/* ========================================
   データ分析ページ — Material Design 3 スタイル
   ======================================== */

:root {
    --md-primary: #5D4037;
    --md-on-primary: #FFFFFF;
    --md-primary-container: #D7CCC8;
    --md-on-primary-container: #3E2723;
    --md-surface: #FFFBF8;
    --md-surface-container-lowest: #FFFFFF;
    --md-surface-container-low: #FCF6F0;
    --md-surface-container: #F6F0EA;
    --md-surface-container-high: #F0EAE3;
    --md-on-surface: #1D1B19;
    --md-on-surface-variant: #504843;
    --md-outline: #827369;
    --md-outline-variant: #D5C8BF;
    --md-elevation-1: 0 1px 2px rgba(0,0,0,0.3), 0 1px 3px 1px rgba(0,0,0,0.15);
    --md-shape-sm: 8px;
    --md-shape-md: 12px;
    --md-shape-lg: 16px;
    --md-shape-xl: 24px;
    --md-motion-standard: cubic-bezier(0.2, 0, 0, 1);
}

/* ========================================
   ラッパー（フルワイド）
   ======================================== */
.an-wrap {
    padding: 0 28px 80px;
}

/* ========================================
   ページヘッダー
   ======================================== */
.an-page-header {
    padding: 24px 0 4px;
}

.an-page-header-inner {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
}

.an-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.an-page-title i {
    color: var(--md-primary);
}

.an-updated {
    font-size: 0.76rem;
    color: var(--md-outline);
    margin: 0;
}

/* ========================================
   プラットフォームタブバー
   ======================================== */
.an-tab-bar {
    display: flex;
    border-bottom: 1px solid var(--md-outline-variant);
    margin: 12px 0 24px;
    overflow-x: auto;
    gap: 0;
}

.an-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 22px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--md-on-surface-variant);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.18s, background 0.18s, border-color 0.18s;
}

.an-tab:hover:not(:disabled) {
    color: var(--md-primary);
    background: var(--md-surface-container);
}

.an-tab.active {
    color: var(--md-primary);
    border-bottom-color: var(--md-primary);
}

.an-tab:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.an-tab-badge {
    background: var(--md-surface-container-high);
    color: var(--md-on-surface-variant);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 99px;
    letter-spacing: 0.03em;
}

/* ========================================
   ローディング / エラー
   ======================================== */
.an-loading {
    text-align: center;
    padding: 80px 0;
    color: var(--md-on-surface-variant);
    font-size: 1rem;
}

.an-loading i {
    font-size: 1.6rem;
    color: var(--md-primary);
    margin-right: 10px;
}

.an-error {
    background: #fdecea;
    border: 1px solid #c0392b;
    border-radius: var(--md-shape-md);
    color: #c0392b;
    padding: 16px 20px;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* ========================================
   ヒーローメトリクス
   ======================================== */
.an-hero-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}

.an-hero-chip {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--md-surface-container-lowest);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-shape-lg);
    padding: 16px 18px;
    box-shadow: var(--md-elevation-1);
}

.an-hero-icon {
    font-size: 1.4rem;
    color: var(--md-primary);
    width: 26px;
    text-align: center;
    flex-shrink: 0;
}

.an-hero-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.an-hero-label {
    font-size: 0.68rem;
    color: var(--md-on-surface-variant);
}

.an-hero-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--md-on-surface);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.an-hero-value small {
    font-size: 0.68em;
    font-weight: 400;
    color: var(--md-on-surface-variant);
    margin-left: 2px;
}

/* ========================================
   カードシステム
   ======================================== */
.an-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 720px) {
    .an-grid-2 { grid-template-columns: 1fr; }
    .an-wrap    { padding: 0 14px 80px; }
}

.an-card {
    background: var(--md-surface-container-lowest);
    border-radius: var(--md-shape-xl);
    box-shadow: var(--md-elevation-1);
    padding: 22px;
    box-sizing: border-box;
}

.an-card-full {
    width: 100%;
    margin-bottom: 20px;
}

.an-card-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin-bottom: 16px;
}

.an-card-header i {
    color: var(--md-primary);
}

.an-card-sub {
    font-size: 0.74rem;
    font-weight: 400;
    color: var(--md-on-surface-variant);
    margin-left: auto;
}

/* ========================================
   チャートコンテナ
   ======================================== */
.an-chart-container {
    position: relative;
    width: 100%;
}

/* ========================================
   ランクリスト
   ======================================== */
.an-rank-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.an-rank-card {
    display: flex;
    align-items: center;
    gap: 12px;
    border: 2px solid;
    border-radius: var(--md-shape-md);
    padding: 9px 14px;
}

.an-rank-badge {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 800;
    flex-shrink: 0;
}

.an-rank-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.an-rank-score {
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--md-on-surface);
}

.an-rank-label {
    font-size: 0.7rem;
    color: var(--md-on-surface-variant);
}

/* ========================================
   キーワードクラウド
   ======================================== */
.an-keyword-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 4px;
}

.an-kw-tag {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    border-radius: 99px;
    padding: 6px 16px;
    font-weight: 600;
    cursor: default;
    transition: background 0.18s;
}

.an-kw-tag:hover {
    background: var(--md-outline-variant);
}

.an-kw-tag small {
    font-size: 0.7em;
    opacity: 0.72;
    margin-left: 4px;
}