/* ============================================================
   Proofpress design system — navy & gold, heritage publishing
   ============================================================ */

:root {
    --navy-950: #080D18;
    --navy-900: #0D1321;
    --navy-800: #131B2F;
    --navy-700: #1C2742;
    --navy-600: #28355A;

    --gold-600: #A8861D;
    --gold-500: #C9A227;
    --gold-400: #D4AF37;
    --gold-300: #E6C866;
    --gold-100: #F3E5BC;

    --cream-50: #FAF6EC;
    --cream-100: #F4EDDD;
    --cream-200: #EAE0C9;

    --ink-900: #191713;
    --ink-600: #4E483C;
    --ink-400: #857D6C;

    --serif: "Playfair Display", "Georgia", serif;
    --sans: "Inter", "Helvetica Neue", Arial, sans-serif;

    --shadow-card: 0 10px 30px rgba(13, 19, 33, .12);
    --shadow-card-hover: 0 18px 44px rgba(13, 19, 33, .22);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--sans);
    font-weight: 400;
    color: var(--ink-900);
    background:
        radial-gradient(1200px 500px at 85% -100px, rgba(201, 162, 39, .07), transparent 60%),
        var(--cream-50);
    line-height: 1.6;
}

img { max-width: 100%; display: block; }

.container {
    width: min(1160px, calc(100% - 48px));
    margin-inline: auto;
}

h1, h2, h3, .serif {
    font-family: var(--serif);
    color: var(--navy-900);
    line-height: 1.15;
    margin: 0 0 .5em;
}

a { color: var(--gold-600); text-decoration: none; }
a:hover { color: var(--gold-400); }

/* ---------- Header ---------- */

.site-header {
    background: linear-gradient(180deg, var(--navy-950), var(--navy-900));
    border-bottom: 1px solid rgba(201, 162, 39, .35);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-block: 14px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.monogram {
    width: 42px;
    height: 42px;
    object-fit: contain;
    display: block;
}

.brand-name {
    font-family: var(--serif);
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--cream-50);
}

.site-nav {
    margin-left: auto;
    display: flex;
    gap: 26px;
}

.site-nav a {
    color: var(--cream-100);
    font-size: .82rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: color .2s, border-color .2s;
}

.site-nav a:hover {
    color: var(--gold-300);
    border-color: var(--gold-500);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-switch button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--sans);
    font-size: .78rem;
    letter-spacing: .12em;
    color: var(--ink-400);
    padding: 4px 2px;
}

.lang-switch button.active {
    color: var(--gold-300);
    border-bottom: 1px solid var(--gold-500);
}

.lang-sep { color: var(--navy-600); }

/* ---------- Configurable home advertisement ---------- */

.home-advertisement-section { padding-top: 28px; }
.home-advertisement {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
    min-height: 300px;
    overflow: hidden;
    background: var(--navy-900);
    color: var(--cream-100);
    border: 1px solid rgba(212, 175, 55, .32);
    box-shadow: 0 18px 46px rgba(8, 13, 24, .16);
}
.home-advertisement-image { min-height: 300px; background: var(--navy-800); }
.home-advertisement-image img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; display: block; }
.home-advertisement-content {
    align-self: center;
    padding: clamp(28px, 5vw, 56px);
}
.home-advertisement-label {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--gold-300);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
}
.home-advertisement h2 { color: var(--cream-50); margin-bottom: 14px; }
.home-advertisement p { color: var(--cream-200); margin-bottom: 24px; }

@media (max-width: 760px) {
    .home-advertisement { grid-template-columns: 1fr; }
    .home-advertisement-image, .home-advertisement-image img { min-height: 220px; max-height: 320px; }
    .home-advertisement-content { padding: 26px; }
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(900px 420px at 20% -60px, rgba(212, 175, 55, .16), transparent 65%),
        radial-gradient(700px 380px at 90% 110%, rgba(40, 53, 90, .8), transparent 70%),
        linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);
    color: var(--cream-100);
    padding: clamp(64px, 10vw, 130px) 0;
}

.hero::after {
    /* subtle leather-grain noise */
    content: "";
    position: absolute;
    inset: 0;
    opacity: .05;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

