:root {
    --bg-dark: #0f172a;
    --panel-bg: #1e293b;
    --primary: #3b82f6;
    --danger: #ef4444;
    --accent: #f59e0b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --card-w: clamp(40px, 12vw, 75px);
    --card-h: clamp(55px, 14vh, 110px); 
    --max-game-width: 800px;
}

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 30px 30px;
    color: var(--text-main);
    margin: 0;
    height: 100dvh;
    max-height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.player-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1vh 0;
    transition: opacity 0.3s, background 0.3s;
    width: 100%;
    min-height: 0;
}

.player-area.p1.active { background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 60%); }
.player-area.p2.active { background: radial-gradient(ellipse at center, rgba(239, 68, 68, 0.15) 0%, transparent 60%); }
.player-area.inactive { opacity: 0.3; pointer-events: none; filter: grayscale(0.8); }

.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    margin: 0 auto 1vh auto;
    width: 100%;
    max-width: var(--max-game-width);
    box-sizing: border-box;
    font-size: clamp(0.9rem, 2vh, 1.1rem);
    font-weight: 800;
}

.score-badge {
    background: rgba(0,0,0,0.4);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--accent);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hand-container {
    display: flex;
    gap: 8px;
    padding: 5px 20px;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    align-items: center;
    width: 100%;
    max-width: var(--max-game-width);
    margin: 0 auto;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .hand-container { justify-content: center; overflow-x: visible; }
}

.hand-container::-webkit-scrollbar { display: none; }
.hand-container { -ms-overflow-style: none; scrollbar-width: none; }

.card {
    width: var(--card-w);
    height: var(--card-h);
    background: linear-gradient(135deg, #ffffff, #f3f4f6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.5rem, 4vh, 2.5rem);
    font-weight: 800;
    color: #0f172a;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.4), inset 0 2px 0 #fff;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s, border 0.2s;
    flex-shrink: 0;
    position: relative;
    border: 2px solid transparent;
}

.player-area.p1 .card { border-bottom: 4px solid var(--primary); }
.player-area.p2 .card { border-bottom: 4px solid var(--danger); }
.card:hover { transform: translateY(-5px); }
.card.selected {
    transform: translateY(-10px) scale(1.1);
    border-color: var(--accent);
    box-shadow: 0 10px 20px rgba(245, 158, 11, 0.4), inset 0 2px 0 #fff;
    z-index: 10;
}

.corner-letter {
    position: absolute;
    top: 4px; left: 4px;
    font-size: clamp(0.55rem, 1.5vh, 0.75rem);
    color: #475569;
    background: #e2e8f0;
    width: clamp(16px, 3vh, 22px); 
    height: clamp(16px, 3vh, 22px);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid #cbd5e1;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.game-center {
    flex: 1.5;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 0 40px rgba(0,0,0,0.6);
    z-index: 10;
    padding: 1.5vh 0;
    min-height: 0;
}

#gameMessage {
    font-size: clamp(1rem, 2.5vh, 1.3rem);
    height: clamp(20px, 3.5vh, 30px);
    color: var(--accent);
    font-weight: 800;
    margin-bottom: 1vh;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.board-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(10px, 3vw, 30px);
    width: 100%;
    max-width: var(--max-game-width);
}

.deck-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.draw-pile {
    width: calc(var(--card-w) * 0.85);
    height: calc(var(--card-h) * 0.85);
    background: repeating-linear-gradient(135deg, #334155, #334155 6px, #475569 6px, #475569 12px);
    border-radius: 8px;
    border: 2px solid #94a3b8;
    display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 800; font-size: clamp(1rem, 3vh, 1.5rem);
    box-shadow: 3px 3px 0 #0f172a;
    cursor: pointer;
    transition: transform 0.1s;
}
.draw-pile:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 #0f172a; }

.word-container {
    display: flex;
    gap: clamp(5px, 1.5vw, 15px);
}

.letter-slot {
    width: clamp(50px, 15vw, 90px);
    height: clamp(50px, 12vh, 90px);
    background: linear-gradient(to bottom, #334155, #1e293b);
    color: white;
    font-size: clamp(2rem, 5vh, 3.5rem);
    font-weight: 800;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.1), 0 4px 10px rgba(0,0,0,0.5);
    border: 1px solid #475569;
    cursor: pointer;
    transition: transform 0.1s, background 0.2s;
    text-shadow: 0 3px 6px rgba(0,0,0,0.5);
}
.letter-slot:hover { background: #3b82f6; border-color: #60a5fa; }
.letter-slot:active { transform: scale(0.92); }

.controls {
    display: flex;
    gap: 10px;
    margin-top: 2vh;
}

.btn {
    padding: clamp(8px, 1.5vh, 12px) 25px;
    border: none;
    border-radius: 30px;
    font-family: 'Tajawal';
    font-weight: 800;
    font-size: clamp(0.85rem, 2vh, 1rem);
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 0 rgba(0,0,0,0.3);
    transition: transform 0.1s, box-shadow 0.1s;
}
.btn:active { transform: translateY(4px); box-shadow: none; }
.btn-skip { background: linear-gradient(to bottom, #f87171, #dc2626); box-shadow: 0 4px 0 #991b1b; }
.btn-restart { background: linear-gradient(to bottom, #34d399, #059669); box-shadow: 0 4px 0 #064e3b; }

#history-log {
    font-size: clamp(0.7rem, 1.5vh, 0.85rem);
    color: var(--text-muted);
    margin-top: 1.5vh;
    background: rgba(0,0,0,0.3);
    padding: 4px 15px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.05);
}

.hint-text {
    font-size: clamp(0.7rem, 1.5vh, 0.85rem);
    color: var(--text-muted);
    text-align: center;
    margin-top: -5px;
    margin-bottom: 1vh;
    opacity: 0.8;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px) rotate(-2deg); }
    75% { transform: translateX(8px) rotate(2deg); }
}
.shake { 
    animation: shake 0.3s cubic-bezier(.36,.07,.19,.97); 
    border-color: var(--danger); 
    background: rgba(239, 68, 68, 0.3) !important; 
}