:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #60697b;
  --line: #dfe3ec;
  --primary: #3056d3;
  --primary-dark: #2444aa;
  --ok: #1d8f4e;
  --warn: #c57f00;
  --bad: #c73a2b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.container {
  width: min(1040px, calc(100% - 32px));
  margin: 24px auto 48px;
}
.header {
  background: linear-gradient(135deg, #3056d3, #4c7bff);
  color: #fff;
  padding: 24px;
  border-radius: 18px;
  margin-bottom: 20px;
}
.header h1 { margin: 0 0 8px; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(24,39,75,0.06);
}
.card h2, .card h3 { margin-top: 0; }
label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cfd6e4;
  border-radius: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  background: #fff;
  color: var(--text);
}
input[type="file"] {
  width: 100%;
  margin-bottom: 12px;
}
button, .btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
button:hover, .btn:hover { background: var(--primary-dark); }
.btn-secondary {
  background: #eef2ff;
  color: var(--primary-dark);
}
.small { font-size: 14px; color: var(--muted); }
.notice, .success, .error {
  padding: 12px 14px;
  border-radius: 12px;
  margin: 12px 0;
}
.notice { background: #eef2ff; color: #2947a3; }
.success { background: #eaf8f0; color: var(--ok); }
.error { background: #fdecea; color: var(--bad); }
.table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}
.table th, .table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  white-space: normal;
}
.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: #edf2ff;
  color: #2b4aa2;
}
.option {
  display: block;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 10px;
  background: #fff;
}
.option input { margin-right: 8px; }
.nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0 22px;
}
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #f2f4f8;
  padding: 2px 6px;
  border-radius: 8px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.stat-box {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: #fcfdff;
}
.stat-box span {
  display: block;
  font-size: 28px;
  font-weight: 800;
}
.stat-box small {
  color: var(--muted);
}
.inline-form {
  display: grid;
  gap: 8px;
  min-width: 240px;
}
.admin-review-table td { font-size: 14px; }
.admin-simple-header {
  margin-bottom: 16px;
}
.admin-simple-header-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}
.admin-simple-title {
  margin: 4px 0 8px;
}
.admin-logout-inline {
  display: block;
}
.admin-simple-nav {
  margin-bottom: 0;
  margin-top: 16px;
}
.admin-dashboard-grid {
  grid-template-columns: 1.2fr 1fr;
}
.admin-action-list {
  display: grid;
  gap: 12px;
}
.admin-action-card {
  display: grid;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fafcff;
}
.admin-action-card:hover {
  border-color: #b8c6ea;
  background: #f4f8ff;
}
.admin-checklist {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}
.event-card {
  display: grid;
  gap: 10px;
}
.event-card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.admin-entity-list {
  display: grid;
  gap: 12px;
}
.admin-entity-card {
  display: grid;
  gap: 14px;
}
.admin-entity-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  flex-wrap: wrap;
}
.admin-entity-head h3 {
  margin: 0 0 4px;
}
.admin-entity-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.admin-code-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.admin-entity-meta {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: #fcfdff;
  display: grid;
  gap: 4px;
}
.admin-entity-meta strong {
  font-size: 15px;
}
.admin-entity-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.admin-entity-actions form {
  margin: 0;
}
.admin-entity-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--line);
  background: #f5f7fb;
}
.admin-entity-status.is-active {
  background: #eef9ef;
  border-color: #b8ddbc;
  color: #1d6e3b;
}
.admin-entity-status.is-inactive {
  background: #fff3ea;
  border-color: #e7c7a1;
  color: #9b5f12;
}
.admin-entity-points {
  min-width: 110px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: #f8fbff;
  display: grid;
  gap: 2px;
  text-align: center;
}
.admin-entity-points span {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}
.admin-entity-points small {
  color: var(--muted);
}
.rich-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}
.question-content {
  margin-bottom: 16px;
}
.station-task-title {
  margin-top: 15px;
