.physics-revision-shell {
  width: min(1120px, calc(100% - 28px));
}

.physics-revision-hero {
  width: min(780px, 100%);
  margin: 20px auto 34px;
  text-align: center;
}

.physics-revision-hero h1 {
  font-size: clamp(2.45rem, 7vw, 5.4rem);
}

.physics-revision-hero > p:last-child {
  margin: 12px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.16rem);
}

.physics-revision-panels {
  width: min(100%, 1020px);
  margin: 0 auto;
}

.physics-revision-panel {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.physics-revision-panel[hidden] {
  display: none;
}

.physics-card-heading,
.physics-task-card,
.physics-info-card,
.physics-summary {
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-light);
}

.physics-card-heading,
.physics-task-card,
.physics-summary {
  padding: clamp(18px, 3vw, 28px);
}

.physics-task-card {
  min-width: 0;
}

.physics-card-heading h2,
.physics-task-card h3,
.physics-task-card h4,
.physics-summary h2,
.physics-summary h3 {
  margin: 0;
  color: #1e293b;
}

.physics-card-heading h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.physics-card-heading > p:last-child,
.physics-task-card > p,
.physics-task-card h3 + p {
  margin: 8px 0 0;
  color: var(--muted);
}

.physics-info-grid,
.physics-vector-grid-layout,
.physics-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.physics-info-card {
  padding: 18px;
}

.physics-info-card h3 {
  margin-bottom: 6px;
  color: var(--blue);
}

.physics-info-card p {
  margin: 0;
  color: #475569;
}

.physics-table-scroll {
  overflow-x: auto;
  margin: 16px 0;
}

.physics-input-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.physics-input-table caption {
  margin-bottom: 8px;
  color: #475569;
  font-weight: 800;
  text-align: left;
}

.physics-input-table th,
.physics-input-table td {
  border: 1px solid #cbd5e1;
  padding: 10px;
  text-align: left;
}

.physics-input-table thead th {
  color: #1e3a8a;
  background: #dbeafe;
}

.physics-input-table tbody th {
  background: #f8fafc;
}

.physics-input-table label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.physics-input-table input,
.physics-number-entry input,
.physics-choice-grid select,
.description-match-list select,
.other-match-row select {
  min-height: 42px;
  border: 2px solid #cbd5e1;
  border-radius: 8px;
  padding: 7px 9px;
  color: #1e293b;
  background: #ffffff;
  font: inherit;
}

.physics-input-table input {
  width: 110px;
}

.physics-input-table input.is-correct,
.physics-number-entry input.is-correct,
.physics-input-table select.is-correct {
  border-color: #059669;
  background: #ecfdf5;
}

.physics-input-table input.is-wrong,
.physics-number-entry input.is-wrong {
  border-color: #dc2626;
  background: #fef2f2;
}

.physics-primary-button {
  min-height: 44px;
  margin-top: 14px;
  border: 0;
  border-radius: 9px;
  padding: 9px 16px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.physics-primary-button:hover,
.physics-primary-button:focus-visible {
  filter: brightness(1.08);
}

.physics-feedback {
  margin-top: 14px;
  border-left: 5px solid #2563eb;
  border-radius: 9px;
  padding: 13px 15px;
  color: #1e3a8a;
  background: #eff6ff;
  font-weight: 700;
}

.physics-feedback.success {
  border-left-color: #059669;
  color: #065f46;
  background: #ecfdf5;
}

.physics-feedback.partial {
  border-left-color: #d97706;
  color: #78350f;
  background: #fffbeb;
}

.physics-feedback.error {
  border-left-color: #dc2626;
  color: #991b1b;
  background: #fef2f2;
}

.physics-help-stack {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.physics-help-stack details,
.physics-resolution,
.notebook-task {
  border: 1px solid #cbd5e1;
  border-radius: 9px;
  padding: 11px 13px;
  background: #f8fafc;
}

.physics-help-stack summary {
  color: #1e3a8a;
  font-weight: 800;
  cursor: pointer;
}

.physics-help-stack p,
.physics-resolution p,
.notebook-task p {
  margin: 8px 0 0;
  color: #475569;
}

