/* ============================================================
   Flynext Global – Single Blog  v3.0.0
   Theme-colour tokens + full responsive layout
   ============================================================ */

/* ── THEME COLOR TOKENS ─────────────────────────────────── */
:root {
    --flb-primary: #0e3a5f;
    /* deep navy – main brand */
    --flb-primary-light: #1a5a8f;
    --flb-accent: #f5a623;
    /* amber accent */
    --flb-accent-light: #fef3dc;
    --flb-text: #1a1a2e;
    --flb-text-muted: #5f6880;
    --flb-bg: #f7f9fc;
    --flb-surface: #ffffff;
    --flb-border: #e2e8f0;
    --flb-radius: 12px;
    --flb-radius-sm: 8px;
    --flb-shadow: 0 4px 24px rgba(14, 58, 95, .08);
    --flb-shadow-md: 0 8px 40px rgba(14, 58, 95, .14);
    --flb-font: 'Manrope', sans-serif;
    --flb-max-w: 1200px;
}

/* ── RESET ──────────────────────────────────────────────── */
.flb-wrap *,
.flb-wrap *::before,
.flb-wrap *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.flb-wrap {
    font-family: var(--flb-font);
    color: var(--flb-text);
    line-height: 1.75;
}

/* ── CONTAINER ──────────────────────────────────────────── */
.flb-container {
    width: 100%;
    margin-inline: auto;
}

/* ── HERO ────────────────────────────────────────────────── */
.flb-hero {
    position: relative;
}

.flb-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
    position: relative;
}

/* Hero content */
.flb-hero-content {
    color: #000000;
}

.flb-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.flb-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(59, 59, 59, 0.75);
    letter-spacing: .02em;
}

.flb-meta-sep {
    color: rgba(0, 0, 0, 0.4);
    font-size: 18px;
    line-height: 1;
}

.flb-title {
    font-size: clamp(20px, 3vw, 30px);
    font-weight: 800;
    line-height: 1.2;
    color: #000000;
    letter-spacing: -.02em;
    margin-bottom: 20px;
}

.flb-excerpt {
    font-size: clamp(15px, 1.5vw, 17px);
    color: rgba(0, 0, 0, 0.8);
    line-height: 1.8;
}

/* Hero image */
.flb-hero-image {
    display: flex;
    justify-content: flex-end;
}

.flb-img-wrap {
    width: 100%;
    max-width: 100%;
    border-radius: var(--flb-radius);
    overflow: hidden;
    position: relative;
}

.flb-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.flb-img-wrap:hover img {
    transform: scale(1.03);
}

.flb-img-placeholder {
    width: 100%;
    max-width: 520px;
    aspect-ratio: 4/3;
    border-radius: var(--flb-radius);
    background: rgba(255, 255, 255, .1);
    border: 2px dashed rgba(255, 255, 255, .3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, .5);
    font-size: 14px;
    font-weight: 600;
    padding: 24px;
    text-align: center;
}

/* ── BODY LAYOUT ─────────────────────────────────────────── */
.flb-body {
    padding: clamp(40px, 6vw, 80px) 0;
    padding-bottom: 0px;
}

.flb-layout {
    display: grid;
    gap: clamp(24px, 4vw, 48px);
}

.flb-layout.has-sidebar {
    grid-template-columns: 280px 1fr;
}

.flb-layout.no-sidebar {
    grid-template-columns: 1fr;
}

/* ── SIDEBAR ─────────────────────────────────────────────── */
.flb-sidebar {
    position: relative;
}

.flb-toc {
    position: sticky;
    top: 90px;
    background: var(--flb-surface);
    border: 1px solid var(--flb-border);
    border-radius: var(--flb-radius);
    box-shadow: var(--flb-shadow);
    overflow: hidden;
}

.flb-toc-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--flb-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 14px 18px;
}

.flb-toc-nav {
    display: flex;
    flex-direction: column;
    padding: 10px 0;
    max-height: 70vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--flb-border) transparent;
}

.flb-toc-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--flb-text-muted);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all .2s ease;
    line-height: 1.4;
}

.flb-toc-link:hover,
.flb-toc-link.is-active {
    color: var(--flb-primary);
    background: rgba(14, 58, 95, .05);
    border-left-color: var(--flb-accent);
}

.flb-toc-num {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--flb-accent-light);
    color: var(--flb-primary);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
}

.flb-toc-link.is-active .flb-toc-num {
    background: var(--flb-accent);
    color: #fff;
}

