/**
 * IDOL TOKYO NEO
 * Single Diary Page (single-diary.php) Styles
 * (Crystal Sky Blue, Luminous Wings & Neo-Clean Gradient Refinements)
 */

/* ==========================================================================
   0. PAGE SPECIFIC OVERRIDES & UTILITIES
   ========================================================================== */
/* 個別日記ページ内では画面下部追従固定ボタン（.sticky-reserve）を非表示化 */
.single-diary-container ~ .sticky-reserve,
body.single-diary .sticky-reserve {
    display: none;
}

.d-none {
    display: none !important;
}

.max-w-768 {
    max-width: 768px;
    width: 100%;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   1. SINGLE DIARY CONTAINER & BREADCRUMB
   ========================================================================== */
.single-diary-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-32) var(--space-16) 120px;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

.cast-breadcrumb-nav {
    padding-top: 100px;
    padding-bottom: var(--space-16);
    font-size: 12px;
    color: var(--text-muted, #64748B);
}

.cast-breadcrumb-nav a {
    color: var(--text-muted, #64748B);
    transition: color 0.3s ease;
}

/* ホバー時スカイアクア（ピンク廃止） */
.cast-breadcrumb-nav a:hover {
    color: var(--accent-cyan-deep, #0284C7);
}

.cast-breadcrumb-nav span {
    color: var(--text-main, #0F172A);
}

/* ==========================================================================
   2. HEADER & DIARY DETAIL CARD (白背景 ＋ 3D立体シャドウ)
   ========================================================================== */
.diary-detail-header-section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-32);
}

.diary-detail-section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-64);
}

.diary-detail-card {
    background-color: #FFFFFF;
    border: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card, 0 10px 30px rgba(15, 23, 42, 0.08));
    position: relative;
    box-sizing: border-box;
    width: 100%;
}

.diary-detail-body {
    position: relative;
    z-index: 3;
    padding: var(--space-48) var(--space-40);
    box-sizing: border-box;
}

/* ==========================================================================
   3. META BAR & TITLE (明朝体 ＆ 濃紺ネイビー)
   ========================================================================== */
.diary-detail-meta-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-16);
    border-bottom: 1px dashed var(--border-thin);
    flex-wrap: wrap;
    gap: var(--space-16);
}

.meta-item-date {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-label {
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--accent-cyan-deep, #0284C7);
    font-weight: 700;
}

.meta-val {
    font-size: 13px;
    color: var(--text-main, #0F172A);
    font-weight: 700;
}

.meta-item-author {
    display: inline-flex;
    align-items: center;
    gap: var(--space-12);
    background-color: #F8FAFC;
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 6px 14px;
    border-radius: 30px;
    transition: all 0.3s ease;
    text-decoration: none;
}

/* ホバー時スカイアクア（ピンク廃止） */
.meta-item-author:hover {
    border-color: var(--accent-cyan, #38BDF8);
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
    transform: translateY(-1px);
}

.author-mini-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(56, 189, 248, 0.2);
    flex-shrink: 0;
    filter: contrast(0.98) saturate(0.95);
}

.author-text-wrap {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.diary-detail-title {
    font-family: var(--font-mincho, 'Shippori Mincho', 'Noto Serif JP', serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main, #0F172A);
    line-height: 42px;
    letter-spacing: 0.08em;
    word-break: break-word;
    margin-top: 0;
}

/* ==========================================================================
   4. IMAGE FRAME & TYPOGRAPHY
   ========================================================================== */
.diary-detail-img-wrap {
    width: 100%;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-thin);
    background-color: var(--bg-base);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
    box-sizing: border-box;
}

.diary-detail-img {
    width: 100%;
    height: auto;
    max-height: 580px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    filter: contrast(0.98) saturate(0.95);
}

.diary-detail-img-wrap:hover .diary-detail-img {
    transform: scale(1.02);
}

.diary-detail-text-content {
    font-size: 15px;
    color: var(--text-main, #0F172A);
    line-height: 32px;
    letter-spacing: 0.8px;
    word-break: break-word;
    font-weight: 500;
}

.diary-detail-text-content p {
    margin-bottom: var(--space-24);
}

.diary-detail-text-content p:last-child {
    margin-bottom: 0;
}

.diary-detail-text-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-thin);
    margin: var(--space-20) 0;
    display: block;
    filter: contrast(0.98) saturate(0.95);
}

/* 引用枠境界線をアクアブルーへ（ピンク廃止） */
.diary-detail-text-content blockquote {
    border-left: 3px solid var(--accent-cyan, #38BDF8);
    padding: var(--space-16) var(--space-20);
    margin: var(--space-24) 0;
    color: var(--text-muted, #64748B);
    font-style: italic;
    background-color: #F8FAFC;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    line-height: 28px;
}

