/* site/src/css/theme.css - "Blueprint sheet" theme
 *
 * Loaded last (after page styles) so it overrides the older glassmorphic/gradient look.
 * Off-white drafting paper with a faint grid, navy ink, copper accent, title-block labels.
 */

:root {
    --paper: #f5f3ec;
    --paper-card: #ffffff;
    --grid-minor: rgba(27, 42, 65, 0.05);
    --grid-major: rgba(27, 42, 65, 0.09);
    --ink: #1b2a41;
    --ink-soft: #4a5a70;
    --ink-faint: #7b8798;
    --line: #cfd6df;
    --copper: #b4621f;
    --copper-dark: #8e4a14;
    --copper-tint: rgba(180, 98, 31, 0.1);
    --free: #1a8f3c;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 0 rgba(27, 42, 65, 0.06), 0 6px 18px rgba(27, 42, 65, 0.06);
    --font-display: 'Barlow Condensed', 'Inter', sans-serif;
    --font-label: 'IBM Plex Mono', ui-monospace, monospace;
}

/* === PAPER BACKGROUND (replaces the animated gradient) === */
body {
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--grid-major) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
        linear-gradient(var(--grid-minor) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    background-position: -1px -1px;
    background-attachment: fixed;
    animation: none;
    color: var(--ink);
}

h1, h2, h3, h4 {
    color: var(--ink);
    text-shadow: none !important;
}

h1, h2 {
    font-family: var(--font-display);
    letter-spacing: 0.2px;
}

a {
    color: var(--copper-dark);
}

/* === SHEETS: every card/panel becomes a flat white drawing sheet === */
.glass-container,
.glass-container-small,
.intro-text,
.product,
.product-card,
.product-images,
.product-info,
.product-details-tabs,
.brands-carousel-section,
.horizontal-ad-container,
.cart-item,
.breadcrumbs,
.families-breadcrumbs,
.product-main-content,
.product-sidebar,
.product-description-wrapper,
.sidebar,
#loading-state,
#error-state {
    background: var(--paper-card) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
}

.taxonomy-item {
    background: var(--paper) !important;
    border: 1px solid var(--line) !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: none !important;
}

.product:hover,
.product-card:hover {
    transform: translateY(-3px);
    border-color: var(--ink-faint) !important;
}

.intro-carousel,
.product-image-viewer {
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    backdrop-filter: none !important;
}

/* === BUTTONS === */
.btn,
.btn-primary {
    background: var(--copper);
    color: #fff;
    border-radius: 4px;
    font-weight: 600;
    box-shadow: 0 2px 0 var(--copper-dark);
    text-shadow: none;
}

.btn:hover,
.btn-primary:hover {
    background: var(--copper-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 3px 0 #6b370e;
}

.btn-secondary {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--ink);
    box-shadow: none;
    backdrop-filter: none;
}

.btn-secondary:hover {
    background: var(--ink);
    color: #fff;
}

.add-to-cart-btn,
#checkout-btn {
    background: var(--copper);
    border-radius: 4px;
    box-shadow: 0 2px 0 var(--copper-dark);
}

/* === PRICES, TABS, LINKS (old purple -> ink/copper) === */
.price,
.product-price,
.product-info .price {
    color: var(--ink);
}

.tab-link.active,
.tab-button.active {
    color: var(--copper-dark);
    border-bottom-color: var(--copper);
}

.tab-link:hover,
.tab-button:hover,
.breadcrumbs a,
.families-breadcrumbs a,
.taxonomy-value a {
    color: var(--copper-dark);
}

.thumbnail.active,
.thumbnail:hover {
    border-color: var(--copper);
    box-shadow: 0 0 0 3px var(--copper-tint);
}

.filter-search-btn {
    background-color: var(--ink);
}

/* === HEADER: white title strip with a heavy ink rule === */
.site-header,
.site-header.scrolled {
    background-color: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 3px solid var(--ink);
    box-shadow: 0 2px 0 var(--copper), 0 6px 18px rgba(27, 42, 65, 0.08);
}

