:root {
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-sec: #64748b;
    --accent: #10b981;
    --fire: #f59e0b;
    --border: #e2e8f0;
    --shadow: 0 10px 25px rgba(0,0,0,0.05);
}

[data-theme="dark"] {
    --bg: #020617;
    --card-bg: #0f172a;
    --text-main: #f8fafc;
    --text-sec: #94a3b8;
    --border: #1e293b;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', sans-serif; }
body { background: var(--bg); color: var(--text-main); font-size: 0.82rem; line-height: 1.4; }
.app-wrapper { max-width: 1400px; margin: 0 auto; padding: 15px; }

header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.logo { font-size: 1.4rem; font-weight: 800; }
.logo span { color: var(--accent); }

.theme-switch-wrapper { display: flex; align-items: center; gap: 8px; font-size: 0.7rem; }
.theme-switch { position: relative; width: 34px; height: 18px; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: #ccc; border-radius: 20px; transition: .4s; }
.slider:before { position: absolute; content: ""; height: 12px; width: 12px; left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: .4s; }
input:checked + .slider { background: var(--accent); }
input:checked + .slider:before { transform: translateX(16px); }

.dashboard { display: grid; grid-template-columns: 340px 1fr; gap: 20px; }
.card { background: var(--card-bg); border: 1px solid var(--border); padding: 16px; border-radius: 12px; margin-bottom: 15px; box-shadow: var(--shadow); position: relative; }
.hidden { display: none !important; }

.section-desc { font-size: 0.68rem; color: var(--text-sec); margin-bottom: 12px; margin-top: -5px; }
.section-sub { font-size: 0.65rem; font-weight: 800; color: var(--text-sec); text-transform: uppercase; margin: 10px 0 5px; }

.btn-primary { background: var(--accent); color: white; border: none; padding: 10px; border-radius: 8px; font-weight: 700; cursor: pointer; transition: 0.2s; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.mode-selector { display: flex; background: var(--border); border-radius: 10px; padding: 4px; margin-bottom: 15px; }
.mode-btn { flex: 1; border: none; padding: 8px; border-radius: 7px; cursor: pointer; font-weight: 700; background: transparent; color: var(--text-sec); font-size: 0.72rem; }
.mode-btn.active { background: var(--card-bg); color: var(--accent); box-shadow: var(--shadow); }

.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.input-group label { display: block; font-size: 0.6rem; font-weight: 800; text-transform: uppercase; color: var(--text-sec); margin-bottom: 4px; }
.input-group input, select { width: 100%; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text-main); font-weight: 600; font-size: 0.82rem; }
.computed-field { background: rgba(16, 185, 129, 0.1) !important; border-color: var(--accent) !important; color: var(--accent) !important; }

.close-info { background: var(--bg); border: 1px solid var(--border); color: var(--text-sec); width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 1.1rem; }
.close-info:hover { background: #ef4444; color: white; border-color: #ef4444; }

.variations-container { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.var-row { display: flex; gap: 6px; align-items: center; width: 100%; }
.var-row input { width: 100%; padding: 6px; font-size: 0.75rem; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text-main); }
.var-row button { border: none; background: none; cursor: pointer; color: #ef4444; font-weight: bold; }

.info-tag { display: inline-block; width: 13px; height: 13px; background: var(--border); border-radius: 50%; text-align: center; font-size: 0.55rem; cursor: help; line-height: 13px; position: relative; color: var(--text-sec); }
.info-tag:hover::after { content: attr(data-tooltip); position: absolute; background: #000; color: #fff; padding: 8px; border-radius: 6px; width: 220px; z-index: 100; font-size: 0.7rem; left: 20px; top: -10px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }

.top-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-bottom: 15px; }
.stat-card { background: var(--card-bg); padding: 12px; border-radius: 12px; border: 1px solid var(--border); }
.stat-card.highlight { border-top: 3px solid var(--accent); }
.stat-card.fire { border-top: 3px solid var(--fire); }
.stat-card h2 { font-size: 1.1rem; margin-top: 3px; }
.stat-card small { font-size: 0.6rem; font-weight: 800; color: var(--text-sec); text-transform: uppercase; }
.stat-desc { font-size: 0.6rem; color: var(--text-sec); display: block; }

