/* Zugversuch: gemeinsame Einstiege auf Laborkarte, Lernseite und Prüfstand.
   Begrenzte Navigationskomponente; STYLE_GUIDE.md, 2026-10-19. */
[data-tensile-header],
[data-tensile-header] > div {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tensile-path {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.tensile-path .tensile-path__entry {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 0;
    min-height: 88px;
    padding: var(--spacing-md);
    border: var(--border-thin) solid var(--surface-border);
    border-radius: var(--radius-xl);
    background: var(--neutrals-0);
    color: var(--textcolor-fullcontrast);
    text-decoration: none;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.tensile-path .tensile-path__entry:hover,
.tensile-path .tensile-path__entry[aria-current="page"] {
    background: var(--primary-tint);
    border-color: var(--primary-color);
    text-decoration: none;
}

.tensile-path .tensile-path__entry:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
}

.tensile-path .tensile-path__number {
    display: grid;
    place-items: center;
    flex: 0 0 28px;
    height: 28px;
    border-radius: var(--radius-pill);
    background: var(--primary-tint);
    color: var(--primary-color);
    font-size: var(--text-xs);
    font-weight: 700;
}

.tensile-path .tensile-path__entry[aria-current="page"] .tensile-path__number {
    background: var(--primary-color);
    color: var(--neutrals-0);
}

.tensile-path .tensile-path__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 0;
}

.tensile-path .tensile-path__label {
    color: var(--textcolor-fullcontrast);
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1.35;
}

.tensile-path .tensile-path__description {
    color: var(--textcolor-50contrast);
    font-size: var(--text-xs);
    line-height: 1.4;
}

.tensile-path .tensile-path__arrow {
    flex: 0 0 16px;
    color: var(--primary-color);
}

@media (max-width: 767px) {
    .tensile-path {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--spacing-sm);
    }

    .tensile-path .tensile-path__entry {
        min-height: 76px;
    }
}

/* Source tables remain available in the expandable reading sections. */
.tensile-preparation__section > :last-child {
    margin-bottom: 0;
}

.tensile-preparation__section li {
    margin-bottom: var(--spacing-sm);
}

.tensile-preparation__table-wrap {
    width: 100%;
    overflow-x: auto;
}

.tensile-preparation__table-wrap table {
    min-width: 40rem;
}

.tensile-preparation table {
    width: 100%;
    border-collapse: collapse;
}

.tensile-preparation th,
.tensile-preparation td {
    padding: var(--spacing-sm);
    text-align: left;
    vertical-align: top;
    border-bottom: var(--border-thin) solid var(--surface-border-light);
}

.tensile-preparation th {
    background: var(--surface-hover);
}

/* Guided reading: one continuous text, with the active experiment at its task. */
.tensile-preparation {
    display: block;
    max-width: 72rem;
    margin-inline: auto;
    padding: var(--spacing-xl) var(--spacing-md);
    line-height: 1.7;
    background: var(--neutrals-0);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-md);
}

.tensile-preparation > p,
.tensile-preparation__intro,
.tensile-preparation__reading,
.tensile-preparation__finish,
.tensile-preparation__outlook,
.tensile-guide__choice {
    max-width: 52rem;
    margin-inline: auto;
}

.tensile-preparation__intro h2 {
    margin-bottom: var(--spacing-md);
}

.tensile-preparation__eyebrow {
    color: var(--primary-color);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.tensile-preparation__text-link {
    color: var(--primary-color);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.tensile-preparation__section {
    padding: var(--spacing-md) 0;
    border: 0;
    border-radius: 0;
    background: none;
}

.tensile-preparation__reading {
    padding-block: var(--spacing-md);
    border-bottom: var(--border-thin) solid var(--surface-border);
}

.tensile-preparation__reading summary {
    cursor: pointer;
    color: var(--primary-color);
    font-weight: 600;
}

.tensile-guide__choice,
.tensile-preparation__finish,
.tensile-preparation__outlook {
    margin-block: var(--spacing-2xl);
}

.tensile-guide__materials {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
}

.tensile-guide__materials label {
    display: grid;
    gap: var(--spacing-xs);
    min-width: 0;
    font-weight: 600;
}

.tensile-guide__progress,
.tensile-guide__setup {
    color: var(--primary-color);
    font-size: var(--text-sm);
}

.tensile-guide__task {
    padding-block: var(--spacing-2xl);
    border-top: var(--border-thin) solid var(--surface-border);
    scroll-margin-top: 6rem;
}

.tensile-guide__task > h3,
.tensile-guide__task > p,
.tensile-guide__actions,
.tensile-guide__reflection {
    max-width: 52rem;
    margin-inline: auto;
}

.tensile-guide__actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-block: var(--spacing-lg);
}

.tensile-guide__station {
    padding: var(--spacing-lg);
    margin-block: var(--spacing-lg);
    border: var(--border-thin) solid var(--surface-border);
    border-radius: var(--radius-lg);
    background: var(--surface-bg);
    scroll-margin-top: 6rem;
}

.tensile-guide__station .tensile-mode-tabs,
.tensile-guide__station #tensileSaveDiagramBtn {
    display: none;
}

.tensile-guide__station .tensile-versuch-grid {
    margin-top: var(--spacing-lg);
}

.tensile-guide__result,
.tensile-guide__comparison {
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-lg);
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-lg);
    background: var(--neutrals-0);
    scroll-margin-top: 6rem;
}

