:root {
    --bg-color: #0d3b1f; /* Classic casino green */
    --accent-color: #d4af37; /* Gold */
    --card-bg: #ffffff;
    --card-back: #1a1a1a;
    --text-light: #f4f4f4;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-light);
    display: flex;
    justify-content: center;
    overflow-x: hidden;
}

#game-wrapper {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Top Bar Controls */
#top-bar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.control-btn {
    background: rgba(0, 0, 0, 0.6);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 8px 15px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

.control-btn:hover {
    background: var(--accent-color);
    color: #111;
}

header h1 {
    color: var(--accent-color);
    margin-top: 0;
    margin-bottom: 5px;
}

#message-board {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    border: 1px solid var(--accent-color);
    width: 100%;
    max-width: 600px;
}

.hidden {
    display: none !important;
}

/* Presentation Area */
#presentation-area {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
    perspective: 1000px;
}

/* Play Area (Portrait / Default) */
#play-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    width: 100%;
}

.player-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.zone-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 10px;
}

.zone-header h2 {
    margin: 0;
}

.running-score {
    background: rgba(0, 0, 0, 0.5);
    padding: 5px 12px;
    border-radius: 6px;
    font-weight: bold;
    border: 1px solid #555;
    font-size: 1.1rem;
}

.center-zone {
    display: flex;
    gap: 50px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
}

.deck-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

/* Grid & Fixed Cells */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 80px);
    grid-template-rows: repeat(3, 112px);
    gap: 10px;
}

.grid-cell {
    width: 80px;
    height: 112px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.1); 
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s;
}

/* Drag & Drop / Tap Visuals */
.drop-zone {
    position: relative;
    min-width: 80px;
    min-height: 112px;
}

.drop-zone.drag-over {
    background-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 0 10px 2px var(--accent-color);
    border-radius: 6px;
}

.draggable {
    cursor: grab;
}

.draggable:active {
    cursor: grabbing;
}

.selected {
    outline: 3px solid #00ff00;
    box-shadow: 0 0 15px 5px rgba(0, 255, 0, 0.6);
    transform: translateY(-5px);
    z-index: 10;
}

/* Card Styling */
.card {
    width: 80px;
    height: 112px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.4s ease-in-out;
    border-radius: 6px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    user-select: none;
}

.card.is-flipped {
    transform: rotateY(180deg);
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    border: 1px solid #ccc;
    pointer-events: none; 
}

.card-front {
    background-color: var(--card-bg);
    transform: rotateY(180deg);
}

.card-back {
    background-color: var(--card-back);
    background-image: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.1) 10px, rgba(255,255,255,0.1) 20px);
}

.card.red .card-front { color: #d93838; }
.card.black .card-front { color: #222; }

/* Modal Styling */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-color);
    border: 3px solid var(--accent-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    color: white;
    width: 320px;
}

.modal-content h2 { color: var(--accent-color); margin-top: 0; }
.score-display { margin: 20px 0; font-size: 1.2rem; }
.action-btn {
    background: var(--accent-color);
    color: #111;
    border: none;
    padding: 10px 20px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 6px;
    margin-top: 15px;
}
.action-btn:hover { background: #e8c655; }

/* Interactive States */
.shuffling { animation: shuffleMove 0.5s infinite alternate ease-in-out; }
@keyframes shuffleMove {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(calc(-50px + 100vw * 0.1 * var(--rx)), calc(-50px + 100vh * 0.1 * var(--ry))) rotate(calc(360deg * var(--rr))); }
}
.selectable { box-shadow: 0 0 15px 5px var(--accent-color); transform: translateY(-5px); cursor: pointer; }
.clickable-card { cursor: pointer; }
.clickable-card:hover { box-shadow: 0 0 10px 3px rgba(255, 255, 255, 0.5); transform: translateY(-3px); }
.collapsed { visibility: hidden; }

/* Landscape Layout */
@media (orientation: landscape) {
    #play-area {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
    
    .center-zone {
        flex-direction: column;
        gap: 30px;
    }
}