/* ============================================================
   OAGM — Osservatorio Astronomico G. Marconi
   Foglio di stile condiviso
   ============================================================ */

/* ── Google Fonts caricati nell'HTML di ogni pagina ── */

/* ── Variabili ── */
:root {
  --bg:          #04060f;
  --nav-bg:      #07091a;
  --surface:     rgba(8, 18, 38, .80);
  --surface-hi:  rgba(8, 18, 38, .95);
  --accent:      #4fc3f7;
  --accent-dim:  rgba(79, 195, 247, .14);
  --accent-glow: rgba(79, 195, 247, .08);
  --accent2:     #f39c12;
  --accent2-dim: rgba(243, 156, 18, .22);
  --text:        #c8d8e8;
  --text-dim:    #8aacc0;
  --border:      rgba(79, 195, 247, .14);
  --border-hi:   rgba(79, 195, 247, .38);
  --danger:      #e74c3c;
  --success:     #4caf50;
  --warn:        #f39c12;

  --nav-w:   220px;
  --top-h:    54px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --font-display: 'Orbitron', monospace;
  --font-body:    'Rajdhani', sans-serif;

  --transition: .22s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Base ── */
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

strong { color: var(--text); font-weight: 700; }

/* ── Typography helpers ── */
.font-display { font-family: var(--font-display); }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: .10em;
  color: #fff;
  margin-bottom: 6px;
}
.page-title span { color: var(--accent); }

.page-sub {
  color: var(--text-dim);
  font-size: .92rem;
  margin-bottom: 32px;
}

/* ── Section label ── */
.slabel {
  font-family: var(--font-display);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--accent2);
  text-transform: uppercase;
  margin: 30px 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.slabel::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--accent2-dim);
}

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  backdrop-filter: blur(10px);
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
}
.card-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.card h3 {
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 8px;
}
.card p {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ── Cards grid ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-bottom: 36px;
}

/* ── Inline badge (MPC code, version, etc.) ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: .58rem;
  letter-spacing: .1em;
}
.badge-accent {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid var(--accent-dim);
}
.badge-warn {
  background: rgba(243,156,18,.08);
  color: var(--accent2);
  border: 1px solid rgba(243,156,18,.2);
}

/* ── Pill tag ── */
.tag {
  font-size: .8rem;
  color: var(--accent2);
  letter-spacing: .06em;
  margin-bottom: 14px;
}

/* ── Primary button ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }

.btn-primary {
  background: var(--accent2);
  color: #000;
}
.btn-primary:hover { background: #d08800; box-shadow: 0 4px 16px rgba(243,156,18,.3); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
}
.btn-ghost:hover { background: var(--accent-glow); border-color: var(--border-hi); }

/* ── Link card (resources list) ── */
.link-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), color var(--transition);
}
.link-card:hover {
  border-color: var(--border-hi);
  color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}
.link-card .lc-icon { font-size: 1.5rem; flex-shrink: 0; }
.link-card h4 {
  font-family: var(--font-display);
  font-size: .68rem;
  letter-spacing: .1em;
  margin-bottom: 3px;
}
.link-card p { font-size: .78rem; color: var(--text-dim); }

/* ── Info box (contact, disclaimer) ── */
.info-box {
  background: rgba(79, 195, 247, .05);
  border: 1px solid rgba(79, 195, 247, .2);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.info-box h4 {
  font-family: var(--font-display);
  font-size: .6rem;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: 8px;
}
.info-box p { font-size: .85rem; color: var(--text-dim); line-height: 1.65; }

/* ── Notice bar ── */
.notice {
  margin-top: 28px;
  padding: 15px 20px;
  background: rgba(243, 156, 18, .05);
  border: 1px solid rgba(243, 156, 18, .18);
  border-radius: var(--radius-sm);
  font-size: .88rem;
  color: var(--text-dim);
}
.notice strong { color: var(--accent2); }

/* ── Disclaimer ── */
.disclaimer {
  margin-top: 10px;
  font-size: .8rem;
  font-style: italic;
  color: var(--text-dim);
  border-left: 2px solid var(--accent-dim);
  padding-left: 12px;
  line-height: 1.6;
}

/* ── Table ── */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: auto;
  backdrop-filter: blur(10px);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
thead th {
  padding: 13px 16px;
  text-align: left;
  font-family: var(--font-display);
  font-size: .58rem;
  letter-spacing: .12em;
  color: var(--accent);
  border-bottom: 1px solid rgba(79, 195, 247, .18);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid rgba(79, 195, 247, .06);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(79, 195, 247, .04); }
tbody td {
  padding: 12px 16px;
  color: var(--text);
  vertical-align: middle;
}
tbody td:first-child {
  font-family: var(--font-display);
  font-size: .75rem;
  color: var(--accent2);
  white-space: nowrap;
}
.td-wip { color: var(--text-dim); font-style: italic; font-size: .8rem; }

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 2px;
}
.tab-btn {
  padding: 8px 15px;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: .58rem;
  letter-spacing: .1em;
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn.active,
.tab-btn:hover {
  background: rgba(79, 195, 247, .12);
  color: var(--accent);
  border-color: rgba(79, 195, 247, .38);
}
.tab-panel {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm);
  padding: 26px;
  backdrop-filter: blur(10px);
  margin-bottom: 28px;
}
.tab-panel.active { display: block; }
.tab-panel p {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.78;
  margin-bottom: 8px;
}
.tab-panel ul {
  padding-left: 18px;
  margin-bottom: 8px;
}
.tab-panel li {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.78;
  margin-bottom: 3px;
}
.version-head {
  font-family: var(--font-display);
  font-size: .62rem;
  letter-spacing: .1em;
  color: var(--accent2);
  margin: 16px 0 5px;
}

