/* =========================================================
   Biblioteca Pro Loco Caltanissetta
   Tema: "Schedario" — ispirato ai vecchi cataloghi a schede
   delle biblioteche, con toni caldi da pietra calcarea siciliana.
   ========================================================= */

:root {
  --colore-sfondo: #ece3d1;
  --colore-scheda: #fbf7ee;
  --colore-inchiostro: #2a231c;
  --colore-testo-muto: #6d6152;
  --colore-mattone: #a63d2f;
  --colore-mattone-scuro: #832f24;
  --colore-timbro: #3f6663;
  --colore-bordo: #cfc1a1;
  --raggio: 3px;
  --font-display: "Fraunces", Georgia, serif;
  --font-corpo: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-timbro: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--colore-sfondo);
  color: var(--colore-inchiostro);
  font-family: var(--font-corpo);
  line-height: 1.5;
}

body {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(42, 35, 28, 0.06) 1px, transparent 0);
  background-size: 22px 22px;
}

a { color: var(--colore-mattone); }

.header {
  border-bottom: 3px solid var(--colore-inchiostro);
  padding: 2rem 1.5rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.header .eyebrow {
  font-family: var(--font-timbro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--colore-timbro);
  margin: 0 0 0.4rem;
}

.header h1 {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 0.3rem;
}

.header p.sub {
  margin: 0;
  color: var(--colore-testo-muto);
  font-size: 0.98rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.6rem 1.5rem 4rem;
}

/* --- Barra di ricerca / filtri --- */
.barra-ricerca {
  background: var(--colore-scheda);
  border: 1px solid var(--colore-bordo);
  border-radius: var(--raggio);
  padding: 1.1rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2rem;
  align-items: end;
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1 1 180px;
}

.campo label {
  font-family: var(--font-timbro);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--colore-testo-muto);
}

.campo input, .campo select {
  font-family: var(--font-corpo);
  font-size: 0.95rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--colore-bordo);
  border-radius: 2px;
  background: #fff;
  color: var(--colore-inchiostro);
}

.campo input:focus, .campo select:focus, button:focus, a.pulsante:focus {
  outline: 2px solid var(--colore-timbro);
  outline-offset: 1px;
}

button, .pulsante {
  font-family: var(--font-corpo);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.1rem;
  background: var(--colore-mattone);
  color: #fff;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:hover, .pulsante:hover { background: var(--colore-mattone-scuro); }

.pulsante.secondario {
  background: transparent;
  color: var(--colore-inchiostro);
  border: 1px solid var(--colore-inchiostro);
}
.pulsante.secondario:hover { background: var(--colore-inchiostro); color: #fff; }

/* --- Griglia libri: schede di catalogo --- */
.griglia-libri {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1.4rem;
}

.scheda-libro {
  position: relative;
  background: var(--colore-scheda);
  border: 1px solid var(--colore-bordo);
  border-radius: var(--raggio);
  padding: 1.1rem 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.scheda-libro::before {
  /* Il "foro" da schedario in alto a sinistra */
  content: "";
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--colore-sfondo);
  box-shadow: inset 0 0 0 1px var(--colore-bordo);
}

.copertina {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid var(--colore-bordo);
  background: #e4d9c2;
}

.copertina-assente {
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 2px;
  border: 1px dashed var(--colore-bordo);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--colore-testo-muto);
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-align: center;
  padding: 0.5rem;
  background: #f2ead9;
}

.scheda-libro h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0.2rem 0 0;
  line-height: 1.25;
}

.scheda-libro .autore {
  color: var(--colore-testo-muto);
  font-size: 0.9rem;
  margin: 0;
}

.meta-riga {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.timbro {
  font-family: var(--font-timbro);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--colore-timbro);
  color: var(--colore-timbro);
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
}

.timbro.non-disponibile {
  border-color: var(--colore-mattone);
  color: var(--colore-mattone);
}

.descrizione-libro {
  font-size: 0.87rem;
  color: var(--colore-inchiostro);
  margin: 0.2rem 0 0;
  flex-grow: 1;
}

.nessun-risultato {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--colore-testo-muto);
  text-align: center;
  padding: 3rem 1rem;
  border: 1px dashed var(--colore-bordo);
  border-radius: var(--raggio);
}

footer.piede {
  text-align: center;
  color: var(--colore-testo-muto);
  font-size: 0.82rem;
  padding: 2rem 1rem;
}

/* =========================================================
   Area amministrazione
   ========================================================= */

.admin-topbar {
  background: var(--colore-inchiostro);
  color: #fff;
  padding: 0.9rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.admin-topbar a { color: #fff; text-decoration: none; }
.admin-topbar .titolo-admin {
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.admin-topbar nav a {
  margin-left: 1rem;
  font-family: var(--font-timbro);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
}
.admin-topbar nav a:hover { opacity: 1; text-decoration: underline; }

.pagina-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.riquadro-login {
  background: var(--colore-scheda);
  border: 1px solid var(--colore-bordo);
  border-radius: var(--raggio);
  padding: 2.2rem 2rem;
  width: 100%;
  max-width: 360px;
}

.riquadro-login h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: 0;
}

.riquadro-login form { display: flex; flex-direction: column; gap: 0.9rem; }
.riquadro-login button { margin-top: 0.4rem; }

.messaggio {
  padding: 0.7rem 0.9rem;
  border-radius: 2px;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}
.messaggio.errore { background: #f8d9d3; color: var(--colore-mattone-scuro); border: 1px solid var(--colore-mattone); }
.messaggio.successo { background: #dcebe9; color: var(--colore-timbro); border: 1px solid var(--colore-timbro); }

table.tabella-admin {
  width: 100%;
  border-collapse: collapse;
  background: var(--colore-scheda);
  border: 1px solid var(--colore-bordo);
}
table.tabella-admin th, table.tabella-admin td {
  text-align: left;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--colore-bordo);
  font-size: 0.92rem;
}
table.tabella-admin th {
  font-family: var(--font-timbro);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--colore-testo-muto);
}
table.tabella-admin tr:last-child td { border-bottom: none; }
table.tabella-admin .azioni { display: flex; gap: 0.6rem; white-space: nowrap; }
table.tabella-admin .azioni a { font-size: 0.85rem; }

.link-elimina { color: var(--colore-mattone); }

.intestazione-admin {
  max-width: 1100px;
  margin: 1.6rem auto 1rem;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.intestazione-admin h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0;
}

.form-libro {
  max-width: 640px;
  background: var(--colore-scheda);
  border: 1px solid var(--colore-bordo);
  border-radius: var(--raggio);
  padding: 1.6rem;
  margin: 0 auto 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-libro .riga-doppia {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 560px) {
  .form-libro .riga-doppia { grid-template-columns: 1fr; }
}

.form-libro textarea {
  font-family: var(--font-corpo);
  font-size: 0.95rem;
  padding: 0.55rem 0.6rem;
  border: 1px solid var(--colore-bordo);
  border-radius: 2px;
  resize: vertical;
  min-height: 100px;
}

.copertina-attuale {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.copertina-attuale img {
  width: 70px;
  aspect-ratio: 2/3;
  object-fit: cover;
  border: 1px solid var(--colore-bordo);
  border-radius: 2px;
}

.checkbox-riga {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.checkbox-riga input { width: auto; }