:root { 
  --bg: #f6f8fb;
  --card: #ffffff;
  --muted: #667085;
  --accent: #3b82f6;
  --success: #16a34a;
  --danger: #ef4444;
  font-family: Inter, system-ui, sans-serif;
}

body {
  background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 100%);
  margin: 0;
  padding: 24px;
  color: #0f172a;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
}

p.lead {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 420px;
}

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

label {
  display: block;
  font-weight: 600;
  margin-top: 8px;
}

input[type=text], select, textarea, input[type=email], input[type=time] {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #e6eef8;
  margin-top: 6px;
}

.btn-group {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

button {
  background: var(--accent);
  color: white;
  border: 0;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.controls {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.chip {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid #e6eef8;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
}

.tutor-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.tutor {
  padding: 12px;
  border-radius: 10px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.tutor .icon {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.btn-sm {
  padding: 6px 8px;
  border-radius: 8px;
  border: 0;
  cursor: pointer;
}

.edit { background: #fde68a; }
.del { background: #fecaca; }
.save { background: #bbf7d0; }

.mat {
  background: #e0f2fe;
  border: 1px solid #bae6fd;
}

.cien {
  background: #ecfccb;
  border: 1px solid #dcfce7;
}

.idi {
  background: #fff7ed;
  border: 1px solid #ffedd5;
}

.otros {
  background: #f3e8ff;
  border: 1px solid #ede9fe;
}

.demand {
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 10px;
}

.high {
  background: #fffbeb;
  border-left: 6px solid #f59e0b;
}

.low {
  background: #fff1f2;
  border-left: 6px solid #ef4444;
}

footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}