/*
Theme Name: Smart Shelf
Theme URI: https://smartshelfhub.com
Description: Smart Shelf Hub design ("The Shelf"). Child theme of Extendable.
Template: extendable
Version: 1.0.10
Requires at least: 6.6
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: smartshelf
*/

/* ---------- tokens ---------- */
:root {
	color-scheme: only light;
	--ink: var(--wp--preset--color--ink);
	--text: var(--wp--preset--color--text);
	--muted: var(--wp--preset--color--muted);
	--paper: var(--wp--preset--color--paper);
	--white: var(--wp--preset--color--white);
	--line: var(--wp--preset--color--line);
	--oak: var(--wp--preset--color--oak);
	--oak-light: var(--wp--preset--color--oak-light);
	--label: var(--wp--preset--color--label);
	--on-ink: #E8EDF3;      /* body text on ink, 12:1 */
	--on-ink-soft: #C8D2DE; /* small text on ink, 9:1 */
	--focus: #2563EB;
	--r-sm: 4px;
	--r-md: 10px;
	--wrap: 1120px;
}

/* ---------- base ---------- */
body { -webkit-text-size-adjust: 100%; }
.ssh-btn, .ssh-labels a, .wpcf7 input, .wpcf7 select, .wpcf7 textarea { box-sizing: border-box; }
.wp-site-blocks > * + * { margin-block-start: 0; }
:where(a, button, [tabindex]):focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: var(--r-sm); }
.ssh-site-header :focus-visible, .wp-site-blocks > header :focus-visible, .wp-site-blocks > footer :focus-visible, .ssh-hero :focus-visible, .ssh-site-footer :focus-visible,
.wp-block-navigation__responsive-container.is-menu-open :focus-visible { outline-color: var(--label); }
.ssh-sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
img { max-width: 100%; }

/* ---------- header ---------- */
.ssh-site-header, .wp-site-blocks > header.wp-block-template-part { background: var(--ink); color: var(--white); padding-inline: 16px; }
.ssh-bar { max-width: var(--wrap); margin-inline: auto; min-height: 64px; }
.ssh-logo { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--white); text-decoration: none; font: 700 20px/1 var(--wp--preset--font-family--literata); }
.ssh-logo:hover span { text-decoration: underline; text-underline-offset: 4px; }
.ssh-nav { font-weight: 500; }
.ssh-nav .wp-block-navigation-item__content { display: flex; align-items: center; min-height: 44px; padding: 0 12px !important; color: var(--white); text-decoration: none; border-radius: var(--r-sm); transition: background-color .15s; }
.ssh-nav .wp-block-navigation-item__content:hover { background: rgba(255,255,255,.1); }
.ssh-nav .current-menu-item > .wp-block-navigation-item__content,
.ssh-nav [aria-current="page"] { box-shadow: inset 0 -3px 0 var(--label); }
.ssh-nav .wp-block-navigation__responsive-container-open,
.ssh-nav .wp-block-navigation__responsive-container-close { width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--white); border: 1px solid rgba(255,255,255,.4); border-radius: var(--r-sm); }
.ssh-nav .wp-block-navigation__responsive-container-close { top: 10px; right: 16px; }
.ssh-nav .wp-block-navigation__responsive-container.is-menu-open { padding: 72px 20px 24px; background: var(--ink) !important; color: var(--white) !important; }
.ssh-nav .is-menu-open .wp-block-navigation-item__content { font-size: 20px; padding: 6px 12px !important; color: var(--white) !important; }
.ssh-nav .is-menu-open .wp-block-navigation__container { gap: 6px; }

/* ---------- page shells ---------- */
.ssh-main { padding-bottom: 64px; }
.ssh-page .ssh-page-title { margin: 36px 0 8px; font-size: clamp(30px, 6vw, 44px); }
.ssh-meta { color: var(--muted); font-size: 15px; }

/* ---------- buttons ---------- */
.wp-block-button__link, .ssh-btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; transition: background-color .15s, transform .15s; }
.wp-block-button__link:active, .ssh-btn:active { transform: translateY(1px); }
.ssh-btn { background: var(--label); color: var(--ink); font-weight: 600; padding: 0 20px; border-radius: var(--r-sm); }
.ssh-btn:hover { background: #F7D27A; color: var(--ink); }
.ssh-hero .is-style-outline .wp-block-button__link { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,.6); }
.ssh-hero .is-style-outline .wp-block-button__link:hover { background: rgba(255,255,255,.08); }

