/* BOOKS-92. Shared primitives; page composition opts in as each family migrates.
   Legacy content retains its typography and surfaces until its own ticket. */
:root {
    --reading-paper: #faf8f2;
    --reading-ink: #262c26;
    --reading-muted: #62685e;
    --reading-green: #315d45;
    --reading-green-hover: #234a35;
    --reading-rule: #dedfd4;
    --reading-surface: #fffefa;
    --reading-focus: #a76c2b;
    --reading-error: #8d3029;
    --reading-input: #7c8974;
    --reading-heading: "DM Serif Display", Georgia, serif;
    --reading-body: "Source Sans 3", "Segoe UI", sans-serif;
}

.site-nav {
    padding: 1rem 0;
    background: var(--sand, #e9dfd1);
    border-bottom: 1px solid #cdbfa9;
    color: var(--reading-green-hover);
    font: 1rem/1.6 var(--reading-body);
}
.site-nav .container-fluid { max-width: 1168px; padding-inline: 24px; gap: 1rem; }
.site-nav .navbar-brand {
    color: var(--reading-green-hover);
    font: 1.5rem/1.2 var(--reading-heading);
    margin-right: 1.5rem;
    white-space: normal;
}
.site-nav .navbar-collapse { gap: 1rem; }
.site-nav .navbar-nav { gap: .25rem; }
.site-nav .nav-link { color: var(--reading-green-hover); padding: .5rem; font-size: 1rem; }
.site-nav .nav-link:hover, .site-nav .nav-link.active, .site-nav .nav-link.show { color: var(--reading-green-hover); text-decoration: underline; text-decoration-color: var(--reading-focus); text-decoration-thickness: 2px; text-underline-offset: .4rem; }
.site-nav .navbar-toggler { display: flex; gap: .5rem; align-items: center; min-height: 44px; border: 1px solid var(--reading-input); border-radius: 5px; font: inherit; color: var(--reading-ink); }
.site-nav .navbar-toggler-icon { width: 1rem; height: 1rem; }
.site-nav .dropdown-menu { min-width: 15rem; max-width: calc(100vw - 48px); border: 1px solid var(--reading-rule); border-radius: 5px; padding: .5rem; background: var(--reading-paper); box-shadow: 0 6px 16px #262c2612; }
.site-nav .dropdown-item { padding: .6rem .75rem; white-space: normal; border-radius: 3px; color: var(--reading-green-hover); font-size: 1rem; font-weight: 400; }
.site-nav .dropdown-item:hover, .site-nav .dropdown-item:focus, .site-nav .dropdown-item.active { background: var(--sand, #e9dfd1); color: var(--reading-green-hover); }
.site-nav .dropdown-header { color: var(--reading-muted); font: 600 .875rem/1.6 var(--reading-body); letter-spacing: 0; }
.site-nav .catalogue-search { display: grid; gap: .5rem; padding: .5rem .75rem; width: 17rem; max-width: 100%; }
.site-nav .form-control { min-height: 44px; border: 1px solid var(--reading-input); border-radius: 5px; background: var(--reading-surface); color: var(--reading-ink); font: 1rem/1.6 var(--reading-body); }
.site-nav .btn { min-height: 44px; border: 1px solid var(--reading-green); border-radius: 5px; background: var(--reading-green); color: var(--reading-surface); font: 600 1rem/1.6 var(--reading-body); }
.site-nav .btn:hover { background: var(--reading-green-hover); }
.site-nav :is(a,button,input):focus-visible, .literary-page :is(a,button,input,summary):focus-visible { outline: 3px solid var(--reading-focus); outline-offset: 4px; box-shadow: none; }
.app-messages { padding-block: 1.5rem; }
.site-footer { width: min(1120px, calc(100% - 48px)); margin: auto auto 0; padding: 1.5rem 0; border-top: 1px solid var(--reading-rule); color: var(--reading-muted); font: .875rem/1.6 var(--reading-body); text-align: center; }

.literary-page { background: var(--reading-paper); color: var(--reading-ink); font: 1rem/1.6 var(--reading-body); }
.literary-page :is(h1,h2,h3) { color: var(--reading-ink); font-family: var(--reading-heading); font-weight: 400; letter-spacing: -.02em; }
.literary-page h1 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.15; }
.literary-page h2 { font-size: 1.9rem; line-height: 1.25; }
.literary-page h3 { font-size: 1.4rem; line-height: 1.3; }
.literary-page a { color: var(--reading-green); text-underline-offset: .2em; }
.literary-page a:hover { color: var(--reading-green-hover); }
.literary-page .btn-primary { --bs-btn-bg: var(--reading-green); --bs-btn-border-color: var(--reading-green); --bs-btn-hover-bg: var(--reading-green-hover); --bs-btn-hover-border-color: var(--reading-green-hover); --bs-btn-active-bg: var(--reading-green-hover); --bs-btn-active-border-color: var(--reading-green-hover); --bs-btn-disabled-bg: var(--reading-green); --bs-btn-disabled-border-color: var(--reading-green); color: var(--reading-surface); }
.literary-page .btn { min-height: 44px; border-radius: 5px; padding: .65rem 1rem; font-size: 1rem; }
.literary-page .page-header { padding: 0; margin: 0 0 2rem; background: none; border: 0; box-shadow: none; }
.literary-page .page-header__description { max-width: 65ch; color: var(--reading-muted); }
@media (min-width: 992px) { .site-nav .navbar-toggler { display: none; } .site-nav .journal-search-link { display: none; } }
@media (max-width: 991px) {
    .site-nav .navbar-collapse { padding-top: 1rem; }
    .site-nav .navbar-nav { gap: .25rem; }
    .site-nav .navbar-collapse > .d-flex { display: block !important; }
    .site-nav .nav-link { min-height: 44px; }
    .site-nav .dropdown-menu { width: 100%; max-width: 100%; box-shadow: none; }
    .site-nav .catalogue-search { width: 100%; }
}
@media (max-width: 390px) { .site-nav .container-fluid { padding-inline: 20px; gap: .5rem; } .site-nav .navbar-brand { font-size: 1.25rem; margin-right: 0; } }