/* "Gilt & Oxblood" skin. Loaded after responsive.css.
   Colour, type and surface treatment only — responsive.css remains authoritative for layout. */

:root {
    --oxblood: #8B0000;
    --oxblood-deep: #5E0000;
    --oxblood-bright: #A81616;
    --logo-green: #1F7F4A;
    --logo-green-deep: #155D36;
    --logo-green-bright: #2B9A5D;

    --gilt: #B08D3F;
    --gilt-light: #D9BE7A;
    --gilt-dark: #8A6D2C;

    --forest: #1F3D34;

    --ink: #241E1C;
    --ink-soft: #5C534E;
    --ink-muted: #7A716B;

    --parchment: #F7F2E8;
    --parchment-deep: #EDE4D4;
    --card: #FFFDF9;
    --rule: #E0D5C2;

    --font-display: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
    --font-sans: 'Source Sans 3', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-read: 'Lora', Georgia, 'Times New Roman', serif;
    --font-ui: var(--font-sans);
    --font-body: var(--font-sans);

    --shadow-sm: 0 1px 2px rgba(36, 30, 28, 0.08);
    --shadow-md: 0 2px 10px rgba(36, 30, 28, 0.10);
    --shadow-lg: 0 6px 26px rgba(36, 30, 28, 0.13);
}


/* ---------- Base typography ---------- */

body {
    background-color: var(--parchment);
    background-image:
        radial-gradient(circle at 18% 12%, rgba(176, 141, 63, 0.055), transparent 42%),
        radial-gradient(circle at 82% 78%, rgba(139, 0, 0, 0.045), transparent 46%);
    background-attachment: fixed;
    color: var(--ink);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.25;
    color: var(--ink);
    letter-spacing: -0.005em;
}

h1 { font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.35rem); }
h2 { font-size: clamp(1.3rem, 1rem + 1.1vw, 1.8rem); }
h3 { font-size: clamp(1.15rem, 1rem + 0.7vw, 1.5rem); }
h4 { font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem); }

/* Long-form prose keeps a reading serif; everything else is the sans. */
.book_info,
#home_msg p,
.book_result .caption i {
    font-family: var(--font-read);
}

a {
    color: var(--oxblood);
    text-underline-offset: 0.16em;
    transition: color 0.15s ease;
}

a:hover,
a:focus {
    color: var(--oxblood-bright);
}

::selection {
    background: var(--gilt-light);
    color: var(--ink);
}

:focus-visible {
    outline: 2px solid var(--gilt-dark);
    outline-offset: 2px;
}

/* Font Awesome and Semantic UI ship their own stacks; only the UI text needs remapping. */
.btn, button, input, select, textarea, label,
.nav, table, .pagination, .breadcrumb, .badge, .label, .alert {
    font-family: var(--font-ui);
}

i.fa, i[class^="icon-"], i[class*=" icon-"] {
    font-family: FontAwesome;
}

.muted {
    color: var(--ink-muted);
}

hr {
    border: 0;
    border-top: 1px solid var(--rule);
}


/* ---------- Page shell ---------- */

#container {
    background-color: var(--card);
    border: 1px solid var(--rule);
    border-top: 3px solid var(--oxblood);
    border-radius: 3px;
    box-shadow: var(--shadow-lg);
}


/* ---------- Masthead ---------- */

#tagline {
    color: var(--oxblood-deep);
    font-family: var(--font-display);
}

#tagline > h2 {
    font-weight: 500;
    font-style: italic;
    color: var(--oxblood-deep);
}

.masthead .utility-nav > li > a {
    font-family: var(--font-ui);
    font-size: clamp(0.9rem, calc(0.75vw + 0.75vh), 1.1rem);
    font-weight: 500;
    color: var(--ink-soft);
    letter-spacing: 0.01em;
    border-radius: 3px;
}

.masthead .utility-nav > li > a:hover {
    color: var(--oxblood);
    background-color: var(--parchment-deep);
}

.masthead .utility-nav .catalog-dropdown > .dropdown-toggle {
    color: var(--forest);
    font-weight: 700;
}

