:root {
  color-scheme: light;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f5f5f7;
  color: #1d1d1f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 32px;
}

.app {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.header {
  background: #ffffff;
  padding: 24px 28px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 20px;
}

.logo {
  width: 200px;
  height: auto;
}

.kicker {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: #6b6b6b;
}

.header h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.header p {
  margin: 0;
  color: #4a4a4a;
}

.committee-display {
  font-weight: 600;
}

.panel {
  background: #ffffff;
  padding: 24px 28px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
  display: grid;
  gap: 16px;
}

.panel h2 {
  margin: 0;
}

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

.form-row label {
  font-weight: 600;
  color: #2f2f30;
}

.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

input[type="text"] {
  flex: 1;
  min-width: 220px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #d6d6db;
  font-size: 1rem;
}

select {
  flex: 1;
  min-width: 220px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #d6d6db;
  font-size: 1rem;
  background-color: #ffffff;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.speaker-card {
  border: 1px solid #e0e0e5;
  border-radius: 12px;
  padding: 16px;
  display: grid;
  gap: 12px;
  background: #f9f9fb;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

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

.speaker-card p {
  margin: 0;
  color: #5f5f63;
}

.speaker-card--active {
  background: #e2f5e8;
  border-color: #2f8f4e;
}

.button {
  padding: 6px 12px;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button-neutral {
  background: #e8ebf7;
  color: #2f2f30;
}

.button-primary {
  background: #2f6fed;
  color: #ffffff;
}

.button-ghost {
  background: transparent;
  border: 1px solid #c8cbd8;
  color: #4b4b55;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(47, 111, 237, 0.2);
}

.queue {
  padding-left: 20px;
  margin: 0;
  display: grid;
  gap: 8px;
}

.queue li {
  background: #f0f4ff;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 600;
}

.queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.queue-button {
  font-size: 0.85rem;
  padding: 4px 10px;
}

.empty-state {
  margin-top: 12px;
  color: #6b6b6b;
}

@media (max-width: 720px) {
  body {
    padding: 20px;
  }

  .header,
  .panel {
    padding: 20px;
  }

  .header {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .logo {
    margin: 0 auto;
  }
}