/* ── 基本設定 ── */
:root {
    --bg-dark: #0f172a;
    --card-bg-now: #1e293b;
    --card-bg-next: #0f172a;
    --accent-gold: #fbbf24;
    --accent-gold-light: #fef08a;
    --accent-blue: #38bdf8;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

/* コンテナ設定（共通ヘッダーとの重なり防止 & スマホ320px完全対応） */
.app-container {
    max-width: 480px;
    margin: 70px auto 20px;
    padding: 0.75rem 0.5rem;
    box-sizing: border-box;
}

/* アプリ用サブヘッダー */
.app-header {
    text-align: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

/* アプリタイトル（大きく強調＆ゴールドグラデーション＋ドロップシャドウ） */
.app-title {
    font-size: 1.7rem;
    font-weight: 900;
    color: var(--accent-gold);
    background: linear-gradient(135deg, #fef08a 0%, #fbbf24 50%, #d97706 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0 0 0.3rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    filter: drop-shadow(0 2px 8px rgba(251, 191, 36, 0.3));
    letter-spacing: 0.02em;
}

.app-title i {
    -webkit-text-fill-color: initial;
    color: var(--accent-gold);
    font-size: 1.5rem;
}

.app-subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

/* 段階切り替えプルダウン */
.step-selector-box {
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.step-selector-label {
    font-size: 0.8rem;
    color: var(--accent-gold-light);
    font-weight: bold;
}
.step-select {
    width: 100%;
    background-color: #0f172a;
    color: var(--text-primary);
    border: 1px solid var(--accent-gold);
    border-radius: 8px;
    padding: 0.5rem;
    font-size: 0.95rem;
    font-weight: bold;
    outline: none;
    box-sizing: border-box;
}
.step-select option {
    background-color: #0f172a;
    color: var(--text-primary);
}

/* 2択選択カード（レベル順 / 効率順） */
.choice-container {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 2px solid var(--accent-gold);
    border-radius: 14px;
    padding: 0.75rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.15);
}

.choice-header {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--accent-gold-light);
    margin-bottom: 0.5rem;
    text-align: center;
}

.choice-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.choice-btn {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.6rem 0.4rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    line-height: 1.3;
}

.choice-btn.active {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.25) 0%, rgba(217, 119, 6, 0.25) 100%);
    border-color: var(--accent-gold);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.3);
}

.choice-subtext {
    font-size: 0.7rem;
    font-weight: normal;
    display: block;
    margin-top: 0.15rem;
    opacity: 0.9;
}

/* セクションカード */
.section-card {
    border-radius: 16px;
    padding: 0.85rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    box-sizing: border-box;
}

.card-now {
    background: var(--card-bg-now);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.card-next {
    background: #182234;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

/* ヘッダーバッジ */
.card-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.badge-now {
    background: rgba(251, 191, 36, 0.15);
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
}

.badge-next {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

/* 範囲ヘッダー＆元記事リンクボタン */
.step-range-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px dashed var(--border-color);
}

.step-range-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--accent-gold);
}

.article-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(251, 191, 36, 0.15);
    color: var(--accent-gold-light);
    border: 1px solid var(--accent-gold);
    padding: 0.3rem 0.6rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.article-link-btn:hover {
    background: var(--accent-gold);
    color: #000;
}

.article-link-btn.btn-blue {
    background: rgba(56, 189, 248, 0.15);
    color: #bae6fd;
    border-color: var(--accent-blue);
}

.article-link-btn.btn-blue:hover {
    background: var(--accent-blue);
    color: #000;
}

/* 効率ルート番号バッジ */
.route-num-badge {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 900;
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    margin-right: 0.2rem;
    white-space: nowrap;
}

/* 素材リスト */
.material-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.material-item {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.6rem 0.75rem;
}

.material-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    flex-wrap: wrap;
}

.material-name {
    font-size: 0.95rem;
    font-weight: 800;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.material-qty {
    font-size: 0.8rem;
    font-weight: 700;
    background: rgba(251, 191, 36, 0.15);
    color: var(--accent-gold);
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
}

.spinna-highlight {
    background: rgba(234, 179, 8, 0.2);
    color: #fde047;
    border: 1px solid #fde047;
}

.material-info-grid {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.8rem;
}

.info-tag {
    display: flex;
    align-items: flex-start;
    gap: 0.3rem;
}

.info-label {
    color: var(--text-secondary);
    white-space: nowrap;
    font-weight: 600;
}

.info-value {
    color: #e2e8f0;
    word-break: break-all;
}

.location-highlight {
    color: var(--accent-gold-light);
    font-weight: bold;
}

/* 攻略・周回メモ コールアウト表示 */
.notes-callout {
    margin-top: 0.5rem;
    background: rgba(251, 191, 36, 0.08);
    border-left: 3px solid var(--accent-gold);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    font-size: 0.78rem;
}

.notes-callout.notes-blue {
    background: rgba(56, 189, 248, 0.08);
    border-left-color: var(--accent-blue);
}

.notes-title {
    font-weight: 800;
    color: var(--accent-gold-light);
    margin-bottom: 0.15rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.notes-callout.notes-blue .notes-title {
    color: #bae6fd;
}

.notes-body {
    color: #cbd5e1;
    line-height: 1.4;
    word-break: break-all;
}

/* ボタンエリア */
.action-btn-box {
    margin-top: 1rem;
}

.complete-btn {
    width: 100%;
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 0.5rem;
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(217, 119, 6, 0.3);
    transition: transform 0.1s ease, filter 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.complete-btn:active {
    transform: scale(0.98);
}