.search-form,
.site-header.scrolled .search-form,
.search-form-mobile {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 4px;
    backdrop-filter: none;
    box-shadow: none;
}

.search-form button,
.site-header.scrolled .search-form button,
.search-form-mobile button,
.site-header.scrolled .search-form-mobile button {
    background: var(--ink);
    border-radius: 0;
}

nav.main-nav a,
.site-header.scrolled nav.main-nav a {
    color: var(--ink);
    font-family: var(--font-label);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid transparent;
}

nav.main-nav a:hover,
.site-header.scrolled nav.main-nav a:hover {
    color: var(--copper-dark);
    border-bottom-color: var(--copper);
}

.mobile-menu-toggle,
.site-header.scrolled .mobile-menu-toggle {
    color: var(--ink);
}

.mobile-nav-container,
.site-header.scrolled .mobile-nav-container.is-active {
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    border-bottom: 3px solid var(--ink);
}

nav.mobile-nav a,
.site-header.scrolled nav.mobile-nav a {
    color: var(--ink);
    border-bottom: 1px solid var(--line);
}

nav.mobile-nav a:hover {
    background-color: var(--copper-tint);
    color: var(--copper-dark);
}

.cart-btn,
.cart-btn:hover,
.site-header.scrolled .cart-btn.show {
    background: var(--copper);
    border-radius: 4px;
    box-shadow: 0 2px 0 var(--copper-dark);
}

.cart-btn .cart-count,
.download-btn .download-count {
    color: var(--ink);
}

.download-btn,
.site-header.scrolled .download-btn.show {
    background: var(--free);
    border-radius: 4px;
    box-shadow: 0 2px 0 #12672b;
}

/* === HOME INTRO === */
.intro-container h1 {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.1;
    text-transform: uppercase;
    color: var(--ink);
}

.intro-text h3 {
    color: var(--ink);
}

.intro-text li {
    color: var(--ink-soft);
}

.carousel-arrow {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 4px;
    backdrop-filter: none;
}

.carousel-dot {
    border: 2px solid var(--ink);
    background: transparent;
    backdrop-filter: none;
}

.carousel-dot:hover,
.carousel-dot.active {
    background: var(--copper);
    border-color: var(--copper);
}

.brand-carousel-dot {
    border-color: var(--ink);
    background: transparent;
}

.brand-carousel-dot.active,
.brand-carousel-dot:hover {
    background: var(--copper);
    border-color: var(--copper);
}

.brand-slide {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    backdrop-filter: none;
}

.brand-carousel-arrow {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
    backdrop-filter: none;
}

/* === TITLE-BLOCK LABEL: small mono tag above a heading, e.g. <span class="sheet-label">P-01 · Plugin</span> === */
.sheet-label {
    align-self: flex-start;
    display: inline-block;
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--ink-soft);
    border: 1px solid var(--ink-soft);
    padding: 2px 8px;
    margin-bottom: 10px;
}

/* === DIVIDER: the twinkling stars become a drafting dimension line === */
.star-divider {
    position: relative;
    height: 24px;
    padding: 0;
    margin: 3rem auto;
    max-width: 640px;
}

.star-divider .stars {
    display: none;
}

.star-divider::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    border-top: 1px solid var(--ink-faint);
}

.star-divider::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 4px;
    bottom: 4px;
    border-left: 1px solid var(--ink-faint);
    border-right: 1px solid var(--ink-faint);
}

/* === ADS: quieter labels on the paper === */
.ad-label,
.horizontal-ad-container .ad-label {
    font-family: var(--font-label);
    color: var(--ink-faint);
}

/* === FOOTER: navy instead of black, copper top rule === */
.site-footer {
    background: var(--ink);
    color: #b9c3d0;
    border-top: 4px solid var(--copper);
}

.footer-column ul a,
.footer-social-links a {
    color: #b9c3d0;
}

@media (max-width: 480px) {
    .intro-container h1 {
        font-size: 1.8rem;
    }
}