/* ============================================
   Site Navigation Bar & Footer
   Shared across all pages except app.html
   ============================================ */

:root {
    --nav-bg: #E65100;
    --nav-text: #ffffff;
    --nav-hover: rgba(255, 255, 255, 0.15);
    --nav-active: rgba(255, 255, 255, 0.25);
    --nav-height: 48px;
    --footer-border: #e0e0e0;
    --footer-text: #666;
    --footer-link: #F57C00;
    --footer-link-hover: #E65100;
    --footer-bg: transparent;
}

@media (prefers-color-scheme: dark) {
    :root {
        --nav-bg: #BF360C;
        --footer-border: #333;
        --footer-text: #a0a0a0;
        --footer-link: #FFB74D;
        --footer-link-hover: #FFCC80;
    }
}

body.dark-mode {
    --nav-bg: #BF360C;
    --footer-border: #333;
    --footer-text: #a0a0a0;
    --footer-link: #FFB74D;
    --footer-link-hover: #FFCC80;
}

/* ---- Navigation Bar ---- */

.site-nav {
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 900;
}


.site-nav__container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    height: 100%;
}

.site-nav__brand {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    margin-right: 24px;
    flex-shrink: 0;
}

.site-nav__brand:hover {
    opacity: 0.9;
}

.site-nav__links {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 100%;
    flex: 1;
}

.site-nav__links > a,
.site-nav__dropdown-toggle {
    color: var(--nav-text);
    text-decoration: none;
    font-size: 13px;
    padding: 6px 10px;
    border-radius: 4px;
    transition: background 0.15s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    height: 32px;
}

.site-nav__links > a:hover,
.site-nav__dropdown-toggle:hover {
    background: var(--nav-hover);
}

.site-nav__links > a.active {
    background: var(--nav-active);
    font-weight: 600;
}

/* More dropdown */
.site-nav__dropdown {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.site-nav__dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
    font-family: inherit;
}

.site-nav__dropdown-toggle i {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.site-nav__dropdown.open .site-nav__dropdown-toggle i {
    transform: rotate(180deg);
}

.site-nav__dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    min-width: 180px;
    padding: 4px 0;
    z-index: 910;
}

.site-nav__dropdown.open .site-nav__dropdown-menu {
    display: block;
}

.site-nav__dropdown-menu a {
    display: block;
    color: var(--nav-text);
    text-decoration: none;
    padding: 8px 16px;
    font-size: 13px;
    transition: background 0.15s ease;
}

.site-nav__dropdown-menu a:hover {
    background: var(--nav-hover);
}

/* Mobile hamburger */
.site-nav__toggle {
    display: none;
    background: none;
    border: none;
    color: var(--nav-text);
    font-size: 22px;
    cursor: pointer;
    padding: 4px 8px;
    margin-left: auto;
    border-radius: 4px;
    transition: background 0.15s ease;
}

.site-nav__toggle:hover {
    background: var(--nav-hover);
}

/* Language picker in nav */
.site-nav__lang {
    position: relative;
    margin-left: auto;
    flex-shrink: 0;
}

.site-nav__lang-btn {
    background: none;
    border: none;
    color: var(--nav-text);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: background 0.15s ease;
    font-family: inherit;
}

.site-nav__lang-btn:hover {
    background: var(--nav-hover);
}

.site-nav__lang-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    min-width: 170px;
    padding: 4px 0;
    z-index: 920;
}

.site-nav__lang-menu.show {
    display: block;
}

.site-nav__lang-menu button {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    background: none;
    border: none;
    color: var(--nav-text);
    padding: 8px 14px;
    font-size: 13px;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s ease;
    font-family: inherit;
}

.site-nav__lang-menu button:hover {
    background: var(--nav-hover);
}

.site-nav__lang-menu .language-item-check {
    margin-left: auto;
    visibility: hidden;
    font-size: 14px;
}

/* Mobile styles */
@media (max-width: 768px) {
    .site-nav__toggle {
        display: flex;
        align-items: center;
    }

    .site-nav__links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: stretch;
        padding: 8px;
        gap: 2px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        border-radius: 0 0 8px 8px;
        z-index: 910;
    }

    .site-nav__links.open {
        display: flex;
    }

    .site-nav__links > a,
    .site-nav__dropdown-toggle {
        padding: 10px 12px;
        font-size: 14px;
        height: auto;
        border-radius: 6px;
    }

    /* Show dropdown items inline on mobile */
    .site-nav__dropdown {
        flex-direction: column;
        height: auto;
    }

    .site-nav__dropdown-toggle {
        width: 100%;
        justify-content: space-between;
    }

    .site-nav__dropdown-menu {
        position: static;
        box-shadow: none;
        border-radius: 0;
        padding: 0 0 0 12px;
    }

    .site-nav__dropdown.open .site-nav__dropdown-menu {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .site-nav__dropdown-menu a {
        padding: 8px 12px;
        border-radius: 6px;
    }
}

/* ---- Site Header Banner ---- */

.site-header {
    background: var(--header-gradient, linear-gradient(135deg, #E65100 0%, #FF8F00 100%));
    color: white;
    padding: calc(var(--nav-height) + 10px) 20px 15px;
    text-align: center;
    box-shadow: 0 2px 10px var(--shadow, rgba(0, 0, 0, 0.1));
    position: relative;
    overflow: hidden;
    margin-top: calc(-1 * var(--nav-height));
}

.site-header svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.site-header__title {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    margin: 0;
}

@media (max-width: 480px) {
    .site-header {
        padding: 12px 15px;
    }

    .site-header__title {
        font-size: 12px;
    }
}

/* ---- Site Footer ---- */

.site-footer {
    margin-top: 3rem;
    padding: 1.5rem 0;
    border-top: 2px solid var(--footer-border);
    text-align: center;
    color: var(--footer-text);
    font-size: 14px;
}

.site-footer p {
    margin-bottom: 0.75rem;
}

.site-footer strong {
    color: var(--footer-link);
}

.site-footer .footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.5rem;
}

.site-footer .footer-links a {
    color: var(--footer-link);
    text-decoration: none;
    font-size: 13px;
}

.site-footer .footer-links a:hover {
    color: var(--footer-link-hover);
    text-decoration: underline;
}

.site-footer .kofi-link {
    color: #ff5e5b !important;
}

.site-footer .kofi-link:hover {
    color: #ff3b38 !important;
}