:root {
  color-scheme: light;
  --bg: #f6f7f2;
  --surface: #ffffff;
  --text: #1f2a2e;
  --muted: #647174;
  --line: #dce2dd;
  --accent: #216869;
  --accent-dark: #174c4d;
  --warn: #b56b26;
  --danger: #9b2f34;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 2.2rem;
}

h2 {
  font-size: 1.2rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.summary-grid article,
.panel,
.course-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.summary-grid article {
  padding: 18px;
}

.summary-grid span {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.summary-grid p {
  margin: 4px 0 0;
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  padding: 20px;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  background: #fff;
}

input:focus,
select:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(33, 104, 105, 0.16);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
}

.primary-button {
  background: var(--accent);
  color: #fff;
}

.primary-button:hover {
  background: var(--accent-dark);
}

.secondary-button {
  border: 1px solid var(--accent);
  background: #fff;
  color: var(--accent-dark);
}

.secondary-button:hover {
  background: #e8f0ed;
}

.ghost-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 0 14px;
}

.danger-button {
  background: transparent;
  color: var(--danger);
  padding: 0 10px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 10px;
  margin-bottom: 12px;
}

.course-list {
  display: grid;
  gap: 12px;
}

.course-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
  padding: 18px;
}

.course-main,
.course-side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.course-heading {
  display: grid;
  gap: 6px;
}

.course-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  color: var(--muted);
}

.course-link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.zoom-link {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.zoom-link:hover {
  text-decoration: underline;
}

.zoom-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0 9px;
  background: #edf0f3;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.booking-block {
  display: grid;
  gap: 8px;
}

.booking-block h4 {
  margin: 0;
  font-size: 0.95rem;
}

.booking-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.booking-list li {
  display: grid;
  gap: 2px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfa;
}

.booking-list strong,
.booking-list span,
.booking-list em {
  min-width: 0;
  overflow-wrap: anywhere;
}

.booking-list span,
.booking-list em,
.booking-empty,
.booking-closed {
  color: var(--muted);
  font-size: 0.88rem;
}

.booking-list em {
  font-style: normal;
}

.booking-form {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.booking-closed {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7e9e6;
  color: var(--danger);
  font-weight: 700;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  background: #e8f0ed;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.badge[data-status="ausgebucht"] {
  background: #f7e9e6;
  color: var(--danger);
}

.badge[data-status="geplant"] {
  background: #fff2df;
  color: var(--warn);
}

.empty-state {
  padding: 28px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 820px) {
  .workspace,
  .summary-grid,
  .toolbar {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    padding: 18px 0;
  }

  .field-row,
  .course-card {
    grid-template-columns: 1fr;
  }
}