:root {
    --bg-blue: #4facfe;
    --grid-bg: rgba(255, 255, 255, 0.2);
    --block-border: rgba(0, 0, 0, 0.1);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to bottom, #4facfe 0%, #00f2fe 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.game-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 20px;
    box-sizing: border-box;
}

/* تصميم قوس القزح والغيوم */
.rainbow {
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    height: 150px;
    background: radial-gradient(circle at 50% 100%, transparent 40%, #ff4e50 45%, #f9d423 50%, #86e3ce 55%, #4facfe 60%);
    opacity: 0.6;
    z-index: 0;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    margin-bottom: 20px;
}

.score-container {
    color: #ff69b4;
    font-size: 2.5rem;
    font-weight: bold;
    text-shadow: 2px 2px #fff;
}

.grid-board {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(10, 1fr);
    gap: 4px;
    background: var(--grid-bg);
    padding: 10px;
    border-radius: 15px;
    border: 5px solid rgba(255, 255, 255, 0.5);
    aspect-ratio: 1 / 1;
    z-index: 10;
}

.cell {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.1);
}

.cell.occupied {
    box-shadow: 0 4px 0 rgba(0,0,0,0.2);
}

/* ألوان الكتل */
.color-orange { background: #ff9f43; border: 2px solid #ee5253; }
.color-purple { background: #a29bfe; border: 2px solid #6c5ce7; }
.color-green { background: #55efc4; border: 2px solid #00b894; }

.pieces-tray {
    margin-top: 30px;
    display: flex;
    justify-content: space-around;
    height: 120px;
    z-index: 10;
}

.draggable-piece {
    cursor: grab;
    display: grid;
    gap: 2px;
}