.physics-choice-grid,
.physics-number-entry {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.physics-choice-grid label,
.physics-number-entry label {
  display: grid;
  gap: 7px;
  color: #334155;
  font-weight: 800;
}

.physics-choice-grid select {
  width: 100%;
}

.physics-number-entry {
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
}

.physics-number-entry input,
.physics-number-entry select {
  min-height: 44px;
  border: 2px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
}

.physics-number-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.physics-number-controls input,
.physics-number-controls select {
  width: 100%;
  min-width: 0;
}

.physics-vector-grid-layout .physics-task-card {
  min-width: 0;
}

.vector-grid-host {
  min-width: 0;
  margin-top: 14px;
  overflow-x: auto;
}

.vector-task .point-vector-grid {
  padding: 10px;
  box-shadow: none;
}

.vector-task .point-vector-grid svg {
  min-width: 0;
  min-height: 0;
}

.diagram-bank,
.description-match-list,
.other-match-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.diagram-bank {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.diagram-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  border: 1px solid #cbd5e1;
  border-radius: 11px;
  padding: 10px;
  background: #f8fafc;
}

.diagram-card h4 {
  color: #1e3a8a;
  font-size: 1.1rem;
}

.diagram-card svg,
.mini-position svg {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #dbe4f0;
  border-radius: 6px;
  background: #ffffff;
}

.chart-axis {
  stroke: #64748b;
  stroke-width: 1.5;
}

.chart-axis-arrow {
  fill: #64748b;
}

.chart-axis-label,
.chart-value-label {
  fill: #334155;
  font-weight: 800;
}

.chart-axis-label {
  font-size: 14px;
}

.chart-value-label {
  font-size: 13px;
}

.chart-plot {
  fill: none;
  stroke: #2563eb;
  stroke-width: 4;
}

.given-vt-plot {
  stroke: #7c3aed;
  stroke-width: 5;
}

.chart-section-label {
  fill: #334155;
  font-size: 15px;
  font-weight: 850;
}

.diagram-card label,
.other-match-row label {
  display: grid;
  gap: 5px;
  color: #334155;
  font-size: 0.86rem;
  font-weight: 800;
}

.diagram-card select,
.other-match-row select {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.diagram-card select.is-correct,
.other-match-row select.is-correct {
  border-color: #059669;
  background: #ecfdf5;
}

.diagram-card select.is-wrong,
.other-match-row select.is-wrong {
  border-color: #d97706;
  background: #fffbeb;
}

.direct-check-button {
  justify-self: start;
  margin-top: 0;
}

.large-chart {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  margin-top: 16px;
}

.large-chart svg {
  display: block;
  width: min(100%, 760px);
  min-width: 620px;
  height: auto;
  margin: 0 auto;
  border: 1px solid #dbe4f0;
  border-radius: 8px;
  background: #ffffff;
}

.physics-semantic-task,
.notebook-task,
.way-task {
  margin-top: 20px;
  border-top: 1px solid #e2e8f0;
  padding-top: 18px;
}

.physics-semantic-task label {
  display: block;
  margin-top: 12px;
  color: #334155;
  font-weight: 800;
}

.physics-semantic-task .privacy-note {
  margin: 10px 0 0;
  color: #64748b;
  font-size: 0.86rem;
}

.description-match-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.description-match-list label {
  min-height: 94px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 11px;
  background: #f8fafc;
}

.way-hint {
  margin-top: 12px;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 10px 14px;
  background: #eff6ff;
  color: #334155;
}

.way-hint p {
  margin: 0;
}

.way-hint ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.way-hint li + li {
  margin-top: 4px;
}

#other-diagram-bank {
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
}

.diagram-bank-wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  max-width: 900px;
}

.diagram-bank-wide h4 {
  grid-column: 1 / -1;
  text-align: center;
}

.mini-diagram {
  display: grid;
  justify-items: center;
  gap: 5px;
}

.other-match-row {
  display: grid;
  grid-template-columns: 210px repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 14px;
  min-width: 0;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 10px;
  background: #f8fafc;
}

.mini-position {
  display: grid;
  gap: 7px;
}

.mini-position h4 {
  color: #1e3a8a;
  font-size: 0.98rem;
}

.direct-match-control {
  display: grid;
  align-self: stretch;
  align-content: start;
  gap: 8px;
  min-width: 0;
}

