:root {
  color-scheme: light;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background: #f5f7fb;
  color: #1f2937;
}

header,
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

h1,
h2,
h3 {
  margin-top: 0;
}

.panel {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

input,
textarea,
button {
  font: inherit;
}

input[type="text"],
input[type="url"],
select,
textarea {
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 0.55rem;
  width: 100%;
  box-sizing: border-box;
}

button {
  background: #2563eb;
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
}

.sessions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.9rem;
}

.session-card {
  background: #fff;
  border: 1px solid #dbe3ef;
  border-radius: 10px;
  padding: 0.9rem;
}

.session-head {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: flex-start;
}

.session-type {
  background: #dbeafe;
  color: #1e40af;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.8rem;
  white-space: nowrap;
}

.session-speaker {
  font-weight: 600;
  margin: 0.4rem 0;
}

.session-meta {
  margin: 0.35rem 0;
  color: #475569;
  font-size: 0.92rem;
}

.session-description {
  min-height: 2.6rem;
}

.controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.55rem;
}

.team-controls {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 0.55rem;
  margin-bottom: 0.65rem;
}

.team-controls-title {
  margin: 0 0 0.4rem;
  font-weight: 700;
}

.team-controls-empty {
  margin: 0;
  color: #64748b;
  font-size: 0.9rem;
}

.team-member-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto auto;
  gap: 0.55rem;
  align-items: center;
  margin-bottom: 0.35rem;
}

.team-member-name {
  font-weight: 600;
}

.team-member-row label {
  margin: 0;
  white-space: nowrap;
}

label {
  display: block;
  margin-bottom: 0.45rem;
}

#status {
  min-height: 1.2rem;
  margin-bottom: 0;
}

.settings-panel summary {
  cursor: pointer;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.settings-content {
  display: grid;
  gap: 1rem;
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.schedule {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.9rem;
}

.schedule-day {
  background: #fff;
  border: 1px solid #dbe3ef;
  border-radius: 10px;
  padding: 0.8rem;
}

.schedule-item {
  border: 1px solid #cbd5e1;
  border-left: 4px solid #2563eb;
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  margin-bottom: 0.5rem;
  background: #f8fbff;
}

.schedule-item p {
  margin: 0.3rem 0 0;
  color: #334155;
}