:root {
    --navius-deep: #073f4a;
    --navius-teal: #0a5a66;
    --navius-blue: #17324d;
    --navius-sky: #2f7aa1;
    --navius-orange: #d18a45;
    --page-bg: #f3f5f7;
    --panel-bg: #ffffff;
    --text: #101820;
    --muted: #5d6b76;
    --border: #d9e1e8;
    --shadow: 0 1px 2px rgba(16, 24, 32, 0.05);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--page-bg); font-size: 16px; }
a { color: #006fbf; text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }

.login-body { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(140deg, #eef6fb 0%, #f8fbff 54%, #f4efe7 100%); }
.login-shell { width: min(1040px, 100%); min-height: 620px; display: grid; grid-template-columns: minmax(320px, 430px) 1fr; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; box-shadow: 0 24px 70px rgba(18, 45, 74, 0.15); }
.login-panel { padding: 56px 44px; display: flex; flex-direction: column; justify-content: center; }
.login-logo { width: 150px; margin-bottom: 32px; }
.login-panel h1 { margin: 0 0 10px; font-size: 34px; line-height: 1.1; color: var(--navius-blue); letter-spacing: 0; }
.login-panel p { color: var(--muted); line-height: 1.55; }
.login-form { display: grid; gap: 10px; margin-top: 24px; }
.login-form label { font-weight: 700; font-size: 14px; color: #2a4c69; }
.login-form input { width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 13px 14px; font: inherit; color: var(--text); background: #fff; }
.login-form button { border: 0; border-radius: 8px; min-height: 46px; padding: 0 16px; font-weight: 800; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 9px; background: var(--navius-orange); color: #fff; margin-top: 10px; }
.message { min-height: 20px; color: #b42318; font-weight: 650; }
.login-visual { background: linear-gradient(160deg, rgba(7,63,74,.94), rgba(47,122,161,.82)), url('/fotos_website/software-overview.png'); background-size: cover; background-position: center; display: flex; align-items: flex-end; padding: 42px; }
.visual-card { color: #fff; font-size: 24px; line-height: 1.25; font-weight: 800; max-width: 440px; display: grid; gap: 18px; }
.visual-card i { font-size: 44px; color: #ffd7a6; }

.academy-body { background: var(--page-bg); border-top: 3px solid var(--navius-deep); }
.top-header { background: #fff; border-bottom: 1px solid #edf1f5; }
.top-inner { width: min(1170px, calc(100% - 34px)); height: 90px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 18px; color: var(--navius-deep); font-weight: 800; font-size: 24px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand img { width: 132px; height: auto; display: block; }
.brand span { padding-left: 18px; border-left: 1px dotted #b7c2cc; }
.top-actions { display: flex; align-items: center; gap: 14px; color: #27313a; }
.icon-btn { width: 42px; height: 42px; border: 0; background: transparent; color: #3d464f; display: inline-grid; place-items: center; cursor: pointer; font-size: 25px; position: relative; border-radius: 6px; }
.icon-btn:hover { background: #f1f5f8; }
.notification-dot::after { content: ''; position: absolute; width: 9px; height: 9px; border-radius: 50%; right: 8px; top: 7px; background: var(--navius-orange); }
.avatar { width: 42px; height: 42px; border-radius: 6px; background: #596575; color: #fff; display: grid; place-items: center; font-weight: 800; }
.user-name { font-size: 14px; white-space: nowrap; }
.main-nav { background: var(--navius-deep); min-height: 62px; }
.nav-inner { width: min(1170px, calc(100% - 34px)); margin: 0 auto; display: flex; align-items: center; gap: 28px; min-height: 62px; overflow-x: auto; }
.nav-inner a { color: #fff; font-size: 20px; font-weight: 700; white-space: nowrap; text-decoration: none; }
.nav-inner a.active, .nav-inner a:hover { text-decoration: underline; text-underline-offset: 8px; }