/* ---------- hero with the shelf (the one memorable thing) ---------- */
.ssh-front .ssh-hero { background: var(--ink); color: var(--on-ink); margin-top: 0 !important; padding-top: 28px; padding-bottom: 32px; }
.ssh-hero h1 { color: var(--white); max-width: 16ch; margin: 0; }
.ssh-hero-text p { max-width: 52ch; font-size: 18px; margin: 14px 0 0; }
.ssh-hero .wp-block-buttons { margin-block: 22px 30px; }
.ssh-shelf-row { display: flex; align-items: flex-end; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 8px 16px 0; margin: 0 -16px; scrollbar-width: none; overscroll-behavior-x: contain; }
.ssh-shelf-row::-webkit-scrollbar { display: none; }
.ssh-shelf-book { flex: none; display: block; scroll-snap-align: start; border-radius: 2px 4px 4px 2px; box-shadow: inset -3px 0 0 rgba(0,0,0,.25), 0 6px 14px rgba(0,0,0,.35); transition: transform .15s; }
.ssh-shelf-book:hover { transform: translateY(-6px); }
.ssh-shelf-book img { display: block; height: 200px; width: auto; border-radius: 2px 4px 4px 2px; }
.ssh-ledge { height: 18px; background: linear-gradient(var(--oak-light), var(--oak)); box-shadow: 0 8px 0 #5C3A1A; }
.ssh-hint { font-size: 15px !important; color: var(--on-ink-soft); text-align: center; margin: 14px auto 0 !important; }
@media (min-width: 860px) {
	.ssh-front .ssh-hero { padding-top: 48px; padding-bottom: 48px; }
	.ssh-shelf-row { margin: 0; padding: 8px 0 0; justify-content: center; gap: 22px; overflow: visible; }
	.ssh-shelf-book:nth-child(n+7) { display: none; }
	.ssh-shelf-book img { height: 230px; }
	.ssh-hint { display: none; }
}

/* ---------- subject labels ---------- */
.ssh-labels { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (min-width: 860px) { .ssh-labels { grid-template-columns: repeat(6, 1fr); } }
.ssh-labels a { display: flex; flex-direction: column; justify-content: center; min-height: 72px; height: 100%; padding: 10px 14px; background: var(--white); border: 1px solid var(--line); border-left: 6px solid var(--label); border-radius: var(--r-sm); color: var(--ink); font-weight: 600; line-height: 1.3; text-decoration: none; transition: background-color .15s; }
.ssh-labels a:hover { background: #FFFBEF; }
.ssh-labels small { margin-top: 2px; color: var(--muted); font-size: 14px; font-weight: 400; }

/* ---------- small subject shelves on home ---------- */
.ssh-cat-grid { display: grid; gap: 8px; }
@media (min-width: 860px) { .ssh-cat-grid { grid-template-columns: 1fr 1fr; column-gap: 48px; } }
.ssh-cat { padding-top: 30px; }
.ssh-cat-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; }
.ssh-cat-head h3 { margin: 0; font-size: 21px; }
.ssh-cat-head a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; }
.ssh-mini { display: flex; align-items: flex-end; gap: 12px; padding: 10px 4px 0; }
.ssh-mini a { display: block; border-radius: 2px 3px 3px 2px; box-shadow: 0 4px 10px rgba(27,42,65,.25); transition: transform .15s; }
.ssh-mini a:hover { transform: translateY(-4px); }
.ssh-mini img { display: block; height: 150px; width: auto; border-radius: 2px 3px 3px 2px; }
@media (min-width: 860px) { .ssh-mini img { height: 180px; } }
.ssh-mini-ledge { height: 10px; background: linear-gradient(var(--oak-light), var(--oak)); border-radius: 0 0 var(--r-sm) var(--r-sm); }

/* ---------- white band ---------- */
.ssh-band { background: var(--white); border-block: 1px solid var(--line); padding-block: 40px; }
.ssh-front .ssh-band { margin-block-start: 56px; }
.ssh-band .wp-block-columns { gap: 24px; }
.ssh-band h3 { font-size: 19px; margin-bottom: 6px; }
.ssh-band p { margin: 0; }
.ssh-front .ssh-prose { padding-top: 40px; }