.flb-toc-text {
    flex: 1;
}

/* ── MAIN ────────────────────────────────────────────────── */
.flb-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: clamp(32px, 4vw, 56px);
}

/* ── GENERIC SECTION ─────────────────────────────────────── */
.flb-section {
    scroll-margin-top: 80px;
}

/* Card style only for special sections */
.flb-key-contents,
.flb-faq,
.flb-conclusion {
    background: var(--flb-surface);
    border-radius: var(--flb-radius);
    box-shadow: var(--flb-shadow);
    padding: clamp(28px, 4vw, 48px);
    border: 1px solid var(--flb-border);
}

.flb-key-contents-top {
    margin-top: 40px;
    margin-bottom: 20px;
}

.flb-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--flb-accent-light);
    color: var(--flb-primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.flb-section-title {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 800;
    color: var(--flb-primary);
    line-height: 1.25;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.flb-section-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: var(--flb-primary);
    color: #fff;
    border-radius: var(--flb-radius-sm);
    font-size: 13px;
    font-weight: 700;
}

.flb-section-body,
.flb-conclusion-body,
.flb-wp-content {
    font-size: clamp(15px, 1.5vw, 16.5px);
    color: var(--flb-text);
    line-height: 1.85;
}

.flb-section-body h2,
.flb-section-body h3,
.flb-section-body h4,
.flb-conclusion-body h2,
.flb-conclusion-body h3 {
    color: var(--flb-primary);
    font-weight: 700;
    margin: 24px 0 12px;
    font-size: 20px;
}

.flb-section-body p,
.flb-conclusion-body p {
    margin-bottom: 16px;
}

.flb-section-body ul,
.flb-section-body ol,
.flb-conclusion-body ul,
.flb-conclusion-body ol {
    padding-left: 22px;
    margin-bottom: 16px;
}

.flb-section-body li,
.flb-conclusion-body li {
    margin-bottom: 6px;
}

/* ── KEY CONTENTS ────────────────────────────────────────── */
.flb-key-contents {
    border-top: 4px solid var(--flb-accent);
    background: linear-gradient(135deg, var(--flb-surface) 0%, var(--flb-accent-light) 100%);
}

.flb-kc-title {
    color: var(--flb-primary);
}

.flb-kc-title svg {
    color: var(--flb-accent);
    flex-shrink: 0;
}

.flb-kc-body {
    font-size: clamp(15px, 1.5vw, 16.5px);
    line-height: 1.85;
    color: var(--flb-text);
}

/* WYSIWYG output styles inside key contents */
.flb-kc-body p {
    margin-bottom: 16px;
}

.flb-kc-body ul,
.flb-kc-body ol {
    padding-left: 22px;
    margin-bottom: 16px;
}

.flb-kc-body li {
    margin-bottom: 8px;
    position: relative;
}

.flb-kc-body ul li::marker {
    color: var(--flb-accent);
    font-size: 1.1em;
}

.flb-kc-body strong {
    color: var(--flb-primary);
}

.flb-kc-body h2,
.flb-kc-body h3,
.flb-kc-body h4 {
    color: var(--flb-primary);
    font-weight: 700;
    margin: 20px 0 10px;
}

.flb-kc-body blockquote {
    border-left: 4px solid var(--flb-accent);
    background: rgba(245, 166, 35, .07);
    padding: 16px 20px;
    border-radius: 0 var(--flb-radius-sm) var(--flb-radius-sm) 0;
    margin: 20px 0;
    font-style: italic;
    color: var(--flb-primary);
}

.flb-kc-body a {
    color: var(--flb-primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.flb-kc-body a:hover {
    color: var(--flb-accent);
}

/* ── FAQ ─────────────────────────────────────────────────── */
.flb-faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.flb-faq-item {
    border: 1px solid var(--flb-border) !important;
    border-radius: var(--flb-radius-sm);
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}

.flb-faq-item.is-open,
.flb-faq-item button,
.flb-faq-item:hover {
    border-color: #f5a623 !important;
    box-shadow: 0 2px 12px rgba(14, 58, 95, .08);
}

.flb-faq-item button:hover.flb-faq-item button:focus {
    background-color: #f5a623;
}

.flb-faq-q {
    width: 100% !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 16px;
    padding: 16px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--flb-font);
    font-size: 15px;
    font-weight: 600;
    color: var(--flb-text) !important;
    text-align: left;
    transition: background .2s, color .2s;
}

.flb-faq-q>span:not(.flb-faq-icon) {
    flex: 1;
    display: block;
    text-align: left;
    width: auto;
    word-break: break-word;
}

