:root {
    --bg-dark: #0a0e14;
    --card-bg: #161b22;
    --accent-gold: #d4af37;
    --accent-blue: #0070f3;
    --text-main: #e6edf3;
    --text-muted: #8b949e;
    --border-color: rgba(212, 175, 55, 0.2);
    --btn-buy: #238636;
    --btn-sell: #da3633;
    --btn-saw: #1f6feb;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
    line-height: 1.4;
    font-size: 13px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 10px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;
    align-items: start;
}

/* モバイル対応：600px以下は1カラムにスタック */
@media (max-width: 600px) {
    .main-layout {
        display: flex;
        flex-direction: column-reverse; /* 相場一覧を上に、報告フォームを下へ */
        gap: 30px;
    }
    
    .stats-section, .wizard-section {
        width: 100%;
    }

    .item-group {
        grid-template-columns: 1fr 1fr; /* モバイルでもボタンは2列程度に */
    }
}

.stats-section {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    padding: 15px;
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--accent-gold);
    padding-left: 10px;
}

.period-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

@media (max-width: 600px) {
    .page-header {
        justify-content: center;
        text-align: center;
    }
    .period-nav {
        width: 100%;
        justify-content: space-between;
        margin-top: 5px;
    }
}

.btn-nav {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--accent-gold);
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
}

/* 統計カード */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr; /* スマホでは2列固定 */
        gap: 8px;
    }
    
    .item-card {
        padding: 10px 8px;
        min-width: 0; /* スマホでは親の幅に従う */
    }

    .item-name {
        font-size: 0.75rem;
    }
}

/* 超小型画面（320px以下）への対応 */
@media (max-width: 320px) {
    .stats-grid {
        grid-template-columns: 1fr; /* 320pxでは1列にして文字を横に広く使う */
    }
}

.item-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    flex-direction: column;
    gap: 5px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.item-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-gold);
}

.card-saw-only {
    background: rgba(31, 111, 235, 0.05); /* わずかに青み */
    border: 1px solid rgba(31, 111, 235, 0.2);
}

.card-saw-only:hover {
    border-color: var(--btn-saw);
}

.card-unconfirmed {
    background: rgba(243, 156, 18, 0.05); /* わずかに警告のオレンジ・黄色み */
    border: 1px solid rgba(243, 156, 18, 0.25);
}

.card-unconfirmed:hover {
    border-color: #f39c12;
}

.item-name {
    font-weight: bold;
    color: var(--accent-gold);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 25px;
}

.reliability {
    position: absolute;
    top: 10px;
    right: 8px;
    font-size: 0.75rem;
}

.price-box {
    margin-top: auto;
}

.avg-price {
    font-size: 1rem;
    font-weight: 700;
}

.range-price {
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* 報告セクション (スクショの見た目を再現) */
.report-section {
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 12px;
    padding: 20px;
    margin-top: 30px;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.report-title {
    color: var(--accent-gold);
    font-size: 1.1rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.guide-text {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 15px;
}

.wizard-step {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* アイテム選択行 (武器が縦軸、01/12が横軸) */
.item-group {
    display: grid;
    grid-template-columns: 75px 1fr 1fr; /* ラベル 0→1 1→2 */
    gap: 4px;
    align-items: center;
    background: rgba(255,255,255,0.03);
    padding: 3px;
    border-radius: 4px;
    margin-bottom: 2px;
}

.item-group-label {
    font-size: 0.7rem;
    color: var(--accent-gold);
    text-align: left;
    padding-left: 5px;
    font-weight: bold;
}

.btn-item {
    background: #21262d;
    border: 1px solid #30363d;
    color: white;
    padding: 6px 2px;
    border-radius: 3px;
    font-size: 0.75rem;
    text-align: center;
    cursor: pointer;
    width: 100%;
}

.btn-item:active { background: var(--accent-gold); color: black; }

.btn-action {
    padding: 15px;
    font-weight: bold;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
}

.btn-buy { background: var(--btn-buy); }
.btn-sell { background: var(--btn-sell); }
.btn-saw { background: var(--btn-saw); }

.price-input-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-field {
    width: 100%;
    padding: 12px;
    background: #0d1117;
    border: 1px solid #30363d;
    color: white;
    font-size: 1.1rem;
    border-radius: 8px;
    text-align: center;
}

