/* header.css - Unified Header Styles across Main, Note, and Wiki */

header#site-header {
    position: relative !important;
    top: auto !important;
    /* Allow natural flow on PC */
    height: auto;
    background: transparent !important;
    padding: 80px 20px 40px 20px !important;
    text-align: center !important;
    display: block !important;
    z-index: 999 !important;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) !important;
}

header#site-header.is-sticky {
    top: 0 !important;
    left: 0 !important;
    background: rgba(255, 198, 160, 0.9) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05) !important;
}

@media screen and (min-width: 769px) {
    header#site-header.is-sticky {
        position: fixed !important;
        width: 100% !important;
        padding: 10px 30px !important;
    }
}

.header-inner {
    width: 100% !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 25px !important;
    transition: all 0.4s ease !important;
}

header#site-header.is-sticky .header-inner {
    flex-direction: row !important;
    justify-content: space-between !important;
    gap: 20px !important;
}



header#site-header h1 {
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
}

header#site-header h1 a {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-decoration: none !important;
    color: inherit !important;
}

/* Base logo style (shrink a bit) */
#logo {
    width: auto !important;
    height: auto !important;
    max-height: 40px !important;
    margin: 0 !important;
    display: block !important;
    transition: max-height 0.4s ease !important;
}

header#site-header.is-sticky #logo {
    max-height: 28px !important;
}

/* Global Navigation */
nav.global-nav {
    margin: 0 !important;
    /* Remove top margins to keep it tight */
}

nav.global-nav ul {
    display: flex !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 15px !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
}

header#site-header.is-sticky nav.global-nav ul {
    gap: 8px !important;
    /* Closer together on sticky */
}

nav.global-nav li {
    padding: 0 !important;
    /* Reset padding to 0 */
    border-radius: 30px;
    background: #fdfdfd !important;
    border: 1px solid var(--card-border, #f0e6e1) !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
}

/* For main site 'current' highlighting */
nav.global-nav li.current {
    background: rgba(255, 175, 145, 0.15) !important;
    border: 1px solid rgba(255, 175, 145, 0.4) !important;
}

header#site-header.is-sticky nav.global-nav li {
    background: transparent !important;
    border-color: transparent !important;
}

nav.global-nav li:hover {
    background: #fffafa !important;
    border-color: var(--acc-color, #ffaf91) !important;
    box-shadow: 0 4px 15px rgba(255, 175, 145, 0.15) !important;
    transform: translateY(-2px) !important;
}

header#site-header.is-sticky nav.global-nav li:hover {
    background: rgba(255, 175, 145, 0.1) !important;
    box-shadow: none !important;
    transform: none !important;
}

nav.global-nav li a {
    padding: 10px 20px !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 30px !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: var(--text-color, #333333) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    text-decoration: none !important;
}

header#site-header.is-sticky nav.global-nav li a {
    padding: 8px 12px !important;
}

nav.global-nav li a .material-symbols-rounded {
    color: var(--acc-color, #ffaf91) !important;
}

header#site-header.is-sticky nav.global-nav li a .material-symbols-rounded {
    display: none !important;
    /* Hide icon on sticky */
}

nav.global-nav li a:hover {
    color: var(--acc-hover, #ff9166) !important;
}

/* Note Specific: Search Container inside Nav */
.nav-search-item {
    background: transparent !important;
    border: none !important;
}

.nav-search-item:hover {
    background: transparent !important;
    box-shadow: none !important;
    transform: none !important;
}

/* PC Nav (Hamburger is hidden by default) */
#nav {
    display: none !important;
}

/* Mobile Breakpoint */
@media screen and (max-width: 768px) {
    header#site-header {
        position: sticky !important;
        top: 0 !important;
        left: 0 !important;
        z-index: 999 !important;
        padding: 10px 20px !important;
        background: rgba(255, 198, 160, 0.9) !important;
        backdrop-filter: blur(10px) !important;
        -webkit-backdrop-filter: blur(10px) !important;
        transition: none !important;
        /* No jumpy transitions on mobile */
    }

