/* TETRIS SPECIFIC STYLES */

.game-viewport {
    background: #0a0a1a;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

#game-ui {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 600px;
}

/* HUD */
#hud-top {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 450px;
    background: rgba(0, 0, 0, 0.4);
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hud-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.hud-label {
    font-size: 0.8rem;
    color: #94a3b8;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

#score-display, #level-display, #lines-display, #best-display {
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    font-family: 'Outfit', sans-serif;
}

.highlight-text {
    color: #f5a623 !important;
    text-shadow: 0 0 10px rgba(245, 166, 35, 0.5);
}

/* Main Area */
#main-area {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

canvas {
    background: #000;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8), 0 0 20px rgba(6, 182, 212, 0.2);
}

/* Side Panel */
#side-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-box {
    background: rgba(0, 0, 0, 0.4);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.controls-hint {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 12px;
    font-size: 0.9rem;
    color: #cbd5e1;
    line-height: 1.6;
}

.controls-hint p {
    margin: 4px 0;
}

/* Overlay */
.overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: 16px;
    transition: opacity 0.3s ease;
}

.overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    max-width: 90%;
}

.overlay-content h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, #a855f7, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.overlay-content p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 25px;
}

.primary-btn {
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: 'Outfit', sans-serif;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(236, 72, 153, 0.4);
}

/* Mobile Controls */
#mobile-controls {
    display: none; /* hidden on desktop */
}

.m-btn {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    width: 65px;
    height: 65px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.m-btn:active {
    background: rgba(255,255,255,0.25);
    transform: scale(0.95);
}

.m-col {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.drop-btn {
    width: 75px;
    height: 75px;
    font-size: 1.8rem;
    background: rgba(245, 166, 35, 0.2);
    border-color: rgba(245, 166, 35, 0.5);
    color: #f5a623;
}

.drop-btn:active {
    background: rgba(245, 166, 35, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    #main-area {
        flex-direction: row;
        align-items: flex-start;
        justify-content: center;
        gap: 15px;
    }
    
    #right-column {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    #side-panel {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .side-box {
        padding: 10px;
    }
    
    .controls-hint {
        display: none;
    }
    
    #mobile-controls {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 5px;
        margin-top: 5px;
    }
    
    .m-pad-row {
        display: flex;
        gap: 8px;
        justify-content: center;
    }
    
    #tetris-board {
        /* JS dynamic sizing handles this now */
    }
    
    #next-piece {
        width: 60px;
        height: 60px;
    }
    
    .game-viewport {
        padding: 10px;
        margin-bottom: 10px;
    }
    
    .m-btn {
        width: 55px;
        height: 55px;
        font-size: 1.2rem;
    }
    
    .drop-btn {
        width: 65px;
        height: 65px;
        font-size: 1.5rem;
    }
    
    #mobile-controls {
        gap: 5px;
        margin-top: 5px;
    }
    
    .m-col {
        gap: 10px;
    }
    
    #game-ui {
        gap: 10px;
    }
}