/* ============================================================
   Azzurra IRC Network – Theme CSS
   Palette fedele all'originale azzurra.chat:
   sky-blue header · steel-blue nav · white content · light blue-gray bg
   Con tipografia e componenti moderni.
   ============================================================ */

:root {
  --bg:             #dce8f2;
  --surface:        #ffffff;
  --surface-2:      #eaf3fb;
  --surface-3:      #f5f9fd;
  --header-from:    #9dcde8;
  --header-to:      #d8eef8;
  --nav-bg:         #4a6275;
  --nav-active:     #3a5060;
  --nav-hover:      #556e82;
  --sidebar-header: #5b8fba;
  --primary:        #1a6bbf;
  --primary-dark:   #0f4e8e;
  --primary-light:  #4a9ad4;
  --accent:         #2580e0;
  --text:           #1a2530;
  --text-muted:     #445566;
  --text-faint:     #7a8e9e;
  --text-on-dark:   #ffffff;
  --text-on-mid:    #e8f0f8;
  --border:         #b4ccde;
  --border-light:   #cfe0ed;
  --shadow-sm:      0 1px 4px rgba(30,60,90,0.10);
  --shadow:         0 3px 12px rgba(30,60,90,0.13);
  --shadow-lg:      0 6px 28px rgba(30,60,90,0.16);
  --radius:         6px;
  --radius-lg:      10px;
  --radius-xl:      16px;
  --font-sans:      'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', monospace;
  --max-w:          920px;
  --transition:     0.16s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }

/* HEADER */
.site-header {
  background: linear-gradient(160deg, var(--header-from) 0%, var(--header-to) 100%);
  border-bottom: 2px solid var(--nav-bg);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 68px;
}

.site-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; flex-shrink: 0; }
.logo-mark {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--nav-bg) 0%, var(--primary) 100%);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1rem; color: #fff; letter-spacing: -0.5px;
  box-shadow: 0 2px 8px rgba(74,98,117,0.35);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-name { font-size: 1.25rem; font-weight: 800; color: var(--nav-bg); letter-spacing: -0.02em; text-shadow: 0 1px 0 rgba(255,255,255,0.6); }
.logo-sub  { font-size: 0.62rem; color: var(--primary-dark); text-transform: uppercase; letter-spacing: 0.14em; font-weight: 600; }

/* NAV BAR */
.site-nav-bar { background: var(--nav-bg); border-bottom: 1px solid var(--nav-active); }
.nav-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: stretch;
}
.site-nav-bar a {
  color: var(--text-on-mid);
  font-size: 0.82rem; font-weight: 500;
  padding: 0.55rem 1.1rem;
  border-right: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  display: flex; align-items: center;
}
.site-nav-bar a:first-child { border-left: 1px solid rgba(255,255,255,0.08); }
.site-nav-bar a:hover  { background: var(--nav-hover); color: #fff; }
.site-nav-bar a.active { background: var(--nav-active); color: #fff; font-weight: 600; }
.nav-spacer { flex: 1; }
.nav-cta {
  background: var(--primary) !important; color: #fff !important;
  border-radius: 0 !important; font-weight: 600 !important;
  border-left: 1px solid rgba(255,255,255,0.15) !important; border-right: none !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.4rem; color: var(--nav-bg); }

/* PAGE HERO */
.page-hero {
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 1.5rem 2rem;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; color: var(--nav-bg); margin-bottom: 0.5rem; letter-spacing: -0.03em; }
.page-hero .lead { color: var(--text-muted); font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* HOME HERO */
.home-hero {
  text-align: center;
  padding: 3.5rem 1.5rem 3rem;
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--surface) 60%, var(--surface-3) 100%);
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.home-hero::before {
  content: '';
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(157,205,232,0.4) 0%, transparent 70%);
  pointer-events: none;
}
.home-hero .badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--primary-dark);
  font-size: 0.72rem; font-weight: 700; padding: 0.3rem 0.9rem;
  border-radius: 999px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1.5rem;
}
.home-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900;
  letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 1rem; color: var(--nav-bg);
}
.home-hero h1 span { color: var(--primary); }
.home-hero .subtitle { color: var(--text-muted); font-size: 1.05rem; max-width: 520px; margin: 0 auto 2rem; line-height: 1.65; }
.hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.65rem 1.4rem; border-radius: var(--radius);
  font-size: 0.88rem; font-weight: 600;
  transition: all var(--transition); cursor: pointer; border: none; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(26,107,191,0.30); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 4px 14px rgba(26,107,191,0.40); transform: translateY(-1px); }
.btn-secondary { background: var(--surface); color: var(--nav-bg); border: 1.5px solid var(--border); }
.btn-secondary:hover { background: var(--surface-2); color: var(--primary); border-color: var(--primary-light); }

