@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@1,700&family=Italiana&display=swap');

/* =========================================================
   Aeon shared tools header
   Shared by AeonPlan and AeonTools
   Upload target: https://aeonlight.space/assets/css/header-tools.css
   ========================================================= */

:root {
    --header-bg: #1b4741;
    --header-height: 68px;
    --header-accent: #d68643;

    --header-title-color: #d5d5d5;
    --header-title-accent: #e4916e;
    --header-title-rail: 1320px;
    --header-title-offset: 68px;
    --header-title-left: max(40px, calc((100vw - var(--header-title-rail)) / 2 + var(--header-title-offset)));

    --header-link-color: #d5d5d5;
    --header-active-color: #d5d5d5;
    --header-z: 1000;
}

html {
    scroll-padding-top: var(--header-height);
}

/*
   The header itself carries the full-width background.
   This avoids the old body::after overlay issue with AeonPlan, where #app
   creates a low z-index stacking context.
*/
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--header-z);

    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    height: var(--header-height);
    min-height: var(--header-height);
    margin: 0;
    padding: 0 48px;

    border: 0;
    background: var(--header-bg);
    box-shadow: none;
    box-sizing: border-box;
    overflow: visible;
}

.site-header h1 {
    position: absolute;
    left: var(--header-title-left);
    top: 50%;
    transform: translateY(-50%);

    margin: 0;
    padding: 0;

    color: var(--header-title-color);
    font-family: 'Inter', var(--inter, var(--sans, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif));
    font-size: 30px;
    font-weight: 700;
    font-style: italic;
    line-height: 1;
    letter-spacing: 0.2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.48);
    white-space: nowrap;
}

.site-header h1 a {
    color: inherit;
    text-decoration: none;
}

.site-header h1 span {
    color: var(--header-title-accent);
    font-weight: 700;
}

.site-header .header-moon {
    display: none;
}

.site-header .site-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;

    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.site-header .site-nav a.nav-btn,
.site-header .site-nav .nav-btn {
    position: relative;
    z-index: 1;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 40px;
    padding: 10.2px 12px;
    border: 3px solid transparent;
    border-radius: 0;
    background: transparent;
    box-shadow: none;

    color: var(--header-link-color);
    font-family: 'Italiana', serif;
    font-size: 14.7px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.02em;
    text-decoration: none;
    text-transform: none;
    white-space: nowrap;

    cursor: pointer;
    box-sizing: border-box;
    transition: color 180ms ease;
}

.site-header .site-nav a.nav-btn:not(.is-active)::before,
.site-header .site-nav .nav-btn:not(.is-active)::before {
    content: "";
    position: absolute;
    inset: -3px;
    border: 3px solid var(--header-accent);
    opacity: 0;
    transform: scale(0.78);
    transform-origin: center;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
}

.site-header .site-nav a.nav-btn:not(.is-active):hover,
.site-header .site-nav .nav-btn:not(.is-active):hover,
.site-header .site-nav a.nav-btn:not(.is-active):focus-visible,
.site-header .site-nav .nav-btn:not(.is-active):focus-visible {
    color: var(--header-accent);
    outline: none;
}

.site-header .site-nav a.nav-btn:not(.is-active):hover::before,
.site-header .site-nav .nav-btn:not(.is-active):hover::before,
.site-header .site-nav a.nav-btn:not(.is-active):focus-visible::before,
.site-header .site-nav .nav-btn:not(.is-active):focus-visible::before {
    opacity: 1;
    transform: scale(1);
}

.site-header .site-nav a.nav-btn.is-active,
.site-header .site-nav .nav-btn.is-active,
.site-header .site-nav a.nav-btn.is-active:hover,
.site-header .site-nav .nav-btn.is-active:hover,
.site-header .site-nav a.nav-btn.is-active:focus-visible,
.site-header .site-nav .nav-btn.is-active:focus-visible {
    border-color: var(--header-active-color);
    color: var(--header-active-color);
    outline: none;
}

.site-header .site-nav a.nav-btn.is-active::before,
.site-header .site-nav .nav-btn.is-active::before {
    content: none;
}

@media (max-width: 760px) {
    :root {
        --header-height: 64px;
    }

    .site-header {
        justify-content: flex-start;
        padding: 0 18px;
        overflow-x: auto;
        overflow-y: hidden;
    }

    .site-header h1 {
        left: 18px;
        font-size: 2.00rem;
    }

    .site-header .site-nav {
        justify-content: flex-start;
        gap: 14px;
        min-width: max-content;
        margin-left: 138px;
    }

    .site-header .site-nav a.nav-btn,
    .site-header .site-nav .nav-btn {
        font-size: 13.8px;
        padding: 9px 10px;
    }
}