.tensile-guide__plot {
    position: relative;
    height: 20rem;
    min-width: 0;
}

.tensile-guide__result figcaption,
.tensile-guide__comparison figcaption {
    color: var(--primary-color);
    font-weight: 600;
}

.tensile-guide__values {
    margin-bottom: 0;
    font-size: var(--text-sm);
}

.tensile-guide__reflection {
    margin-block: var(--spacing-lg);
}

.tensile-guide__reflection label {
    display: block;
    font-weight: 600;
    font-size: var(--text-sm);
}

.tensile-guide__reflection textarea {
    width: 100%;
    resize: vertical;
    padding: var(--spacing-sm);
    border: var(--border-thin) solid var(--surface-border);
    border-radius: var(--radius-md);
    background: var(--neutrals-0);
    color: var(--textcolor-fullcontrast);
    font: inherit;
}

@media (max-width: 767px) {
    .tensile-preparation {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .tensile-guide__materials {
        grid-template-columns: minmax(0, 1fr);
    }

    .tensile-guide__station,
    .tensile-guide__result,
    .tensile-guide__comparison {
        padding: var(--spacing-sm);
    }
}

.tensile-guide__station #tensileModePanelPreset > .fmu-card__hint {
    display: none;
}

@media (max-width: 767px) {
    .tensile-guide__station .tensile-versuch-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .tensile-guide__station .tensile-versuch-grid__sidebar {
        min-width: 0;
    }

    .tensile-guide__station .tensile-eval__row {
        flex-wrap: wrap;
    }

    .tensile-guide__station .tensile-eval__label {
        min-width: 0;
        white-space: normal;
    }
}

/* Required reading stays visible before the task and the embedded experiment. */
.tensile-preparation__theory,
.tensile-preparation__route,
.tensile-guide__theory,
.tensile-guide__assignment {
    max-width: 52rem;
    margin-inline: auto;
}

.tensile-preparation__route {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-sm);
    margin-block: var(--spacing-xl);
}

.tensile-preparation .tensile-preparation__route a {
    padding: var(--spacing-sm) var(--spacing-md);
    border: var(--border-thin) solid var(--surface-border);
    border-radius: var(--radius-md);
    background: var(--primary-tint);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.tensile-preparation__theory {
    padding-block: var(--spacing-xl);
    border-top: var(--border-thin) solid var(--surface-border);
    scroll-margin-top: 6rem;
}

.tensile-guide__choice {
    padding-top: var(--spacing-xl);
    border-top: var(--border-thin) solid var(--surface-border);
    scroll-margin-top: 6rem;
}

.tensile-guide__theory {
    padding-block: var(--spacing-md);
}

.tensile-guide__theory h4 {
    margin-bottom: var(--spacing-sm);
}

.tensile-guide__assignment {
    padding: var(--spacing-lg);
    border-left: var(--border-thick) solid var(--primary-color);
    border-radius: var(--radius-md);
    background: var(--primary-tint);
}

.tensile-guide__assignment > :last-child {
    margin-bottom: 0;
}

.tensile-preparation .tensile-guide__label {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    font-size: var(--text-sm);
    font-weight: 700;
}

@media (max-width: 767px) {
    .tensile-preparation__route {
        grid-template-columns: minmax(0, 1fr);
    }

    .tensile-guide__assignment {
        padding: var(--spacing-md);
    }
}

.tensile-preparation__theory > h3,
.tensile-guide__task > h3 {
    font-size: var(--text-xl);
    font-weight: 700;
}

.tensile-preparation__section h4,
.tensile-guide__theory h4 {
    font-size: var(--text-lg);
    font-weight: 600;
}

.tensile-guide__result button[hidden] {
    display: none;
}

/* Filled link buttons must retain white text above the global body link rule. */
.tensile-preparation a.fmu-btn.fmu-btn--primary,
.tensile-preparation a.fmu-btn.fmu-btn--primary span {
    color: var(--neutrals-0);
}

.tensile-guide__choice [hidden] {
    display: none;
}

#tensileElearning .tnsel-calculation-input {
    padding: var(--spacing-sm);
    border: var(--border-base) solid var(--surface-border);
    border-radius: var(--radius-md);
    width: 10rem;
    max-width: 100%;
    color: var(--textcolor-fullcontrast);
    background: var(--surface-bg);
    font: inherit;
}

#tensileElearning [data-tnsel-ex] {
    scroll-margin-top: 6rem;
}

#tensileElearning [data-tnsel-ex="daten_name"] code {
    white-space: normal;
    overflow-wrap: anywhere;
    color: inherit;
}

#tensileElearning [data-tnsel-ex="daten_name"] .quiz-option.correct {
    border-color: var(--success-600);
    background: var(--success-50);
    color: var(--success-800);
    opacity: 1;
}

#tensileElearning [data-tnsel-ex="daten_name"] .quiz-feedback.success {
    color: var(--success-800);
}

#tensileElearning .tnsel-calculation--correct {
    border-color: var(--success-600);
    background: var(--success-50);
}

#tensileElearning .tnsel-calculation--correct .tnsel-calculation-input {
    border-color: var(--success-600);
    background: var(--success-50);
}

#tensileElearning .tnsel-calculation--correct .quiz-feedback {
    color: var(--success-800);
}