/* Giuseppe Messina Web Site — struttura e componenti.
 *
 * Questo file NON contiene colori, font o misure letterali: usa solo le
 * variabili definite dal tema caricato prima (assets/css/themes/*.css).
 * Cambiare tema = cambiare un file, senza toccare questo.
 *
 * Registri visivi, applicati con una classe sul <body>:
 *   .tone-formale  → CV e pagine istituzionali: titoli con grazie, bordi netti,
 *                    poche ombre, ritmo compatto.
 *   .tone-leggero  → blog e applicazioni: sans, angoli morbidi, ombre diffuse,
 *                    accento secondario.
 *   .tone-neutro   → home e pagine di servizio: via di mezzo.
 *
 * Indice
 *   1. Reset e base
 *   2. Registri (tone)
 *   3. Impaginazione
 *   4. Testata e navigazione
 *   5. Tipografia
 *   6. Bottoni, pill, badge
 *   7. Hero
 *   8. Card e griglie
 *   9. Blog
 *  10. Articolo e prosa
 *  11. CV
 *  12. Applicazioni e release
 *  13. Piè di pagina
 *  14. Accessibilità e stampa
 */

/* ---------- 1. Reset e base ---------- */

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

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

body {
    margin: 0;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--font-body, var(--font-sans));
    font-size: var(--fs-base);
    line-height: var(--lh-base);
    text-rendering: optimizeLegibility;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

a { color: var(--c-link, var(--c-accent)); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .18em; }

hr { border: 0; border-top: 1px solid var(--c-border); margin: var(--space-6) 0; }

/* ---------- 2. Registri ---------- */

body {
    --font-heading: var(--font-sans);
    --font-body:    var(--font-sans);
    --c-link:       var(--c-accent);
    --c-tone:       var(--c-accent);
    --c-tone-soft:  var(--c-accent-soft);
    --radius-card:  var(--radius-md);
    --shadow-card:  var(--shadow-sm);
    --card-border:  1px solid var(--c-border);
}

body.tone-formale {
    --font-heading: var(--font-serif);
    --radius-card:  var(--radius-sm);
    --shadow-card:  none;
    --card-border:  1px solid var(--c-border);
}

body.tone-leggero {
    --c-tone:       var(--c-accent2);
    --c-tone-soft:  var(--c-accent2-soft);
    --radius-card:  var(--radius-lg);
    --shadow-card:  var(--shadow-md);
    --card-border:  1px solid var(--c-border-soft);
}

/* ---------- 3. Impaginazione ---------- */

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--space-5);
}

main.wrap { flex: 1; padding-block: var(--space-7) var(--space-8); }

section + section { margin-top: var(--space-7); }

/* ---------- 4. Testata e navigazione ---------- */

.site-head {
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in srgb, var(--c-surface) 88%, transparent);
    backdrop-filter: saturate(1.4) blur(10px);
    border-bottom: 1px solid var(--c-border-soft);
}

.head-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding-block: var(--space-4);
}

.brand {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--c-text);
}
.brand:hover { color: var(--c-tone); text-decoration: none; }

.site-head nav { display: flex; flex-wrap: wrap; gap: var(--space-1); }

.site-head nav a {
    position: relative;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--c-text-muted);
    font-size: .94rem;
    font-weight: 500;
}
.site-head nav a:hover { background: var(--c-surface-2); color: var(--c-text); text-decoration: none; }
.site-head nav a.on { color: var(--c-tone); background: var(--c-tone-soft); font-weight: 600; }

/* ---------- 5. Tipografia ---------- */

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    letter-spacing: var(--tracking-tight);
    line-height: 1.25;
    color: var(--c-text);
    margin: 0 0 var(--space-3);
    text-wrap: balance;
}

h1 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem); }
h2 { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.6rem); }
h3 { font-size: 1.1rem; }

.page-head { margin-bottom: var(--space-6); }
.page-head .lead { margin-bottom: 0; }