.masthead .utility-nav .nav-link {
    border: 1px solid var(--gilt);
    border-radius: 3px;
    background: linear-gradient(to bottom, #FFFFFF, var(--parchment-deep)) !important;
    text-shadow: none;
}

.masthead .utility-nav .nav-link a {
    color: var(--gilt-dark);
    font-weight: 600;
}

.masthead .utility-nav #logout-btn {
    font-family: var(--font-ui);
    font-size: clamp(0.9rem, calc(0.75vw + 0.75vh), 1.1rem);
    font-weight: 500;
    color: var(--ink-soft);
}

.masthead .utility-nav #logout-btn:hover {
    color: var(--oxblood);
}

/* Dark oxblood menu strip */
.masthead .navbar .navbar-inner {
    background-color: #6E0000 !important;
    background-image: linear-gradient(to bottom, #7A0000, var(--oxblood-deep)) !important;
    border: 1px solid var(--oxblood-deep);
    border-bottom: 2px solid var(--gilt-dark);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.10);
}

.masthead .primary-nav > li > a {
    font-family: var(--font-ui);
    font-size: clamp(0.9rem, calc(0.75vw + 0.75vh), 1.1rem);
    font-weight: 500;
    color: #F3E7D8;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
    border-left: 1px solid rgba(255, 255, 255, 0.10);
    border-right: 1px solid rgba(0, 0, 0, 0.22);
}

.masthead .primary-nav > li > a:hover,
.masthead .primary-nav > li.open > a {
    color: #FFFFFF;
    background-color: rgba(0, 0, 0, 0.22);
}

/* Bootstrap's .nav > li.dropdown.open > .dropdown-toggle is (0,4,0); match it to keep the dark strip legible. */
.masthead .primary-nav > li.dropdown.open > .dropdown-toggle,
.masthead .primary-nav > li.dropdown.open > .dropdown-toggle:hover,
.masthead .primary-nav > li.dropdown.open > .dropdown-toggle:focus {
    color: #FFFFFF;
    background-color: rgba(0, 0, 0, 0.28);
}

/* Carets track their link colour instead of Bootstrap's fixed grey/oxblood. */
.masthead .nav .dropdown-toggle .caret,
.masthead .nav > li.dropdown.open > .dropdown-toggle .caret {
    border-top-color: currentColor;
    border-bottom-color: currentColor;
    opacity: 0.9;
}

/* Search continues the dark strip */
@media (min-width: 992px) {
    .site-search {
        background-color: #6E0000 !important;
        background-image: linear-gradient(to bottom, #7A0000, var(--oxblood-deep)) !important;
        border: 1px solid var(--oxblood-deep);
        border-bottom: 2px solid var(--gilt-dark);
        border-left: 0;
    }
}

.site-search [name="q"] {
    background-color: var(--card);
    border: 1px solid var(--gilt-dark);
    border-radius: 3px;
    color: var(--ink);
    font-family: var(--font-ui);
    font-size: 0.86rem;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.12);
}

.site-search [name="q"]::placeholder {
    color: var(--ink-muted);
    font-style: italic;
}

@media (min-width: 992px) {
    /* The magnifier glyph is dark artwork sitting on the dark strip. */
    .site-search [type="image"] {
        filter: brightness(0) invert(1) opacity(0.85);
    }
}

.dropdown-menu {
    background-color: var(--card);
    border: 1px solid var(--rule);
    border-radius: 3px;
    box-shadow: var(--shadow-md);
}

.dropdown-menu > li > a {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--ink);
}

.dropdown-menu > li > a:hover,
.dropdown-menu > li > a:focus {
    background-color: var(--oxblood) !important;
    background-image: none !important;
    color: #FFFFFF;
}

.dropdown-menu .dropdown-header {
    font-family: var(--font-ui);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gilt-dark);
}

.nav-toggle {
    background-color: #6E0000;
    background-image: linear-gradient(to bottom, #7A0000, var(--oxblood-deep));
    border: 1px solid var(--oxblood-deep);
    border-radius: 3px;
    color: #F3E7D8;
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
    background: var(--gilt-light);
}

