:root {
  --bg: #f5f2ea;
  --card: #fffdfa;
  --ink: #112233;
  --muted: #5f6b78;
  --accent: #0f766e;
  --accent-soft: #ccfbf1;
  --border: #d7d2c8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top right, #e9f5f2 0%, var(--bg) 40%, #f3eee4 100%);
  min-height: 100vh;
}

.container {
  max-width: 980px;
  margin: 32px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 6px 18px rgba(17, 34, 51, 0.08);
}

h1,
h2 {
  margin: 0 0 10px;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
}

.slider-group {
  margin-bottom: 14px;
}

.slider-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.slider-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.summary {
  margin-top: 20px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #b7e4de;
  background: var(--accent-soft);
}

#totalPrice {
  font-size: 2rem;
  margin: 0;
  font-weight: 700;
}

#comboLabel {
  color: var(--muted);
}

.template-name {
  margin: 8px 0 2px;
  font-size: 0.95rem;
  color: var(--ink);
}

.matrix-meta {
  margin-top: 10px;
  padding: 12px;
  border-radius: 8px;
  border: 1px dashed var(--border);
  color: var(--muted);
  line-height: 1.5;
}