.hero-inner { position: relative; z-index: 1; max-width: 720px; }

.hero-kicker {
    font-size: .8rem;
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--gold-300);
    margin-bottom: 18px;
}

.hero h1 {
    color: var(--cream-50);
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 700;
    margin-bottom: 18px;
}

.hero h1 em {
    font-style: italic;
    color: var(--gold-300);
}

.hero p {
    font-weight: 300;
    font-size: 1.08rem;
    color: var(--cream-200);
    max-width: 54ch;
    margin-bottom: 32px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--sans);
    font-size: .86rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    padding: 15px 34px;
    border: none;
    cursor: pointer;
    transition: transform .18s, box-shadow .18s, background .18s;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500) 55%, var(--gold-600));
    color: var(--navy-950);
    box-shadow: 0 6px 18px rgba(201, 162, 39, .35);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(201, 162, 39, .45);
    color: var(--navy-950);
}

.btn-outline {
    background: transparent;
    color: var(--gold-300);
    border: 1px solid var(--gold-500);
}

.btn-outline:hover {
    background: rgba(201, 162, 39, .1);
    color: var(--gold-100);
}

.btn[disabled] {
    opacity: .55;
    cursor: not-allowed;
    transform: none !important;
}

/* ---------- Sections ---------- */

.section { padding: clamp(48px, 7vw, 84px) 0; }

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 36px;
}

.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }

.section-head .rule {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(201, 162, 39, .6), transparent);
    align-self: center;
}

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

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 30px;
}

.book-card {
    background: linear-gradient(180deg, #FFFDF7, var(--cream-100));
    border: 1px solid var(--cream-200);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    transition: transform .2s, box-shadow .2s, border-color .2s;
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(201, 162, 39, .55);
}

.book-cover-wrap {
    position: relative;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    background:
        linear-gradient(160deg, var(--navy-800), var(--navy-950));
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-cover-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cover-placeholder {
    font-family: var(--serif);
    font-style: italic;
    color: var(--gold-400);
    opacity: .75;
    font-size: 1.1rem;
    padding: 20px;
    text-align: center;
}

.badge-bestseller {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
    color: var(--navy-950);
    font-size: .64rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    padding: 5px 10px;
    clip-path: polygon(8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%, 0 50%);
}

.book-body {
    padding: 20px 20px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.book-title {
    font-family: var(--serif);
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 6px;
}

.book-desc {
    font-size: .88rem;
    color: var(--ink-600);
    flex: 1;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.price {
    font-family: var(--serif);
    font-size: 1.22rem;
    font-weight: 700;
    color: var(--gold-600);
    white-space: nowrap;
}

.btn-buy {
    padding: 11px 22px;
    font-size: .74rem;
}

/* ---------- Product detail ---------- */

.product-page {
    display: grid;
    grid-template-columns: minmax(260px, 380px) 1fr;
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
}

.product-cover {
    position: relative;
    aspect-ratio: 2 / 3;
    background: linear-gradient(160deg, var(--navy-800), var(--navy-950));
    box-shadow: var(--shadow-card-hover);
    border: 1px solid rgba(201, 162, 39, .4);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info .price {
    font-size: 1.9rem;
    margin: 10px 0 22px;
}

.product-desc {
    white-space: pre-line;
    color: var(--ink-600);
    margin-top: 26px;
    padding-top: 26px;
    border-top: 1px solid var(--cream-200);
}

.product-note {
    margin-top: 18px;
    font-size: .82rem;
    color: var(--ink-400);
}

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

.form-card {
    background: #FFFDF7;
    border: 1px solid var(--cream-200);
    box-shadow: var(--shadow-card);
    padding: clamp(24px, 4vw, 40px);
    max-width: 520px;
}

.field { margin-bottom: 20px; }

.field label {
    display: block;
    font-size: .76rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-600);
    margin-bottom: 8px;
}

.field input[type="email"],
.field input[type="text"] {
    width: 100%;
    font-family: var(--sans);
    font-size: 1rem;
    padding: 13px 16px;
    border: 1px solid var(--cream-200);
    background: var(--cream-50);
    color: var(--ink-900);
    transition: border-color .2s, box-shadow .2s;
}