    .header-inner {
        max-width: 100% !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        gap: 0 !important;
    }

    #logo {
        max-height: 28px !important;
        margin: 0 !important;
    }

    #nav {
        display: flex !important;
        position: relative !important;
        top: auto !important;
        right: auto !important;
        width: 2.5rem !important;
        height: 2.5rem !important;
        z-index: 1001 !important;
        /* Above global-nav */
        align-items: center;
    }

    #nav_toggle {
        display: block !important;
        position: relative !important;
        margin: auto !important;
        width: 1.75rem !important;
        height: 1.5rem !important;
        cursor: pointer !important;
    }

    #nav_toggle i {
        display: block !important;
        width: 100% !important;
        height: 3px !important;
        background-color: var(--text-color, #333333) !important;
        position: absolute !important;
        transition: transform .5s, opacity .5s, background-color .8s cubic-bezier(0.95, 0.05, 0.795, 0.035) !important;
        border-radius: 2px !important;
    }

    #nav_toggle.modalopen i {
        background-color: #fff !important;
    }

    #nav_toggle i:nth-child(1) {
        top: 0 !important;
    }

    #nav_toggle i:nth-child(2) {
        top: 0 !important;
        bottom: 0 !important;
        margin: auto !important;
    }

    #nav_toggle i:nth-child(3) {
        bottom: 0 !important;
    }

    #nav_toggle.nav_toggle i:nth-child(1) {
        transform: translateY(10px) rotate(-45deg) !important;
    }

    #nav_toggle.nav_toggle i:nth-child(2) {
        opacity: 0 !important;
    }

    #nav_toggle.nav_toggle i:nth-child(3) {
        transform: translateY(-12px) rotate(45deg) !important;
    }

    nav.global-nav {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100svh !important;
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(15px) !important;
        -webkit-backdrop-filter: blur(15px) !important;
        z-index: 1000 !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        /* Changed from center to keep top items accessible */
        align-items: center !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transition: all 0.4s ease !important;
        margin: 0 !important;
        padding: 6rem 0 3rem 0 !important;
        /* Added more top padding to clear header */
        overflow-y: auto !important;
    }



    nav.global-nav.navigation {
        opacity: 1 !important;
        visibility: visible !important;
    }

    nav.global-nav ul {
        flex-direction: column !important;
        justify-content: flex-start !important;
        gap: 5px !important;
        /* Reduced from 15px */
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        /* Avoid arbitrary width restriction */
        box-sizing: border-box !important;
    }

    header#site-header.is-sticky nav.global-nav ul {
        gap: 5px !important;
        /* Closer together on sticky */
    }

    nav.global-nav li {
        width: 100% !important;
        text-align: center !important;
        background: transparent !important;
        border: none !important;
        border-radius: 0 !important;
        /* Override PC border radius */
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
        /* Clean separator */
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        box-sizing: border-box !important;
        padding: 12px 20px !important;
        /* Apply padding to li as well for non-a items */
    }

    #mobile-nav-toc {
        height: fit-content !important;
        padding: 0 0 10rem 0 !important;
    }

    nav.global-nav li.current {
        background: transparent !important;
        border: none !important;
        border-bottom: 2px solid var(--acc-color, #ffaf91) !important;
    }

    nav.global-nav li:hover {
        background: rgba(0, 0, 0, 0.02) !important;
        box-shadow: none !important;
        transform: none !important;
        border-color: transparent !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    }

    header#site-header.is-sticky nav.global-nav li {
        background: transparent !important;
        border: none !important;
        border-radius: 0 !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    }

    nav.global-nav li a {
        padding: 0 !important;
        /* Removed padding to avoid double padding since li has it now */
        border-radius: 0 !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        height: 100% !important;
        /* Stretch to fill padding area of li */
        box-sizing: border-box !important;
    }

    header#site-header.is-sticky nav.global-nav li a {
        padding: 0 !important;
        border-radius: 0 !important;
    }

    header#site-header.is-sticky nav.global-nav li a .material-symbols-rounded {
        display: flex !important;
        /* keep it on mobile menu */
    }
}