.lead {
    max-width: var(--measure);
    margin: 0 0 var(--space-5);
    color: var(--c-text-soft);
    font-size: 1.08rem;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-3);
    color: var(--c-text-muted);
    font-size: .87rem;
}

.sec-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0 0 var(--space-5);
    font-family: var(--font-sans);
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--c-text-muted);
}
.sec-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--c-border);
}

.empty {
    padding: var(--space-6);
    border: 1px dashed var(--c-border);
    border-radius: var(--radius-md);
    color: var(--c-text-muted);
    text-align: center;
}

/* ---------- 6. Bottoni, pill, badge ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: .68rem 1.35rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: var(--c-tone);
    color: var(--c-on-accent);
    font-size: .95rem;
    font-weight: 600;
    transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
}
.btn:hover {
    background: var(--c-accent-deep);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.btn:active { transform: none; }

.btn.ghost {
    background: transparent;
    border-color: var(--c-border);
    color: var(--c-text);
}
.btn.ghost:hover { background: var(--c-surface-2); border-color: var(--c-text-muted); }

.btn.small { padding: .42rem .9rem; font-size: .87rem; }

.pill {
    display: inline-block;
    padding: .16rem .6rem;
    border-radius: 999px;
    background: var(--c-surface-2);
    color: var(--c-text-muted);
    font-size: .76rem;
    font-weight: 600;
    letter-spacing: .01em;
}
.pill.ok { background: var(--c-ok-soft); color: var(--c-ok); }
.pill.tone { background: var(--c-tone-soft); color: var(--c-tone); }
a.pill:hover { background: var(--c-tone-soft); color: var(--c-tone); text-decoration: none; }

.more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--c-tone);
}
.more:hover { gap: var(--space-3); text-decoration: none; }

/* ---------- 7. Hero ---------- */

.hero {
    position: relative;
    overflow: hidden;
    padding: var(--space-8) var(--space-6);
    border: var(--card-border);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 120% at 12% -20%, var(--c-accent-soft) 0%, transparent 55%),
        radial-gradient(90% 90% at 100% 0%, var(--c-accent2-soft) 0%, transparent 50%),
        var(--c-surface);
    box-shadow: var(--shadow-md);
}

/* Testo a sinistra, illustrazione a destra; sotto gli 860px una colonna sola. */
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .95fr);
    gap: var(--space-6);
    align-items: center;
}
.hero-text { min-width: 0; }

.hero-figure { margin: 0; min-width: 0; }
.hero-figure svg,
.hero-figure img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 560px;
    margin-inline: auto;
}
.hero-figure img { border-radius: var(--radius-lg); }

.hero h1 { margin-bottom: var(--space-4); }
.hero .lead { font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin: 0; }

.hero-eyebrow {
    display: inline-block;
    margin-bottom: var(--space-4);
    padding: .22rem .8rem;
    border-radius: 999px;
    background: var(--c-surface-2);
    color: var(--c-text-muted);
    font-size: .78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
}

/* ---------- 8. Card e griglie ---------- */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-5);
}

.card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--c-surface);
    border: var(--card-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--c-tone) 35%, var(--c-border));
}

.card-body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.card-body > :last-child { margin-bottom: 0; }
.card h3 { margin: 0; }
.card h3 a { color: var(--c-text); }
.card h3 a:hover { color: var(--c-tone); text-decoration: none; }
.card p { margin: 0; color: var(--c-text-soft); font-size: .95rem; }

.cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.cover.wide {
    aspect-ratio: 21 / 9;
    border-radius: var(--radius-md);
    margin: var(--space-5) 0;
}

/* ---------- 9. Blog ---------- */

.filters { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }

.filters a {
    padding: .34rem .95rem;
    border: 1px solid var(--c-border);
    border-radius: 999px;
    background: var(--c-surface);
    color: var(--c-text-muted);
    font-size: .88rem;
    font-weight: 500;
}
.filters a:hover { border-color: var(--c-tone); color: var(--c-tone); text-decoration: none; }
.filters a.on { background: var(--c-tone); border-color: var(--c-tone); color: var(--c-on-accent); }

