/* Variable-Aliase für Stufen-Seiten (Mapping auf preview-style.css Tokens) */
:root {
    --background-light:     var(--bg-light,        #FFFFFF);
    --background-secondary: var(--bg-neutral,       #F8F9FA);
    --hover-light:          var(--bg-neutral,       #F8F9FA);
    --selected-color:       #EEF3F8;
    --text-dark:            var(--text-primary,     #212529);
}

/* General Layout & Typography for Stufen pages */
.section-content {
    padding: 2rem 1rem;
    max-width: 1180px;
    margin: 0 auto;
}

.section-content h2 {
    text-align: center;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.section-content p {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    border-radius: 0.5rem; /* Rounded corners */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.details-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--background-light);
    color: var(--text-primary);
}

.details-table thead th {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap; /* Prevent wrapping in header */
}

.details-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.details-table tbody tr:hover:not(.details-content-row) {
    background-color: var(--hover-light);
}

.details-row {
    cursor: pointer;
}

.details-row.active {
    background-color: var(--selected-color);
}

.details-row td {
    padding: 1rem;
    vertical-align: top;
}

/* Accordion Icon */
.accordion-icon {
    transition: transform 0.3s ease;
}
.details-row.active .accordion-icon {
    transform: rotate(180deg);
}

/* Details Content Row */
.details-content-row {
    display: none;
    background-color: var(--background-secondary);
}
.details-content-row.active {
    display: table-row; /* Display as a table row for full width */
}

/* ── Mobile: Content-Rows zwingend schliessen (!important schlägt inline-styles von main.js) */
@media (max-width: 768px) {
    .details-content-row           { display: none !important; }
    .details-content-row.mob-open  { display: table-row !important; }
}

.details-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    color: var(--text-dark);
}

.module-description h4,
.module-details-grid h4 {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.module-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .module-details-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ── Mobile: Tabellen-Padding verkleinern ── */
@media (max-width: 640px) {
    .details-row td { padding: 0.75rem 0.6rem; font-size: 0.88rem; }
    .details-table thead th { padding: 0.75rem 0.6rem; font-size: 0.82rem; }
    .details-content { padding: 1rem; }
    .section-content { padding: 1.5rem 0.75rem; }
}

/* ── Video iframe: responsive Höhe ── */
.video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.video-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; }