:root {
    /* Lithuanian flag palette */
    --lt-yellow: #fdb913;
    --lt-yellow-soft: #fff8e6;
    --lt-yellow-muted: #fef3d0;
    --lt-green: #006a44;
    --lt-green-dark: #004d32;
    --lt-green-soft: #e6f2ed;
    --lt-red: #c1272d;
    --lt-red-soft: #fceaea;

    --bg: #fffbf2;
    --bg-muted: #fef6e0;
    --surface: #ffffff;
    --text: #1a2e24;
    --text-muted: #5a6b62;
    --accent: var(--lt-green);
    --accent-dark: var(--lt-green-dark);
    --accent-highlight: var(--lt-red);
    --accent-soft: var(--lt-green-soft);
    --accent-warm: var(--lt-yellow-muted);
    --border: rgba(0, 106, 68, 0.1);
    --shadow: 0 18px 50px rgba(0, 106, 68, 0.08);
    --radius: 18px;
    --radius-sm: 12px;
    --container: 1180px;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(253, 185, 19, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(0, 106, 68, 0.06), transparent 26%),
        radial-gradient(circle at bottom right, rgba(193, 39, 45, 0.04), transparent 22%),
        var(--bg);
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(calc(100% - 32px), var(--container));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: rgba(255, 251, 242, 0.92);
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(
        to right,
        var(--lt-yellow) 0%,
        var(--lt-yellow) 33%,
        var(--lt-green) 33%,
        var(--lt-green) 66%,
        var(--lt-red) 66%,
        var(--lt-red) 100%
    ) 1;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 78px;
    position: relative;
}

.header-panel {
    display: flex;
    align-items: center;
    gap: 24px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    cursor: pointer;
    flex-shrink: 0;
}

.menu-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    margin: 0 auto;
    background: var(--lt-green-dark);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

body.menu-open {
    overflow: hidden;
}

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

.logo-mark {
    width: 40px;
    height: 28px;
    border-radius: 4px;
    flex-shrink: 0;
    background: linear-gradient(
        to bottom,
        var(--lt-yellow) 0%,
        var(--lt-yellow) 33.33%,
        var(--lt-green) 33.33%,
        var(--lt-green) 66.66%,
        var(--lt-red) 66.66%,
        var(--lt-red) 100%
    );
    box-shadow: 0 2px 8px rgba(0, 106, 68, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text strong {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--lt-green-dark);
}

.logo-text small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.main-nav {
    display: flex;
    gap: 24px;
}

.main-nav a {
    color: var(--text-muted);
    font-weight: 500;
}

.main-nav a:hover {
    color: var(--lt-green);
}

.lang-switch {
    display: flex;
    gap: 8px;
    padding: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
}

.lang-switch a {
    min-width: 38px;
    text-align: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
}

.lang-switch a.active {
    background: var(--lt-green);
    color: #fff;
}

.hero {
    padding: 72px 0 48px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.hero-copy h1,
.page-head h1,
.section-head h2 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.05;
    margin: 0 0 16px;
    color: var(--lt-green-dark);
}

.hero-copy h1 {
    font-size: clamp(2.6rem, 5vw, 4.4rem);
}

.lead {
    color: var(--text-muted);
    font-size: 1.08rem;
    max-width: 56ch;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
    color: var(--lt-red);
    font-weight: 600;
    margin: 0 0 12px;
}

.hero-visual img,
.hero-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: calc(var(--radius) + 8px);
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, #fff, var(--lt-yellow-muted));
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 600;
    transition: background 0.2s ease, transform 0.15s ease;
}

.btn-primary {
    background: var(--lt-green);
    color: #fff;
    margin-top: 24px;
}

.btn-primary:hover {
    background: var(--lt-green-dark);
}

.section {
    padding: 36px 0 72px;
}

.section-muted {
    background: linear-gradient(
        180deg,
        rgba(254, 243, 208, 0.45) 0%,
        rgba(255, 255, 255, 0.55) 100%
    );
}