.post-list { display: flex; flex-direction: column; gap: var(--space-6); }

.post-item {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: var(--space-5);
    align-items: start;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--c-border-soft);
}
.post-item:last-child { border-bottom: 0; padding-bottom: 0; }
.post-item h2 { font-size: 1.3rem; margin-bottom: var(--space-2); }
.post-item h2 a { color: var(--c-text); }
.post-item h2 a:hover { color: var(--c-tone); text-decoration: none; }
.post-item p { margin: 0; color: var(--c-text-soft); }

.thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.pager { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-7); }
.pager a {
    min-width: 2.4rem;
    padding: .35rem .7rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    background: var(--c-surface);
    color: var(--c-text-muted);
    text-align: center;
    font-variant-numeric: tabular-nums;
}
.pager a:hover { border-color: var(--c-tone); color: var(--c-tone); text-decoration: none; }
.pager a.on { background: var(--c-tone); border-color: var(--c-tone); color: var(--c-on-accent); }

/* ---------- 10. Articolo e prosa ---------- */

.article {
    padding: var(--space-7);
    background: var(--c-surface);
    border: var(--card-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.prose { max-width: var(--measure); font-size: 1.04rem; color: var(--c-text-soft); }
.prose > :first-child { margin-top: 0; }
.prose h2 { margin: var(--space-6) 0 var(--space-3); color: var(--c-text); }
.prose h3 { margin: var(--space-5) 0 var(--space-2); color: var(--c-text); }
.prose p { margin: 0 0 var(--space-4); }
.prose ul { margin: 0 0 var(--space-4); padding-left: 1.3rem; }
.prose li { margin-bottom: var(--space-2); }
.prose li::marker { color: var(--c-tone); }

.prose blockquote {
    margin: 0 0 var(--space-4);
    padding: var(--space-2) var(--space-5);
    border-left: 3px solid var(--c-tone);
    background: var(--c-tone-soft);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--c-text-soft);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose code {
    padding: .12rem .4rem;
    border-radius: 5px;
    background: var(--c-surface-2);
    font-family: var(--font-mono);
    font-size: .88em;
    color: var(--c-text);
}

.prose pre {
    margin: 0 0 var(--space-4);
    padding: var(--space-5);
    overflow-x: auto;
    background: var(--c-code-bg);
    color: var(--c-code-text);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: .87rem;
    line-height: 1.6;
}
.prose pre code { background: none; padding: 0; color: inherit; }
.prose.small { font-size: .95rem; }

/* ---------- 11. CV ---------- */

.cv-head {
    padding: var(--space-6) var(--space-7);
    margin-bottom: var(--space-7);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-top: 3px solid var(--c-accent);
    border-radius: var(--radius-sm);
}

.timeline { display: flex; flex-direction: column; gap: var(--space-6); }

.tl-item {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: var(--space-5);
    align-items: start;
}

.tl-when {
    padding-top: .2rem;
    color: var(--c-text-muted);
    font-size: .87rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: .01em;
}

.tl-body {
    position: relative;
    padding-left: var(--space-5);
    border-left: 2px solid var(--c-border);
}
.tl-body::before {
    content: "";
    position: absolute;
    left: -5px;
    top: .5rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-accent);
}
.tl-body h3 { margin-bottom: var(--space-1); }
.tl-body .meta { margin-bottom: var(--space-2); }
.tl-body .prose { font-size: .98rem; }

/* ---------- 12. Applicazioni e release ---------- */

.app-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    object-fit: cover;
    border: 1px solid var(--c-border-soft);
}
.app-icon.big { width: 88px; height: 88px; border-radius: var(--radius-lg); }

.releases { display: flex; flex-direction: column; gap: var(--space-4); }

.release {
    padding: var(--space-5);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-card);
    background: var(--c-surface-2);
}
.release:first-child { background: var(--c-surface); border-color: color-mix(in srgb, var(--c-tone) 30%, var(--c-border)); }

.rel-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.rel-head strong { font-family: var(--font-mono); font-size: 1rem; }

