px; font-size: 1.2rem; }
    #gameScreen .pieces-pool { gap: 10px; }
    #gameScreen .pt-name { min-width: 70px; }
    #gameScreen .player-turn-item { gap: 10px; padding: 8px 10px; }
    #gameScreen .player-pieces-count { padding: 4px 10px; }
}

/* Wrapper grid (#matrixAGrid/#matrixBGrid) hanya pembungkus; frame ada di grid dalam */
#gameScreen #matrixAGrid,
#gameScreen #matrixBGrid {
    display: block;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
}

@media (max-width: 640px) {
    #gameScreen .drop-zone::before { display: none; }
}

/* =====================================================
   RESULT SCREEN REDESIGN (glassmorphism / neon)
   ===================================================== */

#resultScreen {
    --glass: rgba(22, 28, 92, 0.6);
    --glass-border: rgba(99, 140, 255, 0.5);
    --grad: linear-gradient(135deg, #6d5cff 0%, #a43cf0 55%, #ec4899 100%);
    position: relative;
    padding: 24px 20px 40px;
    background:
        radial-gradient(circle at 15% 0%, rgba(99, 102, 241, 0.38), transparent 45%),
        radial-gradient(circle at 90% 100%, rgba(168, 85, 247, 0.32), transparent 45%),
        linear-gradient(160deg, #0b0f3a 0%, #151a5c 55%, #0d1040 100%);
}
#resultScreen .setup-bg { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
#resultScreen .setup-bg .deco-eq { top: 60px; left: 3%; }
#resultScreen .setup-bg .deco-mat { top: 50px; right: 3%; }
#resultScreen .setup-bg .cube-1 { top: 22%; left: 3%; }
#resultScreen .setup-bg .cube-2 { top: 40%; right: 2%; }
#resultScreen .setup-bg .cube-3 { bottom: 12%; left: 2%; }

#resultScreen .result-container { position: relative; z-index: 1; max-width: 1000px; }

/* ---------- Header ---------- */
.result-header { text-align: center; margin-bottom: 26px; }
.result-crown { font-size: 1.8rem; line-height: 1; color: #c4b5fd; text-shadow: 0 0 16px rgba(167, 139, 250, .9); }
#resultScreen .result-title {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    font-weight: 900;
    margin: 0 0 6px;
    background: linear-gradient(90deg, #93c5fd 0%, #a78bfa 40%, #e879f9 75%, #f472b6 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 22px rgba(139, 92, 246, .6));
}
.result-subtitle { margin: 0; color: #c7d2fe; font-size: clamp(.9rem, 1.8vw, 1.15rem); }

/* ---------- Cards ---------- */
#resultScreen .result-card {
    margin-bottom: 20px;
    padding: 20px clamp(14px, 2.4vw, 28px) 24px;
    background: var(--glass);
    border: 2px solid var(--glass-border);
    border-radius: 26px;
    box-shadow: 0 0 30px rgba(59, 130, 246, .3), inset 0 0 24px rgba(79, 70, 229, .15);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.card-icon {
    flex: none; width: 52px; height: 52px; display: grid; place-items: center;
    font-size: 1.5rem; border-radius: 14px; background: var(--grad);
    box-shadow: 0 6px 20px rgba(139, 92, 246, .5);
}
#resultScreen .card-head h2 { margin: 0; text-align: left; font-size: 1.6rem; color: #fff; flex: 1; }
.success-badge {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 8px 18px; font-size: .9rem; font-weight: 700; color: #a7f3d0;
    background: rgba(16, 185, 129, .12); border: 1px solid rgba(52, 211, 153, .6);
    border-radius: 999px; box-shadow: 0 0 14px rgba(52, 211, 153, .25);
}
.success-badge .ok {
    width: 24px; height: 24px; display: grid; place-items: center;
    border-radius: 50%; background: #10b981; color: #fff; font-size: .85rem;
}