@media (max-width: 991px) {
    .masthead .primary-nav > li > a {
        border-left: 0;
        border-right: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .masthead .utility-nav > li > a {
        border-top: 1px solid var(--rule);
    }

    /* styles.css pins this to margin:0 !important, leaving its top border flush with the item above. */
    #site-nav .catalog-dropdown > a {
        margin: 0.9rem 0 0.6rem !important;
    }

    /* Submenus sit on the dark strip, so they need the light text treatment. */
    #site-nav .primary-nav .dropdown-menu > li > a {
        color: #E8D9C6;
    }

    #site-nav .primary-nav .dropdown-menu > li > a:hover,
    #site-nav .primary-nav .dropdown-menu > li > a:focus {
        background-color: rgba(0, 0, 0, 0.3) !important;
        background-image: none !important;
        color: #FFFFFF;
    }
}


/* ---------- Footer ---------- */

footer {
    background-color: var(--oxblood-deep);
    background-image: linear-gradient(to bottom, #6E0000, #3F0000);
    border-top: 3px solid var(--gilt-dark);
    color: #EFE3D2;
    font-family: var(--font-ui);
    font-size: 0.86rem;
}

footer b,
footer strong {
    color: var(--gilt-light);
    font-weight: 600;
}

footer a:link,
footer a:visited,
footer a:active {
    color: #F3E7D8;
}

footer a:hover {
    color: var(--gilt-light);
}


/* ---------- Frames ---------- */

.frame {
    background-color: var(--parchment-deep);
    border: 1px solid var(--rule);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.frame .heading {
    background-color: var(--oxblood);
    background-image: linear-gradient(to bottom, #9B0F0F, var(--oxblood-deep));
    border-bottom: 2px solid var(--gilt-dark);
    border-radius: 0;
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #FDF6EC;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}

#authors_recommendations .heading {
    font-size: 1.02rem;
}

.frame .content {
    color: var(--ink);
}

.frame .content a {
    color: var(--oxblood-deep);
}

.frame .content a:hover {
    color: var(--oxblood-bright);
}


/* ---------- Buttons ---------- */

.btn {
    background-color: var(--card);
    background-image: linear-gradient(to bottom, #FFFFFF, var(--parchment-deep));
    border: 1px solid var(--rule);
    border-radius: 3px;
    color: var(--ink);
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.86rem;
    letter-spacing: 0.02em;
    text-shadow: none;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover,
.btn:focus {
    background-image: linear-gradient(to bottom, #FFFFFF, #E3D7C2);
    border-color: var(--gilt);
    color: var(--oxblood);
}

.btn-primary,
.btn-action,
.btn-success,
input[type="submit"].btn,
.btn-primary:focus {
    background-color: var(--oxblood) !important;
    background-image: linear-gradient(to bottom, #9B0F0F, var(--oxblood-deep)) !important;
    border: 1px solid var(--oxblood-deep);
    color: #FFFFFF !important;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
}

.btn-primary:hover,
.btn-action:hover,
.btn-success:hover,
input[type="submit"].btn:hover {
    background-image: linear-gradient(to bottom, #A81616, #6E0000) !important;
    border-color: var(--gilt-dark);
    color: #FFFFFF !important;
}

.btn-mini {
    font-size: 0.76rem;
    letter-spacing: 0.03em;
}

/* Primary purchase CTA — the template marks it only as a plain .btn. */
.add_cart .btn {
    background-color: var(--logo-green);
    background-image: linear-gradient(to bottom, var(--logo-green-bright), var(--logo-green-deep));
    border-color: var(--logo-green-deep);
    color: #FFFFFF;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
}

.add_cart .btn:hover {
    background-image: linear-gradient(to bottom, #35AE6D, var(--logo-green));
    border-color: var(--gilt-dark);
    color: #FFFFFF;
}

/* Cart checkout CTA and its expanded-detail state. */
#checkout_button.btn-success {
    background-color: var(--logo-green) !important;
    background-image: linear-gradient(to bottom, var(--logo-green-bright), var(--logo-green-deep)) !important;
    border-color: var(--logo-green-deep);
    color: #FFFFFF !important;
}

