/**
 * HAI – einheitliche Navigation (Desktop-Sidebar + Mobile-Offcanvas)
 * Verwendung: templates/layout.php, public/ai-news/*, public/home.php
 */
:root {
    --hai-nav-dark: #303037;
    --hai-nav-accent: #4242B7;
    --hai-nav-fg-muted: #b0b0b0;
    --hai-nav-fg: #f6f6f8;
}

/* Desktop-Sidebar */
.hai-nav-sidebar {
    background-color: var(--hai-nav-dark);
    color: #fff;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 20px;
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    z-index: 2200;
    box-shadow: 10px 0 28px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: transform 0.25s ease;
}

.hai-nav-sidebar a {
    color: var(--hai-nav-fg-muted);
    text-decoration: none;
    display: block;
    padding: 10px 0;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.hai-nav-sidebar a:hover {
    color: var(--hai-nav-fg);
    background-color: rgba(74, 74, 140, 0.1);
}

.hai-nav-sidebar a.active,
.hai-nav-sidebar nav a.active {
    color: var(--hai-nav-fg) !important;
    font-weight: 700 !important;
    border-left: 3px solid var(--hai-nav-accent) !important;
    padding-left: 17px !important;
    margin-left: 0;
    background-color: rgba(66, 66, 183, 0.15) !important;
}

.hai-nav-sidebar .sub-menu {
    margin-left: 15px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 10px;
}

.hai-nav-sidebar .sub-menu a {
    font-size: 0.9rem;
    padding: 6px 0;
}

/* Mobile Hamburger */
.hai-nav-toggle {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 4000;
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: var(--hai-nav-dark);
    color: #fff;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Mobile Offcanvas – gleiche aktive Zustände wie Sidebar */
.offcanvas.hai-nav-offcanvas {
    background-color: var(--hai-nav-dark);
    color: #fff;
    width: min(84vw, 320px) !important;
}

.offcanvas.hai-nav-offcanvas .offcanvas-header {
    border-bottom-color: rgba(255, 255, 255, 0.12) !important;
}

.offcanvas.hai-nav-offcanvas .offcanvas-title {
    color: #fff;
}

.offcanvas.hai-nav-offcanvas a {
    color: var(--hai-nav-fg-muted);
    text-decoration: none;
    display: block;
    padding: 10px 0;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.offcanvas.hai-nav-offcanvas a:hover {
    color: var(--hai-nav-fg);
}

.offcanvas.hai-nav-offcanvas a.active,
.offcanvas.hai-nav-offcanvas nav a.active {
    color: var(--hai-nav-fg) !important;
    font-weight: 700 !important;
    border-left: 3px solid var(--hai-nav-accent) !important;
    padding-left: 17px !important;
    background-color: rgba(66, 66, 183, 0.15) !important;
}

.offcanvas.hai-nav-offcanvas .sub-menu {
    margin-left: 15px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 10px;
}

.offcanvas.hai-nav-offcanvas .sub-menu a {
    font-size: 0.9rem;
    padding: 6px 0;
}

/* templates/layout.php: Hauptspalte neben fester Sidebar */
.container-fluid.layout-shell .main-content {
    padding: 20px;
    margin-left: 250px;
}

.container-fluid.layout-shell .top-menu {
    background-color: var(--hai-nav-fg);
    padding: 15px 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

@media (max-width: 991.98px) {
    .container-fluid.layout-shell .main-content.hai-nav-layout-main {
        margin-left: 0 !important;
        padding-top: 64px;
    }
    .container-fluid.layout-shell .top-menu.hai-nav-layout-topbar {
        padding-left: 56px;
    }
}

/* AI News & Co. (.container-fluid ohne layout-shell) */
.main-content.hai-nav-page-main {
    margin-left: 250px;
    padding: 20px;
}

.main-content.hai-nav-page-main .top-menu.hai-nav-page-top,
.main-content.hai-nav-page-main .topbar.hai-nav-page-top {
    background-color: var(--hai-nav-fg);
    padding: 15px 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

@media (max-width: 991.98px) {
    .main-content.hai-nav-page-main {
        margin-left: 0 !important;
        padding-top: 64px;
    }
    .main-content.hai-nav-page-main .top-menu.hai-nav-page-top,
    .main-content.hai-nav-page-main .topbar.hai-nav-page-top {
        padding-left: 56px;
    }
}