.flb-faq-item.is-open .flb-faq-q,
.flb-faq-q:hover {
    background: rgb(245 166 35) !important;
    color: var(--flb-primary) !important;
    border: 1px solid transparent;
}

.flb-faq-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--flb-accent-light);
    border-radius: 50%;
    color: var(--flb-primary);
    transition: background .2s, transform .3s;
}

.flb-faq-item.is-open .flb-faq-icon {
    background: var(--flb-accent);
    color: #fff;
    transform: rotate(45deg);
}

.flb-icon-minus {
    display: none;
}

.flb-faq-item.is-open .flb-icon-plus {
    display: none;
}

.flb-faq-item.is-open .flb-icon-minus {
    display: block;
}

.flb-faq-a {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .3s ease;
}

.flb-faq-item.is-open .flb-faq-a {
    grid-template-rows: 1fr;
}

.flb-faq-a-inner {
    overflow: hidden;
    padding: 0 20px;
    font-size: 14.5px;
    color: var(--flb-text-muted);
    line-height: 1.8;
}

.flb-faq-item.is-open .flb-faq-a-inner {
    padding: 0 20px 18px;
}

/* ── CONCLUSION ──────────────────────────────────────────── */
.flb-conclusion {
    border-top: 4px solid var(--flb-primary);
}

.flb-conclusion-body {
    font-size: clamp(15px, 1.5vw, 16.5px);
    line-height: 1.85;
}

/* ── WP CONTENT (Gutenberg/Classic) ─────────────────────── */
.flb-wp-content {
    border: none;
    box-shadow: none;
    background: transparent;
    padding: 0;
}

.flb-wp-content h2,
.flb-wp-content h3,
.flb-wp-content h4 {
    color: var(--flb-primary);
    font-weight: 700;
    margin: 28px 0 14px;
}

.flb-wp-content p {
    margin-bottom: 18px;
}

.flb-wp-content img {
    max-width: 100%;
    border-radius: var(--flb-radius-sm);
    height: auto;
}

.flb-wp-content a {
    color: var(--flb-primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.flb-wp-content blockquote {
    border-left: 4px solid var(--flb-accent);
    padding: 16px 20px;
    margin: 24px 0;
    background: var(--flb-accent-light);
    border-radius: 0 var(--flb-radius-sm) var(--flb-radius-sm) 0;
    font-style: italic;
    color: var(--flb-primary);
}

.flb-wp-content ul,
.flb-wp-content ol {
    padding-left: 22px;
    margin-bottom: 18px;
}

.flb-wp-content li {
    margin-bottom: 6px;
}

.flb-wp-content code {
    background: rgba(14, 58, 95, .06);
    color: var(--flb-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: .9em;
}

.flb-wp-content pre {
    background: var(--flb-primary);
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: var(--flb-radius-sm);
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .flb-layout.has-sidebar {
        grid-template-columns: 240px 1fr;
    }
}

@media (max-width: 860px) {
    .flb-hero-grid {
        grid-template-columns: 1fr;
    }

    .flb-hero-image {
        justify-content: center;
        order: -1;
    }

    .flb-img-wrap {
        max-width: 100%;
    }

    .flb-layout.has-sidebar {
        grid-template-columns: 1fr;
    }

    .flb-toc {
        position: static;
    }
}

@media (max-width: 540px) {
    .flb-section {
        padding: 22px 18px;
    }

    .flb-faq-q {
        padding: 14px 16px;
        font-size: 14px;
    }

    .flb-faq-a-inner {
        padding: 0 16px;
    }

    .flb-faq-item.is-open .flb-faq-a-inner {
        padding: 0 16px 14px;
    }

    .flb-section-title {
        gap: 8px;
    }

    .flb-section-num {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
}

/* ── SCROLL BAR ──────────────────────────────────────────── */
.flb-toc-nav::-webkit-scrollbar {
    width: 4px;
}

.flb-toc-nav::-webkit-scrollbar-track {
    background: transparent;
}

.flb-toc-nav::-webkit-scrollbar-thumb {
    background: var(--flb-border);
    border-radius: 2px;
}

/* ── PRINT ───────────────────────────────────────────────── */
@media print {
    .flb-sidebar {
        display: none;
    }

    .flb-layout {
        grid-template-columns: 1fr !important;
    }

    .flb-hero {
        background: #fff !important;
    }

    .flb-title,
    .flb-meta-item {
        color: #000 !important;
    }
}