.field input:focus {
    outline: none;
    border-color: var(--gold-500);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, .18);
}

.error-text {
    color: #A03B2E;
    font-size: .84rem;
    margin-top: 6px;
}

.errorlist {
    list-style: none;
    padding: 0;
    margin: 0 0 8px;
    color: #A03B2E;
    font-size: .84rem;
}

/* ---------- Payment mock page ---------- */

.pay-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
}

.pay-card {
    width: min(440px, 100%);
    background: linear-gradient(170deg, var(--navy-900), var(--navy-800));
    border: 1px solid rgba(201, 162, 39, .45);
    box-shadow: var(--shadow-card-hover);
    padding: clamp(28px, 5vw, 44px);
    text-align: center;
    color: var(--cream-100);
}

.pay-card h1 {
    color: var(--cream-50);
    font-size: 1.5rem;
}

.pay-amount {
    font-family: var(--serif);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--gold-300);
    margin: 14px 0 4px;
}

.pay-email {
    font-size: .88rem;
    color: var(--cream-200);
    opacity: .8;
    margin-bottom: 28px;
}

.pay-title-line {
    font-size: .95rem;
    color: var(--cream-100);
    margin-bottom: 2px;
}

/* ---------- Success page ---------- */

.success-box {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    padding: clamp(40px, 7vw, 80px) 0;
}

.success-mark {
    width: 74px;
    height: 74px;
    margin: 0 auto 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
    box-shadow: 0 8px 24px rgba(201, 162, 39, .4);
}

.success-mark svg { width: 34px; height: 34px; }

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

.site-footer {
    margin-top: auto;
    background: linear-gradient(180deg, var(--navy-900), var(--navy-950));
    border-top: 1px solid rgba(201, 162, 39, .3);
    color: var(--cream-200);
    padding: 34px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-monogram {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.footer-tagline {
    font-family: var(--serif);
    font-style: italic;
    font-size: .95rem;
    opacity: .85;
}

.footer-copy { font-size: .8rem; opacity: .6; }

body > main { min-height: calc(100vh - 220px); }

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
    .product-page { grid-template-columns: 1fr; }
    .product-cover { max-width: 340px; }
    .header-inner { gap: 16px; }
    .site-nav { display: none; }
}


/* ---------- Account and profile ---------- */

.flash-stack { padding-top: 18px; }

.flash-message {
    border: 1px solid var(--cream-200);
    background: #FFFDF7;
    box-shadow: var(--shadow-card);
    color: var(--ink-900);
    padding: 12px 16px;
    margin-bottom: 10px;
    font-size: .9rem;
}

.flash-message.success { border-left: 4px solid #4C7A4C; }
.flash-message.error { border-left: 4px solid #A03B2E; }

.account-section { display: grid; place-items: center; min-height: 68vh; }
.account-card { width: min(540px, 100%); }
.eyebrow { color: var(--gold-600); font-size: .76rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.form-intro { color: var(--ink-600); margin: 0 0 22px; }
.field-help { color: var(--ink-400); display: block; font-size: .78rem; line-height: 1.45; margin-top: 6px; }
.field input[type="password"],
.field input[type="file"] {
    width: 100%;
    font-family: var(--sans);
    font-size: 1rem;
    padding: 13px 16px;
    border: 1px solid var(--cream-200);
    background: var(--cream-50);
    color: var(--ink-900);
}
.field input[type="file"] { padding: 10px; }
.account-switch { margin: 22px 0 0; color: var(--ink-600); }