  margin-bottom: 5px;
}
.player-scanner-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.player-qr-video {
  width: 100%;
  max-height: 320px;
  border-radius: 16px;
  background: #0f172a;
  object-fit: cover;
}
.player-station-list {
  display: grid;
  gap: 12px;
}
.player-station-card {
  display: grid;
  gap: 12px;
}
.player-station-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  flex-wrap: wrap;
}
.player-station-head h3 {
  margin: 0 0 4px;
}
.player-station-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--line);
}
.player-station-status.is-opened {
  background: #eef2ff;
  border-color: #bfd0ff;
  color: #2947a3;
}
.player-station-status.is-solved {
  background: #eaf8f0;
  border-color: #b8ddbc;
  color: #1d6e3b;
}
.quiz-answer-status {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .875rem;
  border: 1px solid var(--line);
  margin-bottom: 12px;
}
.quiz-answer-status.is-submitted {
  background: #eef2ff;
  border-color: #bfd0ff;
  color: #2947a3;
}
.quiz-answer-status.is-reviewed {
  background: #eaf8f0;
  border-color: #b8ddbc;
  color: #1d6e3b;
}
.player-station-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.player-dashboard-link-card {
  display: grid;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}
.player-dashboard-link-card:hover {
  border-color: #b8c6ea;
  background: #f8fbff;
}
.player-dashboard-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}
.player-dashboard-meta {
  display: grid;
  gap: 4px;
}
.player-dashboard-button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.player-button-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.player-button-with-icon svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: currentColor;
}
.player-team-member-list {
  display: grid;
  gap: 10px;
}
.player-team-member-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: #fcfdff;
}
.player-icon-button {
  min-width: 44px;
  padding: 10px 12px;
  line-height: 1;
}
.player-dashboard-stations {
  display: grid;
  gap: 10px;
}
.player-dashboard-station-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: #fcfdff;
}
.player-dashboard-station-row h3 {
  margin: 0 0 4px;
  font-size: 16px;
}
.player-inline-video-wrap {
  margin-top: 12px;
}
.player-inline-video-wrap[hidden] {
  display: none;
}
.player-join-qr {
  display: grid;
  place-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fcfdff;
}
.player-join-qr img {
  width: min(220px, 100%);
  height: auto;
  border-radius: 12px;
  background: #fff;
}
.station-editor-grid {
  align-items: start;
}
.station-editor-main {
  min-width: 0;
}
.station-editor-side {
  position: sticky;
  top: 16px;
}
.editor-section {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 18px;
}
.editor-section:first-of-type {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}
.two-col-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.three-col-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.editor-field {
  margin-bottom: 18px;
}
.rich-editor {
  border: 1px solid #cfd6e4;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}
.editor-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px;
  border-bottom: 1px solid var(--line);
  background: #f8faff;
}
.editor-toolbar button {
  padding: 8px 12px;
  border-radius: 10px;
}
.editor-toolbar button[data-media-button] {
  background: #eef2ff;
  color: var(--primary-dark);
}
.editor-toolbar button[data-mode-toggle] {
  min-width: 72px;
}
.editor-surface {
  min-height: 140px;
  padding: 14px;
  outline: none;
  position: relative;
}
.editor-surface img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  display: inline-block;
}
.editor-surface img.editor-image-selected {
  outline: 2px solid rgba(48, 86, 211, 0.6);
  outline-offset: 2px;
}
.editor-surface a {
  color: var(--primary-dark);
}
.editor-image-overlay {
  position: absolute;
  border: 2px solid rgba(48, 86, 211, 0.7);
  border-radius: 12px;
  pointer-events: none;
  z-index: 4;
}
.editor-image-handle {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 2px solid #fff;
  background: #3056d3;
  padding: 0;
  min-width: 0;
  pointer-events: auto;
}
.editor-image-handle-nw { left: -7px; top: -7px; cursor: nwse-resize; }
.editor-image-handle-n { left: calc(50% - 6px); top: -7px; cursor: ns-resize; }
.editor-image-handle-ne { right: -7px; top: -7px; cursor: nesw-resize; }
.editor-image-handle-e { right: -7px; top: calc(50% - 6px); cursor: ew-resize; }
