* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #1a1a2e;
  padding: 24px 16px;
}

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

header { text-align: center; color: #fff; margin-bottom: 24px; }
h1 { font-size: 2rem; letter-spacing: -0.5px; }
.accent { color: #ffd166; }
.subtitle { opacity: 0.9; margin-top: 6px; font-size: 0.95rem; }

.card {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Header untuk Card Hasil (berisi Judul & Tombol Download) */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  border-bottom: 1px solid #eee;
  padding-bottom: 8px;
}
.card-header h3 { margin: 0; font-size: 1.1rem; color: #333; }

.file-input {
  display: block;
  border: 2px dashed #667eea;
  border-radius: 10px;
  padding: 28px;
  text-align: center;
  cursor: pointer;
  background: #f7f8ff;
  transition: 0.2s;
}
.file-input:hover { background: #eef0ff; }
.file-input input { display: none; }
.file-input span { font-weight: 500; color: #4a4a8a; }

.info { margin-top: 12px; font-size: 0.9rem; color: #555; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 8px;
}

.grid label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d0d4e0;
  border-radius: 8px;
  background: #fff;
  font-size: 0.95rem;
  color: #1a1a2e;
}
select:focus { outline: 2px solid #667eea; border-color: transparent; }

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 6px;
}
.radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid #d0d4e0;
  border-radius: 8px;
  cursor: pointer;
  background: #fafafa;
  transition: 0.15s;
  font-size: 0.92rem;
}
.radio-group label:hover { background: #f0f3ff; border-color: #667eea; }

/* Tombol Utama (Tampilkan) */
button#renderBtn {
  margin-top: 18px;
  padding: 12px 28px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}
button#renderBtn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4); }
button#renderBtn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Tombol Download */
.btn-download {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid #d0d4e0;
  background: #f0f3ff;
  color: #4a4a8a;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}
.btn-download:hover { background: #e0e7ff; border-color: #667eea; }

.chart-container { position: relative; height: 380px; width: 100%; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
thead { background: #667eea; color: #fff; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid #eee; }
tbody tr:hover { background: #f7f8ff; }

.hidden { display: none !important; }

/* ===== Kuadran ===== */
.quadrant-legend {
  display: flex;
  gap: 18px;
  margin-top: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
}
.quadrant-legend span {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #333;
}
.quadrant-legend span::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.quadrant-legend .q1::before { background: #4caf50; }
.quadrant-legend .q2::before { background: #ff9800; }
.quadrant-legend .q3::before { background: #f44336; }
.quadrant-legend .q4::before { background: #2196f3; }

.divider-info {
  font-size: 0.85rem;
  color: #666;
  background: #f5f7ff;
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 10px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 0.9rem;
  color: #333;
  cursor: pointer;
  padding: 8px 14px;
  border: 1px solid #d0d4e0;
  border-radius: 8px;
  background: #fafafa;
  transition: 0.15s;
}
.checkbox-label:hover { background: #f0f3ff; border-color: #667eea; }
.checkbox-label input { cursor: pointer; }