/* ============================================================
   guides.css — Guide listing + guide article pages
   ============================================================ */

/* ── Guide index grid ───────────────────────────────────────── */
.guides_grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.guide_card {
    background: var(--bg_card);
    border: 1px solid var(--border_subtle);
    border-radius: var(--radius_lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-decoration: none;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.guide_card:hover {
    border-color: rgba(62,207,142,.25);
    transform: translateY(-3px);
    box-shadow: var(--shadow_md);
    opacity: 1;
}
.guide_card_icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius_md);
    background: rgba(62,207,142,.1);
    border: 1px solid rgba(62,207,142,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color_accent);
    font-size: 1.15rem;
    flex-shrink: 0;
}
.guide_card_meta {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
}
.guide_card h3 {
    font-size: 1rem;
    font-weight: var(--weight_semi);
    color: var(--color_text);
    margin-bottom: .4rem;
    line-height: 1.35;
}
.guide_card p {
    font-size: .875rem;
    color: var(--color_muted);
    line-height: 1.6;
    flex: 1;
}
.guide_card_footer {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    color: var(--color_accent);
    font-weight: var(--weight_medium);
    margin-top: auto;
}

/* ── Guide article layout ───────────────────────────────────── */
.article_layout {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 3rem;
    padding: 2.5rem 0 5rem;
    align-items: start;
    margin-inline: auto;
}
.article_toc {
    position: sticky;
    top: calc(var(--header_h) + 1.5rem);
}
.toc_title {
    font-size: .75rem;
    font-weight: var(--weight_semi);
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--color_muted);
    margin-bottom: .75rem;
    padding-left: .75rem;
}
.toc_link {
    display: block;
    padding: .35rem .75rem;
    font-size: .8rem;
    color: var(--color_subtle);
    border-left: 2px solid var(--border_subtle);
    transition: color var(--transition), border-color var(--transition);
    line-height: 1.4;
}
.toc_link:hover { color: var(--color_text); opacity: 1; }
.toc_link.active { color: var(--color_accent); border-left-color: var(--color_accent); }
.toc_link_sub { padding-left: 1.25rem; font-size: .75rem; }

/* ── Article body ───────────────────────────────────────────── */
.article_body h1 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: var(--weight_bold);
    line-height: 1.2;
    margin-bottom: .75rem;
}
.article_body .article_meta {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border_subtle);
}
.article_meta_item {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .8rem;
    color: var(--color_muted);
}
.article_meta_item i { font-size: .7rem; }

.article_body h2 {
    font-size: 1.25rem;
    font-weight: var(--weight_semi);
    margin: 2.5rem 0 .85rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border_subtle);
    display: flex;
    align-items: center;
    gap: .5rem;
}
.article_body h2 i { color: var(--color_accent); font-size: .85rem; }
.article_body h3 {
    font-size: 1rem;
    font-weight: var(--weight_semi);
    margin: 1.5rem 0 .6rem;
    color: var(--color_text);
}
.article_body p {
    font-size: .95rem;
    color: var(--color_muted);
    margin-bottom: 1rem;
    line-height: 1.75;
}
.article_body p strong { color: var(--color_text); font-weight: var(--weight_semi); }
.article_body a { color: var(--color_accent); }
.article_body a:hover { text-decoration: underline; opacity: 1; }
.article_body ul,
.article_body ol {
    list-style: none;
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}
.article_body ul li,
.article_body ol li {
    font-size: .9rem;
    color: var(--color_muted);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.65;
}
.article_body ul li::before {
    content: '';
    position: absolute;
    left: .4rem;
    top: .65em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color_accent);
}
.article_body ol { counter-reset: step; }
.article_body ol li {
    padding-left: 2rem;
    counter-increment: step;
}
.article_body ol li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(62,207,142,.1);
    border: 1px solid rgba(62,207,142,.2);
    color: var(--color_accent);
    font-size: .7rem;
    font-weight: var(--weight_semi);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: .1rem;
}

/* Step blocks */
.step_block {
    display: flex;
    gap: 1.25rem;
    background: var(--bg_card);
    border: 1px solid var(--border_subtle);
    border-radius: var(--radius_lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}
.step_number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(62,207,142,.1);
    border: 1px solid rgba(62,207,142,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    font-weight: var(--weight_bold);
    color: var(--color_accent);
    flex-shrink: 0;
}
.step_content h4 {
    font-size: .95rem;
    font-weight: var(--weight_semi);
    margin-bottom: .35rem;
    color: var(--color_text);
}
.step_content p { font-size: .875rem; color: var(--color_muted); margin: 0; }

/* Article nav footer */
.article_nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border_subtle);
    flex-wrap: wrap;
}
.article_nav_link {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .65rem 1rem;
    background: var(--bg_card);
    border: 1px solid var(--border_subtle);
    border-radius: var(--radius_md);
    font-size: .85rem;
    color: var(--color_subtle);
    transition: color var(--transition), border-color var(--transition);
    max-width: 240px;
}
.article_nav_link:hover { color: var(--color_text); border-color: var(--border); opacity: 1; }
.article_nav_link i { color: var(--color_muted); font-size: .75rem; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 860px) {
    .guides_grid { grid-template-columns: repeat(2, 1fr); }
    .article_layout { grid-template-columns: 1fr; display: block;}
    .article_toc { display: none; }
}
@media (max-width: 520px) {
    .guides_grid { grid-template-columns: 1fr; }
}