.chart-container { height: 380px; }
.badge { padding: 4px 12px; background: var(--fire); color: white; border-radius: 20px; font-size: 0.65rem; font-weight: 800; cursor: help; }
.tooltip-text { visibility: hidden; width: 280px; background: var(--card-bg); border: 1px solid var(--border); padding: 12px; position: absolute; z-index: 100; bottom: 125%; left: 0; border-radius: 8px; font-size: 0.72rem; box-shadow: 0 10px 30px rgba(0,0,0,0.15); opacity: 0; transition: 0.3s; color: var(--text-main); line-height: 1.5; }
.badge-container:hover .tooltip-text { visibility: visible; opacity: 1; }

.btn-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); padding: 6px 14px; border-radius: 20px; font-size: 0.7rem; font-weight: 700; cursor: pointer; transition: 0.2s; }
.btn-outline:hover { background: rgba(16, 185, 129, 0.1); }
.btn-outline.active { background: var(--accent); color: white; }

.compare-badge { background: rgba(16, 185, 129, 0.1); border: 1px dashed var(--accent); color: var(--accent); padding: 5px 12px; border-radius: 8px; font-size: 0.7rem; font-weight: 800; }

.table-scroll { overflow-x: auto; margin-top: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 0.72rem; }
th { text-transform: uppercase; font-size: 0.58rem; color: var(--text-sec); padding: 10px; border-bottom: 1px solid var(--border); text-align: left; }
td { padding: 10px; border-bottom: 1px solid var(--border); }
tr.svolta { background: rgba(245, 158, 11, 0.08); }
tfoot { font-weight: 800; background: rgba(16,185,129,0.08); border-top: 2px solid var(--accent); }
tfoot td { color: var(--text-main); padding: 12px 10px; }

.btn-icon { background: var(--accent); color: white; border: none; border-radius: 50%; width: 22px; height: 22px; cursor: pointer; }

/* =========================================
   OTTIMIZZAZIONE PDF - VERSIONE 5.0 (Risoluzione taglio grafico)
   ========================================= */

.is-generating-pdf { 
    background: white !important; 
    width: 210mm !important; /* Forza larghezza A4 */
    padding: 10mm !important; 
    color: #000 !important;
    font-family: Arial, sans-serif !important;
    font-size: 10pt !important;
    margin: 0 !important;
}

/* Nasconde elementi UI non necessari */
.is-generating-pdf header, 
.is-generating-pdf .sidebar, 
.is-generating-pdf .btn-outline, 
.is-generating-pdf #btnDownloadPDF, 
.is-generating-pdf .info-banner,
.is-generating-pdf .theme-switch-wrapper,
.is-generating-pdf .mode-selector,
.is-generating-pdf .card-header-toggle,
.is-generating-pdf .close-info,
.is-generating-pdf .tooltip-text,
.is-generating-pdf .info-tag,
.is-generating-pdf .compare-controls { 
    display: none !important; 
}

/* Layout PDF */
.is-generating-pdf .app-wrapper {
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    background: white !important;
}

.is-generating-pdf .dashboard {
    display: block !important;
    width: 100% !important;
}

.is-generating-pdf .main-content { 
    width: 100% !important; 
    margin: 0 !important; 
    padding: 0 !important;
}

/* Header Report */
.is-generating-pdf .pdf-only-block { 
    display: block !important; 
    margin-bottom: 15px !important;
}

/* STATISTICHE SUPERIORI */
.is-generating-pdf .top-stats { 
    display: grid !important; 
    grid-template-columns: repeat(4, 1fr) !important; 
    gap: 8px !important; 
    margin-bottom: 15px !important; 
    opacity: 1 !important; 
}
.is-generating-pdf .stat-card { 
    border: 1px solid #ddd !important; 
    background: #fff !important; 
    padding: 8px !important;
    box-shadow: none !important;
    color: #000 !important;
}
.is-generating-pdf .stat-card h2 { 
    font-size: 16pt !important; 
    margin: 0 !important; 
    color: #000 !important; 
}
.is-generating-pdf .stat-card small { 
    font-size: 8pt !important; 
    color: #333 !important; 
    text-transform: uppercase;
}
.is-generating-pdf .stat-desc {
    color: #555 !important;
}

/* === CORREZIONE GRAFICO E BADGE === */
.is-generating-pdf .chart-card {
    page-break-inside: avoid !important;
    border: 1px solid #ddd !important;
    padding: 10px !important;
    background: white !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.is-generating-pdf .chart-header-actions {
    display: flex !important;
    justify-content: space-between !important;
    margin-bottom: 10px !important;
    width: 100% !important;
}

