/* Blog di matteofabbri.org — un foglio di stile solo, niente dipendenze.
   Tipografia da lettura (serif per il testo, sans per l'interfaccia) e colori
   che seguono la preferenza chiaro/scuro del sistema. */

:root {
    color-scheme: light dark;
    --bg: #fbfaf7;
    --surface: #ffffff;
    --text: #1c1b19;
    --muted: #6b6862;
    --border: #e5e1d8;
    --accent: #206f68;
    --accent-contrast: #ffffff;
    --danger: #b3352c;
    --code-bg: #f1eee7;
    --warning-bg: #fdf3d7;
    --warning-border: #e8cf8a;
    --success-bg: #e8f4ec;
    --success-border: #9cc9ac;
    --error-bg: #fbeaea;
    --error-border: #e0a6a0;
    --radius: 10px;
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #141413;
        --surface: #1c1b1a;
        --text: #e9e6df;
        --muted: #a5a099;
        --border: #302e2b;
        --accent: #7cc9c0;
        --accent-contrast: #102421;
        --danger: #f08a80;
        --code-bg: #24221f;
        --warning-bg: #332b17;
        --warning-border: #6b5827;
        --success-bg: #16281d;
        --success-border: #315c41;
        --error-bg: #2e1a18;
        --error-border: #6d3a35;
    }
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
}

::selection {
    background: var(--accent);
    color: var(--accent-contrast);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

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

.wrap {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

main.wrap {
    padding-top: 3rem;
    padding-bottom: 4rem;
    min-height: 60vh;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100;
    background: var(--accent);
    color: var(--accent-contrast);
    padding: 0.6rem 1rem;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

/* --- Intestazione e piè di pagina ---------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4rem;
}

.brand {
    font-family: var(--serif);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
    text-decoration: none;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.site-nav a {
    color: var(--muted);
    text-decoration: none;
}

.site-nav a:hover {
    color: var(--text);
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0 2rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.site-footer a {
    color: var(--muted);
}

/* --- Testata delle pagine ------------------------------------------------- */

.page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.eyebrow {
    margin: 0 0 0.5rem;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.eyebrow a {
    color: inherit;
}

.page-head h1 {
    margin: 0 0 0.5rem;
    font-family: var(--serif);
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.lede {
    max-width: 55ch;
    margin: 0.25rem 0 0;
    color: var(--muted);
    font-size: 1.05rem;
}

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

/* --- Bottoni -------------------------------------------------------------- */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--accent);
    border-radius: 999px;
    background: var(--accent);
    color: var(--accent-contrast);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.button:hover {
    filter: brightness(1.07);
}

.button-secondary {
    background: transparent;
    color: var(--accent);
}

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

.button-block {
    width: 100%;
}

.inline-form {
    display: inline;
    margin: 0;
}

.link-button {
    padding: 0;
    border: 0;
    background: none;
    color: var(--muted);
    font: inherit;
    text-decoration: underline;
    text-underline-offset: 0.15em;
    cursor: pointer;
}

.link-button:hover {
    color: var(--text);
}

.link-button.danger {
    color: var(--danger);
}

/* --- Elenco degli articoli ------------------------------------------------ */

.post-list {
    display: flex;
    flex-direction: column;
}

.post-card {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}

.post-card:first-child {
    padding-top: 0;
    border-top: 0;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.post-title {
    margin: 0.55rem 0 0.5rem;
    font-family: var(--serif);
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.post-title a {
    color: var(--text);
    text-decoration: none;
}

.post-title a:hover {
    color: var(--accent);
}

.post-summary {
    max-width: 65ch;
    margin: 0.25rem 0 0.75rem;
    color: var(--muted);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.75rem;
}

.tag {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.75rem;
    text-decoration: none;
}

.tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0 0 2rem;
}

.badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.badge-draft,
.badge-bozza {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--text);
}

.badge-scheduled,
.badge-programmato {
    background: var(--code-bg);
}

.badge-pubblicato {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--text);
}

.empty {
    padding: 2.5rem 1.5rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--muted);
    text-align: center;
}

.empty p {
    margin: 0.25rem 0;
}

/* --- Articolo ------------------------------------------------------------- */

.post {
    max-width: 70ch;
}

.post-header {
    margin-bottom: 2rem;
}

.post-header h1 {
    margin: 0.5rem 0 1rem;
    font-family: var(--serif);
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.prose {
    font-family: var(--serif);
    font-size: 1.08rem;
    line-height: 1.75;
}

.prose h2,
.prose h3,
.prose h4 {
    margin: 2.2em 0 0.6em;
    font-family: var(--sans);
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.prose h2 {
    font-size: 1.5rem;
}

.prose h3 {
    font-size: 1.25rem;
}

.prose h4 {
    font-size: 1.05rem;
}

.prose p {
    margin: 0 0 1.2em;
}

.prose a {
    color: var(--accent);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.15em;
}

