:root {
    --bg-color: #121212;
    --panel-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --accent-color: #007acc;
    --accent-hover: #005fa3;
    --border-color: #333;
    --input-bg: #2d2d2d;
    --item-bg: rgba(255, 255, 255, 0.08);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: var(--panel-bg);
    padding: 0.8rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    z-index: 10;
}

h1 {
    margin: 0;
    font-size: 1.2rem;
    color: #fff;
    font-weight: 600;
}

.header-controls {
    display: flex;
    gap: 10px;
}

button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

button:hover {
    background-color: var(--accent-hover);
}

button:active {
    transform: translateY(1px);
}

button.secondary {
    background-color: #444;
}

button.secondary:hover {
    background-color: #555;
}

button#openVisualizer {
    background-color: #008CBA;
    font-weight: bold;
}

button#openVisualizer:hover {
    background-color: #007399;
}

button#toggleSound {
    min-width: 100px;
    justify-content: center;
}

main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.main-content {
    flex: 1;
    padding: 15px;
    display: flex;
    flex-direction: column;
    background-color: #000;
    overflow-y: auto;
    /* 縦スクロール許可 */
    gap: 15px;
}

/* 動画ラッパー（オーバーレイ重ね合わせ） */
.video-wrapper {
    position: relative;
    width: 100%;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    background-color: #000;
    line-height: 0;
}

video {
    width: 100%;
    max-width: 100%;
    max-height: 40vh;
    display: block;
    background-color: #000;
}

/* スキャン範囲・HP位置オーバーレイ */
/* canvas共通ルール（background:#000, border, width:100%）を上書きする */
#overlayCanvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    background: transparent;
    border: none;
    box-shadow: none;
    width: auto;
    height: auto;
    margin: 0;
}

/* ビデオ上のトグルボタン（ディムON/OFF） */
.overlay-toggle-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.60);
    color: #bbb;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: normal;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: none;
    transition: background-color 0.15s, color 0.15s;
}

.overlay-toggle-btn:hover {
    background-color: rgba(50, 50, 50, 0.80);
    color: #fff;
}

.overlay-toggle-btn.dim-on {
    color: #7dd;
    border-color: rgba(100, 220, 220, 0.35);
}

.config-overlay {
    background-color: var(--panel-bg);
    padding: 15px 25px;
    border-radius: 8px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: flex-end;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

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

.config-group label {
    font-size: 0.8rem;
    color: #aaa;
    font-weight: bold;
}

.input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="number"],
select {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: white;
    padding: 6px;
    border-radius: 4px;
    width: 70px;
    font-family: monospace;
}

input[type="range"] {
    width: 120px;
    cursor: pointer;
}

/* バフ設定 グループヘッダー */
.buff-group-header {
    display: flex;
    align-items: center;
    padding: 5px 2px 3px;
    border-bottom: 1px solid #444;
    margin-bottom: 4px;
}

.buff-group-label {
    font-size: 0.78rem;
    font-weight: bold;
    color: #888;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* バフ設定エリア */
.buff-config-panel {
    background-color: var(--panel-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.buff-config-panel h3 {
    margin: 0 0 10px 0;
    font-size: 1rem;
    color: #ddd;
    border-bottom: 1px solid #555;
    padding-bottom: 5px;
}

.buff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
}

.buff-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--item-bg);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}

.buff-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar {
    width: 400px;
    background-color: var(--panel-bg);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 15px;
    gap: 15px;
    overflow-y: auto;
    box-shadow: -4px 0 10px rgba(0, 0, 0, 0.2);
}

.panel-section {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.panel-section h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
    color: #ccc;
}

canvas {
    background-color: #000;
    border: 1px solid #555;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

textarea {
    width: 100%;
    height: 100px;
    background-color: #111;
    color: #0f0;
    border: 1px solid var(--border-color);
    padding: 8px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    resize: vertical;
    box-sizing: border-box;
    border-radius: 4px;
}

.status-bar {
    padding: 5px 15px;
    background-color: var(--accent-color);
    font-size: 0.8rem;
    color: white;
    font-weight: bold;
    text-align: center;
}

/* ─── 詳細設定（折りたたみ） ─────────────────────────────────────────────── */
.advanced-settings {
    width: 100%;
}

.advanced-settings summary {
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: bold;
    color: #aaa;
    padding: 4px 2px;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.advanced-settings summary::-webkit-details-marker {
    display: none;
}

.advanced-settings summary::before {
    content: "▶";
    font-size: 0.65rem;
    transition: transform 0.2s;
    display: inline-block;
}

.advanced-settings[open] summary::before {
    transform: rotate(90deg);
}

.advanced-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px dashed #444;
}

/* パラメータ値表示 */
.param-value {
    font-family: monospace;
    color: #7dd;
    font-weight: bold;
    font-size: 0.95em;
}

.param-hint {
    color: #888;
    font-weight: normal;
    font-size: 0.78em;
}

/* ─── スキャン帯の凡例 ────────────────────────────────────────────────────── */
.strip-legend {
    font-size: 0.72rem;
    font-weight: normal;
    margin-left: 8px;
}

.legend-p2 {
    color: rgba(0, 255, 150, 0.85);
    margin-right: 6px;
}

.legend-p1 {
    color: rgba(100, 180, 255, 0.85);
}