:root {
    --green: #183f2d;
    --green-light: #e8f0eb;
    --gold: #d39a42;
    --background: #f8f6f0;
    --white: #ffffff;
    --text: #202923;
    --muted: #66716a;
    --border: #d7dcd8;
    --danger: #a33b34;
    --success: #2e6a4d;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background: var(--background);
    font-family: Arial, sans-serif;
}

a {
    color: var(--green);
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    padding: 18px 6%;
    background: var(--green);
}

.brand {
    color: var(--white);
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

nav a {
    color: var(--white);
    text-decoration: none;
}

.container {
    width: min(1100px, 90%);
    margin: auto;
    padding: 45px 0 80px;
}

.hero {
    max-width: 760px;
    padding: 30px 0 55px;
}

.hero h1,
.page-heading h1 {
    margin: 10px 0;
    font-family: Georgia, serif;
}

.hero h1 {
    font-size: clamp(40px, 7vw, 70px);
    line-height: 1;
}

.hero p {
    line-height: 1.7;
}

.eyebrow {
    color: var(--success);
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.card,
.panel {
    padding: 25px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--white);
}

.card {
    text-decoration: none;
}

.card:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
}

.panel {
    margin: 20px 0;
}

.button,
button {
    display: inline-block;
    padding: 11px 16px;
    border: 0;
    border-radius: 7px;
    color: var(--white);
    background: var(--green);
    font: inherit;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
}

.message {
    padding: 14px;
    margin-bottom: 20px;
    border-radius: 8px;
}

.message-success {
    color: #17462f;
    background: #e4f3ea;
}

.message-error {
    color: #73241f;
    background: #f9e6e4;
}

.site-footer {
    padding: 25px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    text-align: center;
}

.page-heading {
    margin-bottom: 25px;
}

.page-heading h1 {
    font-size: 42px;
}

.page-heading p {
    max-width: 700px;
    line-height: 1.6;
}

.help-text,
.secondary-text {
    color: var(--muted);
}

.form-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

label {
    display: grid;
    gap: 7px;
    font-weight: bold;
}

input,
select,
textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #aeb7b1;
    border-radius: 7px;
    background: var(--white);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--green);
    outline: 2px solid var(--green-light);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.button-secondary {
    color: var(--text);
    background: var(--green-light);
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 13px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--green-light);
}

.quantity {
    display: inline-block;
    min-width: 35px;
    padding: 5px 8px;
    border-radius: 20px;
    background: var(--green-light);
    font-weight: bold;
    text-align: center;
}

.stock-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.stock-actions form {
    display: flex;
    gap: 5px;
}

.small-button {
    padding: 7px 10px;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.text-link {
    font-weight: bold;
}

.empty-state {
    padding: 35px;
    color: var(--muted);
    text-align: center;
}

.section-divider {
    margin: 55px 0 25px;
    padding-top: 35px;
    border-top: 2px solid var(--border);
}

.section-divider h1 {
    margin: 8px 0;
    font-family: Georgia, serif;
    font-size: 42px;
}

.section-divider p {
    max-width: 720px;
    line-height: 1.6;
}

.full-width {
    grid-column: 1 / -1;
}

.status-badge {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 20px;
    background: var(--green-light);
    font-size: 13px;
    font-weight: bold;
}

.copy-actions {
    display: grid;
    gap: 7px;
    min-width: 110px;
}

.copy-actions form {
    margin: 0;
}

.danger-button {
    background: var(--danger);
}

.search-panel {
    border-top: 4px solid var(--gold);
}

.search-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 15px;
}

.search-heading h2 {
    margin-top: 0;
}

.search-grid {
    display: grid;
    grid-template-columns:
        minmax(250px, 2fr)
        minmax(200px, 1fr);
    gap: 18px;
}

.result-count {
    display: inline-block;
    padding: 7px 11px;
    border-radius: 20px;
    background: var(--green-light);
    font-size: 14px;
    font-weight: bold;
}

.search-results {
    margin-top: 25px;
}

.stock-type {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: bold;
}

.stock-type-new {
    color: #17462f;
    background: #dff2e7;
}

.stock-type-used {
    color: #684312;
    background: #f8ead1;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    align-self: center;
}

.checkbox-label input {
    width: auto;
}

.order-list {
    display: grid;
    gap: 20px;
}

.order-card {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fcfcfa;
}

.order-card-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.order-card-heading h3 {
    margin: 5px 0;
}

.order-details {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(180px, 1fr));
    gap: 5px 18px;
}

.compact-form {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(170px, 1fr));
    align-items: end;
    gap: 10px;
    padding: 15px;
    margin: 15px 0;
    border-radius: 8px;
    background: var(--green-light);
}

.contact-history {
    margin-top: 15px;
    padding: 12px;
    border-top: 1px solid var(--border);
}

.contact-history summary {
    cursor: pointer;
    font-weight: bold;
}

.field-help {
    color: var(--muted);
    font-size: 12px;
    font-weight: normal;
    line-height: 1.4;
}

.gallery-filter-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(190px, 1fr));
    gap: 18px;
}

.gallery-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin: 35px 0 18px;
}

.gallery-summary h2,
.gallery-summary p {
    margin: 0;
}

.book-gallery {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.book-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--white);
    box-shadow: 0 4px 14px rgba(24, 63, 45, 0.08);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 22px rgba(24, 63, 45, 0.14);
}

.book-cover-container {
    display: flex;
    justify-content: center;
    height: 300px;
    padding: 20px;
    background: var(--green-light);
}

.book-cover {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 5px;
}

.book-card-content {
    padding: 20px;
}

.book-card-content h3 {
    margin: 12px 0 5px;
    font-family: Georgia, serif;
    font-size: 21px;
}

.book-author {
    min-height: 40px;
    margin-top: 0;
    color: var(--muted);
}

.stock-badge {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 20px;
    color: var(--green);
    background: var(--green-light);
    font-size: 12px;
    font-weight: bold;
}

.book-information {
    display: grid;
    gap: 8px;
    margin: 18px 0;
}

.book-information div {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    border-bottom: 1px solid var(--border);
}

.book-information dt {
    color: var(--muted);
}

.book-information dd {
    margin: 0;
    text-align: right;
}

.book-price {
    margin-bottom: 0;
    color: var(--green);
    font-size: 24px;
    font-weight: bold;
}

.add-cart-form {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.add-cart-form label {
    display: grid;
    gap: 6px;
}

.add-cart-form input[type="number"] {
    width: 90px;
}

.cart-quantity {
    width: 80px;
}

.cart-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 20px;
}

.cart-total {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 24px;
}

.cart-total strong {
    color: var(--green);
    font-size: 30px;
}

.cart-bottom-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
}

.cart-bottom-actions form {
    margin: 0;
}

.button-danger {
    border-color: var(--danger);
    background: var(--danger);
    color: var(--white);
}

.checkout-notice {
    border-left: 5px solid var(--gold);
}

.remove-item-list {
    display: grid;
    gap: 10px;
}

.remove-item-list form {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

@media (max-width: 700px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

        .search-grid {
        grid-template-columns: 1fr;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}

.auth-heading,
.auth-panel {
    max-width: 680px;
    margin-right: auto;
    margin-left: auto;
}

.auth-panel {
    border-top: 4px solid var(--gold);
}

.nav-user {
    color: #f5d7a3;
    font-weight: bold;
}

.logout-form {
    margin: 0;
}

.nav-button {
    padding: 0;
    color: var(--white);
    background: transparent;
    font-weight: normal;
}

.nav-button:hover {
    color: #f5d7a3;
}