/* ── Credits grid ── */
.credits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 14px;
}
.credit-block h5 {
  font-family: var(--font-display);
  font-size: .58rem;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 5px;
}
.credit-block p,
.credit-block a {
  font-size: .83rem;
  color: var(--text-dim);
  line-height: 1.65;
}

/* ── Status strip ── */
.status-strip {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: .75rem;
  color: var(--text-dim);
  letter-spacing: .06em;
}
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.dot-green  { background: var(--success); box-shadow: 0 0 5px var(--success); animation: blink 2.5s infinite; }
.dot-yellow { background: var(--warn);    opacity: .6; }
.dot-red    { background: var(--danger);  opacity: .4; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* ── Clickable card link ── */
.card.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.card.card-link:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
  text-decoration: none;
  color: inherit;
}
.card.card-link h3 { transition: color var(--transition); }
.card.card-link:hover h3 { color: var(--accent); }

/* ── App store badges (image version) ── */
.store-btn-img {
  display: inline-block;
  transition: transform var(--transition), opacity var(--transition);
}
.store-btn-img:hover { transform: translateY(-2px); opacity: .88; }
.store-btn-img img { height: 44px; width: auto; display: block; }

/* ── App store badges ── */
.badge-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  box-sizing: border-box;
  background: #000;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 9px;
  padding: 0 16px;
  color: #fff;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), opacity var(--transition);
}
.store-btn:hover {
  border-color: rgba(255, 255, 255, .55);
  transform: translateY(-2px);
  opacity: .88;
  text-decoration: none;
}
.store-btn .ms-logo { flex: none; display: block; }
.store-btn .bt {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.store-btn .bt small {
  font-size: .6rem;
  font-weight: 300;
  opacity: .7;
  letter-spacing: .04em;
}
.store-btn .bt strong {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: #fff;
}

/* ── Gallery / Observatory cards ── */
.obs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 22px;
}
.obs-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: border-color var(--transition), transform var(--transition);
}
.obs-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
}
.obs-img-wrap {
  position: relative;
  width: 100%;
  height: 210px;
  overflow: hidden;
  cursor: zoom-in;
}
.obs-img-wrap img.img-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.obs-img-wrap .img-logo {
  position: absolute;
  bottom: 8px;
  right: 10px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: contain;
  background: rgba(0, 0, 0, .55);
  padding: 4px;
  pointer-events: none;
}
.obs-img-placeholder {
  width: 100%;
  height: 210px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  opacity: .2;
  background: var(--accent-glow);
}
.obs-body { padding: 20px 22px; }
.obs-body h3 {
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 5px;
}
.obs-loc {
  font-size: .8rem;
  color: var(--accent2);
  letter-spacing: .06em;
  margin-bottom: 10px;
}
.obs-body p {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 10px;
}

/* ── Fade-in animation ── */
.fi {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp .55s ease forwards;
}
.fi:nth-child(2) { animation-delay: .10s; }
.fi:nth-child(3) { animation-delay: .20s; }
.fi:nth-child(4) { animation-delay: .30s; }
.fi:nth-child(5) { animation-delay: .40s; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* ── Page inner layout (used by all content pages) ── */
.page-content {
  padding: 36px 44px 56px;
  min-height: 100vh;
}

/* ── Responsive ── */
@media (max-width: 800px) {
  .page-content { padding: 24px 20px 48px; }
}
@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  .obs-grid { grid-template-columns: 1fr; }
  .credits-grid { grid-template-columns: 1fr; }
  .badge-row { flex-direction: column; }
}

/* ── Nav footer text (schiarito per leggibilità su sfondo scuro) ── */
.nav-footer {
  color: #7a9cb0;
}

/* ── Software page: sidebar switcher layout ── */
.sw-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.sw-sidebar {
  width: 160px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 20px;
}
.sw-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.sw-btn .sw-icon { font-size: 1.8rem; line-height: 1; }
.sw-btn:hover {
  border-color: var(--border-hi);
  color: var(--text);
  background: var(--accent-glow);
}
.sw-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(79,195,247,.07);
  box-shadow: 0 0 18px rgba(79,195,247,.08);
}
.sw-btn.active .sw-icon { filter: drop-shadow(0 0 6px rgba(79,195,247,.5)); }
.sw-content { flex: 1; min-width: 0; }
.sw-panel { display: none; }
.sw-panel.active { display: block; }

/* App card */
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  backdrop-filter: blur(10px);
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-bottom: 4px;
}
.app-main { flex: 1; min-width: 220px; }
.app-main h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: .12em;
  color: #fff;
  margin-bottom: 5px;
}
.app-main h2 span { color: var(--accent); }
.app-ver {
  font-family: var(--font-display);
  font-size: .62rem;
  letter-spacing: .1em;
  color: var(--accent2);
  margin-bottom: 14px;
}
.app-main p {
  font-size: .92rem;
  line-height: 1.72;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.app-side { min-width: 190px; }

/* Telegram / support link */
.tg-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 7px 12px;
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius-sm);
  color: var(--accent);
  text-decoration: none;
  font-size: .8rem;
  font-weight: 600;
  transition: background var(--transition);
}
.tg-link:hover { background: var(--accent-glow); text-decoration: none; }
.tg-link img { width: 22px; height: 22px; object-fit: contain; }

@media (max-width: 700px) {
  .sw-layout { flex-direction: column; }
  .sw-sidebar { width: 100%; flex-direction: row; position: static; }
  .sw-btn { flex: 1; padding: 12px 8px; }
  .app-card { padding: 22px 16px; }
}