:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-alt: #eef3f8;
    --text: #132238;
    --muted: #5c6b80;
    --line: #d7e1ec;
    --primary: #005bbb;
    --primary-dark: #003f83;
    --accent: #ffb703;
    --danger: #b42318;
    --shadow: 0 24px 48px rgba(19, 34, 56, 0.08);
    --radius: 22px;
    --radius-sm: 14px;
    --container: 1200px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    background:
        radial-gradient(circle at top right, rgba(255, 183, 3, 0.2), transparent 24rem),
        linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
    color: var(--text);
    line-height: 1.6;
}

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

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

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto;
}

.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;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: 0;
    transform: translateY(-140%);
    background: var(--primary-dark);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    z-index: 100;
}

.skip-link:focus {
    transform: translateY(1rem);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(251, 253, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(215, 225, 236, 0.8);
}

.site-header__inner,
.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
}

.site-brand strong,
.site-footer__title {
    display: block;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.site-brand small,
.site-footer__text {
    display: block;
    color: var(--muted);
    font-size: 0.875rem;
}

.site-footer__nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-footer__nav a {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 600;
}

.content-section,
.admin-shell,
.story-page {
    padding: 2rem 0 4rem;
}

.article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.article-card,
.story-hero,
.story-copy,
.story-sidebar__card,
.admin-auth,
.admin-table-wrap,
.admin-form,
.level-editor {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(215, 225, 236, 0.88);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.article-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.article-card__image-link {
    display: block;
    background: var(--surface-alt);
}

.article-card__image-link img,
.story-hero__media img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.article-card__body {
    display: grid;
    grid-template-rows: auto minmax(3.25rem, auto) minmax(4.75rem, auto) auto;
    gap: 0.85rem;
    padding: 1.25rem;
    height: 100%;
}

.article-card__meta,
.story-meta {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.article-card__title,
.story-hero h1,
.admin-toolbar h1,
.admin-auth h1 {
    margin: 0;
    line-height: 1.15;
}

.article-card__title {
    font-size: 1.35rem;
}

.article-card__excerpt,
.story-summary,
.story-sidebar__card p,
.admin-toolbar p {
    margin: 0;
    color: var(--muted);
}

.article-card__title a {
    display: block;
}

.article-card__actions,
.level-switcher {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.article-card__actions {
    margin-top: 0.35rem;
    align-self: end;
}

.button,
.level-link,
.admin-table__actions a,
.admin-table__actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.875rem;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible,
.level-link:hover,
.level-link:focus-visible,
.admin-table__actions a:hover,
.admin-table__actions button:hover {
    transform: translateY(-1px);
}

.button--primary {
    background: var(--primary);
    color: #fff;
}

.button--secondary {
    background: var(--surface-alt);
    color: var(--text);
}

.level-link,
.admin-table__actions a,
.admin-table__actions button {
    border-color: var(--line);
    background: #fff;
    color: var(--primary-dark);
}

.level-link--active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.story-hero,
.admin-toolbar,
.admin-cropper {
    display: grid;
    gap: 1.5rem;
}

.story-hero,
.admin-auth,
.admin-form {
    padding: 1.5rem;
}

.story-layout {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.story-copy {
    padding: 1.75rem;
}

.story-copy p {
    margin: 0 0 1.25rem;
    font-size: 1.08rem;
}

.story-sidebar__card {
    padding: 1.5rem;
}

.story-sidebar__links {
    margin: 1rem 0 0;
    padding-left: 1.1rem;
}

.site-footer {
    border-top: 1px solid rgba(215, 225, 236, 0.8);
    background: #fbfdff;
}

.admin-page {
    background:
        radial-gradient(circle at top left, rgba(0, 91, 187, 0.1), transparent 24rem),
        linear-gradient(180deg, #f9fbff 0%, #eef3f8 100%);
}

.admin-toolbar {
    align-items: end;
    margin-bottom: 1.5rem;
}

.admin-toolbar__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.admin-auth {
    max-width: 34rem;
    margin: 2rem auto 0;
}

.admin-table-wrap {
    overflow-x: auto;
    padding: 0.5rem;
}

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

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

.admin-table__sub {
    color: var(--muted);
    font-size: 0.85rem;
}

.admin-table__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.admin-table__actions form {
    margin: 0;
}

.admin-form--wide {
    padding: 1.5rem;
}

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

.form-grid__full {
    grid-column: 1 / -1;
}

.admin-form label,
.crop-controls label {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--text);
}

.admin-cropper {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: var(--surface-alt);
    border-radius: var(--radius);
}

.admin-cropper__current {
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.crop-preview {
    position: relative;
    min-height: 220px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--line);
    background: linear-gradient(135deg, #dce7f2 0%, #edf3f9 100%);
    overflow: hidden;
}

.crop-preview span {
    position: absolute;
    inset: auto 1rem 1rem auto;
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    color: #fff;
    background: rgba(13, 27, 42, 0.75);
    border-radius: 999px;
}

.crop-controls {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.level-editor {
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.admin-form__footer {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-end;
}

.form-error {
    margin: 0 0 1rem;
    color: var(--danger);
    font-weight: 700;
}

@media (min-width: 768px) {
    .article-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .story-hero,
    .story-layout,
    .admin-toolbar,
    .admin-cropper {
        grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr);
    }
}

@media (min-width: 1080px) {
    .article-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .site-header__inner,
    .site-footer__inner,
    .story-hero,
    .story-layout,
    .admin-toolbar,
    .admin-cropper,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .site-header__inner,
    .site-footer__inner {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .article-card__actions,
    .level-switcher {
        grid-template-columns: 1fr;
    }

    .admin-table__actions {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}