.profile-layout { display: grid; grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.profile-summary { position: sticky; top: 100px; text-align: center; background: linear-gradient(170deg, var(--navy-900), var(--navy-800)); color: var(--cream-100); padding: 32px 24px; border: 1px solid rgba(201, 162, 39, .4); }
.profile-summary h1 { color: var(--cream-50); font-size: 1.5rem; margin: 18px 0 4px; }
.profile-summary p { margin: 0; color: var(--cream-200); }
.profile-library-note { margin-top: 20px !important; font-size: .86rem; color: var(--cream-200) !important; opacity: .82; }
.avatar-frame { width: 112px; height: 112px; margin: 0 auto; border-radius: 50%; overflow: hidden; display: grid; place-items: center; background: linear-gradient(135deg, var(--gold-300), var(--gold-600)); color: var(--navy-950); font-family: var(--serif); font-size: 3rem; font-weight: 700; border: 3px solid rgba(243, 229, 188, .7); }
.avatar-frame img { width: 100%; height: 100%; object-fit: cover; }
.profile-panels { display: grid; gap: 24px; }
.profile-panel { max-width: none; }
.profile-panel h2 { font-size: 1.42rem; }
.danger-panel { border-color: rgba(160, 59, 46, .35); }
.btn-danger { background: #A03B2E; color: #FFFDF7; }
.btn-danger:hover { background: #852D23; color: #FFFDF7; transform: translateY(-2px); }

@media (max-width: 760px) {
    .profile-layout { grid-template-columns: 1fr; }
    .profile-summary { position: static; }
}


/* ---------- Account entry point ---------- */

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-icon-button {
    width: 38px;
    height: 38px;
    padding: 0;
    display: inline-grid;
    place-items: center;
    color: var(--cream-100);
    background: transparent;
    border: 1px solid rgba(230, 200, 102, .42);
    border-radius: 50%;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.header-icon-button:hover { color: var(--navy-950); background: var(--gold-300); border-color: var(--gold-300); transform: translateY(-1px); }
.header-icon-button svg { width: 20px; height: 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.account-dialog {
    width: min(490px, calc(100% - 32px));
    border: 1px solid rgba(201, 162, 39, .5);
    padding: 0;
    color: var(--ink-900);
    background: #FFFDF7;
    box-shadow: 0 24px 80px rgba(8, 13, 24, .42);
}
.account-dialog::backdrop { background: rgba(8, 13, 24, .72); backdrop-filter: blur(3px); }
.account-dialog-inner { position: relative; padding: clamp(30px, 6vw, 48px); }
.account-dialog h2 { font-size: clamp(1.7rem, 4vw, 2.35rem); }
.account-dialog p:not(.eyebrow) { color: var(--ink-600); margin: 0 0 26px; }
.dialog-close { position: absolute; top: 14px; right: 16px; border: none; background: transparent; font: 300 2rem/1 var(--sans); color: var(--ink-400); cursor: pointer; }
.dialog-close:hover { color: var(--navy-900); }
.dialog-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.dialog-login { color: var(--gold-600); }
.dialog-login:hover { color: var(--gold-600); }

@media (max-width: 760px) {
    .header-actions { margin-left: auto; }
    .header-icon-button { width: 36px; height: 36px; }
}


/* ---------- Language menu and catalogue ---------- */

.language-menu { position: relative; }
.language-menu summary { list-style: none; }
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu[open] summary { color: var(--navy-950); background: var(--gold-300); border-color: var(--gold-300); }
.language-dropdown { position: absolute; z-index: 70; top: calc(100% + 10px); right: 0; min-width: 112px; padding: 8px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; background: var(--navy-900); border: 1px solid rgba(230, 200, 102, .45); box-shadow: 0 14px 36px rgba(8, 13, 24, .4); }
.language-dropdown button { border: 0; padding: 8px 7px; cursor: pointer; font: 600 .72rem var(--sans); letter-spacing: .08em; color: var(--cream-100); background: transparent; }
.language-dropdown button:hover, .language-dropdown button.active { color: var(--navy-950); background: var(--gold-300); }
.home-section { padding-bottom: 26px; }
.home-bestsellers { padding-top: 18px; }
.home-catalog-link { padding-top: 12px; text-align: center; }
.catalog-more-link { color: var(--gold-600); }
.catalog-more-link:hover { color: var(--gold-600); }
.home-book-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px; }
.home-book-grid .book-body { padding: 14px; }
.home-book-grid .book-title { font-size: 1rem; }
.home-book-grid .book-desc { display: none; }
.home-book-grid .btn-buy { padding: 9px 12px; font-size: .64rem; }
.book-author { color: var(--ink-400); font-size: .82rem; margin: -2px 0 10px; }
.book-rating { display: inline-flex; align-items: center; gap: 5px; margin: 0 0 13px; color: var(--ink-400); font-size: .77rem; }
.book-rating svg { width: 15px; height: 15px; color: var(--gold-500); }
.catalog-filters { display: grid; grid-template-columns: minmax(200px, 1.6fr) repeat(3, minmax(130px, .75fr)) auto; gap: 12px; margin-bottom: 32px; }
.catalog-filters input, .catalog-filters select { min-width: 0; width: 100%; padding: 12px 14px; color: var(--ink-900); background: #FFFDF7; border: 1px solid var(--cream-200); font: .9rem var(--sans); }
.catalog-filters .btn { padding: 12px 18px; }
.catalog-book-grid { margin-bottom: 34px; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 18px; color: var(--ink-600); }
.pagination a { font-weight: 600; }
.empty-state { color: var(--ink-600); padding: 36px 0; }
.profile-layout-single { grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr); }
.profile-settings-link { margin-top: 22px; font-size: .7rem; padding: 11px 18px; }
.profile-library { min-height: 250px; padding: clamp(26px, 4vw, 46px); background: #FFFDF7; border: 1px solid var(--cream-200); box-shadow: var(--shadow-card); }
.profile-library p:not(.eyebrow) { max-width: 55ch; color: var(--ink-600); }

