/* Energy Saver Screensaver - Styles */

/* Overlay base */
#energy-saver-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    pointer-events: none;
}

#energy-saver-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Contenuto dello screensaver */
.energy-saver-content {
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 40px;
}

/* Icona */
.energy-saver-icon {
    font-size: 5rem;
    margin-bottom: 2rem;
    line-height: 1;
}

/* Animazioni icona - velocità */
.energy-saver-icon.animation-slow {
    animation: pulse 4s infinite;
}

.energy-saver-icon.animation-normal {
    animation: pulse 2s infinite;
}

.energy-saver-icon.animation-fast {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* Messaggio principale */
.energy-saver-message {
    font-size: 1.5rem;
    font-weight: 300;
    margin: 0 0 1rem 0;
    color: #fff;
}

/* Orologio */
.energy-saver-clock {
    font-size: 3rem;
    font-weight: 200;
    color: rgba(255, 255, 255, 0.8);
    margin: 2rem 0;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.1em;
}

/* Sotto-messaggio */
.energy-saver-submessage {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    display: block;
    margin-top: 1rem;
}

/* ========================================
   STILI SCREENSAVER
   ======================================== */

/* Stile: Nero totale */
#energy-saver-overlay.energy-saver-dark {
    background: #000;
}

/* Stile: Gradiente scuro */
#energy-saver-overlay.energy-saver-gradient {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
}

/* Stile: Cielo stellato */
#energy-saver-overlay.energy-saver-stars {
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

.energy-saver-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.energy-saver-stars .star {
    position: absolute;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.2;
    }
    50% {
        opacity: 1;
    }
}

/* Stile: Minimale */
#energy-saver-overlay.energy-saver-minimal {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ========================================
   MODALITÀ RISPARMIO ENERGETICO BODY
   ======================================== */

body.energy-saving-mode {
    overflow: hidden;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .energy-saver-icon {
        font-size: 3.5rem;
        margin-bottom: 1.5rem;
    }
    
    .energy-saver-message {
        font-size: 1.2rem;
    }
    
    .energy-saver-clock {
        font-size: 2rem;
        margin: 1.5rem 0;
    }
    
    .energy-saver-submessage {
        font-size: 0.8rem;
    }
    
    .energy-saver-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .energy-saver-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .energy-saver-message {
        font-size: 1rem;
    }
    
    .energy-saver-clock {
        font-size: 1.5rem;
        margin: 1rem 0;
    }
}

/* ========================================
   ACCESSIBILITÀ
   ======================================== */

/* Rispetta le preferenze di riduzione movimento */
@media (prefers-reduced-motion: reduce) {
    #energy-saver-overlay,
    .energy-saver-icon,
    .energy-saver-stars .star {
        animation: none !important;
        transition: none !important;
    }
}

/* Alto contrasto */
@media (prefers-contrast: high) {
    #energy-saver-overlay {
        background: #000 !important;
    }
    
    .energy-saver-message,
    .energy-saver-clock,
    .energy-saver-submessage {
        color: #fff !important;
    }
}

/* ========================================
   PRINT (nasconde lo screensaver in stampa)
   ======================================== */

@media print {
    #energy-saver-overlay {
        display: none !important;
    }
}