/* ---------- Final matrices ---------- */
#resultScreen .completed-display {
    padding: 22px 12px 26px;
    background: rgba(10, 14, 58, .45);
    border: 1px solid rgba(129, 140, 248, .22);
    border-radius: 18px;
}
#resultScreen .final-matrices { flex-direction: row; gap: clamp(12px, 3vw, 44px); flex-wrap: nowrap; }
#resultScreen .final-matrix { gap: 10px; }
#resultScreen .final-matrix .matrix-name { font-size: 1.35rem; font-weight: 800; color: #fff; }
#resultScreen .final-matrix .matrix-grid {
    --cell: clamp(44px, 7vw, 80px);
    display: inline-grid; gap: 8px; padding: 12px;
    grid-template-columns: repeat(2, var(--cell));
    border: 2px solid rgba(139, 92, 246, .9);
    border-radius: 14px;
    background: rgba(15, 17, 64, .55);
    box-shadow: 0 0 18px rgba(139, 92, 246, .45), inset 0 0 12px rgba(139, 92, 246, .25);
}
#resultScreen .final-matrix .matrix-grid[data-dim="3"] { --cell: clamp(36px, 5.4vw, 60px); gap: 6px; }
#resultScreen .final-matrix .matrix-grid[data-dim="4"],
#resultScreen .final-matrix .matrix-grid[data-dim="5"] { --cell: clamp(30px, 4.2vw, 48px); gap: 5px; }
#resultScreen .final-matrix .matrix-grid[data-dim] { grid-template-columns: repeat(var(--cols, 2), var(--cell)); }
#resultScreen .final-matrix .matrix-cell {
    width: var(--cell); min-height: 0; height: auto; aspect-ratio: 1;
    font-size: calc(var(--cell) * .38) !important; font-weight: 800;
    border-radius: 10px; background: rgba(12, 14, 52, .9);
    border: 1px solid rgba(129, 140, 248, .4);
}
#resultScreen .final-matrix.result .matrix-grid {
    border-color: #2dd4bf;
    box-shadow: 0 0 22px rgba(45, 212, 191, .6), inset 0 0 14px rgba(45, 212, 191, .25);
}
#resultScreen .final-matrix.result .matrix-cell { border-color: rgba(45, 212, 191, .5); }
#resultScreen .final-matrices .op {
    font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 900; margin: 0; color: #a5b4fc;
    text-shadow: 0 0 14px rgba(129, 140, 248, .8);
}

/* ---------- Stats ---------- */
#resultScreen .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
#resultScreen .stat-card {
    padding: 18px 10px 16px;
    border-radius: 16px;
    border: 1.5px solid var(--tone, #8b5cf6);
    background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(0, 0, 0, .12)), rgba(20, 22, 90, .55);
    box-shadow: 0 0 16px color-mix(in srgb, var(--tone, #8b5cf6) 40%, transparent);
}
#resultScreen .stat-card.tone-purple { --tone: #c084fc; }
#resultScreen .stat-card.tone-blue { --tone: #38bdf8; }
#resultScreen .stat-card.tone-violet { --tone: #a78bfa; }
#resultScreen .stat-card.tone-gold { --tone: #fbbf24; background: linear-gradient(180deg, rgba(251, 191, 36, .1), rgba(0, 0, 0, .15)), rgba(40, 30, 40, .55); }
#resultScreen .stat-card .stat-icon { font-size: 2.2rem; margin-bottom: 4px; }
#resultScreen .stat-card .stat-label { color: #e0e7ff; font-size: 1rem; margin-bottom: 2px; }
#resultScreen .stat-big-value { font-size: 2.3rem; color: var(--tone); text-shadow: 0 0 16px color-mix(in srgb, var(--tone) 55%, transparent); }