@media (max-width: 1080px) {
    .home-book-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .catalog-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .home-book-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .home-book-grid .book-meta { align-items: flex-start; flex-direction: column; }
    .catalog-filters { grid-template-columns: 1fr; }
    .profile-layout-single { grid-template-columns: 1fr; }
}


/* ---------- Checkout, library, reviews and legal pages ---------- */
.checkout-layout { display:grid; grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr); gap:28px; align-items:start; }
.checkout-card { max-width:none; }
.checkout-summary { background:var(--navy-900); color:var(--cream-100); padding:28px; border:1px solid rgba(201,162,39,.42); }
.checkout-summary h2 { color:var(--cream-50); font-size:1.3rem; }
.checkout-summary p { display:flex; justify-content:space-between; gap:12px; color:var(--cream-200); }
.checkout-summary .checkout-total { padding-top:14px; border-top:1px solid rgba(201,162,39,.3); color:var(--gold-300); }
.legal-consent { display:grid; grid-template-columns:20px 1fr; column-gap:10px; align-items:start; margin:18px 0; color:var(--ink-600); }
.legal-consent input { margin-top:4px; }
.cart-list { display:grid; gap:14px; }
.cart-item { display:grid; grid-template-columns:70px minmax(0,1fr) auto auto; gap:18px; align-items:center; padding:16px; background:#FFFDF7; border:1px solid var(--cream-200); }
.cart-item img { width:58px; height:82px; object-fit:cover; background:var(--navy-900); }
.cart-item h2 { font-size:1.1rem; margin:0; }
.cart-item p { color:var(--ink-400); margin:4px 0 0; }
.cart-quantity { display:flex; gap:8px; align-items:end; }
.cart-quantity label { display:grid; gap:4px; font-size:.75rem; color:var(--ink-600); }
.cart-quantity input { width:56px; padding:8px; border:1px solid var(--cream-200); }
.cart-quantity .btn { padding:9px 12px; font-size:.65rem; color:var(--gold-600); }
.cart-footer { display:flex; justify-content:flex-end; align-items:center; gap:24px; padding:26px 0; }
.cart-footer p { margin:0; font-size:1.1rem; }
.payment-method-card { display:flex; justify-content:space-between; gap:24px; align-items:center; padding:28px; border:1px solid var(--cream-200); background:#FFFDF7; box-shadow:var(--shadow-card); }
.payment-method-card h2 { margin:0; }
.payment-method-card p { color:var(--ink-600); margin:7px 0 0; }
.library-list { display:grid; gap:12px; }
.library-item { display:grid; grid-template-columns:48px minmax(0,1fr) auto; gap:14px; align-items:center; padding:12px 0; border-bottom:1px solid var(--cream-200); }
.library-item img { width:42px; height:60px; object-fit:cover; background:var(--navy-900); }
.library-item h3 { margin:0; font-size:1rem; }
.library-item p { margin:4px 0 0; color:var(--ink-400); font-size:.85rem; }
.review-section { background:var(--cream-100); }
.review-form { max-width:650px; margin-bottom:28px; }
.review-list { display:grid; gap:14px; }
.review { padding:18px; background:#FFFDF7; border-left:3px solid var(--gold-500); }
.review > span { color:var(--gold-600); margin-left:10px; font-size:.85rem; }
.review p { margin:10px 0 0; color:var(--ink-600); }
.review-average { color:var(--gold-600); font-family:var(--serif); font-size:1.35rem; }
.legal-document { max-width:820px; }
.legal-document h1 { font-size:clamp(2rem,4vw,3.2rem); }
.legal-updated { color:var(--ink-400); }
.legal-body { color:var(--ink-600); font-size:1rem; }