/* ---------- 12b. Pagina "lavori in corso" ---------- */

body.wip-page {
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-5);
    background:
        radial-gradient(120% 100% at 50% -10%, var(--c-accent-soft) 0%, transparent 60%),
        var(--c-bg);
}

.wip {
    width: 100%;
    max-width: 620px;
    padding: var(--space-8) var(--space-6);
    text-align: center;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.wip .art { width: 100%; max-width: 280px; margin: 0 auto var(--space-6); }
.wip p { max-width: 44ch; margin-inline: auto; color: var(--c-text-soft); }

.wip footer {
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--c-border-soft);
    color: var(--c-text-muted);
    font-size: .85rem;
}

.gear-a { transform-origin: 152px 96px; }
.gear-b { transform-origin: 212px 132px; }

@media (prefers-reduced-motion: no-preference) {
    .gear-a { animation: gear-spin 9s linear infinite; }
    .gear-b { animation: gear-spin 6s linear infinite reverse; }
    @keyframes gear-spin { to { transform: rotate(360deg); } }
}

/* ---------- 13. Piè di pagina ---------- */

.site-foot {
    margin-top: auto;
    padding-block: var(--space-6);
    background: var(--c-surface);
    border-top: 1px solid var(--c-border-soft);
    color: var(--c-text-muted);
    font-size: .88rem;
}
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); justify-content: space-between; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.site-foot a { color: var(--c-text-muted); }
.site-foot a:hover { color: var(--c-tone); }

/* accesso all'area riservata: presente ma defilato */
.site-foot .admin-link { opacity: .6; }
.site-foot .admin-link:hover { opacity: 1; }

/* ---------- 14. Accessibilità e stampa ---------- */

:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 2px;
    border-radius: 3px;
}

.skip {
    position: absolute;
    left: -9999px;
    top: 0;
    padding: var(--space-3) var(--space-4);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    z-index: 50;
}
.skip:focus { left: var(--space-4); top: var(--space-4); }

/* ---------- contatori di visita ----------
   Mostrati solo se l'opzione è attiva (Amministrazione → Contatori). */

.counter {
    display: inline-block;
    padding: .05rem .5rem;
    border-radius: 999px;
    background: var(--c-surface-2);
    color: var(--c-text-muted);
    font-size: .78rem;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.site-foot .counter { background: transparent; padding: 0; }

/* ---------- barra di anteprima ----------
   Visibile solo all'amministratore con l'anteprima attiva (sys/inc/preview.php).
   Ricorda che quello che si vede non è quello che vedono i visitatori. */

.preview-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    padding: .45rem var(--space-5);
    background: var(--c-warn-soft);
    border-bottom: 1px solid var(--c-warn);
    color: var(--c-warn);
    font-size: .82rem;
    line-height: 1.4;
}
.preview-bar__label {
    padding: .1rem .5rem;
    border-radius: 999px;
    background: var(--c-warn);
    color: var(--c-on-accent);
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.preview-bar__text { flex: 1 1 16rem; }
.preview-bar a { color: inherit; text-decoration: underline; font-weight: 600; }
.preview-bar form { display: inline; margin: 0; }
.preview-bar button {
    padding: .15rem .6rem;
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
}
.preview-bar button:hover { background: var(--c-warn); color: var(--c-on-accent); }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; gap: var(--space-5); }
    .hero-figure svg, .hero-figure img { max-width: 480px; }
}

@media (max-width: 760px) {
    .post-item, .tl-item { grid-template-columns: 1fr; }
    .tl-when { color: var(--c-tone); font-weight: 600; }
    .article { padding: var(--space-5); }
    .hero { padding: var(--space-6) var(--space-5); }
    main.wrap { padding-block: var(--space-6) var(--space-7); }
}

@media print {
    .site-head, .site-foot, .hero-actions, .filters, .pager, .preview-bar { display: none; }
    body { background: #fff; }
    .article, .cv-head, .card { box-shadow: none; border-color: #ccc; }
    a { color: inherit; text-decoration: underline; }
}