.section-head {
    margin-bottom: 28px;
}

.section-head h2 {
    font-size: clamp(2rem, 3vw, 2.8rem);
}

.category-grid,
.stamp-grid {
    display: grid;
    gap: 22px;
}

.category-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.stamp-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.category-card,
.stamp-card,
.info-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.category-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 190px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.category-card:hover,
.stamp-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 106, 68, 0.22);
}

.category-card h3,
.stamp-card h3,
.info-card h2 {
    font-family: var(--font-serif);
    font-weight: 500;
    margin: 0 0 10px;
    color: var(--lt-green-dark);
}

.category-card p,
.stamp-card p {
    color: var(--text-muted);
    margin: 0;
}

.category-count {
    margin-top: 18px;
    color: var(--lt-green);
    font-weight: 600;
    font-size: 0.92rem;
}

.stamp-card-link {
    display: block;
    height: 100%;
}

.stamp-card-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--radius) var(--radius) 0 0;
    background: var(--bg-muted);
}

.stamp-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stamp-card-body {
    padding: 18px 20px 22px;
}

.stamp-card-category {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lt-red);
    font-weight: 600;
}

.stamp-card-meta {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stamp-card-price-inline {
    margin: 12px 0 0;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--lt-green-dark);
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.chip {
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.chip:hover {
    border-color: rgba(0, 106, 68, 0.25);
    color: var(--lt-green);
}

.chip.active {
    background: var(--lt-yellow-muted);
    color: var(--lt-green-dark);
    border-color: var(--lt-yellow);
}

.pagination {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 36px;
}

.pagination a {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    transition: background 0.15s ease, color 0.15s ease;
}

.pagination a:hover {
    border-color: var(--lt-green);
    color: var(--lt-green);
}

.pagination a.active {
    background: var(--lt-green);
    color: #fff;
    border-color: var(--lt-green);
}

.stamp-detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 28px;
    align-items: start;
}

.stamp-gallery {
    display: grid;
    gap: 18px;
}

.gallery-item {
    margin: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.gallery-item.is-main img {
    background: #fff;
}

.gallery-item img {
    width: 100%;
    max-height: 520px;
    object-fit: contain;
    background: var(--bg-muted);
}

.gallery-item figcaption {
    padding: 12px 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
}

.stamp-sidebar {
    display: grid;
    gap: 18px;
}

.info-card {
    padding: 22px 24px;
}

.info-list {
    margin: 0;
}

.info-list div {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.info-list div:last-child {
    border-bottom: 0;
}

.info-list dt {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.info-list dd {
    margin: 0;
    font-weight: 500;
}

.prose {
    color: var(--text-muted);
}

.back-link {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--lt-green);
    font-weight: 600;
}

.back-link:hover {
    color: var(--lt-red);
}

.empty-state {
    text-align: center;
    padding: 80px 0;
    color: var(--text-muted);
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 36px 0 48px;
    color: var(--text-muted);
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(254, 243, 208, 0.35) 100%
    );
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-meta {
    margin: 0;
    font-size: 0.92rem;
}

.container.narrow {
    max-width: 480px;
}

.flash {
    padding: 14px 18px;
    margin: 0;
    text-align: center;
    font-weight: 500;
}

.flash-success {
    background: var(--lt-green-soft);
    color: var(--lt-green-dark);
}

.flash-error {
    background: var(--lt-red-soft);
    color: var(--lt-red);
}

.auth-form {
    display: grid;
    gap: 18px;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.auth-form label {
    display: grid;
    gap: 8px;
}

.auth-form label span {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
}

.auth-form input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font: inherit;
    background: #fff;
}

.auth-form input:focus {
    outline: 2px solid rgba(0, 106, 68, 0.25);
    border-color: var(--lt-green);
}