.prose ul,
.prose ol {
    margin: 0 0 1.2em;
    padding-left: 1.4em;
}

.prose li {
    margin: 0.25em 0;
}

.prose blockquote {
    margin: 1.5em 0;
    padding: 0.25em 0 0.25em 1.2em;
    border-left: 3px solid var(--accent);
    color: var(--muted);
    font-style: italic;
}

.prose code {
    padding: 0.15em 0.35em;
    border-radius: 4px;
    background: var(--code-bg);
    font-family: var(--mono);
    font-size: 0.88em;
}

.prose pre {
    margin: 0 0 1.5em;
    padding: 1rem 1.1rem;
    border-radius: var(--radius);
    background: var(--code-bg);
    overflow-x: auto;
    line-height: 1.5;
}

.prose pre code {
    padding: 0;
    background: none;
    font-size: 0.85rem;
}

.prose img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1.5em auto;
    border-radius: var(--radius);
}

.prose hr {
    margin: 2.5em 0;
    border: 0;
    border-top: 1px solid var(--border);
}

.prose table {
    width: 100%;
    margin: 0 0 1.5em;
    border-collapse: collapse;
    font-family: var(--sans);
    font-size: 0.92rem;
}

.prose th,
.prose td {
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    text-align: left;
}

.prose th {
    background: var(--code-bg);
}

.prose figcaption {
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}

.post-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.9rem;
}

.post-footer p {
    margin: 0;
}

/* --- Avvisi --------------------------------------------------------------- */

.alert {
    margin: 0 0 1.5rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.92rem;
}

.alert ul {
    margin: 0.25rem 0 0;
    padding-left: 1.2rem;
}

.alert.success {
    background: var(--success-bg);
    border-color: var(--success-border);
}

.alert.error {
    background: var(--error-bg);
    border-color: var(--error-border);
}

.alert.warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
}

.alert a {
    color: inherit;
    font-weight: 600;
}

/* --- Accesso -------------------------------------------------------------- */

.auth-card {
    max-width: 440px;
    margin: 4vh auto 0;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
}

.auth-card h1 {
    margin: 0 0 1rem;
    font-family: var(--serif);
    font-size: 2rem;
}

.auth-back {
    margin: 1.5rem 0 0;
    font-size: 0.9rem;
}

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

/* --- Tabella admin -------------------------------------------------------- */

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 0.9rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.admin-table tr:last-child td {
    border-bottom: 0;
}

.admin-table th {
    background: var(--code-bg);
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.table-title {
    display: block;
    color: var(--text);
    font-weight: 600;
    text-decoration: none;
}

.table-title:hover {
    color: var(--accent);
}

.table-slug {
    display: block;
    margin-top: 0.15rem;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.75rem;
}

.cell-date {
    color: var(--muted);
    white-space: nowrap;
}

.cell-actions {
    white-space: nowrap;
}

.cell-actions a,
.cell-actions form {
    display: inline;
    margin-left: 0.6rem;
}

.cell-actions a {
    color: var(--accent);
    font-size: 0.85rem;
    text-decoration: none;
}

/* --- Editor --------------------------------------------------------------- */

.editor-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field label,
.field-label {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 0.95rem;
}

.input:focus {
    border-color: var(--accent);
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.input-title {
    font-family: var(--serif);
    font-size: 1.4rem;
}

.editor {
    min-height: 440px;
    font-family: var(--mono);
    font-size: 0.9rem;
    line-height: 1.6;
    tab-size: 2;
    resize: vertical;
}

.hint {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.5;
}

.hint code {
    padding: 0.05em 0.3em;
    border-radius: 4px;
    background: var(--code-bg);
    font-family: var(--mono);
}

.editor-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding-top: 0.5rem;
}

.checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.9rem;
    user-select: none;
}

.danger-zone {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

/* --- Immagini ------------------------------------------------------------- */

.upload-form {
    display: flex;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.25rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.upload-form .field {
    flex: 1 1 260px;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
}

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

.media-item img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: var(--code-bg);
    object-fit: cover;
}

.media-item figcaption {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.6rem 0.75rem 0.75rem;
    font-size: 0.8rem;
}

.media-name {
    font-weight: 600;
    overflow-wrap: anywhere;
}

.media-item code {
    margin-top: 0.25rem;
    padding: 0.3rem 0.4rem;
    border-radius: 4px;
    background: var(--code-bg);
    font-family: var(--mono);
    font-size: 0.7rem;
    overflow-wrap: anywhere;
}

/* --- Schermi piccoli ------------------------------------------------------ */

@media (max-width: 640px) {
    main.wrap {
        padding-top: 2rem;
    }

    .header-inner {
        min-height: 3.5rem;
    }

    .site-nav {
        gap: 0.75rem;
    }

    .page-head {
        flex-direction: column;
        gap: 1rem;
    }

    .field-row {
        grid-template-columns: 1fr;
    }

    .post-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-table th:nth-child(3),
    .admin-table td:nth-child(3) {
        display: none;
    }
}

@media print {
    .site-header,
    .site-footer,
    .skip-link,
    .post-footer .button {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
    }
}