@charset "UTF-8";

html {
    scroll-behavior: smooth;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to bottom, var(--color-gradient-top), var(--color-bg));
    z-index: -1;
}

body {
    font-family: var(--font-base);
    font-size: 1rem;
    line-height: 1.3;
    color: var(--color-text-body);
    background-color: var(--color-bg);
    padding: 0;
    margin: 0;

    height: 100%;
}

header.main-header {
    background-color: var(--color-header-bg);
    color: var(--color-text-body);
    padding: 1rem;
    text-align: center;
    margin: 0;
    box-shadow: var(--shadow-hard);
    border-bottom: 1px solid var(--color-text-body);
}

header.main-header>p {
    max-width: 80ch;
    margin: 0 auto;
    font-size: 1.3em;
    line-height: normal;
    text-align: center;
}

footer.main-footer {
    background-color: transparent;
    color: var(--color-footer-text);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
}


.sidebar-wrapper {
    position: sticky;
    top: 0;
    height: calc(100vh - 4.1rem);
    overflow-y: auto;
}


.sidebar-wrapper:empty {
    display: none;
}

@media (max-width: 900px) {
    .container {
        grid-template-columns: 1fr;
    }

    .sidebar-wrapper {
        display: none;
    }
}

.main-wrapper {
    width: 100%;
    max-width: clamp(320px, 90vw, 1280px);
    padding: 1rem;
    margin-inline: auto;
    box-sizing: border-box;
    transition: max-width 0.3s ease;
}

.main-wrapper.full-width {
    max-width: 100vw;
}

/* Evita animazioni per utenti sensibili al movimento */
@media (prefers-reduced-motion: reduce) {
    .main-wrapper {
        transition: none;
    }
}


.content {
    margin-left: 0.5rem;
    flex: 1;
}





/* LOADING OVERLAY */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay-bg);
    display: none;
    justify-content: center;
    align-items: flex-start;
    padding-top: 25vh;
    z-index: 9999;
}

#loading-overlay.show {
    display: flex;
}

#loading-box {
    background: #fff;
    padding: 15px 25px;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 15px;
    min-width: 150px;
    animation: loadingFadeIn 0.3s ease-out;
}

@keyframes loadingFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--color-popup-info, #333);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}