.splits-container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 24px;
}

.splits-container h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 32px;
}

.editor-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-header h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted2);
}

.profile-list, .seg-list {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.profile-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  margin-bottom: 8px;
  background: var(--bg);
}

.profile-item.active {
  border-color: var(--accent);
}

.profile-item input[type="text"] {
  flex: 1;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--accent);
  font-size: 13px;
}

.profile-item input[type="text"]:focus {
  border-color: var(--accent);
  outline: none;
}

.seg-item {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.seg-item input {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--accent);
  font-size: 13px;
}

.seg-item .seg-name {
  flex: 1;
}

.seg-item .seg-pb {
  width: 100px;
  text-align: right;
  font-family: monospace;
}

.keys-hint {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.keys-hint h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted2);
  margin-bottom: 12px;
}

.keys-hint p {
  font-size: 14px;
  color: var(--muted);
}

.keys-hint kbd {
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

@media (max-width: 768px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}