@media (max-width:760px) { .checkout-layout{grid-template-columns:1fr;} .cart-item{grid-template-columns:52px 1fr;}.cart-item .price,.cart-quantity{grid-column:2;}.cart-footer,.payment-method-card{align-items:flex-start;flex-direction:column;} .library-item{grid-template-columns:42px 1fr;} .library-item .btn{grid-column:2;} }


/* Persistent cart entry */
.floating-cart { position:fixed; z-index:40; right:24px; bottom:24px; display:inline-flex; align-items:center; gap:9px; min-height:46px; padding:0 14px; border:1px solid rgba(213,180,72,.82); border-radius:999px; background:var(--navy-900); color:var(--cream-50); box-shadow:0 12px 30px rgba(6,11,24,.3); text-decoration:none; transition:transform .18s ease, background .18s ease; }
.floating-cart:hover { transform:translateY(-2px); background:var(--navy-800); color:var(--cream-50); }
.floating-cart svg { width:21px; height:21px; color:var(--gold-400); }
.floating-cart-label { font-size:.67rem; font-weight:600; letter-spacing:.11em; text-transform:uppercase; }
.floating-cart-count { display:grid; min-width:20px; height:20px; padding:0 5px; place-items:center; border-radius:999px; background:var(--gold-500); color:var(--navy-900); font-size:.68rem; font-weight:700; }
@media (max-width:560px) { .floating-cart { right:14px; bottom:14px; min-width:46px; justify-content:center; padding:0 11px; } .floating-cart-label { display:none; } }

/* ---------- Purchase actions and theme preferences ---------- */
.book-actions,
.product-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.book-actions {
    justify-content: flex-end;
}

.book-actions form,
.product-actions form {
    margin: 0;
}

.book-actions .btn-buy {
    padding: 10px 12px;
    font-size: .62rem;
    letter-spacing: .1em;
}

.product-actions {
    margin: 2px 0 0;
}

.product-actions .btn {
    min-width: 152px;
}

.theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-moon { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: block; }

:root {
    --page-bg: var(--cream-50);
    --page-glow: rgba(201, 162, 39, .07);
    --surface-card: #FFFDF7;
    --surface-subtle: var(--cream-100);
    --surface-input: var(--cream-50);
    --heading-color: var(--navy-900);
    --border-soft: var(--cream-200);
}

html[data-theme="light"] {
    color-scheme: light;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --ink-900: #F0ECDD;
    --ink-600: #CEC7B6;
    --ink-400: #A9A18E;
    --page-bg: #0B0F19;
    --page-glow: rgba(212, 175, 55, .11);
    --surface-card: #151E30;
    --surface-subtle: #101827;
    --surface-input: #0D1525;
    --heading-color: #F4EDDD;
    --border-soft: #2D3953;
    --shadow-card: 0 10px 30px rgba(0, 0, 0, .28);
    --shadow-card-hover: 0 18px 44px rgba(0, 0, 0, .4);
}

body {
    color: var(--ink-900);
    background: radial-gradient(1200px 500px at 85% -100px, var(--page-glow), transparent 60%), var(--page-bg);
}

h1, h2, h3, .serif,
.book-title {
    color: var(--heading-color);
}

.book-card {
    background: linear-gradient(180deg, var(--surface-card), var(--surface-subtle));
    border-color: var(--border-soft);
}

