/* OmniNeo — Biblioteca («Cerca su PubMed, leggi gli articoli»). Accento verde-salvia; tema chiaro/scuro
 * con le variabili di site.css. */
:root {
  --bb-accent: #6fae90;          /* scuro: salvia schiarito per il contrasto su navy */
  --bb-accent-forte: #4f8a6f;
  --bb-accent-rgb: 111, 174, 144;
  --bb-aperto: #34d399;
}
:root[data-theme="light"] {
  --bg-void: #eef2f6;
  --bb-accent: #2f6b52;
  --bb-accent-forte: #2f6b52;
  --bb-accent-rgb: 47, 107, 82;
  --bb-aperto: #047857;
}
[hidden] { display: none !important; }
body { padding-bottom: calc(80px + env(safe-area-inset-bottom, 20px)); }

.bb-top { padding: calc(20px + env(safe-area-inset-top, 0px)) 16px 0; max-width: 820px; margin: 0 auto; box-sizing: border-box; }
.bb-top a, .bb-top button { color: var(--text-muted); display: inline-flex; align-items: center; gap: 4px; font: inherit; font-size: 13px; text-decoration: none; background: none; border: 0; padding: 0; cursor: pointer; }
.bb-wrap { max-width: 820px; margin: 0 auto; padding: 16px 16px 24px; box-sizing: border-box; }
.bb-hero h1 { font-size: 24px; font-weight: 700; color: var(--text); margin: 0; }
.bb-hero h1 span { color: var(--bb-accent); }
.bb-hero p { font-size: 14px; line-height: 1.6; color: var(--text-muted); margin: 6px 0 0; }

/* Ricerca */
.bb-cerca { margin: 16px 0 10px; display: flex; gap: 8px; }
.bb-cerca input { flex: 1; min-width: 0; font: inherit; font-size: 16px; color: var(--text); background: var(--bg-card); border: 1px solid var(--bd);
  border-radius: 12px; padding: 11px 14px; }
.bb-cerca input:focus { outline: 2px solid var(--bb-accent); outline-offset: 1px; border-color: transparent; }
.bb-filtri { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.bb-filtri select, .bb-chip { font: inherit; font-size: 13px; color: var(--text); background: var(--bg-card); border: 1px solid var(--bd); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.bb-filtri select { padding-right: 8px; }
.bb-chip[aria-pressed="true"] { border-color: var(--bb-accent); background: rgba(var(--bb-accent-rgb), 0.16); color: var(--text); }
.bb-chip:focus-visible, .bb-filtri select:focus-visible { outline: 2px solid var(--bb-accent); outline-offset: 2px; }
.bb-tradotto { font-size: 12px; color: var(--text-muted); margin: 8px 0 0; overflow-wrap: anywhere; }
.bb-tradotto code { font-size: 11.5px; background: rgba(var(--bb-accent-rgb), 0.08); border-radius: 5px; padding: 1px 5px; }
.bb-recenti { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 0; }
.bb-recenti button { font: inherit; font-size: 12.5px; color: var(--text-muted); background: none; border: 1px dashed var(--bd); border-radius: 999px; padding: 4px 10px; cursor: pointer; }
.bb-recenti button:hover { color: var(--text); border-color: var(--bb-accent); }

/* Risultati */
.bb-stato { font-size: 13px; color: var(--text-muted); margin: 16px 0 8px; }
.bb-lista { display: flex; flex-direction: column; gap: 10px; }
.bb-art { display: block; width: 100%; text-align: left; font: inherit; color: inherit; background: var(--bg-card); border: 1px solid var(--bd);
  border-left: 3px solid var(--bb-accent-forte); border-radius: 12px; padding: 12px 14px; cursor: pointer; }
.bb-art:hover { border-color: var(--bb-accent); }
.bb-art:focus-visible { outline: 2px solid var(--bb-accent); outline-offset: 2px; }
.bb-art-titolo { font-size: 15px; font-weight: 650; line-height: 1.4; color: var(--text); text-wrap: pretty; }
.bb-art-autori { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; }
.bb-art-rivista { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }
.bb-art-rivista i { font-style: italic; }
.bb-etichette { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.bb-et { font-size: 11px; font-weight: 600; letter-spacing: 0.2px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--bd); color: var(--text-muted); }
.bb-et.tipo { color: var(--bb-accent); border-color: rgba(var(--bb-accent-rgb), 0.45); }
.bb-et.aperto { color: var(--bb-aperto); border-color: var(--bb-aperto); }
.bb-et.gratis { color: var(--text); border-style: dashed; }
.bb-altri { margin: 14px auto 0; display: block; }
.bb-vuoto { font-size: 14px; color: var(--text-muted); padding: 24px 4px; text-align: center; line-height: 1.6; }
.bb-errore { color: #ef4444; }