.editor-image-handle-se { right: -7px; bottom: -7px; cursor: nwse-resize; }
.editor-image-handle-s { left: calc(50% - 6px); bottom: -7px; cursor: ns-resize; }
.editor-image-handle-sw { left: -7px; bottom: -7px; cursor: nesw-resize; }
.editor-image-handle-w { left: -7px; top: calc(50% - 6px); cursor: ew-resize; }
.editor-code {
  min-height: 180px;
  width: 100%;
  border: 0;
  padding: 14px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
}
.editor-surface:empty::before {
  content: "Hier schreiben ...";
  color: var(--muted);
}
.question-panel {
  margin-top: 12px;
}
.station-checkbox {
  margin-top: 29px;
}
.media-upload-form {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 16px;
}
.media-library {
  display: grid;
  gap: 12px;
}
.media-library-active {
  box-shadow: 0 0 0 3px rgba(48, 86, 211, 0.18), 0 8px 24px rgba(24,39,75,0.06);
  transition: box-shadow 0.2s ease;
}
.media-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.media-card-pick {
  cursor: pointer;
  border-color: #9ab0f1;
  box-shadow: 0 0 0 3px rgba(48, 86, 211, 0.10);
}
.media-card-pick:hover {
  background: #f8faff;
}
.media-card:focus {
  outline: 2px solid #3056d3;
  outline-offset: 2px;
}
.media-thumb {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 12px;
  background: #f2f4f8;
}
.media-thumb-file {
  display: grid;
  place-items: center;
  font-weight: 800;
  color: var(--primary-dark);
}
.media-meta {
  display: grid;
  gap: 8px;
}
.media-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.quiz-review-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}
.quiz-review-card {
  display: grid;
  gap: 10px;
  padding: 14px;
}
.quiz-review-question-list {
  display: grid;
  gap: 8px;
}
.quiz-review-question-card {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f7fbff;
}
.quiz-review-question-card-correct {
  background: #eef9ef;
  border-color: #b8ddbc;
}
.quiz-review-question-card-wrong {
  background: #fff0f0;
  border-color: #e8b8b8;
}
.quiz-review-head {
  display: grid;
  gap: 2px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.quiz-review-title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.15;
}
.quiz-review-subtitle {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.15;
}
.quiz-review-block {
  display: grid;
  gap: 4px;
}
.quiz-review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.quiz-review-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  background: #fcfdff;
}
.quiz-review-answer {
  font-size: 14px;
  font-weight: 700;
  word-break: break-word;
  line-height: 1.25;
}
.quiz-review-form {
  display: grid;
  gap: 8px;
}
.quiz-review-points {
  align-items: end;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr) auto;
}
.quiz-review-topnav {
  gap: 8px;
}
.quiz-review-filterform {
  margin-top: 10px;
}
.quiz-review-action {
  display: flex;
  align-items: end;
}
.quiz-review-action button {
  width: auto;
  white-space: nowrap;
  padding: 10px 14px;
}
.quiz-review-secondary-action {
  display: flex;
  justify-content: flex-start;
}
.quiz-review-block .rich-content p,
.quiz-review-block .rich-content ul,
.quiz-review-block .rich-content ol {
  margin: 0 0 6px;
}
.quiz-review-block .rich-content > *:last-child {
  margin-bottom: 0;
}
.station-qr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.station-qr-box {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: #fcfdff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.live-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: #d0f0e0;
  color: #1d6e3b;
  vertical-align: middle;
  transition: background 0.4s;
}
.live-badge-pulse {
  background: #6fdc9f;
}
.admin-user-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-username-display {
  font-weight: 600;
}
.admin-user-row-inactive td {
  opacity: 0.55;
}
.admin-pw-form input {
  margin-bottom: 8px;
}
@media (max-width: 900px) {
  .admin-simple-header-row {
    flex-direction: column;
    align-items: stretch;
  }
  .admin-dashboard-grid {
    grid-template-columns: 1fr;
  }
  .admin-entity-meta-grid,
  .admin-code-grid {
    grid-template-columns: 1fr;
  }
  .station-editor-side {
    position: static;
  }
  .two-col-grid, .three-col-grid, .quiz-review-grid, .quiz-review-points {
    grid-template-columns: 1fr;
  }
  .quiz-review-action button {
    width: 100%;
  }
  .quiz-review-secondary-action button {
    width: 100%;
  }
}