/* /app/static/significantstories_com/css/nav.css */
/* Site-wide navigation drawer and header styles */

/* --- CSS Variables for Navigation --- */
:root {
    --nav-drawer-width: 280px;
    --nav-header-height: 60px;
    --nav-transition-speed: 300ms;
    --nav-transition-speed-slow: 500ms;
    --nav-overlay-color: rgba(0, 0, 0, 0.5);
}

/* --- Slow Close Animation (for larger devices) --- */
.nav-drawer.closing-slow {
    transition: transform var(--nav-transition-speed-slow) ease-out !important;
}

.nav-overlay.fade-slow {
    transition: opacity var(--nav-transition-speed-slow) ease-out !important;
}

/* --- Site Header Bar (non-article pages) --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-header-height);
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
    z-index: 200;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
}

.site-header-content {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Hamburger Menu Button --- */
.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-right: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.menu-toggle:hover {
    background-color: #f0f3f6;
}

.menu-toggle-bar {
    width: 24px;
    height: 2px;
    background-color: #34495e;
    margin: 3px 0;
    border-radius: 2px;
    transition: all var(--nav-transition-speed) ease;
}

/* Hamburger to X animation */
.menu-toggle.active .menu-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .menu-toggle-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Site Logo/Title in Header --- */
.site-header-title {
    font-family: var(--serif-font);
    font-size: 1.25rem;
    font-weight: 600;
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.2s ease;
    flex: 1;  /* Take remaining space, push user icon to right */
}

.site-header-title:hover {
    color: #3498db;
    text-decoration: none;
}

/* --- User Menu in Header --- */
.site-header-user {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: 0.5rem;
}

/* --- Navigation Drawer --- */
.nav-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--nav-drawer-width);
    height: 100vh;
    background-color: #ffffff;
    border-right: 1px solid var(--border-color);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.08);
    z-index: 300;
    transform: translateX(-100%);
    transition: transform var(--nav-transition-speed) ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.nav-drawer.open {
    transform: translateX(0);
}

/* --- Drawer Header --- */
.nav-drawer-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-drawer-logo {
    font-family: var(--serif-font);
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c3e50;
    text-decoration: none;
}

.nav-drawer-logo:hover {
    color: #3498db;
    text-decoration: none;
}

.nav-drawer-header-buttons {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-drawer-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.nav-drawer-close:hover {
    background-color: #f0f3f6;
}

.nav-drawer-close svg {
    width: 20px;
    height: 20px;
    stroke: #34495e;
}

/* --- Navigation Menu --- */
.nav-menu {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
    flex: 1;
}

.nav-menu-item {
    margin: 0;
}

.nav-menu-link {
    display: block;
    padding: 0.875rem 1.5rem;
    color: #34495e;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-menu-link:hover {
    background-color: #f8f9fa;
    color: #3498db;
    text-decoration: none;
    border-left-color: #3498db;
}

.nav-menu-link.active {
    background-color: #e8f4fc;
    color: #3498db;
    font-weight: 600;
    border-left-color: #3498db;
}

/* --- Submenu (for Resources) --- */
.nav-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: #fafbfc;
}

.nav-submenu .nav-menu-link {
    padding-left: 2.5rem;
    font-size: 0.95rem;
    font-weight: 400;
    color: #5a6a7a;
}

.nav-submenu .nav-menu-link:hover {
    color: #3498db;
    background-color: #f0f3f6;
}

.nav-submenu .nav-menu-link.active {
    color: #3498db;
    font-weight: 500;
    background-color: #e8f4fc;
}

/* --- Submenu Toggle --- */
.nav-menu-parent {
    display: flex;
    align-items: center;
}

.nav-menu-parent .nav-menu-link {
    flex: 1;
}

.nav-submenu-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.nav-submenu-toggle svg {
    width: 16px;
    height: 16px;
    stroke: #95a5a6;
    transition: transform 0.2s ease;
}

.nav-menu-item.expanded .nav-submenu-toggle svg {
    transform: rotate(180deg);
}

.nav-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nav-menu-item.expanded .nav-submenu {
    max-height: 200px;
}

/* --- Overlay --- */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--nav-overlay-color);
    z-index: 250;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--nav-transition-speed) ease, visibility var(--nav-transition-speed) ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --- Body offset when header is present --- */
body.has-site-header {
    padding-top: var(--nav-header-height);
    transition: margin-left var(--nav-transition-speed) ease;
}

/* --- Pin Toggle Button --- */
.nav-pin-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
    align-items: center;
    justify-content: center;
}

.nav-pin-toggle:hover {
    background-color: #f0f3f6;
}

.nav-pin-toggle svg {
    width: 18px;
    height: 18px;
    stroke: #95a5a6;
    transition: stroke 0.2s ease;
}

.nav-drawer.pinned .nav-pin-toggle svg {
    stroke: #3498db;
}

/* --- Pin functionality for desktop --- */
@media (min-width: 1200px) {
    .nav-pin-toggle {
        display: flex;
    }

    .nav-drawer.pinned {
        transform: translateX(0);
        box-shadow: none;
    }

    body.nav-pinned {
        margin-left: var(--nav-drawer-width);
    }

    body.nav-pinned .site-header {
        left: var(--nav-drawer-width);
    }
}

/* --- Responsive adjustments --- */
@media (max-width: 768px) {
    :root {
        --nav-drawer-width: 260px;
    }

    .site-header {
        padding: 0 1rem;
    }

    .nav-drawer-header {
        padding: 1rem;
    }

    .nav-menu-link {
        padding: 0.75rem 1rem;
    }

    .nav-submenu .nav-menu-link {
        padding-left: 2rem;
    }
}

/* --- Article page menu icon (smaller, integrated) --- */
.article-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    margin-right: 0.75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.article-menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.article-menu-toggle .menu-toggle-bar {
    width: 18px;
    height: 2px;
    margin: 2px 0;
}


/* --- Site Footer --- */
.site-footer {
    margin-top: 3rem;
    padding: 2rem 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border-color, #e0e0e0);
    background-color: #f8f9fa;
}

.site-footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.site-footer-copyright {
    font-size: 0.875rem;
    color: #5a6a7a;
}

.site-footer-copyright a {
    color: #34495e;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.site-footer-copyright a:hover {
    color: #3498db;
}

/* --- Footer Logo --- */
.site-footer-logo {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

.site-footer-logo .site-logo {
    width: 60px;
    height: auto;
}

.site-footer-logo .logo-star {
    fill: #d4a537;
    opacity: 0.4;
}

.site-footer-logo .logo-flourish {
    fill: #5a6a7a;
    opacity: 0.25;
}