/* ═══════════════════════════════════════════
   DataDeep Magazine - Stili condivisi (header mobile)
   Caricato su tutte le pagine. Completa il tema master
   fornendo il menu mobile (il master nasconde .nav-desktop
   sotto i 768px e mostra .mobile-toggle).
   ═══════════════════════════════════════════ */

/* ═══════════════ TAG CATEGORIA (colore per tag, valido su home e articolo) ═══════════════ */
.tag-cat {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1;
  text-transform: uppercase;
  background: rgba(187,49,199,0.12);
  color: var(--dd-purple);
}
.tag-cat[data-cat="AI Generativa e LLM"]  { background: rgba(187,49,199,0.12); color: #bb31c7; }
.tag-cat[data-cat="Machine Learning"]     { background: rgba(123,47,217,0.14); color: #7b2fd9; }
.tag-cat[data-cat="Dati e Governance"]    { background: rgba(124,77,219,0.14); color: #7c4ddb; }
.tag-cat[data-cat="AI Industriale"]       { background: rgba(200,31,214,0.12); color: #c81fd6; }
.tag-cat[data-cat="Strategia e Business"] { background: rgba(192,38,211,0.12); color: #c026d3; }
.tag-cat[data-cat="Etica e Privacy"]      { background: rgba(178,63,191,0.14); color: #b23fbf; }
.tag-cat[data-cat="AI e Lavoro"]          { background: rgba(124,92,240,0.14); color: #7c5cf0; }
.tag-cat[data-cat="Casi di studio"]       { background: rgba(162,28,175,0.12); color: #a21caf; }

/* "Leggi l'articolo" nelle card (sostituisce autore/data) */
.mag-card-readmore { font-size: var(--font-size-xs); font-weight: 700; color: var(--dd-purple); letter-spacing: 0.02em; }
.mag-card:hover .mag-card-readmore { color: var(--dd-blue); }

/* ═══════════════ RICERCA NELL'HEADER (desktop, espandibile) ═══════════════ */
.hdr-search { position: relative; display: flex; align-items: center; }
.hdr-search-input {
  width: 0; min-width: 0; opacity: 0; padding: 0;
  border: 1px solid transparent; background: transparent;
  font-family: var(--font-primary); font-size: var(--font-size-sm);
  color: var(--dd-white); border-radius: var(--radius-full); outline: none;
  transition: width .3s var(--ease-smooth), opacity .25s var(--ease-smooth), padding .3s var(--ease-smooth), border-color .25s;
}
.hdr-search.open .hdr-search-input {
  width: 190px; opacity: 1; padding: 9px 16px;
  border-color: rgba(187,49,199,0.45); background: rgba(255,255,255,0.08);
}
.hdr-search-input::placeholder { color: rgba(255,255,255,0.5); }
.hdr-search-input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; display: none; }
.hdr-search-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border: none; background: none;
  color: var(--dd-white); cursor: pointer; border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-smooth);
}
.hdr-search-btn:hover { background: rgba(255,255,255,0.1); border: 1px solid rgba(187,49,199,0.45); }
.hdr-search-btn svg { width: 18px; height: 18px; }

/* ═══════════════ RICERCA NEL MENU MOBILE ═══════════════ */
.ddm-search { display: flex; gap: 8px; margin-bottom: 16px; }
.ddm-search input {
  flex: 1; min-width: 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: var(--dd-white);
  font-family: var(--font-primary); font-size: var(--font-size-sm);
  outline: none;
}
.ddm-search input::placeholder { color: rgba(255,255,255,0.5); }
.ddm-search input:focus { border-color: var(--dd-purple-light); }
.ddm-search button {
  width: 46px; flex: 0 0 auto; border: none; cursor: pointer;
  border-radius: var(--radius-sm);
  background: var(--dd-gradient-cta); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.ddm-search button svg { width: 18px; height: 18px; }

/* ═══════════════ MENU MOBILE (classi uniche ddm-* per evitare conflitti col master) ═══════════════ */

/* Hamburger: nascosto di default, mostrato solo su mobile */
.ddm-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  color: var(--dd-white);
  cursor: pointer;
  align-items: center; justify-content: center;
  transition: all var(--duration-fast) var(--ease-smooth);
}
.ddm-toggle:hover { border-color: rgba(187,49,199,0.5); }
.ddm-toggle svg { width: 22px; height: 22px; }

/* Pannello e backdrop: NASCOSTI di default ovunque (anche su mobile finché non si apre) */
.ddm-nav, .ddm-backdrop { display: none; }

.ddm-nav {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 84vw);
  height: 100vh; height: 100dvh;
  background: #0a0a28;
  border-left: 1px solid rgba(187,49,199,0.35);
  z-index: 4001;
  padding: 88px 24px 32px;
  flex-direction: column;
  gap: 6px;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-smooth);
  box-shadow: -20px 0 60px rgba(0,0,0,0.45);
  overflow-y: auto;
}
.ddm-nav a {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-md);
  font-weight: 500;
  padding: 14px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-smooth);
}
.ddm-nav a:hover { background: rgba(255,255,255,0.06); color: var(--dd-white); }
.ddm-nav .nav-cta { margin-top: 12px; text-align: center; background: var(--dd-gradient-cta); color: #fff; }
.ddm-backdrop {
  position: fixed; inset: 0;
  background: rgba(5,5,20,0.5);