/* Scheda articolo */
.bb-scheda h1 { font-size: 20px; line-height: 1.35; color: var(--text); margin: 6px 0 8px; text-wrap: balance; }
.bb-scheda .bb-art-autori { font-size: 13.5px; }
.bb-cit { font-size: 13px; color: var(--text-muted); margin-top: 6px; }
.bb-azioni { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 6px; }
.bb-azioni a, .bb-azioni button { text-decoration: none; }
.bb-nota-oa { font-size: 12.5px; color: var(--text-muted); line-height: 1.55; margin: 6px 0 0; }
.bb-sezione { margin: 22px 0 0; }
.bb-sezione h2 { font-size: 12px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; color: var(--bb-accent); margin: 0 0 8px; }
.bb-abstract p { font-size: 15px; line-height: 1.65; color: var(--text); margin: 0 0 10px; max-width: 68ch; }
.bb-abstract b { color: var(--text); }
.bb-copyright { font-size: 11.5px; color: var(--text-dim); margin-top: 4px; }
.bb-mesh { display: flex; flex-wrap: wrap; gap: 6px; }
.bb-mesh span { font-size: 12px; color: var(--text-muted); background: rgba(var(--bb-accent-rgb), 0.08); border-radius: 6px; padding: 3px 8px; }
.bb-ids { font-size: 12.5px; color: var(--text-muted); line-height: 1.8; }
.bb-ids a { color: var(--bb-accent); }
.bb-piccola .bb-art { padding: 10px 12px; }
.bb-piccola .bb-art-titolo { font-size: 14px; }
.bb-fonte { font-size: 11.5px; color: var(--text-dim); margin-top: 18px; line-height: 1.6; }

/* Azioni, finestre, citazioni (B3) */
.bb-azioni2 { margin-top: 4px; }
.bb-azioni2 [aria-pressed="true"] { border-color: var(--bb-accent); color: var(--bb-accent); }
.bb-avviso { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(86px + env(safe-area-inset-bottom, 0px)); z-index: 9998;
  max-width: min(92vw, 520px); background: var(--bg-card); color: var(--text); border: 1px solid var(--bb-accent); border-radius: 12px;
  padding: 10px 14px; font-size: 13.5px; line-height: 1.45; box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.bb-avviso.errore { border-color: #ef4444; }
.bb-dialogo-fondo { position: fixed; inset: 0; z-index: 9997; background: rgba(0,0,0,0.45); display: grid; place-items: center; padding: 16px; }
.bb-dialogo { width: 100%; max-width: 480px; max-height: calc(100dvh - 32px); overflow-y: auto; background: var(--bg-card); border: 1px solid var(--bd);
  border-radius: 14px; padding: 18px; box-shadow: 0 16px 48px rgba(0,0,0,0.35); }
.bb-dialogo h2 { font-size: 17px; color: var(--text); margin: 0 0 8px; }
.bb-dialogo p { font-size: 13.5px; color: var(--text-muted); line-height: 1.5; margin: 0 0 10px; }
.bb-dialogo p a { color: var(--bb-accent); }
.bb-dialogo-titolo { color: var(--text) !important; font-weight: 600; }
.bb-dialogo-azioni { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.bb-campo { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 600; color: var(--text-muted); margin: 0 0 10px; }
.bb-campo input, .bb-campo textarea { font: inherit; font-size: 16px; font-weight: 400; color: var(--text); background: var(--bg-void, #04070f);
  border: 1px solid var(--bd); border-radius: 9px; padding: 9px 11px; resize: vertical; }
.bb-campo input:focus-visible, .bb-campo textarea:focus-visible { outline: 2px solid var(--bb-accent); outline-offset: 1px; }
.bb-cita { border-top: 1px solid var(--bd); padding: 10px 0 4px; }
.bb-cita h3 { font-size: 12px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--bb-accent); margin: 0 0 6px; }
.bb-cita p { color: var(--text) !important; user-select: text; overflow-wrap: anywhere; }
.bb-piccolo { font-size: 12px !important; }
/* Traduzione e riassunto */
.bb-h2-azioni { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.bb-h2-azioni .bb-chip { text-transform: none; letter-spacing: 0; font-weight: 600; font-size: 12.5px; padding: 4px 10px; }
.bb-trad-titolo { font-weight: 700; }
.bb-trad-nota { font-size: 12px !important; color: var(--text-dim) !important; font-style: italic; }
.bb-riassunto { background: rgba(var(--bb-accent-rgb), 0.07); border: 1px solid rgba(var(--bb-accent-rgb), 0.25); border-radius: 12px; padding: 12px 14px; }
.bb-riassunto-testo { white-space: pre-line; font-size: 14.5px; line-height: 1.6; color: var(--text); }
/* Infografica */
.bb-dialogo-largo { max-width: 620px; }
.bb-info-anteprima { max-height: 62dvh; overflow-y: auto; border: 1px solid var(--bd); border-radius: 10px; background: #f5f8f6; }
.bb-info-anteprima img { display: block; width: 100%; height: auto; }
/* Articoli della settimana (B5) */
.bb-settimana { margin: 22px 0 0; }
.bb-settimana h2 { font-size: 12px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; color: var(--bb-accent); margin: 0 0 8px; }
.bb-sett-nota { font-size: 13.5px; line-height: 1.55; color: var(--text-muted); margin: 6px 4px 4px; }
.bb-nota-omnineo { background: rgba(var(--bb-accent-rgb), 0.07); border: 1px solid rgba(var(--bb-accent-rgb), 0.25); border-radius: 12px; padding: 12px 14px; margin: 16px 0 0; }
.bb-nota-omnineo h2 { margin: 0 0 6px; }
.bb-nota-omnineo p { font-size: 14.5px; line-height: 1.6; color: var(--text); margin: 0; white-space: pre-line; }