/* ---------- Contributions ---------- */
#resultScreen .contributions-table { gap: 10px; }
#resultScreen .contribution-row {
    display: grid;
    grid-template-columns: 90px 1fr auto auto auto;
    gap: 18px;
    padding: 14px 20px;
    border-radius: 14px;
    border: 1px solid rgba(129, 140, 248, .3);
    border-left-width: 1px;
    background: rgba(16, 22, 84, .6);
}
#resultScreen .contribution-row.best {
    background: linear-gradient(90deg, rgba(79, 70, 229, .85), rgba(168, 60, 240, .85) 60%, rgba(236, 72, 153, .8));
    border: 2px solid #fbbf24;
    box-shadow: 0 0 22px rgba(251, 191, 36, .35), 0 0 30px rgba(168, 60, 240, .35);
}
#resultScreen .contribution-rank { font-size: 1.35rem; text-align: left; color: #fff; }
#resultScreen .contribution-row.best .contribution-rank::before { content: '👑 '; font-size: 1.2rem; }
#resultScreen .contribution-name { font-size: 1.15rem; }
#resultScreen .contribution-row.best .contribution-name { color: #fff !important; }
#resultScreen .contribution-pieces,
#resultScreen .contribution-score { display: block; text-align: left; font-size: 1rem; color: #fff; white-space: nowrap; }
#resultScreen .contribution-pieces::before { content: '🧩 '; }
#resultScreen .contribution-score::before { content: '⭐ '; }
#resultScreen .contribution-score { padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, .25); }
#resultScreen .contribution-time { color: #c7d2fe; white-space: nowrap; }

/* ---------- Winner ---------- */
#resultScreen .winner-announcement {
    display: flex; align-items: center; justify-content: center; gap: clamp(16px, 5vw, 70px);
    margin: 0 0 22px;
    padding: 26px 24px;
    text-align: left;
    background: linear-gradient(135deg, rgba(79, 70, 229, .75), rgba(168, 60, 240, .6) 60%, rgba(236, 72, 153, .45));
    border: 2px solid rgba(167, 139, 250, .8);
    border-radius: 26px;
    box-shadow: 0 0 36px rgba(168, 85, 247, .5), inset 0 0 30px rgba(255, 255, 255, .06);
    position: relative; overflow: hidden;
}
#resultScreen .trophy-wrap { position: relative; flex: none; display: grid; place-items: center; width: clamp(110px, 20vw, 190px); }
#resultScreen .trophy-wrap::before {
    content: ''; position: absolute; inset: -20%;
    background: radial-gradient(circle, rgba(251, 191, 36, .55), transparent 65%);
    animation: trophyGlow 2.5s ease-in-out infinite alternate;
}
#resultScreen .trophy-icon {
    position: relative; font-size: clamp(4.5rem, 10vw, 7.5rem); line-height: 1;
    filter: drop-shadow(0 0 22px rgba(251, 191, 36, .8));
    animation: none;
}
@keyframes trophyGlow { from { opacity: .6; transform: scale(.95); } to { opacity: 1; transform: scale(1.08); } }
#resultScreen .winner-info { text-align: center; }
#resultScreen .winner-announcement h2 { margin: 0 0 4px; font-size: 1.4rem; color: #fff; }
#resultScreen .winner-name {
    font-size: clamp(2.2rem, 6vw, 3.8rem); font-weight: 900; line-height: 1.1;
    color: #fcd34d; text-shadow: 0 0 22px rgba(251, 191, 36, .55);
}
#resultScreen .winner-score {
    display: inline-block; margin-top: 12px; padding: 10px 28px;
    font-size: 1.15rem; font-weight: 700; color: #fff;
    background: rgba(15, 20, 80, .6); border: 1px solid rgba(165, 180, 252, .6);
    border-radius: 999px;
}
#resultScreen .winner-score::before { content: '🧩 '; }