.compact-feedback {
  margin-top: 0;
  padding: 10px 12px;
  font-size: 0.9rem;
}

.physics-multiple-choice {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.physics-quiz-question {
  margin: 0;
  min-width: 0;
  border: 1px solid #cbd5e1;
  border-radius: 11px;
  padding: 14px;
  background: #f8fafc;
}

.physics-quiz-question legend {
  padding: 0 4px;
  color: #1e3a8a;
  font-weight: 850;
}

.physics-quiz-question .quiz-options {
  display: grid;
  gap: 7px;
  margin-top: 8px;
}

.physics-quiz-question .quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  min-height: 44px;
  border: 1px solid #dbe4f0;
  border-radius: 8px;
  padding: 9px 10px;
  color: #475569;
  background: #ffffff;
}

.physics-quiz-question input[type="checkbox"] {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 1px;
}

.physics-quiz-question.is-correct {
  border-color: #059669;
}

.physics-quiz-question.is-wrong {
  border-color: #d97706;
}

.physics-quiz-question .quiz-item-feedback {
  margin: 10px 0 0;
}

.physics-summary {
  margin: 28px auto 0;
}

.physics-summary-grid {
  margin-top: 16px;
}

.physics-summary-grid article {
  border-left: 4px solid var(--blue);
  padding: 12px 14px;
  background: #f8fafc;
}

.physics-summary-grid p {
  margin: 6px 0 0;
  color: #475569;
}

.solution-download {
  margin-top: 26px;
  border: 1px solid #cbd5e1;
  border-left: 5px solid var(--blue);
  border-radius: 10px;
  padding: 20px 22px;
  background: #ffffff;
}

.solution-download h2 {
  margin: 0;
  color: #1e3a8a;
  font-size: 1.15rem;
}

.solution-reveal {
  margin-top: 13px;
}

.solution-reveal summary {
  width: fit-content;
  color: #1e3a8a;
  font-weight: 800;
  cursor: pointer;
}

.solution-reveal[open] summary {
  margin-bottom: 14px;
}

.solution-code-form {
  display: grid;
  gap: 9px;
  max-width: 520px;
}

.solution-code-form label {
  color: #1e293b;
  font-weight: 700;
}

.solution-code-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.solution-code-controls input {
  width: 170px;
  min-height: 44px;
  border: 2px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 10px;
  color: #1e293b;
  font: inherit;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.solution-code-controls .physics-primary-button {
  margin-top: 0;
}

.solution-code-message {
  min-height: 1.3em;
  margin: 0;
  color: #065f46;
  font-weight: 700;
}

.solution-code-message.error {
  color: #991b1b;
}

.download-button {
  display: inline-flex;
  width: fit-content;
  min-height: 44px;
  align-items: center;
  border-radius: 8px;
  padding: 10px 16px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.download-button:hover,
.download-button:focus-visible,
.solution-reveal summary:focus-visible,
.solution-code-controls input:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 3px;
}

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

/* Wiederverwendbare Reiter für Aufgabenkarten dieses Moduls. */
.physics-step-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0 0 22px;
  padding: 6px;
  border: 1px solid #cbd5e1;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-light);
}

.physics-step-tabs [role="tab"] {
  flex: 1 0 max-content;
  min-height: 44px;
  border: 0;
  border-radius: 9px;
  padding: 9px 16px;
  color: #475569;
  background: transparent;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.physics-step-tabs [role="tab"][aria-selected="true"] {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--violet));
}

.physics-step-tabs [role="tab"]:focus-visible,
.point-vector-grid svg:focus-visible,
.physics-semantic-task button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 3px;
}

.point-vector-grid:focus-within svg {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 3px;
}

/* Wiederverwendbare Klickpunkt-Aufgabe für Vektorresultierende. */
.point-vector-grid {
  display: grid;
  gap: 14px;
  padding: clamp(14px, 3vw, 22px);
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-light);
}

.point-vector-grid svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #ffffff;
  touch-action: manipulation;
}