.brightspace-page { width: min(1170px, 100%); margin: 0 auto; padding-bottom: 60px; }
.hero-banner { height: 202px; display: flex; align-items: flex-end; padding: 28px; color: #fff; background-size: cover; background-position: center; position: relative; overflow: hidden; }
.hero-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.45), rgba(0,0,0,.06)); }
.hero-banner > div { position: relative; }
.hero-banner h1 { margin: 0; font-size: 40px; line-height: 1.08; font-weight: 400; letter-spacing: 0; }
.hero-home { background-image: linear-gradient(90deg, rgba(7,63,74,.55), rgba(7,63,74,.06)), url('/fotos_website/achtergrond-landingspagina.png'); }
.hero-course { background-image: linear-gradient(90deg, rgba(7,63,74,.45), rgba(7,63,74,.05)), url('/fotos_website/software-overview.png'); }
.content-panel { background: var(--panel-bg); border-radius: 8px; box-shadow: var(--shadow); border: 1px solid #edf0f3; padding: 20px; }
.panel-title-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.panel-title-row h2 { margin: 0; font-size: 16px; font-weight: 800; }
.collapse-btn { border: 0; background: transparent; color: #3f4a52; font-size: 17px; cursor: pointer; }
.text-link { font-size: 14px; font-weight: 700; }
.courses-panel { width: min(762px, calc(100% - 34px)); margin-left: 0; }
.course-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.course-card, .chapter-card { display: block; min-height: 290px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); overflow: hidden; text-decoration: none; }
.course-card:hover, .chapter-card:hover { text-decoration: none; border-color: #b4c6d6; box-shadow: 0 8px 20px rgba(16, 24, 32, .08); }
.course-image, .chapter-image { height: 104px; background-size: cover; background-position: center; position: relative; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 38px; }
.course-image::before, .chapter-image::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,63,74,.28), rgba(7,63,74,.08)); }
.course-image i { position: relative; text-shadow: 0 2px 10px rgba(0,0,0,.28); }
.image-1 { background-image: linear-gradient(135deg, rgba(47,122,161,.45), rgba(7,63,74,.22)), url('/fotos_website/software-overview.png'); }
.image-2 { background-image: linear-gradient(135deg, rgba(209,138,69,.42), rgba(7,63,74,.25)), url('/fotos_website/schermfoto1.png'); }
.image-3 { background-image: linear-gradient(135deg, rgba(7,63,74,.55), rgba(47,122,161,.22)), url('/fotos_website/schermfoto2.png'); }
.image-4 { background-image: linear-gradient(135deg, rgba(47,122,161,.42), rgba(209,138,69,.18)), url('/fotos_website/foto-inlog-pagina.png'); }
.course-card-body, .chapter-card-body { padding: 18px 15px; }
.course-card h3, .chapter-card h3 { margin: 0 0 8px; font-size: 21px; line-height: 1.28; font-weight: 400; color: #111; }
.course-card p { margin: 0 0 4px; color: #27313a; font-size: 14px; word-break: break-word; }
.mini-progress { height: 8px; border-radius: 999px; background: #e4eaf0; overflow: hidden; margin: 18px 0 7px; }
.mini-progress span { height: 100%; display: block; border-radius: inherit; background: #0077c8; }
.progress-copy { color: #1f2a33; font-size: 14px; line-height: 1.2; }
.empty-state { padding: 22px; border: 1px dashed var(--border); border-radius: 6px; color: var(--muted); background: #fbfcfd; }

.course-layout { display: block; width: min(100%, 980px); margin: 0 auto; }
.visual-index-panel { min-height: 320px; }
.chapter-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px 20px; }
.chapter-card { min-height: 320px; }
.chapter-card h3 { color: #006fbf; }
.chapter-file-icon { display: block; margin-top: 50px; color: #46505a; font-size: 20px; }