/* モーダル表示中は背景を固定 */
body.modal-open {
    overflow: hidden;
}

.description-area {
    margin-top: 20px;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.description-area summary {
    padding: 12px 15px;
    cursor: pointer;
    font-weight: bold;
    color: var(--accent-gold);
    list-style: none; /* デフォルトの矢印を消す */
    outline: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.description-area summary::after {
    content: '\f078'; /* font-awesome chevron-down */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    font-size: 0.7rem;
    transition: transform 0.3s;
}

.description-area[open] summary::after {
    transform: rotate(180deg);
}

.description-area summary:hover {
    background: rgba(212, 175, 55, 0.05);
}

.description-area > div {
    padding: 0 15px 15px 15px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    justify-content: center;
    align-items: flex-start; /* Start from top to allow scrolling */
    z-index: 9999;
    padding: 20px 10px; /* Space around the modal */
    overflow-y: auto; /* Allow scrolling the whole overlay */
    -webkit-overflow-scrolling: touch;
}
.modal-content {
    background: linear-gradient(135deg, #1a1f2c 0%, #12151f 100%);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    padding: 25px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    margin: auto; /* Center horizontally */
}
#close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: background 0.2s;
}
#close-modal:hover {
    background: rgba(255,255,255,0.2);
}
@media (max-width: 480px) {
    .modal-content {
        padding: 20px 15px;
        border-radius: 12px;
    }
}

.detail-table {
    width: 100%;
    margin-top: 15px;
    border-collapse: collapse;
}

.detail-table th, .detail-table td {
    padding: 10px 5px;
    border-bottom: 1px solid #30363d;
    text-align: left;
}

.detail-table th { color: var(--text-muted); font-weight: normal; font-size: 0.75rem; }
.detail-table td { font-weight: bold; font-size: 1rem; }

/* 320px対応 */
@media (max-width: 350px) {
    .btn-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 鮮度バッジ（Hot! / New! / Recent） ===== */
.fresh-badge {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    letter-spacing: 0.05em;
    line-height: 1.4;
    margin-top: -2px;
    /* カード左端に揃えるよう幅は自動 */
    align-self: flex-start;
}

/* 🔥 Hot!（12h以内）：赤・脈動アニメーション */
.fresh-badge--hot {
    background: rgba(220, 50, 50, 0.15);
    border: 1px solid rgba(220, 50, 50, 0.5);
    color: #ff6b6b;
    animation: pulse-hot 1.8s ease-in-out infinite;
}

@keyframes pulse-hot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(220, 50, 50, 0.4); }
    50%       { box-shadow: 0 0 0 4px rgba(220, 50, 50, 0); }
}

/* ✨ New!（24h以内）：金色 */
.fresh-badge--new {
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.45);
    color: #f0c040;
}

/* 📍 Recent（48h以内）：水色 */
.fresh-badge--recent {
    background: rgba(77, 200, 255, 0.08);
    border: 1px solid rgba(77, 200, 255, 0.3);
    color: #7dd3fc;
}

/* ===== チャートへの誘導CTA ===== */
.chart-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 6px;
    padding: 5px 6px;
    border-top: 1px solid rgba(77, 240, 255, 0.12);
    font-size: 0.58rem;
    color: rgba(77, 240, 255, 0.6);
    letter-spacing: 0.03em;
    border-radius: 0 0 6px 6px;
    /* ホバー前はやや控えめに表示 */
    transition: color 0.2s, background 0.2s;
    pointer-events: none; /* カード自体のクリックを優先 */
}

/* グラフアイコンを小刻みに揺らして「押せる」感を演出 */
.chart-hint-icon {
    animation: chart-pulse 2.5s ease-in-out infinite;
    font-size: 0.65rem;
}

@keyframes chart-pulse {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50%       { transform: translateY(-2px); opacity: 1; }
}

/* カードホバー時にCTAをより目立たせる */
.item-card:hover .chart-hint,
.card-saw-only:hover .chart-hint {
    color: rgba(77, 240, 255, 0.9);
    background: rgba(77, 240, 255, 0.05);
}

/* 超小型画面（320px）ではテキストをさらに小さく */
@media (max-width: 360px) {
    .chart-hint {
        font-size: 0.52rem;
    }
}

/* 言語選択のドロップダウンメニューのオプション文字色と背景色を明示的に指定してコントラストを確保 */
.container select option {
    background-color: #161b22;
    color: #e6edf3;
}