/* 全体レイアウト */
html, body {
    height: auto;
    min-height: 100dvh;
    padding: 0;
    margin: 0;
    background: #1a1a1a;
    color: white;
    font-family: sans-serif;
}

.main-wrapper {
    display: flex;
    min-height: 100dvh;
    flex-direction: column;
    transition: height 0.3s ease;
}
.main-wrapper:has(.pool-wrapper.closed) {
    height: auto;
}

/* ランクエリア：ここがスクロールする */
.tier-container {
    flex: 1 auto;
    overflow-y: auto;
    padding: 10px;
    -webkit-overflow-scrolling: touch; 
}
.main-wrapper:has(.pool-wrapper.closed) .tier-container {
    max-height: none;   
    overflow-y: visible;
}
/* poolの引き出し */
.pool-wrapper {
    display: flex;
    flex-direction: column;
    background: #333;
    border-top: 2px solid #555;
    z-index: 1000;
    transition: all 0.3s ease;
    flex-shrink: 0;
}
.pool-wrapper.closed {
    border-top: none;
}
/* 開閉 */
#toggle-btn {
    width: 100%;
    height: 60px; 
    background: #444;
    color: #ffeb3b;
    border: none;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* pool本体 */
.pool {
    height: 35dvh;
    overflow-y: auto;
    display: flex;
    flex-wrap: wrap;
    padding: 10px;
    transition: height 0.3s ease;
    background: #222;
}
.pool-wrapper.closed .pool {
    height: 0;
    padding: 0;
}

/* アイコンサイズ調整 */
.item {
    width: 130px;
    height: auto;
    margin: 0px;
    cursor: grab;
    flex-shrink: 0;
    background: none;
}

/* 画面幅が600px以下の時だけ適用 */
@media (max-width: 600px) {
    .drop-area {
        flex-wrap: nowrap !important;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    .label {
        width: 40px;
        font-size: 16px;
    }
    .row {
        min-height: auto; 
    }   
    .pool {
        height: 40dvh; 
    }
    .drop-area {
        min-height: 44px;
    }
    .pool::-webkit-scrollbar,
    .tier-container::-webkit-scrollbar {
     width: 8px;
     height: 8px;
    }
    .pool::-webkit-scrollbar-track,
    .tier-container::-webkit-scrollbar-track {
        background: #222; 
        border-radius: 10px;
    }
    .pool::-webkit-scrollbar-thumb,
    .tier-container::-webkit-scrollbar-thumb {
        background: #555;
        border-radius: 10px;
        border: 2px solid #222;
    }
    .pool::-webkit-scrollbar-thumb:hover,
    .tier-container::-webkit-scrollbar-thumb:active {
        background: #ffeb3b;
    }
    .pool, .tier-container {
        scrollbar-width: thin;   
        scrollbar-color: #555 #222; 
    }
}

.item img { width: 100%; height:auto; display: block; pointer-events: none; }

.row {
    position: relative;
    display: flex;
    border-bottom: 1px solid #333;
    min-height: auto;
    justify-content: space-between; 
    align-items: stretch;
}
.label { width: 80px; display: flex; flex-shrink: 0; align-items: center; justify-content: center; font-weight: bold; font-size: 20px; color: #000; }

.drop-area { flex-grow: 1; flex-shrink: 1; display: flex; flex-wrap: wrap; padding: 2px; background: #222; min-height: 80px; }

.label:focus {
    outline: 2px solid #ffeb3b;
    background: #444 !important;
    color: #fff !important;
}
/* ランクの色 */
.s { background: #ff7f7f; }
.a { background: #ffbf7f; }
.b { background: #ffff7f; }
#status-msg { color: #ffeb3b; padding: 5px; font-size: 12px; background: #000; }

.row-controls {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: #333;
    padding: 5px;
    gap: 5px;
    justify-content: center;
    border-left: 1px solid #444;
    width: 30px;
}
.color-picker { padding: 0; width: 30px; height: 30px; border: none; cursor: pointer; background: none; }
.del-row-btn, .move-row-handle { background: #444; color: white; border: 1px solid #555; cursor: pointer; width: 30px; height: 30px; border-radius: 4px; font-weight: bold; display: flex; align-items: center; justify-content: center; }
.del-row-btn { background: #600; border: none; }
.del-row-btn:hover { background: #f00; }
.move-row-handle { cursor: move; background: #555; color: #ffeb3b; }