:root {
    --loader-bg: #02050a;
    --loader-bg-secondary: #06101c;
    --loader-cyan: #77ddff;
    --loader-blue: #168fff;
    --loader-deep-blue: #073b92;
    --loader-white: #eefaff;
}

/* Evita che la pagina venga scrollata durante il caricamento */
html.is-loading,
body.is-loading {
    overflow: hidden;
}

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient( circle at 50% 44%, rgba(15, 115, 205, 0.19) 0, rgba(5, 26, 50, 0.09) 27%, transparent 55% ), linear-gradient( 145deg, var(--loader-bg-secondary) 0%, var(--loader-bg) 54%, #000 100% );
    opacity: 1;
    visibility: visible;
    transition: opacity 0.75s ease, visibility 0.75s ease;
}

    .page-loader::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background-image: linear-gradient( rgba(255, 255, 255, 0.012) 1px, transparent 1px ), linear-gradient( 90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px );
        background-size: 44px 44px;
        mask-image: radial-gradient( circle at center, #000 0, transparent 72% );
    }

    .page-loader.is-hidden {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

.loader-content {
    position: relative;
    z-index: 2;
    width: min(420px, calc(100vw - 48px));
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: translateY(-2vh);
}

.loader-core {
    position: relative;
    width: 176px;
    height: 176px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 34px;
}

.loader-logo {
    position: relative;
    z-index: 5;
    width: 86px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(128, 225, 255, 0.65)) drop-shadow(0 0 24px rgba(18, 135, 255, 0.4));
    animation: loader-logo-pulse 2.2s ease-in-out infinite;
}

.loader-glow {
    position: absolute;
    z-index: 1;
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: rgba(40, 158, 255, 0.24);
    filter: blur(25px);
    animation: loader-glow-pulse 2.2s ease-in-out infinite;
}

.loader-orbit {
    position: absolute;
    inset: 0;
    border-radius: 36%;
    clip-path: polygon( 25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0 50% );
}

    .loader-orbit::before {
        content: "";
        position: absolute;
        inset: 1px;
        clip-path: inherit;
        background: linear-gradient( 120deg, transparent 8%, rgba(95, 218, 255, 0.2) 28%, rgba(159, 238, 255, 0.95) 49%, rgba(25, 133, 255, 0.45) 66%, transparent 84% );
    }

    .loader-orbit::after {
        content: "";
        position: absolute;
        inset: 3px;
        clip-path: inherit;
        background: var(--loader-bg);
    }

.loader-orbit-outer {
    animation: loader-rotate 4.8s linear infinite;
    filter: drop-shadow(0 0 8px rgba(61, 192, 255, 0.32));
}

.loader-orbit-inner {
    inset: 18px;
    opacity: 0.65;
    animation: loader-rotate-reverse 3.2s linear infinite;
}

.loader-copy {
    width: 100%;
}

.loader-label {
    min-height: 18px;
    margin-bottom: 15px;
    color: var(--loader-white);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.24em;
    line-height: 1.5;
    text-align: center;
    text-transform: uppercase;
    text-shadow: 0 0 12px rgba(91, 213, 255, 0.5);
}

.loader-dots::after {
    content: "";
    display: inline-block;
    width: 18px;
    text-align: left;
    animation: loader-dots 1.4s steps(4, end) infinite;
}

.loader-progress-row {
    display: grid;
    grid-template-columns: 1fr 42px;
    align-items: center;
    gap: 14px;
}

.loader-progress-track {
    position: relative;
    width: 100%;
    height: 2px;
    overflow: hidden;
    background: rgba(134, 220, 255, 0.12);
}

    .loader-progress-track::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient( 90deg, transparent, rgba(255, 255, 255, 0.18), transparent );
        transform: translateX(-100%);
        animation: loader-track-shimmer 1.7s ease-in-out infinite;
    }

.loader-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient( 90deg, var(--loader-deep-blue), var(--loader-blue), var(--loader-cyan), #fff );
    box-shadow: 0 0 8px rgba(100, 220, 255, 0.85), 0 0 18px rgba(32, 150, 255, 0.5);
    transition: width 0.35s ease;
}

.loader-progress-value {
    color: rgba(218, 247, 255, 0.85);
    font-family: "Courier New", monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-align: right;
}

.loader-status {
    margin-top: 12px;
    color: rgba(181, 216, 231, 0.48);
    font-family: "Courier New", monospace;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-align: center;
    text-transform: uppercase;
    transition: opacity 0.25s ease;
}

.loader-star {
    position: absolute;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 8px rgba(100, 220, 255, 0.9);
    animation: loader-star-pulse 2.5s ease-in-out infinite;
}

.star-1 {
    top: 18%;
    left: 17%;
    animation-delay: -0.3s;
}

.star-2 {
    top: 28%;
    right: 20%;
    animation-delay: -1.2s;
}

.star-3 {
    bottom: 22%;
    left: 26%;
    animation-delay: -1.8s;
}

.star-4 {
    right: 14%;
    bottom: 33%;
    animation-delay: -0.7s;
}

.star-5 {
    top: 52%;
    left: 8%;
    animation-delay: -2.1s;
}

.star-6 {
    top: 12%;
    right: 38%;
    animation-delay: -1.4s;
}

@keyframes loader-rotate {
    from {
        transform: rotate(0deg) scale(1);
    }

    50% {
        transform: rotate(180deg) scale(1.035);
    }

    to {
        transform: rotate(360deg) scale(1);
    }
}

@keyframes loader-rotate-reverse {
    from {
        transform: rotate(360deg);
    }

    to {
        transform: rotate(0deg);
    }
}

@keyframes loader-logo-pulse {
    0%, 100% {
        transform: scale(0.97);
        opacity: 0.88;
    }

    50% {
        transform: scale(1.04);
        opacity: 1;
    }
}

@keyframes loader-glow-pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(0.8);
    }

    50% {
        opacity: 1;
        transform: scale(1.25);
    }
}

@keyframes loader-dots {
    0% {
        content: "";
    }

    25% {
        content: ".";
    }

    50% {
        content: "..";
    }

    75%, 100% {
        content: "...";
    }
}

@keyframes loader-track-shimmer {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

@keyframes loader-star-pulse {
    0%, 100% {
        opacity: 0.12;
        transform: scale(0.6);
    }

    50% {
        opacity: 0.9;
        transform: scale(1.7);
    }
}

@media (max-width: 600px) {
    .loader-core {
        width: 146px;
        height: 146px;
        margin-bottom: 28px;
    }

    .loader-logo {
        width: 72px;
    }

    .loader-label {
        font-size: 9px;
        letter-spacing: 0.18em;
    }
}

@media (prefers-reduced-motion: reduce) {
    .loader-orbit,
    .loader-logo,
    .loader-glow,
    .loader-star,
    .loader-progress-track::after {
        animation-duration: 8s;
    }
}