/* Stili card zona */
.zone-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--card-shadow);
    transition: box-shadow var(--transition-normal);
}

.zone-card.active {
    box-shadow: 0 4px 24px var(--accent-glow), 0 0 0 1px var(--accent);
}

/* Immagine sfondo stanza */
.zone-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    transition: opacity var(--transition-normal);
}

.zone-card.active .zone-bg {
    opacity: 0.25;
}

/* Contenuto sopra l'immagine */
.zone-content {
    position: relative;
    z-index: 1;
    padding: 16px;
}

/* Header card: emoji + nome + toggle */
.zone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.zone-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.zone-emoji {
    font-size: 1.25rem;
}

.zone-label {
    font-size: 1rem;
    font-weight: 600;
}

/* Temperatura grande */
.zone-temp {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.zone-temp .unit {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.6;
}

.zone-temp.off {
    opacity: 0.3;
}

/* Umidità */
.zone-humidity {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Setpoint con pulsanti */
.zone-setpoint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
}

.btn-sp {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.btn-sp:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-sp:active {
    background: var(--accent);
    color: #000;
}

.sp-value {
    font-size: 1.25rem;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
}

.sp-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 2px;
}

/* Footer card: ECO + serranda */
.zone-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge-eco {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.badge-eco.active {
    background: var(--accent);
    color: #000;
}

.serranda-icon {
    font-size: 1rem;
    opacity: 0.4;
    transition: opacity var(--transition-fast);
}

.serranda-icon.open {
    opacity: 1;
    color: var(--accent);
}