:root {
  color-scheme: light;
  font-family: "Inter", system-ui, sans-serif;
  background-color: #f5f7fb;
  color: #1f2933;
}

body {
  margin: 0;
  padding: 0 0 40px;
  background-color: #f5f7fb;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: #0f172a;
  color: #f8fafc;
}

.site-header h1 {
  font-size: 1.2rem;
  margin: 0;
}

.subtitle {
  margin: 4px 0 0;
  font-size: 0.85rem;
  opacity: 0.8;
}

.active-session {
  margin: 16px;
  padding: 12px 16px;
  border-radius: 12px;
  background: #ecfdf3;
  border: 1px solid #16a34a;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

main {
  padding: 16px;
  display: grid;
  gap: 16px;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.report-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: space-between;
}

.form-stack {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
}

input, select, textarea {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #cbd5f5;
  font-size: 0.95rem;
}

button, .link-button {
  padding: 12px 16px;
  border-radius: 10px;
  border: none;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

button.secondary {
  background: #e2e8f0;
  color: #1e293b;
}

button.danger {
  background: #dc2626;
}

.link-button {
  display: inline-block;
}

.link-button.secondary {
  background: #e2e8f0;
  color: #1e293b;
}

.status {
  padding: 12px;
  border-radius: 10px;
  margin-bottom: 12px;
}

.status.open {
  background: #ecfdf3;
  border: 1px solid #16a34a;
}

.status.closed {
  background: #fef9c3;
  border: 1px solid #f59e0b;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: #f8fafc;
  border-radius: 10px;
  padding: 12px;
  text-decoration: none;
  color: inherit;
}

.title {
  margin: 0;
  font-weight: 600;
}

.muted {
  margin: 4px 0 0;
  color: #6b7280;
  font-size: 0.85rem;
}

.notice {
  border-radius: 10px;
  padding: 10px 12px;
  margin: 8px 0 0;
  font-size: 0.9rem;
}

.notice.warning {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  color: #92400e;
}

.duration-summary {
  margin: 0;
  font-weight: 600;
}

.required-field {
  border-left: 3px solid #f59e0b;
  padding-left: 10px;
}

.required-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge {
  padding: 6px 10px;
  background: #e0e7ff;
  border-radius: 999px;
  font-size: 0.8rem;
}

.badge.locked {
  background: #fee2e2;
  color: #991b1b;
}

.badge-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}

.flash {
  background: #dbeafe;
  margin: 16px;
  padding: 12px;
  border-radius: 10px;
}

.button-row {
  display: grid;
  gap: 8px;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}

.step-item {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  background: #f8fafc;
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.step-title {
  font-weight: 600;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 0;
}

.pill {
  padding: 4px 10px;
  border-radius: 999px;
  background: #e2e8f0;
  font-size: 0.8rem;
}

.summary-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 12px 0;
}

.filter-row {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.inline-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.assignment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.task-info {
  display: grid;
  gap: 4px;
}

.task-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.task-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail p {
  margin: 4px 0;
}

.helper {
  margin-top: 12px;
  font-size: 0.85rem;
}

.required-field .helper {
  margin: 0;
  color: #92400e;
  font-size: 0.8rem;
}

.header-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
}

.nav-links a {
  color: #f8fafc;
  text-decoration: none;
  opacity: 0.9;
}

.nav-links a:hover {
  opacity: 1;
}

@media (min-width: 768px) {
  main {
    max-width: 900px;
    margin: 0 auto;
  }
  .header-actions {
    flex-direction: row;
    align-items: center;
    gap: 16px;
  }
  .button-row {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  .filter-row {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    align-items: end;
  }
}