.product-desc { border-color: var(--border-soft); }
.form-card,
.flash-message,
.account-dialog,
.profile-library,
.cart-item,
.payment-method-card,
.review {
    background: var(--surface-card);
    border-color: var(--border-soft);
}

.field input[type="email"],
.field input[type="text"],
.field input[type="password"],
.field input[type="file"],
.catalog-filters input,
.catalog-filters select,
.cart-quantity input {
    background: var(--surface-input);
    color: var(--ink-900);
    border-color: var(--border-soft);
}

.review-section { background: var(--surface-subtle); }
.library-item,
.product-desc { border-color: var(--border-soft); }

html[data-theme="dark"] .btn-outline:hover {
    color: var(--gold-100);
    background: rgba(230, 200, 102, .14);
}

html[data-theme="dark"] .dialog-close:hover { color: var(--cream-50); }

@media (max-width: 760px) {
    .book-meta { align-items: flex-start; flex-direction: column; }
    .book-actions { justify-content: flex-start; }
    .product-actions .btn { min-width: 0; }
}

@media (max-width: 420px) {
    .product-actions { display: grid; grid-template-columns: 1fr; }
    .product-actions .btn { width: 100%; }
}

/* ---------- Profile polish and reading library ---------- */
html,
body { min-height: 100%; }

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body > main {
    flex: 1 0 auto;
    min-height: 0;
}

.site-footer { margin-top: auto; }

html[data-theme="light"] .profile-summary {
    background: linear-gradient(155deg, #FFFDF7, var(--cream-100));
    color: var(--ink-900);
    border-color: var(--cream-200);
    box-shadow: var(--shadow-card);
}

html[data-theme="light"] .profile-summary h1 { color: var(--navy-900); }
html[data-theme="light"] .profile-summary p,
html[data-theme="light"] .profile-summary .profile-library-note { color: var(--ink-600) !important; }
html[data-theme="light"] .profile-summary .avatar-frame { border-color: rgba(168, 134, 29, .45); }

.profile-section { padding-bottom: clamp(56px, 9vw, 104px); }

.avatar-upload-form { display: grid; justify-items: center; gap: 10px; }
.avatar-change-trigger { display: grid; justify-items: center; gap: 10px; cursor: pointer; }
.avatar-change-trigger .avatar-frame { margin: 0; transition: transform .18s ease, box-shadow .18s ease; }
.avatar-change-trigger:hover .avatar-frame,
.avatar-change-trigger:focus-within .avatar-frame { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(201, 162, 39, .32); }
.avatar-change-label { color: var(--gold-300); font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
html[data-theme="light"] .avatar-change-label { color: var(--gold-600); }
.avatar-file-input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.privacy-field { padding: 15px 16px; border: 1px solid var(--border-soft); background: var(--surface-subtle); }
.privacy-field label { display: inline; margin: 0 0 0 9px; cursor: pointer; }
.privacy-field input { width: 16px; height: 16px; margin: 0; accent-color: var(--gold-600); vertical-align: -3px; }
.privacy-field .field-help { margin-left: 25px; }
.avatar-help-panel { padding-block: 22px; }

.public-profile-section { display: grid; place-items: center; min-height: 58vh; }
.public-profile-card { width: min(400px, 100%); padding: clamp(30px, 6vw, 54px); text-align: center; background: var(--surface-card); border: 1px solid var(--border-soft); box-shadow: var(--shadow-card); }
.public-profile-card .avatar-frame { margin-bottom: 20px; }
.public-profile-handle { margin: 0; color: var(--ink-400); }

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
    gap: 22px;
    margin-top: 24px;
}

.library-book {
    display: block;
    color: var(--ink-900);
    min-width: 0;
    padding: 10px;
    border: 1px solid transparent;
    background: transparent;
    transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.library-book:hover,
.library-book:focus-visible,
.library-book:active {
    color: var(--ink-900);
    transform: translateY(-4px);
    background: var(--surface-subtle);
    border-color: rgba(201, 162, 39, .58);
    box-shadow: 0 12px 24px rgba(13, 19, 33, .12);
    outline: none;
}

