:root {
    --sidebar-bg: #f8f9fa;
    --item-bg: #ffffff;
    --primary: #007bff;
    --success: #28a745;
    --warning: #fd7e14;
    --danger: #dc3545;
    --text: #212529;
    --sidebar-width: 450px;
    --menu-height: 35px;
}

body {
    margin: 0;
    overflow: hidden;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* --- MENU BAR --- */
#navbar {
    height: 35px;
    background: #343a40;
    display: flex;
    align-items: center;
    padding: 0 10px;
    z-index: 1000;
    position: relative; /* Essenziale */
}

.menu-item {
    position: relative;
    color: #fff;
    padding: 0 15px;
    cursor: pointer;
    font-size: 13px;
    height: 100%;
    display: flex;
    align-items: center;
}

.menu-item:hover { background: #495057; }

.dropdown {
    display: none;
    position: absolute;
    top: 100%; /* Si attacca esattamente al fondo del parent */
    left: 0;
    background: #fff;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    border: 1px solid #ddd;
    padding-top: 0; /* Assicura che non ci siano vuoti */
}

/* Pseudo-elemento per colmare eventuali gap invisibili del browser */
.dropdown::before {
    content: "";
    position: absolute;
    top: -5px;
    left: 0;
    width: 100%;
    height: 5px;
    background: transparent;
}

.menu-item:hover .dropdown { display: block; }

.dropdown div, .dropdown label {
    color: #333;
    padding: 8px 15px;
    display: block;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}

.dropdown div:hover { background: #f1f3f5; }
.dropdown hr { border: 0; border-top: 1px solid #eee; margin: 5px 0; }

/* --- LAYOUT --- */
#main-container {
    display: flex;
    flex-grow: 1;
    overflow: hidden;
}

#sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid #dee2e6;
    display: flex;
    flex-direction: column; /* Gli elementi sono incolonnati */
    height: 100vh;          /* Occupa tutta l'altezza dello schermo */
}

#renderCanvas {
    flex-grow: 1;
    width: 0;
    height: 100%;
    outline: none;
}

/* --- SIDEBAR COMPONENTS --- */
#stats-header {
    padding: 10px;
    background: #fff;
    border-bottom: 1px solid #dee2e6;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

#ui-controls {
    /* flex: 1 significa "prendi tutto lo spazio disponibile". 
       Se ce ne sono due con lo stesso valore, faranno 50% e 50% */
    flex: 1; 
    overflow-y: auto; /* Attiva la scrollbar interna se il contenuto eccede */
    min-height: 0;    /* Fondamentale: permette al pannello di rimpicciolirsi */
    border-bottom: 2px solid #adb5bd;
    padding: 15px;
}


.dropdown select {
    width: 100%;
    margin-top: 2px;
    font-size: 11px;
}

#list-container {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: 10px;
    background: #e9ecef;
}

/* Sliders */
.compact-slider-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

.compact-col { display: flex; flex-direction: column; font-size: 10px; }

/* Item Lista */
.texture-item {
    background: #fff;
    margin-bottom: 5px;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ced4da;
    font-size: 11px;
}

.active-highlight { border-color: var(--primary); box-shadow: 0 0 5px rgba(0,123,255,0.3); }

#progress-info {
    font-size: 10px;
    color: #d63384;
    padding: 5px;
    text-align: center;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.scraping-inputs {
    font-size: 10px;
    background: #f1f3f5;
    padding: 8px;
    border-radius: 4px;
    margin-bottom: 10px;
}
.scraping-inputs input { width: 100%; font-size: 9px; margin-bottom: 4px; }


        /* --- MENU CONTESTUALE --- */
        #contextMenu {
            display: none;
            position: absolute;
            background: #fff;
            border-radius: 4px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            z-index: 1000;
            border: 1px solid #ccc;
        }

        #contextMenu div {
            padding: 8px 15px;
            cursor: pointer;
            font-size: 12px;
            border-bottom: 1px solid #eee;
        }

