/* JasonFurr.com store — framework-free, accessible (WCAG 2.2 AA) stylesheet.
   No CSS framework; system font stack; high-contrast color choices. Availability and
   order/error state are always conveyed by text in addition to color (Use of Color). */

:root {
    --ink: #15202b;
    --ink-soft: #4a5763;
    --bg: #ffffff;
    --bg-soft: #f3f5f7;
    --accent: #0b5cab;      /* >= 4.5:1 on white */
    --accent-ink: #ffffff;
    --accent-strong: #094a8a;
    --border: #d4dade;
    --focus: #1763c7;
    --max-width: 64rem;

    --success: #1b7a3d;     /* green; >= 4.5:1 for white text */
    --error: #b21f2d;       /* red */
    --warn: #8a6100;        /* amber/brown */
}

* { box-sizing: border-box; }

html { font-size: 100%; }

body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

/* Keyboard accessibility: visible skip link + focus outline. */
.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--accent);
    color: var(--accent-ink);
    padding: 0.5rem 1rem;
    z-index: 100;
}
.skip-link:focus { left: 0; }

a { color: var(--accent); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

/* Visually hidden but available to assistive technology. */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

header {
    border-bottom: 1px solid var(--border);
    background: var(--bg-soft);
}
header nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.25rem; text-decoration: none; color: var(--ink); }
.nav-links {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}
.nav-account { font-size: 0.95rem; }
.nav-form { margin: 0; }

.cart-count {
    display: inline-block;
    min-width: 1.4rem;
    padding: 0 0.35rem;
    margin-left: 0.25rem;
    border-radius: 1rem;
    background: var(--accent);
    color: var(--accent-ink);
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

h1 { font-size: 2rem; line-height: 1.25; }
h2 { font-size: 1.5rem; margin-top: 2rem; }
h3 { font-size: 1.2rem; }
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 48rem; }
.muted { color: var(--ink-soft); }

section + section { margin-top: 1.5rem; }

footer {
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
}
footer p {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.25rem;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

code { background: var(--bg-soft); padding: 0.1rem 0.35rem; border-radius: 0.25rem; }

/* --- Buttons and links-as-buttons --- */

.button,
.link-button {
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    border-radius: 0.4rem;
    text-decoration: none;
}
.button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--accent);
    color: var(--accent-ink);
    border: 1px solid var(--accent);
}
.button:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.button-secondary {
    background: var(--bg);
    color: var(--accent);
    border: 1px solid var(--accent);
}
.button-secondary:hover { background: var(--bg-soft); }
.link-button {
    padding: 0;
    background: none;
    border: none;
    color: var(--accent);
    text-decoration: underline;
}

/* --- Forms --- */

.field { margin: 1rem 0; max-width: 28rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.field input[type="text"],
.field input[type="email"],
.field input[type="search"],
.field input[type="number"],
.field select {
    width: 100%;
    padding: 0.5rem 0.6rem;
    font: inherit;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.4rem;
}
.field-help { font-size: 0.9rem; margin: 0.25rem 0 0; }
.field-error { display: block; color: var(--error); font-weight: 600; margin-top: 0.25rem; }
.field-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    max-width: none;
}

.catalog-filters {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-top: 1rem;
}
.catalog-filters .field { margin: 0; }

/* --- Notices (accessible status/error banners) --- */

.notice {
    border: 1px solid var(--border);
    border-left-width: 0.5rem;
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    background: var(--bg-soft);
}
.notice p { margin: 0.25rem 0; }
.notice p:first-child { margin-top: 0; }
.notice p:last-child { margin-bottom: 0; }
.notice-success { border-left-color: var(--success); }
.notice-error { border-left-color: var(--error); }
.notice-unavailable { border-left-color: var(--warn); }
.notice-error[role="alert"]:empty { display: none; }

/* --- Catalog / product grid --- */

.result-count { margin: 1rem 0 0.5rem; }

.product-grid {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.product-card {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.product-name { margin: 0; font-size: 1.15rem; }
.product-summary { margin: 0; color: var(--ink-soft); }
.product-price { margin: 0; font-weight: 700; }
.product-price-detail { font-size: 1.3rem; }
.product-unavailable { margin: 0; color: var(--warn); font-weight: 600; }
.add-form { margin: 0; margin-top: auto; }

.breadcrumb { margin: 0 0 1rem; font-size: 0.95rem; }
.product-detail .product-description { max-width: 48rem; }
.product-category { margin-top: 0; }

.pagination {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
.page-indicator { font-weight: 600; }

/* --- Cart / order tables --- */

.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
.cart-table caption { text-align: left; }
.cart-table th,
.cart-table td {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.cart-table thead th { border-bottom: 2px solid var(--border); }
.cart-table tfoot th,
.cart-table tfoot td { border-bottom: none; }
.quantity-form { display: flex; gap: 0.5rem; align-items: center; margin: 0; }
.quantity-form input[type="number"] { width: 4.5rem; }

.cart-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}
.cart-actions form { margin: 0; }
.cart-signin-note { margin-top: 1rem; }

.checkout-form { margin-top: 1.5rem; max-width: 48rem; }

/* --- Library --- */

.library-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.5rem;
}
.library-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg);
}
.library-item-name { font-weight: 600; flex: 1 1 12rem; }
.library-item-detail { flex: 1 1 100%; font-size: 0.95rem; }
.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 1rem;
    background: var(--success);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; }
}