/* --- STILI BASE --- */
body { 
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
    background: #f0f2f5; 
    margin: 0; 
    padding: 0; 
    color: #333;
}

/* --- 1. BARRA DI INTESTAZIONE (Header) --- */
.header-summary {
    /* POSIZIONAMENTO: Fissa in alto */
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    
    /* MODIFICA 1: PIÙ TRASPARENZA */
    /* Opacità ridotta a 0.65 (65%) per un vero effetto vetro */
    background: rgba(255, 255, 255, 0.65); 
    
    /* Sfocatura aumentata per leggibilità su sfondo trasparente */
    backdrop-filter: blur(15px);           
    -webkit-backdrop-filter: blur(15px);   
    
    border-bottom: 1px solid rgba(255, 255, 255, 0.3); /* Bordo quasi invisibile */
    box-shadow: 0 4px 20px rgba(0,0,0,0.05); /* Ombra morbida */

    padding: 10px 20px;
    box-sizing: border-box; 
    
    display: flex;
    justify-content: space-between; 
    align-items: center;
    flex-wrap: wrap; 
    gap: 15px;
}

/* Blocco Sinistro */
.header-left { display: flex; flex-direction: column; min-width: 150px; }
.header-title { font-size: 1.1rem; font-weight: 800; color: #2c3e50; text-transform: uppercase; letter-spacing: 1px; }
.status-indicator { font-size: 0.75rem; color: #666; margin-top: 2px; font-weight: 500;}

/* Blocco Destro */
.header-right { text-align: right; min-width: 150px; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.last-update { font-size: 0.85rem; color: #555; font-variant-numeric: tabular-nums; }
#head-time { font-weight: bold; color: #222; }

/* Selettore finestra temporale */
.time-selector { display: flex; gap: 4px; }
.time-btn {
    font-size: 0.7rem;
    font-weight: 600;
    font-family: inherit;
    padding: 3px 9px;
    border: none;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.06);
    color: #666;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.time-btn:hover { background: rgba(0, 0, 0, 0.12); color: #333; }
.time-btn.active { background: #2c3e50; color: #fff; }

/* Blocco Centrale (Dati Live) */
.live-data-row { 
    display: flex; 
    gap: 20px; 
    justify-content: center; 
    flex-grow: 1; 
    flex-wrap: wrap; 
}

/* MODIFICA 2: LE LINEE CURVE */
.live-item { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    padding: 5px 15px;
    
    /* Questo crea l'effetto "Curvo": arrotondiamo tutto il box */
    border-radius: 15px; 
    
    /* Aggiungiamo un leggerissimo sfondo bianco semitrasparente al box stesso 
       per dare forma alla "pillola" */
    background: rgba(255, 255, 255, 0.4);
    
    /* La linea colorata ora seguirà la curvatura del border-radius sopra */
    border-top: 4px solid transparent; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.02); /* Leggerissima ombra per dare volume */
}

/* Color Coding */
.color-temp  { border-top-color: #e74c3c; }
.color-hum   { border-top-color: #3498db; }
.color-press { border-top-color: #2ecc71; }
.color-dew   { border-top-color: #9b59b6; }

.live-val { font-weight: 700; font-size: 1.3rem; color: #2c3e50; font-variant-numeric: tabular-nums; }
.live-unit { font-size: 0.8rem; color: #7f8c8d; }
.live-label { font-size: 0.65rem; text-transform: uppercase; color: #888; margin-top: 2px; font-weight: 600; }


/* --- 2. GRIGLIA CONTENUTI --- */
.dashboard-grid {
    display: grid;
    max-width: 1400px;
    margin: 20px auto; 
    padding: 0 20px;   
    gap: 20px;      
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    grid-template-areas: 
        "temperatura  umidita"
        "pressione    rugiada";
}

.area-temp  { grid-area: temperatura; border: 1px solid #e74c3c; }
.area-hum   { grid-area: umidita;     border: 1px solid #3498db; }
.area-press { grid-area: pressione;   border: 1px solid #2ecc71; }
.area-dew   { grid-area: rugiada;     border: 1px solid #9b59b6; }

.chart-card {
    background: white; 
    border-radius: 16px; /* Arrotondato coerente con l'header */
    padding: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); 
    height: 350px; 
    display: flex; 
    flex-direction: column;
    min-width: 0; 
}

.card-title { font-size: 1rem; font-weight: 600; margin-bottom: 10px; padding-left: 10px; border-left: 4px solid #ccc; }
.border-temp { border-color: #e74c3c; }
.border-hum { border-color: #3498db; }
.border-press { border-color: #2ecc71; }
.border-dew { border-color: #9b59b6; }
.chart-container { flex-grow: 1; position: relative; width: 100%; }

/* --- RESPONSIVE --- */
@media (max-width: 960px) {
    .dashboard-grid {
        grid-template-columns: 1fr; 
        grid-template-areas: 
            "temperatura"
            "umidita"
            "pressione"
            "rugiada";
    }
}

@media (max-width: 600px) {
    .header-summary { 
        justify-content: center; 
        flex-direction: column; 
        gap: 10px;
    }
    .header-left, .header-right { text-align: center; width: 100%; }
    .live-data-row { width: 100%; justify-content: space-around; }
    .live-item { width: 40%; margin-bottom: 10px; }
}