/* ---------- Buttons ---------- */
#resultScreen .result-buttons { gap: 14px; }
#resultScreen .result-buttons .btn-large {
    flex: 1 1 200px; width: auto; padding: 18px 22px; font-size: 1.05rem; font-weight: 800;
    border-radius: 16px; font-family: inherit; color: #fff;
}
#resultScreen .btn-primary { background: var(--grad); box-shadow: 0 8px 28px rgba(168, 85, 247, .55); }
#resultScreen .btn-secondary {
    background: rgba(40, 48, 130, .55); border: 1px solid rgba(129, 140, 248, .55);
    box-shadow: 0 0 14px rgba(99, 102, 241, .25);
}
#resultScreen .result-buttons .btn-large:hover { transform: translateY(-2px); filter: brightness(1.15); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
    #resultScreen .stats-grid { grid-template-columns: repeat(2, 1fr); }
    #resultScreen .setup-bg .deco-text { display: none; }
    .success-badge { display: none; }
    #resultScreen .winner-announcement { flex-direction: column; gap: 6px; text-align: center; }
    #resultScreen .contribution-row { grid-template-columns: 60px 1fr auto; gap: 10px; padding: 12px 14px; }
    #resultScreen .contribution-score { grid-column: 2 / -1; padding-left: 0; border-left: 0; }
    #resultScreen .contribution-time { grid-column: 2 / -1; }
}
@media (max-width: 480px) {
    #resultScreen { padding: 16px 10px 30px; }
    #resultScreen .final-matrices { flex-direction: row; gap: 8px; }
    #resultScreen .final-matrix .matrix-grid { --cell: clamp(26px, 8.5vw, 40px); gap: 4px; padding: 7px; }
    #resultScreen .final-matrix .matrix-grid[data-dim="3"] { --cell: clamp(20px, 6vw, 30px); }
    #resultScreen .final-matrix .matrix-grid[data-dim="4"], #resultScreen .final-matrix .matrix-grid[data-dim="5"] { --cell: clamp(16px, 4.6vw, 24px); }
    #resultScreen .stat-big-value { font-size: 1.7rem; }
}

/* Race / Kooperatif: baris pemain bisa diklik untuk memilih pemain aktif */
#gameScreen .players-turn-list.selectable .player-turn-item { cursor: pointer; }
#gameScreen .players-turn-list.selectable .player-turn-item:not(.active):hover {
    background: rgba(79, 70, 229, 0.25);
    border-color: rgba(129, 140, 248, 0.5);
}

/* Kartu ukuran 'Acak' */
#setupScreen .size-btn .opt-icon.icon-dice { font-size: 1.7rem; }


/* =====================================================
   SOLO (1 pemain)
   ===================================================== */

#setupScreen .solo-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
#setupScreen .solo-btn .bs-text { margin: 0; }
#setupScreen .solo-best {
    margin: 12px 4px 0;
    font-size: 0.95rem;
    color: #c7d2fe;
}
#setupScreen .setting-group.is-disabled {
    opacity: 0.4;
    pointer-events: none;
    filter: grayscale(0.6);
}

/* Header game: nyawa hanya tampil di Tantangan solo */
#gameScreen .stat-lives { display: none; }
#gameScreen.has-lives .stat-lives { display: flex; }
#gameScreen .stat-lives .stat-value {
    background: none;
    -webkit-text-fill-color: initial;
    font-size: 1.3rem;
    letter-spacing: 2px;
}
#gameScreen.is-solo .players-turn-list { display: none; }
#gameScreen .game-controls button:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

@media (max-width: 640px) {
    #setupScreen .solo-buttons { grid-template-columns: 1fr; }
    #gameScreen .stat-lives .stat-value { font-size: 1.05rem; letter-spacing: 0; }
}

/* Header: statistik tidak boleh membungkus teks (nyawa/hati jadi bertumpuk) */
#gameScreen .stat-item { white-space: nowrap; }
#gameScreen.has-lives .game-stats .stat-item { padding: 0 14px; }
#gameScreen.has-lives .game-info { flex: 1.1; }