/* --- 1. NASCONDI LE CATEGORIE (Tua modifica corretta) --- */
section.archiveHeader_categories {
    display: none !important;
}

/* --- 2. PULIZIA CONTENITORE ESTERNO (Via il Grigio e sovrapposizioni) --- */
/* Rimuoviamo lo sfondo grigio dal contenitore principale della ricerca */
.pkp_structure_main > *:first-child {
    background: transparent !important; /* Rende invisibile il box grigio */
    box-shadow: none !important;        /* Rimuove vecchie ombre */
    border: none !important;
    padding: 0 !important;
    margin-bottom: 30px;
}

/* Nascondiamo eventuali etichette o titoli rimasti (quel quadratino bianco sovrapposto) */
.pkp_structure_main > *:first-child h2,
.pkp_structure_main > *:first-child legend,
.pkp_structure_main > *:first-child label {
    display: none !important;
}

/* --- 3. CREAZIONE DELLA "CARD" SUL FORM (Il cuore della modifica) --- */
/* Applichiamo lo stile "Card Bianca" direttamente al form, non al contenitore esterno */
form.pkp_search {
    background-color: #ffffff !important;
    padding: 25px 30px !important;
    border-radius: 8px !important;
    /* Ombra Material Design pulita */
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06) !important;
    border: 1px solid #eaeaea !important;
    
    /* FLEXBOX per allineare tutto sulla stessa riga */
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 15px !important; /* Spazio tra input e bottone */
    width: 100%;
    box-sizing: border-box;
}

/* --- 4. INPUT FIELD (Barra di scrittura) --- */
form.pkp_search input[type="text"],
form.pkp_search input[name="query"] {
    flex-grow: 1 !important; /* Occupa tutto lo spazio disponibile */
    height: 50px !important;
    border: 2px solid #f1f3f4 !important;
    background-color: #f8f9fa !important;
    border-radius: 6px !important;
    padding: 0 20px !important;
    font-size: 16px !important;
    color: #333;
    margin: 0 !important;
    box-shadow: none !important;
    outline: none !important;
    transition: all 0.3s ease;
}

/* Effetto focus (bordo blu quando scrivi) */
form.pkp_search input[type="text"]:focus {
    background-color: #fff !important;
    border-color: #1976d2 !important;
}

/* --- 5. BOTTONE SEARCH (Moderno) --- */
form.pkp_search button,
form.pkp_search input[type="submit"] {
    flex-shrink: 0 !important; /* Impedisce al bottone di schiacciarsi */
    width: auto !important;
    height: 50px !important;
    padding: 0 35px !important; /* Più largo per estetica */
    background-color: #1976d2 !important; /* Blu Material */
    color: white !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    font-size: 14px !important;
    letter-spacing: 0.5px;
    border: none !important;
    border-radius: 6px !important;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.15) !important;
    transition: background-color 0.2s;
    margin: 0 !important;
}

form.pkp_search button:hover,
form.pkp_search input[type="submit"]:hover {
    background-color: #115293 !important; /* Blu più scuro al passaggio */
    box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
}

/* --- RIMOZIONE SFONDO GRIGIO (archiveHeader) --- */
section.archiveHeader {
    background-color: transparent !important; /* Sovrascrive il #ddd */
    background: transparent !important;
    border: none !important;       /* Rimuove eventuali bordi */
    padding: 0 !important;         /* Rimuove il padding interno del box grigio */
    margin-bottom: 30px !important; 
}

/* codice ok */


/* --- MATERIAL CARDS PER PREPRINTS (Classe Corretta: obj_preprint_summary) --- */

/* 1. LA CARD (Contenitore del singolo preprint) */
.obj_preprint_summary {
    background-color: #ffffff !important;
    border: 1px solid #eaeaea !important;
    border-radius: 8px !important;       /* Angoli arrotondati */
    padding: 25px !important;            /* Spazio interno */
    margin-bottom: 25px !important;      /* Spazio tra i preprint */
    
    /* Ombra Material leggera */
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24) !important;
    
    /* Transizione fluida */
    transition: all 0.3s cubic-bezier(.25,.8,.25,1) !important;
    position: relative;
    overflow: hidden;
}

/* 2. EFFETTO HOVER (Quando passi sopra col mouse) */
.obj_preprint_summary:hover {
    box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22) !important;
    transform: translateY(-5px) !important; /* Si solleva leggermente */
}

/* 3. BORDO DECORATIVO LATERALE (Blu) */
.obj_preprint_summary::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background-color: #1976d2; /* Blu Material */
    opacity: 0;
    transition: opacity 0.3s;
}

.obj_preprint_summary:hover::before {
    opacity: 1; /* Appare solo al passaggio del mouse */
}

/* 4. TITOLO DEL PREPRINT */
.obj_preprint_summary .title,
.obj_preprint_summary .title a {
    font-family: 'Roboto', sans-serif !important;
    font-size: 1.25rem !important;
    font-weight: 700 !important;
    color: #333 !important;
    text-decoration: none !important;
    margin-bottom: 8px !important;
    display: block;
}

.obj_preprint_summary .title a:hover {
    color: #1976d2 !important;
}

/* 5. AUTORI */
.obj_preprint_summary .authors {
    font-size: 0.95rem !important;
    color: #555 !important;
    margin-bottom: 15px !important;
}

/* 6. PULSANTE PDF (Specifico dentro la card) */
.obj_preprint_summary a.obj_galley_link {
    display: inline-block !important;
    background-color: #1976d2 !important; /* Sfondo Blu */
    color: #ffffff !important;             /* Testo Bianco */
    text-decoration: none !important;
    padding: 8px 20px !important;
    border-radius: 4px !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    text-transform: uppercase;
    border: none !important;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2) !important;
    margin-top: 15px !important;
    transition: background 0.3s !important;
}

.obj_preprint_summary a.obj_galley_link:hover {
    background-color: #115293 !important; /* Blu più scuro */
    box-shadow: 0 4px 8px rgba(0,0,0,0.3) !important;
    color: #fff !important;
}

/* Opzionale: Nasconde l'icona PDF di default se risulta doppia o brutta */
.obj_preprint_summary a.obj_galley_link:before {
    display: none !important; 
}