#checkout_button.btn-success:hover,
#checkout_button.btn-success:focus {
    background-image: linear-gradient(to bottom, #35AE6D, var(--logo-green)) !important;
    border-color: var(--gilt-dark);
    color: #FFFFFF !important;
}

/* The close control uses the light Browse Categories treatment with green accents. */
#checkout_button:not(.btn-success) {
    background-color: var(--parchment-deep) !important;
    background-image: linear-gradient(to bottom, #FFFFFF, var(--parchment-deep)) !important;
    border-color: var(--logo-green) !important;
    color: var(--logo-green-deep) !important;
}

#checkout_button:not(.btn-success):hover,
#checkout_button:not(.btn-success):focus {
    background-image: linear-gradient(to bottom, #FFFFFF, #DCEFE3) !important;
    border-color: var(--logo-green-deep) !important;
    color: var(--logo-green-deep) !important;
}

/* Account login submit CTA. */
.login .btn-primary {
    background-color: var(--logo-green) !important;
    background-image: linear-gradient(to bottom, var(--logo-green-bright), var(--logo-green-deep)) !important;
    border-color: var(--logo-green-deep);
    color: #FFFFFF !important;
}

.login .btn-primary:hover,
.login .btn-primary:focus {
    background-image: linear-gradient(to bottom, #35AE6D, var(--logo-green)) !important;
    border-color: var(--gilt-dark);
    color: #FFFFFF !important;
}


/* Checkout is the real CTA here; the template marks Continue Shopping as .btn-primary. */
#order_processing_buttons .btn-primary {
    background-color: var(--parchment-deep) !important;
    background-image: linear-gradient(to bottom, #FFFFFF, var(--parchment-deep)) !important;
    border-color: var(--rule);
    color: var(--ink) !important;
    text-shadow: none;
}

#order_processing_buttons .btn-primary:hover {
    background-image: linear-gradient(to bottom, #FFFFFF, #E3D7C2) !important;
    border-color: var(--gilt);
    color: var(--oxblood) !important;
}


/* ---------- Forms ---------- */

label,
.control-label {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.84rem;
    color: var(--ink-soft);
    letter-spacing: 0.01em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="search"],
input[type="url"],
select,
textarea,
.uneditable-input {
    background-color: var(--card);
    border: 1px solid var(--rule);
    border-radius: 3px;
    color: var(--ink);
    font-family: var(--font-ui);
    box-shadow: inset 0 1px 2px rgba(36, 30, 28, 0.06);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--gilt) !important;
    box-shadow: inset 0 1px 2px rgba(36, 30, 28, 0.06), 0 0 0 3px rgba(176, 141, 63, 0.22) !important;
    outline: none;
}

.helptext {
    color: var(--gilt-dark);
    font-family: var(--font-ui);
}

.errorlist,
form p[id^="error"] strong {
    color: var(--oxblood-bright);
    font-family: var(--font-ui);
}

.alert {
    background-color: var(--parchment-deep);
    border: 1px solid var(--gilt);
    border-radius: 3px;
    color: var(--ink);
    font-family: var(--font-ui);
    text-shadow: none;
}

.alert-success {
    border-color: var(--forest);
}

.alert-error,
.alert-danger {
    border-color: var(--oxblood);
}


/* ---------- Book cards ---------- */

.book_thumb img,
.book_result_thumb img,
.book_thumb_recommend img {
    border: 1px solid var(--rule);
    border-radius: 2px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.book_thumb a:hover img,
.book_result a:hover img,
.book_thumb_recommend a:hover img {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.book_thumb .book_title,
.book_result .book_title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
}

/* Author sits below the title as a bare text node, so it is coloured via .caption. */
.book_thumb .caption,
.book_thumb a:link .caption,
.book_thumb a:visited .caption,
.book_thumb a:active .caption {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--ink-soft);
    letter-spacing: 0.02em;
}

.book_author {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--ink-soft);
    letter-spacing: 0.02em;
}

.book_thumb .book_title,
.book_thumb a:link .book_title,
.book_thumb a:visited .book_title,
.book_thumb a:active .book_title {
    color: var(--oxblood-deep);
}