/* ---------- Books page ---------- */
.ssh-books-page .ssh-jump { margin-bottom: 8px; }
.ssh-books-cat { padding-top: 40px; scroll-margin-top: 16px; }
.ssh-books-cat > h2 { margin: 0; }
.ssh-cat-intro { color: var(--muted); max-width: 64ch; margin: 8px 0 4px; }
.ssh-book { display: grid; grid-template-columns: 112px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); scroll-margin-top: 16px; }
.ssh-book:first-of-type { border-top: 0; }
@media (min-width: 700px) { .ssh-book { grid-template-columns: 170px 1fr; gap: 28px; } }
.ssh-book-cover { align-self: start; }
.ssh-book-cover img { display: block; width: 100%; height: auto; border-radius: 2px 4px 4px 2px; box-shadow: inset -3px 0 0 rgba(0,0,0,.2), 0 4px 10px rgba(27,42,65,.25); }
.ssh-book-cover::after { content: ""; display: block; height: 8px; margin-top: -1px; background: linear-gradient(var(--oak-light), var(--oak)); border-radius: 0 0 var(--r-sm) var(--r-sm); }
.ssh-book-body h3 { margin: 0; font-size: clamp(19px, 2.4vw, 22px); }
.ssh-book-body p { margin: 6px 0 0; max-width: 62ch; }
.ssh-sub { font-style: italic; color: var(--text); }
.ssh-by { color: var(--muted); font-size: 15px; }
.ssh-book-body .ssh-btn { margin-top: 14px; }
@media (max-width: 480px) { .ssh-book-body .ssh-btn { width: 100%; } .ssh-desc { font-size: 16px; } }
.ssh-note { margin-top: 40px; padding: 14px 16px; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-sm); color: var(--muted); font-size: 15px; }
:target { scroll-margin-top: 16px; }

/* ---------- Free printables ---------- */
.ssh-printables { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 24px; }
@media (min-width: 700px) { .ssh-printables { grid-template-columns: 1fr 1fr; } }
.ssh-printable { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; display: flex; flex-direction: column; }
.ssh-printable-img { display: block; background: var(--paper); }
.ssh-printable-img img { display: block; width: 100%; height: auto; }
.ssh-printable-body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.ssh-printable-body h2 { font-size: 21px; margin: 0; }
.ssh-printable-body h2 a { text-decoration: none; }
.ssh-printable-body h2 a:hover { text-decoration: underline; }
.ssh-printable-body p { margin: 8px 0 0; }
.ssh-printable-body .ssh-btn { margin-top: auto; align-self: flex-start; }
.ssh-printable-body p:last-of-type { margin-bottom: 16px; }

/* ---------- WooCommerce tables on small screens (order confirmation, downloads) ---------- */
@media (max-width: 600px) {
	.wc-block-order-confirmation-downloads table, .woocommerce-table--order-downloads, .woocommerce-orders-table { display: block; max-width: 100%; overflow-x: auto; }
}

/* ---------- forms (Contact Form 7) ---------- */
.wpcf7 label { display: block; font-weight: 600; color: var(--ink); }
.wpcf7 input[type="text"], .wpcf7 input[type="email"], .wpcf7 select, .wpcf7 textarea { display: block; width: 100%; margin-top: 6px; min-height: 48px; padding: 10px 12px; font: inherit; font-weight: 400; color: var(--text); background: var(--white); border: 1.5px solid #8A97A8; border-radius: var(--r-sm); }
.wpcf7 textarea { min-height: 160px; }
.wpcf7 p { margin: 0 0 16px; }
.wpcf7 input[type="submit"] { min-height: 48px; padding: 0 22px; font: 600 17px var(--wp--preset--font-family--inter); background: var(--label); color: var(--ink); border: 0; border-radius: var(--r-sm); cursor: pointer; }
.wpcf7 input[type="submit"]:hover { background: #F7D27A; }
.wpcf7-not-valid-tip { color: #B42318; font-size: 15px; margin-top: 4px; }
.wpcf7 form .wpcf7-response-output { margin: 16px 0 0; padding: 12px 14px; border-radius: var(--r-sm); }

/* ---------- blog list ---------- */
.ssh-post-list > li { padding: 24px 0; border-top: 1px solid var(--line); }
.ssh-post-list h2 { font-size: 24px; margin: 0; }

/* ---------- footer ---------- */
.ssh-site-footer, .wp-site-blocks > footer.wp-block-template-part { background: var(--ink); color: var(--on-ink-soft); padding: 36px 16px 40px; font-size: 15px; }
.ssh-foot { max-width: var(--wrap); margin-inline: auto; display: grid; gap: 18px; }
@media (min-width: 860px) { .ssh-foot { grid-template-columns: 2fr 1fr 1fr; } }
.ssh-foot p { margin: 0; }
.ssh-foot-name { color: var(--white); font: 700 18px var(--wp--preset--font-family--literata); margin-bottom: 6px !important; }
.ssh-foot-links ul { list-style: none; margin: 0; padding: 0; }
.ssh-foot-links a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; color: var(--white); }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}