/* STATS BAR */
.stats-bar { display: flex; justify-content: center; background: var(--nav-bg); border-bottom: 1px solid var(--nav-active); flex-wrap: wrap; }
.stat-item { text-align: center; padding: 1rem 2.5rem; border-right: 1px solid rgba(255,255,255,0.1); }
.stat-item:last-child { border-right: none; }
.stat-value { font-size: 1.5rem; font-weight: 800; color: #fff; letter-spacing: -0.03em; display: block; line-height: 1; }
.stat-label { font-size: 0.68rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.12em; margin-top: 0.25rem; }

/* MAIN */
.site-main { flex: 1; max-width: var(--max-w); margin: 0 auto; padding: 2rem 1.5rem 3rem; width: 100%; }

/* NEWS SECTION HEADER */
.news-section { margin-top: 0.5rem; }
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; padding: 0.55rem 0.9rem;
  background: var(--sidebar-header); border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.section-title { font-size: 0.82rem; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 0.1em; }
.section-link { font-size: 0.76rem; color: rgba(255,255,255,0.8); font-weight: 500; }
.section-link:hover { color: #fff; }

/* POST CARD */
.post-card {
  background: var(--surface); border: 1px solid var(--border-light);
  border-left: 3px solid var(--primary-light);
  border-radius: var(--radius-lg); padding: 1.4rem 1.5rem; margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.post-card:hover { border-left-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-1px); }
.post-meta { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.6rem; flex-wrap: wrap; }
.post-date { font-size: 0.73rem; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.post-tag { font-size: 0.67rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; color: var(--primary-dark); background: var(--surface-2); border: 1px solid var(--border); padding: 0.1rem 0.5rem; border-radius: 999px; }
.post-card h2 { font-size: 1.08rem; font-weight: 700; color: var(--text); margin-bottom: 0.45rem; line-height: 1.3; }
.post-card h2 a { color: inherit; }
.post-card h2 a:hover { color: var(--primary); }
.post-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.65; }
.post-card .read-more { display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 0.65rem; font-size: 0.78rem; font-weight: 600; color: var(--primary); }
.post-card .read-more:hover { color: var(--accent); }

/* SINGLE POST / PAGE CONTENT */
.post-header { margin-bottom: 2rem; }
.post-header h1 { font-size: clamp(1.5rem, 3.5vw, 2rem); font-weight: 800; color: var(--nav-bg); letter-spacing: -0.03em; line-height: 1.25; margin-bottom: 0.75rem; }

.post-body, .page-content { color: var(--text-muted); font-size: 1rem; line-height: 1.85; max-width: 720px; }
.post-body h2, .page-content h2 { color: var(--nav-bg); font-size: 1.2rem; font-weight: 700; margin: 2rem 0 0.65rem; padding-bottom: 0.45rem; border-bottom: 2px solid var(--border-light); }
.post-body h3, .page-content h3 { color: var(--text); font-size: 1.05rem; font-weight: 600; margin: 1.5rem 0 0.45rem; }
.post-body p, .page-content p { margin-bottom: 1.1rem; }
.post-body ul, .post-body ol, .page-content ul, .page-content ol { padding-left: 1.5rem; margin-bottom: 1.1rem; }
.post-body li, .page-content li { margin-bottom: 0.35rem; }
.post-body a, .page-content a { color: var(--primary); border-bottom: 1px solid rgba(26,107,191,0.25); }
.post-body a:hover, .page-content a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.post-body strong, .page-content strong { color: var(--text); font-weight: 600; }
.post-body code, .page-content code { background: var(--surface-2); border: 1px solid var(--border); padding: 0.15em 0.45em; border-radius: 4px; font-family: var(--font-mono); font-size: 0.85em; color: var(--primary-dark); }
.post-body pre, .page-content pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; overflow-x: auto; margin-bottom: 1.2rem; }
.post-body pre code, .page-content pre code { background: none; border: none; padding: 0; font-size: 0.875rem; color: var(--nav-bg); }
.post-body blockquote, .page-content blockquote { border-left: 3px solid var(--sidebar-header); padding: 0.75rem 1.25rem; margin: 1.5rem 0; background: var(--surface-2); border-radius: 0 var(--radius) var(--radius) 0; color: var(--text); }