.auth-switch,
.form-hint {
    margin-top: 18px;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.auth-switch a {
    color: var(--lt-green);
    font-weight: 600;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.88rem;
}

.btn-secondary {
    background: var(--lt-yellow-muted);
    color: var(--lt-green-dark);
}

.btn-danger {
    background: var(--lt-red);
    color: #fff;
}

.nav-logout {
    display: inline;
    margin: 0;
    padding: 0;
}

.nav-logout-btn {
    background: none;
    border: 0;
    padding: 0;
    font: inherit;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
}

.nav-logout-btn:hover {
    color: var(--lt-red);
}

.price-badge {
    display: grid;
    gap: 4px;
}

.price-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lt-red);
    font-weight: 600;
}

.price-value {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--lt-green-dark);
}

.price-scope {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
}

.price-badge .price-scope {
    margin-top: -2px;
}

.stamp-card-price-inline .price-scope {
    margin-top: 2px;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
}

.admin-form label .price-scope {
    margin-top: 4px;
    font-size: 0.78rem;
}

.price-note {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.price-locked {
    padding: 14px 0 0;
    border-top: 1px solid var(--border);
}

.price-locked p {
    margin: 0 0 12px;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.price-card .price-locked {
    border-top: 0;
    padding-top: 0;
}

.admin-card {
    margin-bottom: 24px;
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.admin-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}

.status-pending {
    background: var(--lt-yellow-muted);
    color: var(--lt-green-dark);
}

.status-approved {
    background: var(--lt-green-soft);
    color: var(--lt-green-dark);
}

.status-rejected {
    background: var(--lt-red-soft);
    color: var(--lt-red);
}

.admin-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.admin-subnav a {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
}

.admin-subnav a.active,
.admin-subnav a:hover {
    border-color: var(--lt-green);
    background: var(--lt-green-soft);
    color: var(--lt-green-dark);
}

.admin-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.admin-form {
    max-width: 960px;
}

.admin-fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin: 0 0 20px;
}

.admin-fieldset legend {
    padding: 0 8px;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--lt-green-dark);
}

.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.admin-form-full {
    grid-column: 1 / -1;
}

.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font: inherit;
    background: #fff;
}

.admin-form textarea {
    resize: vertical;
    min-height: 100px;
}

.admin-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-direction: row;
}

.admin-checkbox input {
    width: auto;
}

.admin-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.report-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.report-summary-card {
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.report-summary-label {
    display: block;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.report-summary-value {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--lt-green-dark);
}

.report-total-row td {
    border-top: 2px solid var(--lt-green);
    font-weight: 600;
}

@media (max-width: 900px) {
    .hero-grid,
    .stamp-detail-grid {
        grid-template-columns: 1fr;
    }

    .header-inner {
        min-height: 68px;
        gap: 12px;
    }

    .menu-toggle {
        display: flex;
    }

    .header-panel {
        position: absolute;
        top: calc(100% + 1px);
        left: -16px;
        right: -16px;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 16px 20px;
        background: rgba(255, 251, 242, 0.98);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 18px 40px rgba(0, 106, 68, 0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }

    .header-panel.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    .main-nav {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .main-nav a {
        display: block;
        padding: 14px 4px;
        font-size: 1.05rem;
        color: var(--text);
        border-bottom: 1px solid var(--border);
    }

    .main-nav form.nav-logout {
        display: block;
        padding: 14px 4px;
        border-bottom: 1px solid var(--border);
    }

    .main-nav .nav-logout-btn {
        font-size: 1.05rem;
    }

    .main-nav a:last-child {
        border-bottom: 0;
    }

    .lang-switch {
        align-self: center;
        margin-top: 16px;
    }

    .logo-text strong {
        font-size: 1.15rem;
    }

    .logo-text small {
        font-size: 0.78rem;
    }

    .info-list div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .admin-form-grid,
    .report-summary {
        grid-template-columns: 1fr;
    }
}