@media (max-width: 900px) {
    .top-inner { height: auto; min-height: 78px; flex-wrap: wrap; padding: 14px 0; }
    .top-actions { gap: 6px; }
    .user-name { display: none; }
    .nav-inner { gap: 18px; }
    .nav-inner a { font-size: 16px; }
    .hero-banner { height: 170px; }
    .hero-banner h1 { font-size: 32px; }
    .courses-panel { width: calc(100% - 28px); margin: 0 14px; }
    .course-card-grid, .chapter-card-grid { grid-template-columns: 1fr; }
    .course-layout { gap: 20px; margin: 0 14px; }
}
@media (max-width: 640px) {
    .brand img { width: 108px; }
    .brand span { font-size: 18px; padding-left: 10px; }
    .icon-btn { width: 34px; height: 34px; font-size: 19px; }
    .avatar { width: 34px; height: 34px; font-size: 13px; }
    .hero-banner { margin: 0; padding: 20px; }
    .hero-banner h1 { font-size: 28px; }
    .login-shell { grid-template-columns: 1fr; min-height: 0; }
    .login-visual { display: none; }
    .login-panel { padding: 36px 24px; }
}




.slide-body {
    background: #eef3f6;
}
.slide-page {
    width: min(1120px, calc(100% - 34px));
    margin: 0 auto;
    padding: 34px 0 58px;
}
.slide-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
    color: var(--muted);
    font-weight: 700;
}
.slide-shell {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(16, 24, 32, 0.12);
    overflow: hidden;
}
.slide-progress {
    height: 8px;
    background: #dfe9ef;
}
.slide-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--navius-orange);
    transition: width 0.22s ease;
}
.slide-card {
    min-height: 520px;
    padding: 28px 64px 46px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.slide-meta {
    color: var(--navius-sky);
    font-size: 15px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
}
.slide-card h1 {
    margin: 0 0 26px;
    color: var(--navius-blue);
    font-size: 42px;
    line-height: 1.12;
    font-weight: 700;
}
.slide-content {
    color: #273846;
    font-size: 20px;
    line-height: 1.7;
    max-width: 860px;
}
.slide-content p,
.slide-content ul,
.slide-content ol {
    margin-top: 0;
}
.slide-video {
    margin-bottom: 22px;
}
.slide-video iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: 8px;
    background: #101820;
}
.slide-video a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
    padding: 0 15px;
    border-radius: 6px;
    background: #edf6fb;
    color: var(--navius-blue);
    font-weight: 800;
}
.slide-image {
    margin: 0 0 24px;
}
.slide-image-thumb {
    width: min(240px, 100%);
    aspect-ratio: 4 / 3;
    border: 1px solid #d8e3ec;
    border-radius: 8px;
    background: #f3f7fa;
    padding: 0;
    overflow: hidden;
    cursor: zoom-in;
    position: relative;
    box-shadow: 0 10px 24px rgba(16, 24, 32, 0.1);
}
.slide-image-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.slide-image-thumb span {
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 34px;
    height: 34px;
    border-radius: 6px;
    display: grid;
    place-items: center;
    background: rgba(7, 63, 74, 0.86);
    color: #fff;
}
.slide-image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(7, 20, 31, 0.84);
}
.slide-image-lightbox.is-open {
    display: flex;
}
.slide-image-lightbox img {
    max-width: min(1100px, 94vw);
    max-height: 88vh;
    border-radius: 8px;
    background: #fff;
    object-fit: contain;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}
.slide-image-lightbox-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 8px;
    background: rgba(7, 20, 31, 0.88);
    color: #fff;
    cursor: pointer;
    display: grid;
    place-items: center;
}
.slide-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 18px 22px;
    border-top: 1px solid var(--border);
    background: #f8fbfd;
}
.slide-btn {
    min-height: 44px;
    border: 0;
    border-radius: 6px;
    padding: 0 18px;
    cursor: pointer;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
}
.slide-btn[hidden] {
    display: none;
}
.slide-btn.secondary {
    background: #e8eef3;
    color: var(--navius-blue);
}
.slide-btn.primary {
    background: var(--navius-sky);
    color: #fff;
}
.slide-btn.finish {
    background: #147a4b;
    color: #fff;
}
.slide-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
@media (max-width: 760px) {
    .slide-card {
        min-height: 430px;
        padding: 34px 24px;
    }
    .slide-card h1 {
        font-size: 30px;
    }
    .slide-content {
        font-size: 17px;
    }
    .slide-image-thumb {
        width: 100%;
        max-width: 260px;
    }
    .slide-actions {
        flex-direction: column;
    }
    .slide-btn {
        width: 100%;
    }
}