/* ==========================================================================
   5. AUTHOR MINI PROFILE BOX (アイスブルーグラデーション ＆ 発光)
   ========================================================================== */
.diary-cast-profile-box {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.95) 0%, rgba(224, 242, 254, 0.45) 100%);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-md);
    position: relative;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.15);
    box-sizing: border-box;
    padding: var(--space-32);
}

.cast-profile-top-row {
    display: flex;
    align-items: center;
    gap: var(--space-20);
}

.cast-profile-thumb-wrap {
    width: 96px;
    height: 128px;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid rgba(56, 189, 248, 0.2);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    background-color: var(--bg-base);
}

.cast-profile-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
    filter: contrast(0.98) saturate(0.95);
}

.cast-profile-thumb-wrap:hover .cast-profile-thumb {
    transform: scale(1.06);
}

.cast-profile-header-wrap {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.cast-profile-name {
    font-family: var(--font-mincho, 'Shippori Mincho', 'Noto Serif JP', serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main, #0F172A);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-8);
    flex-wrap: wrap;
    letter-spacing: 0.06em;
}

.cast-profile-name a {
    color: var(--text-main, #0F172A);
    transition: color 0.3s ease;
}

/* ホバー時スカイアクア（ピンク廃止） */
.cast-profile-name a:hover {
    color: var(--accent-cyan-deep, #0284C7);
}

.cast-profile-tag-badge {
    font-size: 11px;
    font-weight: 700;
    background: var(--grad-btn-primary, linear-gradient(135deg, #BAE6FD 0%, #E0F2FE 45%, #FDE2E4 100%));
    border: 1px solid rgba(255, 255, 255, 0.9);
    color: #0F172A;
    padding: 2px 10px;
    border-radius: 20px;
}

.cast-profile-btns-row {
    display: flex;
    gap: var(--space-12);
    width: 100%;
    margin-top: var(--space-16);
    box-sizing: border-box;
}

.cast-btn-item {
    flex: 1;
    text-align: center;
    white-space: nowrap;
    justify-content: center;
}

/* ==========================================================================
   6. FOOTER & NAVIGATION
   ========================================================================== */
.diary-detail-footer {
    background-color: #F8FAFC;
    position: relative;
    z-index: 3;
    padding: var(--space-32) var(--space-32);
    box-sizing: border-box;
    border-top: 1px solid var(--border-thin);
}

.diary-nav-prev-next {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-20);
    flex-wrap: wrap;
}

.nav-prev-wrap,
.nav-next-wrap {
    flex: 1;
    min-width: 0;
}

.nav-next-wrap {
    text-align: right;
}

/* ==========================================================================
   7. RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 768px) {
    .single-diary-container {
        padding: var(--space-16) var(--space-12) 100px;
    }

    .diary-detail-body {
        padding: var(--space-28) var(--space-20);
    }

    .diary-detail-title {
        font-size: 22px;
        line-height: 34px;
        margin-bottom: var(--space-20);
    }

    .diary-detail-text-content {
        font-size: 14px;
        line-height: 28px;
    }

    .diary-cast-profile-box {
        padding: var(--space-20);
    }

    .cast-profile-thumb-wrap {
        width: 80px;
        height: 107px;
    }

    .cast-profile-name {
        font-size: 18px;
    }

    .diary-detail-footer {
        padding: var(--space-24) var(--space-20);
    }
}

@media (max-width: 576px) {
    .single-diary-container {
        padding: 0 16px 80px 16px;
    }

    .diary-detail-body {
        padding: 20px 16px;
    }

    .diary-detail-meta-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-12);
    }

    .meta-item-author {
        width: 100%;
        justify-content: space-between;
        box-sizing: border-box;
    }

    .diary-cast-profile-box {
        padding: 16px;
    }

    .cast-profile-top-row {
        gap: 12px;
    }

    .cast-profile-thumb-wrap {
        width: 72px;
        height: 96px;
    }

    .cast-profile-name {
        font-size: 16px;
        gap: 6px;
    }

    .cast-profile-btns-row {
        flex-direction: column;
        gap: 8px;
        margin-top: 12px;
    }

    .cast-btn-item {
        width: 100%;
        height: 40px;
        font-size: 12px;
    }

    .diary-detail-footer {
        padding: 24px 16px;
    }

    .single-diary-container .diary-nav-prev-next {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        width: 100%;
    }

    .single-diary-container .nav-prev-wrap,
    .single-diary-container .nav-next-wrap {
        flex: 1;
        min-width: 0;
        width: auto;
    }

    .single-diary-container .nav-prev-wrap {
        text-align: left;
    }

    .single-diary-container .nav-next-wrap {
        text-align: right;
    }

    .single-diary-container .nav-prev-wrap .news-more-btn,
    .single-diary-container .nav-next-wrap .news-more-btn {
        white-space: nowrap;
        font-size: 13px;
        letter-spacing: 1px;
    }
}