/* ===============================
   BASE
================================= */

body {
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f6fa;
    color: #333;
    font-size: 12px;
    text-align: left;
}

/* ===============================
   LAYOUT PRINCIPALE
================================= */

#mainContainer {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ===============================
   COLONNA SINISTRA — USERS
================================= */

#usersListColumn {
    width: 220px; /* FISSO */
    background: #fff;
    border-right: 1px solid #ddd;
    overflow-y: auto;
    padding: 10px;
    flex-shrink: 0;
}

/* ===============================
   COLONNA CENTRALE — BOARD + FILEBOARD
================================= */

#mainContent {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: #fff;
    border-right: 1px solid #ddd;
}

/* --- BOARD (sopra) --- */

#boardWrapper {
    height: 60%; /* FISSO: 60% dello schermo */
    overflow-y: auto;
    padding: 15px;
    border-bottom: 1px solid #ddd;
}

#boardMessages {
    overflow-y: auto;
    overflow-x: hidden;
}

/* Messaggi board */

.threadNode {
    background: #fafafa;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 10px;
}

    .threadNode:hover {
        background: #f0f0f0;
    }

.msg-header {
    font-weight: bold;
    margin-bottom: 5px;
}

.msg-body {
    margin-bottom: 10px;
}

.reply-btn {
    padding: 4px 8px;
    background: #0078ff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

    .reply-btn:hover {
        background: #005fcc;
    }

/* --- FILEBOARD (sotto la board) --- */
 
#fileBoard {
    display: flex;
    flex-wrap: wrap; /* 🔥 permette l'andare a capo automatico */
    gap: 10px; /* spazio tra i file */
    align-items: flex-start;
    height: 30%; /* FISSO: 40% dello schermo */
    overflow-y: auto;
    background: #fafafa;
    border-top: 1px solid #ddd;
    padding: 10px;
}

.file-entry {
    width: 180px; /* larghezza fissa per ogni box */
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #f8f8f8;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.file-entry {
    background: #fff;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
}

/* ===============================
   COLONNA DESTRA — THREAD
================================= */

#threadContent {
    width: 300px; /* FISSO */
    background: #fff;
    border-left: 1px solid #ddd;
    overflow-y: auto;
    padding: 15px;
    flex-shrink: 0;
}

/* ===============================
   POPUP MESSAGGI
================================= */

#messageLayer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.45);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

#messageLayerContent {
    background: #fff;
    padding: 20px;
    width: 350px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

#messageLayer input,
#messageLayer textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

#messageLayer button {
    padding: 8px 14px;
    background: #0078ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

    #messageLayer button:hover {
        background: #005fcc;
    }

/* ===============================
   SCROLLBAR
================================= */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #eee;
}

::-webkit-scrollbar-thumb {
    background: #bbb;
    border-radius: 4px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: #999;
    }

/* ===============================
   LOGOUT
================================= */

#logoutBtn {
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 1000;
}
#layoutRoot {
    margin: 0;
    padding: 0;
    width: 100%;
}

#layoutHeader,
#layoutFooter {
    margin: 0;
    padding: 0;
}

main, body {
    margin: 0;
    padding: 0;
}
#mainContent {
    width: 65vw; /* metà schermo */
    flex: none; /* impedisce che si allarghi */
}
#threadContent {
    width: 450px; /* aumentata */
    flex-shrink: 0;
}
#usersListColumn {
    width: 220px;
}

.delete-btn {
    margin-left: 8px;
    padding: 5px 10px;
    background: #d9534f;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

    .delete-btn:hover {
        background: #c9302c;
    }

.download-btn {
    margin-top: 6px;
    padding: 5px 10px;
    background: #28a745; /* verde elegante */
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

    .download-btn:hover {
        background: #218838; /* verde più scuro */
    }
.quote-box {
    background: #f0f0f0;
    border-left: 3px solid #888;
    padding: 8px;
    margin-bottom: 10px;
    font-size: 0.9em;
    white-space: pre-wrap;
}

.threadNode.highlight {
    background-color: #fff8c6;
    border-left: 4px solid #e0b400;
    transition: background-color 0.3s ease;
}