.library-book-locked { opacity: .65; }
.library-book-cover {
    aspect-ratio: 2 / 3;
    overflow: hidden;
    display: grid;
    place-items: center;
    background: linear-gradient(155deg, var(--navy-800), var(--navy-950));
    color: var(--gold-300);
    font-family: var(--serif);
    font-style: italic;
    text-align: center;
}

.library-book-cover img { width: 100%; height: 100%; object-fit: cover; }
.library-book-cover span { padding: 16px; }
.library-book-copy { padding: 13px 3px 4px; }
.library-book-copy h3 { margin: 0; font-size: 1rem; line-height: 1.25; }
.library-book-author { min-height: 1.4em; margin: 0 0 4px; color: var(--ink-400); font-size: .77rem; }
.library-book-progress { margin: 7px 0 0; color: var(--gold-600); font-size: .8rem; font-weight: 700; }

html[data-theme="light"] .book-actions .btn-outline {
    color: var(--gold-600);
    border-color: var(--gold-600);
}
html[data-theme="light"] .book-actions .btn-outline:hover { color: var(--navy-950); background: var(--gold-300); }

@media (max-width: 560px) {
    .library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .library-book { padding: 7px; }
    .library-book-copy { padding-inline: 1px; }
}

/* ---------- Ratings and reviewer identity ---------- */
.rating-stars-input { margin: 0 0 20px; padding: 0; border: 0; }
.rating-stars-input legend { margin-bottom: 8px; font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-600); }
.rating-star-options { display: inline-flex; flex-direction: row-reverse; align-items: center; gap: 2px; }
.rating-star-options input { position: absolute; opacity: 0; pointer-events: none; }
.rating-star-options label { display: inline-grid; place-items: center; width: 35px; height: 35px; cursor: pointer; color: var(--cream-200); font-size: 1.9rem; line-height: 1; transition: color .15s ease, transform .15s ease; }
.rating-star-options label:hover,
.rating-star-options label:hover ~ label,
.rating-star-options input:checked ~ label { color: var(--gold-500); }
.rating-star-options label:hover { transform: scale(1.13); }
.rating-star-options input:focus-visible + label { outline: 2px solid var(--gold-500); outline-offset: 2px; }
.review-stars { display: inline-flex; gap: 2px; color: var(--cream-200); line-height: 1; }
.review-stars .is-filled { color: var(--gold-500); }
.review-average { display: flex; align-items: center; gap: 9px; }
.review { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 13px; align-items: start; border-left: 0; border: 1px solid var(--border-soft); box-shadow: 0 6px 18px rgba(13, 19, 33, .06); }
.reviewer-avatar { width: 44px; height: 44px; display: grid; place-items: center; overflow: hidden; border-radius: 50%; background: linear-gradient(135deg, var(--gold-300), var(--gold-600)); color: var(--navy-950); font-family: var(--serif); font-weight: 700; }
.reviewer-avatar img { width: 100%; height: 100%; object-fit: cover; }
.review-copy { min-width: 0; }
.review-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; min-height: 1.5rem; }
.reviewer-link { font-weight: 700; color: var(--ink-900); text-decoration: underline; text-decoration-color: rgba(201, 162, 39, .55); text-underline-offset: 3px; }
.reviewer-link:hover { color: var(--gold-600); }
html[data-theme="dark"] .reviewer-link { color: var(--cream-50); }

@media (max-width: 560px) {
    .review { grid-template-columns: 38px minmax(0, 1fr); padding: 15px; }
    .reviewer-avatar { width: 38px; height: 38px; }
}

/* ---------- Not found ---------- */
.not-found-section { display: grid; place-items: center; min-height: 58vh; }
.not-found-card { max-width: 650px; text-align: center; padding: clamp(34px, 7vw, 72px); background: var(--surface-card); border: 1px solid var(--border-soft); box-shadow: var(--shadow-card); }
.not-found-card h1 { font-size: clamp(2rem, 5vw, 3.3rem); }
.not-found-card > p:not(.eyebrow) { max-width: 44ch; margin: 0 auto 28px; color: var(--ink-600); }
.not-found-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.not-found-catalog-link { color: var(--gold-600); }
html[data-theme="dark"] .not-found-catalog-link { color: var(--gold-300); }