body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #1f2933;
}

.container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  padding: 20px;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.video-card {
  align-self: start;
  max-height: calc(100vh - 40px);
  position: sticky;
  top: 20px;
}

.annotation-card {
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.axis-row {
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
  padding-bottom: 16px;
}

.axis-heading {
  margin-bottom: 10px;
}

.axis-heading h3 {
  margin: 0 0 4px;
}

.axis-heading p,
.axis-summary {
  color: #52606d;
  line-height: 1.45;
  margin: 0 0 8px;
}

.axis-items {
  display: grid;
  gap: 12px;
}

.axis-item {
  border: 1px solid #e3e8ef;
  border-radius: 8px;
  padding: 12px;
}

.axis-item-header h4 {
  margin: 0 0 4px;
}

.axis-item-header p {
  color: #52606d;
  line-height: 1.45;
  margin: 0 0 10px;
}

.axis-details {
  margin: 0 0 8px;
  padding-left: 18px;
  color: #52606d;
}

.axis-details li {
  line-height: 1.45;
  margin-bottom: 4px;
}

.label-area {
  display: grid;
  gap: 6px;
}

.label-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.label-buttons button {
  margin-right: 0;
}

.count-field {
  display: grid;
  gap: 6px;
  font-weight: 700;
  max-width: 160px;
}

.count-field input {
  font-weight: 400;
}

.target-events {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.annotator-display {
  background: #f0f4f8;
  border: 1px solid #d9e2ec;
  border-radius: 8px;
  color: #334e68;
  font-weight: 700;
  margin: 8px 0 4px;
  padding: 8px 12px;
}

.example-controls {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 12px;
}

.example-done {
  align-items: center;
  display: flex;
  font-weight: 400;
  gap: 8px;
}

.example-player {
  max-width: 480px;
}

textarea {
  width: 100%;
  min-height: 60px;
  margin-top: 10px;
  padding: 10px;
  box-sizing: border-box;
}

button {
  padding: 8px 14px;
  margin-right: 10px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
}

.controls {
  margin-top: 16px;
}

.tag {
  background: #e9eefc;
  padding: 6px 10px;
  border-radius: 999px;
  display: inline-block;
  margin-right: 8px;
  margin-bottom: 8px;
}

.metadata-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.metadata-row span {
  background: #f0f4f8;
  border: 1px solid #d9e2ec;
  border-radius: 999px;
  color: #334e68;
  font-size: 13px;
  padding: 5px 9px;
}

.save-btn {
  background: black;
  color: white;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

input {
  border: 1px solid #c8d0d8;
  border-radius: 8px;
  font: inherit;
  padding: 9px 10px;
}

.instructions-page {
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 32px 20px;
  box-sizing: border-box;
}

.instructions-panel {
  width: min(980px, 100%);
  background: white;
  border: 1px solid #e3e8ef;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
  padding: 28px;
}

.instructions-header {
  border-bottom: 1px solid #e3e8ef;
  padding-bottom: 20px;
}

.instructions-header h1 {
  margin: 0 0 10px;
  font-size: 32px;
  line-height: 1.15;
}

.instructions-header p {
  max-width: 780px;
  margin: 0;
  color: #52606d;
  line-height: 1.55;
}

.eyebrow {
  color: #2550a2 !important;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 8px !important;
  text-transform: uppercase;
}

.instructions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px;
  padding: 22px 0;
}

.instructions-grid section {
  border-bottom: 1px solid #eef2f6;
  padding-bottom: 8px;
}

.instructions-grid h2 {
  font-size: 18px;
  margin: 0 0 10px;
}

.instructions-grid ul {
  margin: 0;
  padding-left: 20px;
}

.instructions-grid li {
  line-height: 1.45;
  margin-bottom: 8px;
}

.rationale-examples {
  color: #52606d;
  font-style: italic;
  line-height: 1.45;
  margin: 6px 0 0;
}

.start-panel {
  display: grid;
  gap: 14px;
  border-top: 1px solid #e3e8ef;
  padding-top: 20px;
}

.name-field,
.inline-field {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.name-field {
  max-width: 360px;
}

.inline-field {
  margin-top: 8px;
}

.confirmation-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.4;
}

.confirmation-row input {
  margin-top: 2px;
}

.start-btn {
  justify-self: start;
  margin-right: 0;
}

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

  .video-card,
  .annotation-card {
    max-height: none;
    overflow: visible;
    position: static;
  }

  .instructions-panel {
    padding: 20px;
  }

  .instructions-header h1 {
    font-size: 26px;
  }
}