.book_thumb a:hover .book_title {
    color: var(--oxblood-bright);
}

.book_thumb a:link,
.book_thumb a:active,
.book_thumb a:visited {
    color: var(--ink-soft);
}

.book_thumb a:hover {
    color: var(--ink);
}

.book_result a:link .book_title,
.book_result a:active .book_title,
.book_result a:visited .book_title {
    color: var(--oxblood-deep);
}

.book_result a:hover .book_title {
    color: var(--oxblood-bright);
}

.book_result .caption {
    color: var(--ink-soft);
    font-family: var(--font-sans);
}

.book_result .caption i {
    color: var(--ink-muted);
}


/* ---------- Book detail ---------- */

h1.book_title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 28pt;
    line-height: 1.2;
    color: var(--oxblood-deep);
}

h2.author {
    font-family: var(--font-sans);
    font-weight: 600;
    font-style: normal;
    color: var(--gilt-dark);
    letter-spacing: 0.03em;
}

.book_info {
    color: var(--ink);
}

.price {
    font-family: var(--font-ui);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--oxblood-deep);
    letter-spacing: -0.01em;
}

.purchase {
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 0.85rem 0;
}

.banner {
    color: var(--oxblood-deep);
    background-color: var(--parchment-deep);
    border: 1px solid var(--gilt);
    border-radius: 3px;
    font-family: var(--font-display);
    font-weight: 700;
}

.related {
    border-left: 1px solid var(--rule);
}

#related-topics a:link,
#related-topics a:active,
#related-topics a:visited {
    color: var(--oxblood-deep);
}

#related-topics a:hover {
    color: var(--oxblood-bright);
}

.sep {
    color: var(--gilt);
}

#slideshow > div .title {
    font-family: var(--font-ui);
    background-color: rgba(62, 0, 0, 0.78);
    color: #F7EEE0;
}

/* We Recommend text mirrors the Latest Arrivals book cards. */
#slideshow .caption {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--ink-soft);
    letter-spacing: 0.02em;
}

#slideshow .caption .book_title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--oxblood-deep);
}

#slideshow .caption .book_author {
    color: var(--ink-soft);
}

#slideshow a:hover .book_title {
    color: var(--oxblood-bright);
}

#slideshow i.fa-angle-left,
#slideshow i.fa-angle-right {
    color: var(--oxblood);
}


/* ---------- Lists, tables, pagination ---------- */

.topic-list a {
    color: var(--oxblood-deep);
}

.topic-list a:hover {
    color: var(--oxblood-bright);
}

.catalog-row {
    border-bottom: 1px solid var(--gilt);
}

.asset-list {
    background-color: var(--parchment-deep);
    border: 1px solid var(--rule);
    border-radius: 3px;
}

table.shopping-cart th {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.84rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--oxblood-deep);
}

table.shopping-cart .items-header {
    background-color: var(--parchment-deep);
}

table.shopping-cart tr.item td {
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}

.cart-footer td {
    font-family: var(--font-ui);
    color: var(--ink);
}

#results_summary > h1 {
    color: var(--oxblood-deep);
}

.pagination {
    font-family: var(--font-ui);
}

.endless_page_current,
.pagination .active.item {
    background-color: var(--oxblood-deep);
    color: #FFFFFF;
    border-radius: 3px;
}

#return-to-top {
    background: rgba(94, 0, 0, 0.8);
}

#return-to-top:hover {
    background: rgba(94, 0, 0, 0.95);
}

/* Semantic UI (checkout) and jQuery UI ship their own font stacks. */
.ui.header,
.ui.card .content,
.ui.segment,
.ui.form,
.ui.button,
.ui-widget {
    font-family: var(--font-ui) !important;
}


@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Bootstrap overrides */
.navbar .nav li.dropdown>.dropdown-toggle .caret {
    border-top-color: #F3E7D8;
}
.navbar .nav li.dropdown>a:hover .caret, .navbar .nav li.dropdown>a:focus .caret {
    border-top-color: #FFFFFF;
}