.page-content table, .post-body table { width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; font-size: 0.9rem; box-shadow: var(--shadow-sm); border-radius: var(--radius); overflow: hidden; }
.page-content th, .post-body th { background: var(--sidebar-header); color: #fff; font-weight: 600; text-align: left; padding: 0.6rem 1rem; border: none; }
.page-content td, .post-body td { padding: 0.55rem 1rem; border-bottom: 1px solid var(--border-light); color: var(--text-muted); }
.page-content tr:last-child td, .post-body tr:last-child td { border-bottom: none; }
.page-content tr:nth-child(even) td, .post-body tr:nth-child(even) td { background: var(--surface-3); }

/* INFO BOX */
.info-box { background: var(--surface-2); border: 1px solid var(--border); border-left: 3px solid var(--sidebar-header); border-radius: var(--radius); padding: 0.9rem 1.2rem; margin: 1.5rem 0; color: var(--text-muted); font-size: 0.9rem; }
.info-box strong { color: var(--primary-dark); display: block; margin-bottom: 0.2rem; font-weight: 700; }

/* CONNECT CTA */
.connect-cta { background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface) 100%); border: 1px solid var(--border); border-top: 3px solid var(--sidebar-header); border-radius: var(--radius-lg); padding: 2rem; text-align: center; margin: 2.5rem 0 0; box-shadow: var(--shadow-sm); }
.connect-cta h3 { font-size: 1.1rem; font-weight: 700; color: var(--nav-bg); margin-bottom: 0.4rem; }
.connect-cta p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }
.connect-cta code { display: inline-block; background: var(--nav-bg); color: #fff; padding: 0.45rem 1.2rem; border-radius: var(--radius); font-family: var(--font-mono); font-size: 0.9rem; margin-bottom: 1.25rem; letter-spacing: 0.04em; }

/* BREADCRUMB */
.breadcrumb { font-size: 0.78rem; color: var(--text-faint); margin-bottom: 1.5rem; display: flex; gap: 0.4rem; align-items: center; }
.breadcrumb a { color: var(--text-faint); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--border); }

/* POST LIST */
.post-list-meta { font-size: 0.8rem; color: var(--text-faint); margin-bottom: 1.25rem; }

/* PAGINATION */
.pagination { display: flex; gap: 0.4rem; justify-content: center; margin-top: 2rem; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: var(--radius); border: 1px solid var(--border); font-size: 0.82rem; color: var(--text-muted); background: var(--surface); transition: all var(--transition); }
.pagination a:hover { border-color: var(--primary); color: var(--primary); background: var(--surface-2); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }

/* FOOTER */
.site-footer { background: var(--nav-bg); border-top: 1px solid var(--nav-active); padding: 2.5rem 1.5rem; margin-top: auto; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.footer-brand .footer-logo { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 0.4rem; }
.footer-brand p { font-size: 0.8rem; color: rgba(255,255,255,0.55); line-height: 1.6; max-width: 300px; }
.footer-brand code { font-family: var(--font-mono); color: rgba(255,255,255,0.85); background: none; font-size: inherit; }
.footer-links { display: flex; gap: 2.5rem; }
.footer-col h4 { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255,255,255,0.45); margin-bottom: 0.75rem; }
.footer-col a { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.65); margin-bottom: 0.4rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom { max-width: var(--max-w); margin: 1.75rem auto 0; padding-top: 1.1rem; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; font-size: 0.73rem; color: rgba(255,255,255,0.38); flex-wrap: wrap; gap: 0.5rem; }
.footer-bottom a { color: rgba(255,255,255,0.38); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* RESPONSIVE */
@media (max-width: 680px) {
  .nav-bar-inner { overflow-x: auto; }
  .site-nav-bar a { font-size: 0.78rem; padding: 0.5rem 0.8rem; }
  .stat-item { padding: 0.9rem 1.4rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; gap: 1.5rem; }
  .home-hero { padding: 2.5rem 1.25rem 2rem; }
}