.app-page {
    --bg: #050d1c;
    --text: #e8f0ff;
    --muted: #9ca3ab;
    --accent: #2ecaff;
    --card: rgba(10, 22, 40, 0.9);
    max-width: 720px;
    margin: 0 auto;
    padding: 1rem 1rem 3rem;
    color: var(--text);
}
.app-page .wrap { max-width: 720px; margin: 0 auto; }
.app-page h1 { font-size: 1.6rem; margin-bottom: 0.35rem; }
.app-page .sub { color: var(--muted); font-size: 0.85rem; margin-bottom: 1.5rem; }
.app-page .card {
    background: var(--card);
    border: 1px solid rgba(46, 202, 255, 0.2);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}
.app-page label { display: block; font-size: 0.75rem; color: var(--muted); margin-bottom: 0.35rem; }
.app-page input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    border: 1px solid rgba(46, 202, 255, .25);
    background: rgba(0, 0, 0, .25);
    color: var(--text);
    margin-bottom: 0.85rem;
}
.app-page .btn {
    display: inline-block;
    padding: 0.65rem 1.1rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    text-decoration: none;
}
.app-page .btn--primary { background: linear-gradient(135deg, #fff, var(--accent)); color: #051018; }
.app-page .btn--ghost { background: transparent; border: 1px solid rgba(46, 202, 255, .35); color: var(--accent); }
.app-page .row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }
.app-page .error { color: #ff8a8a; font-size: 0.8rem; min-height: 1.2em; margin-bottom: 0.5rem; }
.app-page .course-list { list-style: none; display: grid; gap: 0.75rem; }
.app-page .course-list li {
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: rgba(46, 202, 255, .06);
    border: 1px solid rgba(46, 202, 255, .15);
}
.app-page .top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.app-page a { color: var(--accent); }
.app-page .hidden { display: none !important; }
.app-page .btn {
    height: 2.5rem;
    min-height: 2.5rem;
    display: inline-flex;
    align-items: center;
}
.app-page :is(a,button):focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
    .app-page *,
    .app-page *::before,
    .app-page *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}