        #contextMenu div:hover {
            background: var(--primary);
            color: #fff;
        }


/* --- STILI MODALE GUIDA --- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.modal-content h3 {
    margin-top: 0;
    color: var(--primary);
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}		


/* --- NUOVO LAYOUT SLIDERS --- */
.slider-section {
    background: #f1f3f5;
    padding: 5px;
    border-radius: 6px;
    border: 1px solid #dee2e6;
    margin-top: 10px;
}

.slider-section-title {
    font-size: 11px;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    color: #495057;
    margin-bottom: 5px;
    display: block;
}

.slider-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* Due colonne uguali */
    gap: 5px; /* Spazio tra le colonne */
    align-items: start;
}

.slider-col {
    display: flex;
    flex-direction: column;
    gap: 5px; /* Spazio verticale tra i gruppi di slider */
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    font-size: 10px;
    font-weight: bold;
    color: #212529;
    margin-bottom: 4px;
    white-space: nowrap;
}

.control-group input[type="range"] {
    width: 100%; /* Forza la larghezza identica */
    cursor: pointer;
    margin: 0;
}

/* Classe universale per i titoli delle sezioni nella sidebar */
.section-title {
    font-size: 10px;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    color: #495057;
    margin-bottom: 12px;
    padding: 6px;
    background: #e9ecef;
    border-radius: 4px;
    border-bottom: 1px solid #adb5bd;
    letter-spacing: 0.5px;
    display: block;
}



/* Trasforma i titoli in tasti cliccabili */
.section-title {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    transition: background 0.2s;
}

.section-title:hover {
    background: #dee2e6;
}

/* Freccina indicatrice */
.section-title::after {
    content: '▼';
    font-size: 8px;
    transition: transform 0.3s;
}

/* Stato quando la sezione è chiusa */
.section-container.collapsed {
    flex: 0 0 auto !important; /* Impedisce alla sezione chiusa di prendere spazio */
}



.section-container.collapsed .section-title::after {
    transform: rotate(-90deg);
}

.section-container.collapsed .section-content {
    display: none; /* Nasconde il contenuto */
}

/* Contenitore flessibile per le sezioni */
.section-container {
    display: flex;
    flex-direction: column;
    flex: 1; /* Di default prendono spazio uguale */
    min-height: 0;
    border-bottom: 1px solid #adb5bd;
}

.section-container.collapsed > *:not(.section-title) {
    display: none !important;
}

/* Rimuovi flex: 1 dai vecchi ID e usali solo per lo scroll */
#ui-controls, #list-container {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

/* Container principale dello scraping */
.scraping-inputs-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 11px;
}

/* Riga singola: allinea label, input e bottoni */
.scraping-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Label con larghezza fissa per allineare gli input */
.scraping-row label {
    white-space: nowrap;
    min-width: 125px; /* Regola in base alla lunghezza del testo */
    color: #333;
}

/* Input e Select prendono lo spazio rimanente */
.scraping-row input, 
.scraping-row select {
    flex-grow: 1;
    height: 24px;
    padding: 2px 5px;
    border: 1px solid #ccc;
    border-radius: 2px;
    font-size: 11px;
}

/* Pulsanti quadrati come da figura */
.scraping-btn {
    width: 28px;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #e9ecef;
    border: 1px solid #adb5bd;
    border-radius: 3px;
    cursor: pointer;
    font-size: 16px; /* Per i simboli ⇩ ⇧ ☆ */
    font-weight: bold;
    color: #495057;
    transition: all 0.2s;
}

.scraping-btn:hover {
    background: #dee2e6;
    border-color: #868e96;
}

/* Messaggio di stato TAB sotto la prima riga */
.status-msg {
    font-size: 9px;
    color: var(--danger);
    margin-left: 129px; /* Allineato con l'inizio dell'input */
    margin-top: -2px;
    margin-bottom: 5px;
}