.point-vector-grid .grid-line {
  stroke: #dbe4f0;
  stroke-width: 1;
}

.point-vector-grid .axis-line {
  stroke: #64748b;
  stroke-width: 1.6;
}

.point-vector-grid .given-vector {
  fill: none;
  stroke: #2563eb;
  stroke-width: 4;
}

.point-vector-grid .given-vector.secondary {
  stroke: #7c3aed;
}

.point-vector-grid .result-vector {
  fill: none;
  stroke: #059669;
  stroke-width: 5;
}

.point-vector-grid .vector-origin {
  fill: #111827;
}

.point-vector-grid .grid-point {
  fill: transparent;
  stroke: none;
  opacity: 0;
  cursor: pointer;
}

.point-vector-grid .grid-point:hover,
.point-vector-grid .grid-point:focus,
.point-vector-grid .grid-point.is-selected {
  fill: transparent;
  stroke: none;
  opacity: 0;
}

.point-vector-grid .vector-grid-status {
  margin: 0;
  color: #334155;
  font-weight: 700;
}

.point-vector-grid .vector-grid-actions {
  display: flex;
  justify-content: flex-end;
}

.point-vector-grid button {
  min-height: 44px;
  border: 1px solid #94a3b8;
  border-radius: 8px;
  padding: 8px 14px;
  color: #1e293b;
  background: #ffffff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.point-vector-grid button:disabled {
  opacity: 0.55;
  cursor: default;
}

/* Wiederverwendbare Darstellung der serverseitig bewerteten Beschreibung. */
.physics-semantic-task textarea {
  display: block;
  width: 100%;
  min-height: 150px;
  resize: vertical;
  border: 2px solid #cbd5e1;
  border-radius: 12px;
  padding: 14px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
  line-height: 1.55;
}

.physics-semantic-task textarea:focus {
  outline: 3px solid rgba(37, 99, 235, 0.16);
  border-color: var(--blue);
}

.physics-semantic-task textarea:disabled {
  background: #f1f5f9;
}

.physics-semantic-task__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 12px;
}

.physics-semantic-task__actions button {
  min-height: 44px;
  border: 0;
  border-radius: 9px;
  padding: 9px 16px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.physics-semantic-task__actions button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.physics-semantic-feedback {
  margin-top: 14px;
  border: 1px solid #bfdbfe;
  border-left: 5px solid var(--blue);
  border-radius: 10px;
  padding: 14px 16px;
  color: #1e3a8a;
  background: #eff6ff;
}

.physics-semantic-feedback[data-status="korrekt"] {
  border-color: #86efac;
  border-left-color: #059669;
  color: #065f46;
  background: #ecfdf5;
}

.physics-semantic-feedback[data-status="teilweise korrekt"] {
  border-color: #fcd34d;
  border-left-color: #d97706;
  color: #78350f;
  background: #fffbeb;
}

.physics-semantic-feedback[data-status="noch nicht korrekt"],
.physics-semantic-feedback.is-error {
  border-color: #fca5a5;
  border-left-color: #dc2626;
  color: #991b1b;
  background: #fef2f2;
}

.physics-semantic-feedback h3,
.physics-semantic-feedback h4,
.physics-semantic-feedback p {
  margin: 0 0 8px;
}

.physics-semantic-feedback ul {
  margin: 0 0 10px;
  padding-left: 20px;
}

@media (max-width: 620px) {
  .physics-revision-shell {
    width: min(100% - 20px, 1120px);
  }

  .vector-task .point-vector-grid svg {
    min-width: 620px;
  }

  .physics-semantic-task__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .physics-semantic-task__actions button {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .physics-info-grid,
  .physics-vector-grid-layout,
  .physics-summary-grid,
  .description-match-list {
    grid-template-columns: 1fr;
  }

  .diagram-bank {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .diagram-bank-wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .other-match-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .mini-position {
    max-width: 220px;
  }
}

@media (max-width: 430px) {
  .physics-card-heading,
  .physics-task-card,
  .physics-summary {
    padding: 16px;
    border-radius: 13px;
  }

  .physics-number-controls {
    grid-template-columns: minmax(0, 1fr) 84px;
  }

  .diagram-bank,
  .diagram-bank-wide {
    grid-template-columns: minmax(0, 1fr);
  }

  .direct-check-button {
    width: 100%;
  }
}