/* 基本スタイル */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #1a1a1a;
    color: #fff;
    overflow: hidden;
}

/* コンテナスタイル */
.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ツールバー */
.toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    padding: 8px;
    background-color: #2a2a2a;
    border-bottom: 1px solid #3a3a3a;
    gap: 8px;
}

.toolbar button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px 10px;
    background-color: #3a3a3a;
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    min-width: 36px;
    height: 36px;
}

.toolbar button:hover {
    background-color: #4a4a4a;
}

.toolbar button.primary {
    background-color: #0066cc;
}

.toolbar .spacer {
    margin: 0 5px;
    color: #555;
}

.toolbar select {
    padding: 4px;
    background-color: #3a3a3a;
    color: #fff;
    border: none;
    border-radius: 4px;
}

/* ピアノロールエリア */
.piano-roll-area {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ピアノキー */
.piano-keys {
    width: 80px;
    overflow-y: scroll;
    background-color: #222;
    border-right: 1px solid #444;
    margin-top: 24px; /* 小節番号の高さ分マージンを追加 */
}

.piano-key {
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    box-sizing: border-box;
    border-bottom: 1px solid #333;
    font-size: 12px;
}

.piano-key.white {
    background-color: #333;
}

.piano-key.black {
    background-color: #222;
}

/* グリッドエリア */
.grid-area {
    flex: 1;
    overflow: auto;
    position: relative;
}

/* グリッド */
.grid {
    position: relative;
    height: 10000px; /* 十分な高さを確保 */
    width: 5000px; /* 十分な幅を確保 */
}

.grid-row {
    position: absolute;
    left: 0;
    right: 0;
    height: 24px;
    border-bottom: 1px solid #333;
}

.grid-row.white {
    background-color: #2a2a2a;
}

.grid-row.black {
    background-color: #262626;
}

/* ノート */
.note {
    position: absolute;
    height: 20px;
    background-color: #0077ee;
    border: 1px solid #0055cc;
    border-radius: 3px;
    z-index: 10;
    cursor: pointer;
    padding-left: 5px;
    display: flex;
    align-items: center;
    font-size: 11px;
    color: #fff;
}

.note.selected {
    border: 2px solid #ffcc00;
    box-shadow: 0 0 5px rgba(255, 204, 0, 0.7);
}

.note.overlapping {
    background-color: #ff5555;
    border: 1px solid #dd3333;
}

/* 小節番号表示 */
.bar-numbers {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: 24px;
    background-color: rgba(40, 40, 40, 0.9);
    z-index: 20;
    border-bottom: 1px solid #3a3a3a;
    overflow: hidden;
}

.bar-number {
    position: absolute;
    top: 0;
    height: 24px;
    line-height: 24px;
    font-size: 11px;
    color: #ccc;
    padding-left: 5px;
    user-select: none;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.control-group-title {
    font-size: 12px;
    color: #aaa;
    margin-bottom: 2px;
}

.button-row {
    display: flex;
    gap: 4px;
}

.control-button {
    width: 40px;
    height: 40px;
    background-color: #444;
    border: none;
    border-radius: 4px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    user-select: none;
}

.grid-button {
    width: auto;
    min-width: 50px;
    padding: 0 8px;
}

.active {
    background-color: #0066cc;
}

/* プレイバック関連 */
.playback-controls {
    display: flex;
    gap: 5px;
}

.playback-controls button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.tempo-control {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 再生カーソル */
.playback-cursor {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #ff0000;
    z-index: 15;
    pointer-events: none;
}

/* Volume Control */
.volume-control {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
}

#volume-slider {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #444;
    border-radius: 3px;
    outline: none;
}

#volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: #0066cc;
    border-radius: 50%;
    cursor: pointer;
}

#volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: #0066cc;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

#volume-percent {
    width: 35px;
    font-size: 12px;
}

/* ボタン無効化スタイル */
button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* モバイル操作パネル */
.control-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: rgba(40, 40, 40, 0.9);
    border-radius: 8px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1000;
    max-height: 50vh;
    overflow-y: auto;
    max-width: 90vw;
}

/* インライン歌詞エディタ */
.inline-lyric-editor {
    position: absolute;
    top: -30px;
    left: 0;
    width: 100%;
    background-color: rgba(40, 40, 40, 0.9);
    border-radius: 4px;
    padding: 5px;
    z-index: 100;
}

.inline-lyric-editor input {
    width: 100%;
    background-color: #333;
    color: white;
    border: 1px solid #555;
    border-radius: 3px;
    padding: 3px 5px;
    font-size: 12px;
}