/* Il punto di svolta badge */
.is-generating-pdf .badge {
    background: #f59e0b !important;
    color: white !important;
    padding: 4px 8px !important;
    border-radius: 10px !important;
    font-size: 8pt !important;
}

/* Container specifico per evitare tagli */
.is-generating-pdf .chart-container { 
    width: 100% !important; 
    height: 350px !important; 
    position: relative !important;
    background: white !important;
    overflow: visible !important; 
    left: 0 !important; 
    
    /* MODIFICA CRITICA: Padding a destra per non tagliare l'ultimo anno */
    padding-right: 20px !important; 
    box-sizing: border-box !important;
}

/* Garantisce che il canvas si adatti */
.is-generating-pdf .chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

/* === TABELLA (Mantenuta perfetta) === */
.is-generating-pdf .table-scroll {
    overflow: visible !important;
}

.is-generating-pdf table { 
    width: 100% !important; 
    border-collapse: collapse !important;
    font-size: 8.5pt !important;
    table-layout: fixed !important; 
    margin-top: 15px !important;
}

.is-generating-pdf th {
    background-color: #eee !important;
    color: #000 !important;
    padding: 6px !important;
    border: 1px solid #ccc !important;
}

.is-generating-pdf td { 
    padding: 4px !important; 
    border: 1px solid #ccc !important; 
    color: #000 !important;
}

.is-generating-pdf tr { 
    page-break-inside: avoid !important; 
}
/* =========================================
   FIX DEFINITIVO DARK MODE TABELLA
   ========================================= */

/* Forza lo sfondo scuro su tutto il container della tabella */
[data-theme="dark"] .table-scroll,
[data-theme="dark"] #tabellaRisultati {
    background-color: #0f172a !important; /* Blu scurissimo */
    color: #f1f5f9 !important; /* Testo quasi bianco */
}

/* Intestazione della tabella */
[data-theme="dark"] #tabellaRisultati th {
    background-color: #1e293b !important; /* Grigio scuro per contrasto */
    color: #ffffff !important;
    border-bottom: 2px solid #334155 !important;
    padding: 12px !important;
}

/* Celle della tabella */
[data-theme="dark"] #tabellaRisultati td {
    background-color: #0f172a !important;
    color: #e2e8f0 !important; /* Grigio chiaro per il testo */
    border-bottom: 1px solid #334155 !important;
    padding: 10px !important;
}

/* Riga del "Punto di Svolta" (classe .svolta) */
[data-theme="dark"] #tabellaRisultati tr.svolta td {
    background-color: #1e3a8a !important; /* Blu più acceso per evidenziare */
    color: #ffffff !important;
    border-bottom: 1px solid #2563eb !important;
}

/* Fix per i numeri positivi (Resa/Guadagno) */
[data-theme="dark"] #tabellaRisultati td[style*="color:"] {
    /* Manteniamo il verde per i guadagni, ma lo rendiamo più brillante */
    color: #4ade80 !important; 
}
/* Ripete l'intestazione su ogni pagina PDF */
.is-generating-pdf thead { display: table-header-group !important; } 
.is-generating-pdf tfoot { display: table-footer-group !important; }
/* =========================================
   OTTIMIZZAZIONE PER MOBILE (Vertical Stack)
   ========================================= */
@media (max-width: 900px) {
    /* Trasforma la griglia della dashboard in una colonna singola */
    .dashboard {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    /* La sidebar (input) ora occupa tutta la larghezza */
    .sidebar {
        width: 100%;
        order: 1; /* Appare per prima */
    }

    /* L'area dei risultati appare sotto gli input */
    .main-content {
        width: 100%;
        order: 2;
    }

    /* Ridimensiona le card statistiche (2 per riga invece di 4) */
    .top-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    /* Ottimizza l'header (logo e selettori) */
    header {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        text-align: center;
    }

    /* Riduce leggermente l'altezza del grafico per non riempire troppo lo schermo */
    .chart-container {
        height: 300px;
    }

    /* Rende le tabelle più facili da scorrere su schermi piccoli */
    .table-scroll {
        margin-top: 5px;
        border-radius: 8px;
    }
    
    /* Riduce i margini del wrapper principale per guadagnare spazio laterale */
    .app-wrapper {
        padding: 10px;
    }
}

/* Fix specifico per schermi molto piccoli (Smartphone mini) */
@media (max-width: 480px) {
    .top-stats {
        grid-template-columns: 1fr; /* Una card statistica per riga */
    }
    
    .input-grid {
        grid-template-columns: 1fr; /* Input uno sotto l'altro */
    }
}